Analysis

  • max time kernel
    141s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    31-03-2024 10:30

General

  • Target

    543a9db368c33915bcf44b7aa00013cf_JaffaCakes118.exe

  • Size

    711KB

  • MD5

    543a9db368c33915bcf44b7aa00013cf

  • SHA1

    99ef6b338b105e698f8cf0ef12a2d37f331e39d0

  • SHA256

    57c6ce03a179c46ceb169eae0d76ee19fe224b36db65139cf5eefa94c35e5ba3

  • SHA512

    0663b0054b284049efacdad8650c9d1be94e583e9493bcc73a09897457396249fcfc50a7a73adb1349eeeea550ca97513b51bc98eb9f18e3be1fde4c1ac71d82

  • SSDEEP

    12288:jJ1FGs+9KgR7BnkPnoGAi8mOZY/a+bm8qrIYKQeuls9:lH+9DR7BkvoPnMa+baUYKQeKU

Malware Config

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\543a9db368c33915bcf44b7aa00013cf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\543a9db368c33915bcf44b7aa00013cf_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Users\Admin\AppData\Local\Temp\543a9db368c33915bcf44b7aa00013cf_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\543a9db368c33915bcf44b7aa00013cf_JaffaCakes118.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1296
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 552
        3⤵
          PID:2712

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nst230C.tmp\ukczapxqnn.dll

      Filesize

      106KB

      MD5

      5a0549e4b724e46317ac8d0ff1f0aefe

      SHA1

      0d05ea79d334c8c44c8375367442325072532473

      SHA256

      0def082d0bbe804cfa3f70e3bc79cf1d97507506481f41f0f1761fb9a90e7ac1

      SHA512

      10ab45a6c0e71e3544176c2165fa4189825720434ee21924ea86d077eb929e07e38ddb2506e2d4006a4c1c88cf21dca31b80f8a1ca6793a748a7b420f7784e50

    • memory/1296-16-0x0000000000740000-0x0000000000780000-memory.dmp

      Filesize

      256KB

    • memory/1296-17-0x00000000741A0000-0x000000007474B000-memory.dmp

      Filesize

      5.7MB

    • memory/1296-11-0x0000000000400000-0x000000000048B000-memory.dmp

      Filesize

      556KB

    • memory/1296-12-0x00000000741A0000-0x000000007474B000-memory.dmp

      Filesize

      5.7MB

    • memory/1296-13-0x0000000000740000-0x0000000000780000-memory.dmp

      Filesize

      256KB

    • memory/1296-14-0x0000000000740000-0x0000000000780000-memory.dmp

      Filesize

      256KB

    • memory/1296-10-0x0000000000400000-0x000000000048B000-memory.dmp

      Filesize

      556KB

    • memory/1296-8-0x0000000000400000-0x000000000048B000-memory.dmp

      Filesize

      556KB

    • memory/1296-15-0x0000000000740000-0x0000000000780000-memory.dmp

      Filesize

      256KB

    • memory/1296-24-0x0000000000740000-0x0000000000780000-memory.dmp

      Filesize

      256KB

    • memory/1296-20-0x00000000741A0000-0x000000007474B000-memory.dmp

      Filesize

      5.7MB

    • memory/1296-21-0x0000000000740000-0x0000000000780000-memory.dmp

      Filesize

      256KB

    • memory/1296-22-0x0000000000740000-0x0000000000780000-memory.dmp

      Filesize

      256KB

    • memory/1296-23-0x0000000000740000-0x0000000000780000-memory.dmp

      Filesize

      256KB

    • memory/2712-18-0x00000000024A0000-0x00000000024A1000-memory.dmp

      Filesize

      4KB