Analysis

  • max time kernel
    141s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    03-04-2024 18:08

General

  • Target

    a2f6a3f4dcaf6394f35ec01d02ae368f_JaffaCakes118.exe

  • Size

    367KB

  • MD5

    a2f6a3f4dcaf6394f35ec01d02ae368f

  • SHA1

    4940d00601d3cd79499e332fe0d9623499b89757

  • SHA256

    b04c992fb893695fad2aa827754bd6cae34eb3e70a2fd00e4f2e884e73352026

  • SHA512

    800ea246af981b636cdd065a5fc124f77a6fd2c9ddb74679ce834c2afe0f57608fbe58c9b82a42745d5df0f42ef5a6ac7e3a3bc253a1a6f316591fe07d4a8e0f

  • SSDEEP

    6144:b8LxBBXsPUCr5/TRIoM9gWkwtr5BBj14Qr+dhqJFdrUs518wMXOgWTo6K6PAX/y0:ysMyTY9gQO7gvdrUsh2WzoyNosXmt/F

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\a2f6a3f4dcaf6394f35ec01d02ae368f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a2f6a3f4dcaf6394f35ec01d02ae368f_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2616
    • C:\Users\Admin\AppData\Local\Temp\a2f6a3f4dcaf6394f35ec01d02ae368f_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\a2f6a3f4dcaf6394f35ec01d02ae368f_JaffaCakes118.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2644
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 552
        3⤵
          PID:3048

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\nso8B9.tmp\gstrsy.dll

      Filesize

      20KB

      MD5

      56168ae8fc145b349d57533a6575a072

      SHA1

      1e21b1fa3bf64bea8e34ef780730dd63d281c43b

      SHA256

      22e58e7c50d06d59c142110e71515df2f901d5d8361ce065b05aa65e774bbea6

      SHA512

      d1a6bd6af071b79f440c90447ee3817a86d6e17a284e842ba9f804850ae3d46eb4395fc3bcd86a40c7a03c2be2a11a88d0b0b4a36f3748d74a61424539f220cd

    • memory/2616-7-0x0000000010000000-0x0000000010009000-memory.dmp

      Filesize

      36KB

    • memory/2644-9-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/2644-11-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/2644-12-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/2644-13-0x0000000074530000-0x0000000074ADB000-memory.dmp

      Filesize

      5.7MB

    • memory/2644-14-0x0000000001F90000-0x0000000001FD0000-memory.dmp

      Filesize

      256KB

    • memory/2644-15-0x0000000074530000-0x0000000074ADB000-memory.dmp

      Filesize

      5.7MB

    • memory/2644-16-0x0000000001F90000-0x0000000001FD0000-memory.dmp

      Filesize

      256KB

    • memory/2644-17-0x0000000001F90000-0x0000000001FD0000-memory.dmp

      Filesize

      256KB

    • memory/2644-22-0x0000000074530000-0x0000000074ADB000-memory.dmp

      Filesize

      5.7MB

    • memory/3048-18-0x00000000024A0000-0x00000000024A1000-memory.dmp

      Filesize

      4KB