Analysis

  • max time kernel
    131s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 15:41

General

  • Target
    5bab2bc0843f9d5124b39f80e12ad6d1f02416b0340d7cfec8cf7b14cd4385bf_JC.vbs
  • Size 1012KB
  • Sample231012-s48daahc6v
  • SHA256 5bab2bc0843f9d5124b39f80e12ad6d1f02416b0340d7cfec8cf7b14cd4385bf
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • icedid

Campaign
  • 361893872

Signatures

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • Blocklisted process makes network request 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\5bab2bc0843f9d5124b39f80e12ad6d1f02416b0340d7cfec8cf7b14cd4385bf_JC.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2604
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" C://windows/Temp/0370-1.dll
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3992
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C rundll32.exe C:\Users\Admin\AppData\Roaming\{CFDD64AA-57CC-7A94-1CE4-2A6300131F4F}\Admin\edotumacii3.dll,#1
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2192
        • C:\Windows\system32\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Roaming\{CFDD64AA-57CC-7A94-1CE4-2A6300131F4F}\Admin\edotumacii3.dll,#1
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Modifies registry class
          PID:3924

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        edotumacii3.dll

        • Path C:\Users\Admin\AppData\Roaming\{CFDD64AA-57CC-7A94-1CE4-2A6300131F4F}\Admin\edotumacii3.dll
        • Size 583KB
        • SHA256 5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1
        • MD5 SHA1 SHA512 SSDEEP

        edotumacii3.dll

        • Path C:\Users\Admin\AppData\Roaming\{CFDD64AA-57CC-7A94-1CE4-2A6300131F4F}\Admin\edotumacii3.dll
        • Size 583KB
        • SHA256 5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1
        • MD5 SHA1 SHA512 SSDEEP

        0370-1.dll

        • Path C:\Windows\Temp\0370-1.dll
        • Size 328KB
        • SHA256 fab34d1f0f906f64f95b9f244ae1fe090427e606a9c808c720e18e93a08ed84d
        • MD5 SHA1 SHA512 SSDEEP

        0370-1.dll

        • Path C:\windows\Temp\0370-1.dll
        • Size 328KB
        • SHA256 fab34d1f0f906f64f95b9f244ae1fe090427e606a9c808c720e18e93a08ed84d
        • MD5 SHA1 SHA512 SSDEEP

        memory/3924-19-0x0000012EAD260000-0x0000012EAD2AC000-memory.dmp

        memory/3924-12-0x0000012EAB8C0000-0x0000012EAB90F000-memory.dmp

        memory/3924-13-0x0000012EAD260000-0x0000012EAD2AC000-memory.dmp

        memory/3924-18-0x0000012EAD260000-0x0000012EAD2AC000-memory.dmp

        memory/3924-20-0x0000012EAB8C0000-0x0000012EAB90F000-memory.dmp

        memory/3924-22-0x0000012EAD260000-0x0000012EAD2AC000-memory.dmp

        memory/3924-23-0x0000012EAD260000-0x0000012EAD2AC000-memory.dmp

        memory/3924-25-0x0000012EAD260000-0x0000012EAD2AC000-memory.dmp

        memory/3992-8-0x00000000008F0000-0x00000000008FD000-memory.dmp

        memory/3992-4-0x00000000008F0000-0x00000000008FD000-memory.dmp