Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-08-2024 09:14

General

  • Target

    c06a562e4b83e5a2a0bd4218bbd1f156_JaffaCakes118.exe

  • Size

    100KB

  • MD5

    c06a562e4b83e5a2a0bd4218bbd1f156

  • SHA1

    44f146e50d22fdae01f19323399805c7fcc1b2bc

  • SHA256

    56a431e91f21de9fa7dbb8dce8825cf7fb66738cea7982937c4ddbd424161d4e

  • SHA512

    3feb062af43f1af6a5eeb2d0fa712782d43a479aa3b88c5273d10678b9d6857dc495029c2d2f69ccde52ab702f47eae264fd9938fe77b1dfb7fe270ac3807eb2

  • SSDEEP

    1536:RTFu/otVANzYXAyPSr8UAu+EOznX2SGhI6HLTNnx6sCTiLnSOTEDVgu:RTs/otVA6XJarrOpx69nx6ZTM3Ej

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c06a562e4b83e5a2a0bd4218bbd1f156_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c06a562e4b83e5a2a0bd4218bbd1f156_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:392
    • C:\Windows\tt.exe
      "C:\Windows\tt.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:224
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 312
        3⤵
        • Program crash
        PID:2576
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 224 -ip 224
    1⤵
      PID:4636

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\tt.exe

      Filesize

      87KB

      MD5

      af52504127540aa2e816ded2fae1f38f

      SHA1

      8a9972f9e313a325702717598eb5fe7219a42cf9

      SHA256

      cfb7db1ef027ab0f648ad658fa365017ad79a3940e7d1ff43c95fbe3cdde7b36

      SHA512

      cb4ea91d43aa9e6461dfc0b0abde1dd70ed47df8076e6434642c584b2293abe7a9aadd7fbd6318acd23be4ac1aa55e171fc8791e63d7f766e06f5cedc9de99c7

    • memory/224-9-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/224-11-0x0000000000510000-0x0000000000590000-memory.dmp

      Filesize

      512KB

    • memory/224-14-0x0000000000510000-0x0000000000590000-memory.dmp

      Filesize

      512KB

    • memory/224-13-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/392-0-0x0000000000400000-0x000000000041B200-memory.dmp

      Filesize

      108KB

    • memory/392-15-0x0000000000400000-0x000000000041B200-memory.dmp

      Filesize

      108KB