Analysis

  • max time kernel
    92s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-05-2024 03:21

General

  • Target

    77bfb519ef0c47a9e6db5301235117f9_JaffaCakes118.exe

  • Size

    530KB

  • MD5

    77bfb519ef0c47a9e6db5301235117f9

  • SHA1

    57cb71cc8b95a12d4d723307c09ab7bf9955ceee

  • SHA256

    066692cca667e47477e334717126c9c31c651ae87c2479e5fdced1caa89bbdfd

  • SHA512

    ac29a0998460f10aaf1ec138ba199597e2e9d91ac2bba93493a3c38ec3a2290337a7c303ba07f3a59f8be47d9a1c9791bcfaebfb7e23ad723043cac3aaf0f0bf

  • SSDEEP

    12288:Tu66hu4yCxJD6TVVvSbpbh4dCoeusTiC3KZUl7NiJwjAdr:T8u4yCEpHdGus+C3KulYwjA5

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
  • 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 8 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\77bfb519ef0c47a9e6db5301235117f9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\77bfb519ef0c47a9e6db5301235117f9_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:3416
    • C:\Users\Admin\AppData\Local\Temp\n4361\s4361.exe
      "C:\Users\Admin\AppData\Local\Temp\n4361\s4361.exe" 8c725f0cd6d9193e3fc595c4OMnQL+V3/Ufvux8Mv/Og8/5VGSj8yxtWIaMx8rTf9nVPpgNX/ddviYnyIskIosLRAYGdezl19VD47qOrCW49lbR2UhHz51jziM7AhZwZuYS0A8ui+mjr6usLL+ZWRNhVi/wKFNrbMXTMxN/kIr0BySI= /v "C:\Users\Admin\AppData\Local\Temp\77bfb519ef0c47a9e6db5301235117f9_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:5048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n4361\s4361.exe

    Filesize

    219KB

    MD5

    94a69394c365d4216dc0a267d585d13f

    SHA1

    f832d782b12836fe6ad436dfac3d97f91b1c5ebc

    SHA256

    8dafaae263c44624342156f43df4bbe158702ac7bc750c4089838f45f75829a5

    SHA512

    5daafac615d6a3b269717459524c70634976f310ca6c2d1f7f16040fa9948b7abec7f781330b9794c1f888eea4f609c4a50ec8f0987feddca2865796d2ea6ca2

  • memory/5048-12-0x00007FFA58EE5000-0x00007FFA58EE6000-memory.dmp

    Filesize

    4KB

  • memory/5048-13-0x00007FFA58C30000-0x00007FFA595D1000-memory.dmp

    Filesize

    9.6MB

  • memory/5048-29-0x000000001BF00000-0x000000001C3CE000-memory.dmp

    Filesize

    4.8MB

  • memory/5048-30-0x000000001C470000-0x000000001C50C000-memory.dmp

    Filesize

    624KB

  • memory/5048-31-0x000000001C670000-0x000000001C6D2000-memory.dmp

    Filesize

    392KB

  • memory/5048-32-0x00007FFA58C30000-0x00007FFA595D1000-memory.dmp

    Filesize

    9.6MB

  • memory/5048-33-0x00007FFA58C30000-0x00007FFA595D1000-memory.dmp

    Filesize

    9.6MB

  • memory/5048-34-0x000000001C510000-0x000000001C518000-memory.dmp

    Filesize

    32KB

  • memory/5048-35-0x00007FFA58EE5000-0x00007FFA58EE6000-memory.dmp

    Filesize

    4KB

  • memory/5048-36-0x00007FFA58C30000-0x00007FFA595D1000-memory.dmp

    Filesize

    9.6MB

  • memory/5048-37-0x00007FFA58C30000-0x00007FFA595D1000-memory.dmp

    Filesize

    9.6MB

  • memory/5048-38-0x00007FFA58C30000-0x00007FFA595D1000-memory.dmp

    Filesize

    9.6MB

  • memory/5048-39-0x00007FFA58C30000-0x00007FFA595D1000-memory.dmp

    Filesize

    9.6MB

  • memory/5048-40-0x00007FFA58C30000-0x00007FFA595D1000-memory.dmp

    Filesize

    9.6MB

  • memory/5048-41-0x0000000020170000-0x000000002067E000-memory.dmp

    Filesize

    5.1MB

  • memory/5048-42-0x00000000208C0000-0x00000000209FC000-memory.dmp

    Filesize

    1.2MB

  • memory/5048-44-0x00007FFA58C30000-0x00007FFA595D1000-memory.dmp

    Filesize

    9.6MB