Overview

overview

8

Static

static

7

1a9beb8cee...18.exe

windows7-x64

8

1a9beb8cee...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-07-2024 08:31

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General

  • Target

    1a9beb8cee1091bed1d0408fa7eba4f0_JaffaCakes118.exe

  • Size

    90KB

  • MD5

    1a9beb8cee1091bed1d0408fa7eba4f0

  • SHA1

    5f7eaba361137c81f9b9f8feeaa84f23ca47b05f

  • SHA256

    9b203111380859513cd79a5dd8a67f11f533997127279cf87b18bb5bff2bdff1

  • SHA512

    f4bd3c51ffc95bfe2a09ba6f241db28fdd99491bee42d4965169dcc341ed3161dc5361aee1329037c83096b83098ead32cb06bb68b8d0c758d14a7f9db25acc7

  • SSDEEP

    1536:LOJ4sGbcsgNwdawhXh3gM/keIyim5pkTsjWU1DlI4vXsXSeNhj5sDoudV4xRXaJJ:LY0cCaoOeIy3pkTsj1OMYNhNsDtdixQ

Score
8/10
persistencevmprotect

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • VMProtect packed file 2 IoCs

    Detects executables packed with VMProtect commercial packer.

    vmprotect
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a9beb8cee1091bed1d0408fa7eba4f0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1a9beb8cee1091bed1d0408fa7eba4f0_JaffaCakes118.exe"
    1⤵
    • Drops file in Drivers directory
    • Checks computer location settings
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:456
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\240603046.dll testall
      2⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:1676
    • C:\Windows\SysWOW64\240607656.exe
      "C:\Windows\system32\240607656.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      PID:4956
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\kl78a.bat" "
      2⤵
        PID:2560

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Initial Access

    Execution

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Resource Development

    Reconnaissance

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\240603046.dll
      Filesize

      14KB

      MD5

      962cab8783e4346bf2fd5ac1530a820e

      SHA1

      e5fa0795fafc737f13746ef09b63549bf965a627

      SHA256

      d443d789343c7509885062da36ca881c436bb4a0ff2e1facde138727b5c5699a

      SHA512

      5047c747925f6fc792b6929d19706fed5517a002a8bbf5a7c69d3142e5614b80b53c02b585846002a17e8433cf7c415852bda4abeaa77745c4048c376c6301af

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\kl78a.bat
      Filesize

      2KB

      MD5

      a5e19ba10e666cf1ba7e2d0683f26d90

      SHA1

      7926e638b05dc24a21afe0186a62944ba569a356

      SHA256

      c717e542c82837805f10fff24d0da892e377be0b7cc0fabe292e95b2d40632bb

      SHA512

      a66b3e53f4cb7735ad3ecfaf2a561d1f1f5315a6dd020c56f7ad70cb626c976016be3633e1306484ad1d11c13d04bc96412457e4dbb96139a5be72e24b9de197

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\ope6263.tmp
      Filesize

      4.3MB

      MD5

      6c7cdd25c2cb0073306eb22aebfc663f

      SHA1

      a1eba8ab49272b9852fe6a543677e8af36271248

      SHA256

      58280e3572333f97a7cf9f33e8d31dc26a98b6535965ebd0bde82249fc9bf705

      SHA512

      17344e07b9e9b2cd6ae4237d7f310732462f9cbb8656883607d7a1a4090e869265f92a6da1718dee50b1375b91583de60c6bd9e7e8db6b6e45e33f4b894365d6

      Download Submit
    • C:\Windows\SysWOW64\240607656.exe
      Filesize

      12KB

      MD5

      7f365c4ed3156a1766a12ef5f56b267e

      SHA1

      7183afdb03678548b8c7d4840b41f1ea06dd1b72

      SHA256

      639fc1c21d22b81f32404ca30ead2d3f9aaf31308fb21a14540ac9adc101b7de

      SHA512

      dd439dbfdaf2b22222650de3b3f30c509645a6ea46c1a815dee1edf8d6e40464ded4b81d9278403a7a179bd3e5cfa204d4fde4a0b62394a246b72182e9ec9a57

      Download Submit
    • memory/456-0-0x0000000000400000-0x000000000043F000-memory.dmp
      Filesize

      252KB

      Download
    • memory/456-25-0x0000000000400000-0x000000000043F000-memory.dmp
      Filesize

      252KB

      Download
    • memory/1676-4-0x0000000010000000-0x0000000010006000-memory.dmp
      Filesize

      24KB

      Download