Analysis

  • max time kernel
    93s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/06/2024, 15:57

General

  • Target

    b45867b074238ec116c490c00be7adec_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    b45867b074238ec116c490c00be7adec

  • SHA1

    3921abb0b126a2d720238583ac7b30fc55e7306e

  • SHA256

    118b8bbc6d1dd35cc2f42ec76dd6e546debce2491eb223be093d4ee1f67ecc4a

  • SHA512

    4a1a0dd6abb134ae6f60a5714ed0098e16bec88bc30881c56e383207dbf23724ae85ad137e1414302fe25f0f8143f83409d76700483600ead0367a346c91b5a9

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4Q:0+h9OY70z+warul3E4Q

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b45867b074238ec116c490c00be7adec_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b45867b074238ec116c490c00be7adec_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Users\Admin\AppData\Local\Temp\n8162\s8162.exe
      "C:\Users\Admin\AppData\Local\Temp\n8162\s8162.exe" b9b0e196b16f5bb9d51c8c7fR1WEClDZFaClNnfVHMbXMtJnoSMeteF1APw2BKM0MpHXo5zAKWIZVTAQHrdq8GMax38sLr5AobXgyAINqeBCXhNWh7FjdLwqLtnVao5+a+IdzRI4a/H6RE9QXb3OWYZB6p2cwHx2a5LaSf2hL+dxqj8B /v "C:\Users\Admin\AppData\Local\Temp\b45867b074238ec116c490c00be7adec_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n8162\s8162.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/3380-12-0x00007FFD9CD85000-0x00007FFD9CD86000-memory.dmp

    Filesize

    4KB

  • memory/3380-13-0x00007FFD9CAD0000-0x00007FFD9D471000-memory.dmp

    Filesize

    9.6MB

  • memory/3380-27-0x0000000001290000-0x00000000012A2000-memory.dmp

    Filesize

    72KB

  • memory/3380-30-0x000000001C590000-0x000000001CA5E000-memory.dmp

    Filesize

    4.8MB

  • memory/3380-31-0x000000001CB00000-0x000000001CB9C000-memory.dmp

    Filesize

    624KB

  • memory/3380-32-0x000000001CCB0000-0x000000001CD12000-memory.dmp

    Filesize

    392KB

  • memory/3380-33-0x00007FFD9CAD0000-0x00007FFD9D471000-memory.dmp

    Filesize

    9.6MB

  • memory/3380-34-0x000000001BC10000-0x000000001BC18000-memory.dmp

    Filesize

    32KB

  • memory/3380-35-0x00007FFD9CAD0000-0x00007FFD9D471000-memory.dmp

    Filesize

    9.6MB

  • memory/3380-36-0x00007FFD9CAD0000-0x00007FFD9D471000-memory.dmp

    Filesize

    9.6MB

  • memory/3380-37-0x00007FFD9CAD0000-0x00007FFD9D471000-memory.dmp

    Filesize

    9.6MB

  • memory/3380-38-0x0000000020900000-0x0000000020E0E000-memory.dmp

    Filesize

    5.1MB

  • memory/3380-39-0x000000001E840000-0x000000001E97C000-memory.dmp

    Filesize

    1.2MB

  • memory/3380-41-0x00007FFD9CAD0000-0x00007FFD9D471000-memory.dmp

    Filesize

    9.6MB