Analysis

  • max time kernel
    99s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    26-08-2024 00:21

General

  • Target

    c1e63560dc0c632686e1c2f6fb40775a_JaffaCakes118.exe

  • Size

    1.7MB

  • MD5

    c1e63560dc0c632686e1c2f6fb40775a

  • SHA1

    08eda0406a0383005ff7a60966e032afebe0d2ab

  • SHA256

    374f94bc94a6eebc3f8784085f361a30a8caba2c2c60c84572cea8933c3f6e49

  • SHA512

    f5d35dfab8fc78584187b21c63887530f57ff9025fce65059a4a004d3c1b490bbfb20fb39c3b23a7bcd70113ff90e5616c4c20bd349d686ec82f2ba74868f311

  • SSDEEP

    24576:LUvxLsmtUuoX5382om3Cg/iDfPc/7tNETop2FmYaS0LtVOmvjkiSs9OfccyM4NQf:oJ7WuW5XgTK7th2jaSYtgySWNI4gF

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c1e63560dc0c632686e1c2f6fb40775a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c1e63560dc0c632686e1c2f6fb40775a_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Users\Admin\AppData\Local\Temp\ wrar393.exe
      "C:\Users\Admin\AppData\Local\Temp\ wrar393.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2044
    • C:\Users\Admin\AppData\Local\Temp\ setup.exe
      "C:\Users\Admin\AppData\Local\Temp\ setup.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:688
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c at 00:22 C:\Windows\system32\cmd.exe /c del /F /Q "C:\Users\Admin\AppData\Local\Temp\ setup.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1524
        • C:\Windows\SysWOW64\at.exe
          at 00:22 C:\Windows\system32\cmd.exe /c del /F /Q "C:\Users\Admin\AppData\Local\Temp\ setup.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2536
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {FEAAF8EF-0CB8-4CC3-9313-76B69ACA9941} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2916
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c del /F /Q "C:\Users\Admin\AppData\Local\Temp\ setup.exe"
      2⤵
        PID:2756

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\ setup.exe

      Filesize

      380KB

      MD5

      aa78e0ac5cb33a254fe18f516543ece5

      SHA1

      96aa657d4e85f42a2a783387224010f38b5268af

      SHA256

      647a0483cf74f4099112267004494809a8333165951f705c07978ab114e6d0e0

      SHA512

      3dd5ca02a410c263256b927d3f87ef768657bf482a9e0b237b599e26274ec9491f7b1a8c8e14ca450f00e89d177f8aa5f2e599201020b2d984c90497dab10ba2

    • \Users\Admin\AppData\Local\Temp\ wrar393.exe

      Filesize

      1.3MB

      MD5

      b3b121ccac92a71152d3aa6a783927d4

      SHA1

      b51e3dcd8edaad1cb77550a9cfd6266c4925c630

      SHA256

      31c84f5d740eb7b497fcfd5e963123d0a1a94afe6edfd18cfc23b2d1234078fb

      SHA512

      e8f1308aed05f027eace8b0d6dd8a0e4d391748f822a6e665a4e46b88a9f2bf278d3b93c884bdf66b6c94be1223ec7d5ad60fd149a9e20b47b96c56a235cea39

    • memory/688-15-0x00000000743F2000-0x00000000743F4000-memory.dmp

      Filesize

      8KB