Analysis

  • max time kernel
    149s
  • max time network
    159s
  • 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, 19:17

General

  • Target
    bf51efbef9813712f82853e75ceeb111310155505c00e8ba03eb5250e1ef2e73_JC.vbs
  • Size 1012KB
  • Sample231012-xzdekace45
  • SHA256 bf51efbef9813712f82853e75ceeb111310155505c00e8ba03eb5250e1ef2e73
  • 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 4 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\bf51efbef9813712f82853e75ceeb111310155505c00e8ba03eb5250e1ef2e73_JC.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" C://windows/Temp/0354-1.dll
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1800
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C rundll32.exe C:\Users\Admin\AppData\Roaming\{AF6C5A4F-2CE5-A3BA-18E4-A1FCCA3057D7}\Admin\ocdeacdt2.dll,#1
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:64
        • C:\Windows\system32\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Roaming\{AF6C5A4F-2CE5-A3BA-18E4-A1FCCA3057D7}\Admin\ocdeacdt2.dll,#1
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Modifies registry class
          PID:4416

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        77EC63BDA74BD0D0E0426DC8F8008506

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506
        • Size 330B
        • SHA256 7ba7006a20c96d42ead35367e0e86ef81e3253bbe1a731397f5c709caf7f173b
        • MD5 SHA1 SHA512

        ocdeacdt2.dll

        • Path C:\Users\Admin\AppData\Roaming\{AF6C5A4F-2CE5-A3BA-18E4-A1FCCA3057D7}\Admin\ocdeacdt2.dll
        • Size 556KB
        • SHA256 b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1
        • MD5 SHA1 SHA512 SSDEEP

        ocdeacdt2.dll

        • Path C:\Users\Admin\AppData\Roaming\{AF6C5A4F-2CE5-A3BA-18E4-A1FCCA3057D7}\Admin\ocdeacdt2.dll
        • Size 556KB
        • SHA256 b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1
        • MD5 SHA1 SHA512 SSDEEP

        0354-1.dll

        • Path C:\Windows\Temp\0354-1.dll
        • Size 328KB
        • SHA256 9c70275c26343821ff727ef6417b876514c990a9959b381dcf7cb4d1bc12d5c1
        • MD5 SHA1 SHA512 SSDEEP

        0354-1.dll

        • Path C:\windows\Temp\0354-1.dll
        • Size 328KB
        • SHA256 9c70275c26343821ff727ef6417b876514c990a9959b381dcf7cb4d1bc12d5c1
        • MD5 SHA1 SHA512 SSDEEP

        memory/1800-4-0x0000000002020000-0x000000000202D000-memory.dmp

        memory/1800-8-0x0000000002020000-0x000000000202D000-memory.dmp

        memory/4416-12-0x000001FBC6A50000-0x000001FBC6A9F000-memory.dmp

        memory/4416-18-0x000001FBC6AF0000-0x000001FBC6B3C000-memory.dmp

        memory/4416-19-0x000001FBC6AF0000-0x000001FBC6B3C000-memory.dmp

        memory/4416-20-0x000001FBC6A50000-0x000001FBC6A9F000-memory.dmp

        memory/4416-13-0x000001FBC6AF0000-0x000001FBC6B3C000-memory.dmp

        memory/4416-25-0x000001FBC6AF0000-0x000001FBC6B3C000-memory.dmp

        memory/4416-26-0x000001FBC6AF0000-0x000001FBC6B3C000-memory.dmp

        memory/4416-28-0x000001FBC6AF0000-0x000001FBC6B3C000-memory.dmp