Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/02/2024, 01:21

General

  • Target
    23107ced99838695bf4391c1271bafce47fad96e95b28f52df0a060038f80a7b.js
  • Size 1.4MB
  • Sample240202-bqtvascham
  • SHA256 23107ced99838695bf4391c1271bafce47fad96e95b28f52df0a060038f80a7b
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Strela

    An info stealer targeting mail credentials first seen in late 2022.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\23107ced99838695bf4391c1271bafce47fad96e95b28f52df0a060038f80a7b.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /k copy "C:\Users\Admin\AppData\Local\Temp\23107ced99838695bf4391c1271bafce47fad96e95b28f52df0a060038f80a7b.js" "C:\Users\Admin\\pleasantobject.bat" && "C:\Users\Admin\\pleasantobject.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4888
      • C:\Windows\system32\findstr.exe
        findstr /V militarysnore ""C:\Users\Admin\\pleasantobject.bat""
        3⤵
          PID:4944
        • C:\Windows\system32\certutil.exe
          certutil -f -decode shakyinconclusive gatewoman.dll
          3⤵
            PID:2596
          • C:\Windows\system32\rundll32.exe
            rundll32 gatewoman.dll,main
            3⤵
            • Loads dropped DLL
            PID:4716

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            gatewoman.dll

            • Path C:\Users\Admin\gatewoman.dll
            • Size 1.0MB
            • SHA256 ae1388f95f2678b7b6aabaf430b646710cdea10850c2556fbfcc0fb068e6fe4e
            • MD5 SHA1 SHA512 SSDEEP

            pleasantobject.bat

            • Path C:\Users\Admin\pleasantobject.bat
            • Size 1.4MB
            • SHA256 23107ced99838695bf4391c1271bafce47fad96e95b28f52df0a060038f80a7b
            • MD5 SHA1 SHA512 SSDEEP

            shakyinconclusive

            • Path C:\Users\Admin\shakyinconclusive
            • Size 1.4MB
            • SHA256 25abcd9fb9ee09402dbc40b58466283739f223932fef07239f11548af088e9b4
            • MD5 SHA1 SHA512 SSDEEP

            memory/4716-1415-0x00007FFA32080000-0x00007FFA3218E000-memory.dmp

            memory/4716-1416-0x0000021761160000-0x0000021761183000-memory.dmp