Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 04:28

General

  • Target

    6d554a541f196d57f7c6bd54d7786f46_JaffaCakes118.exe

  • Size

    664KB

  • MD5

    6d554a541f196d57f7c6bd54d7786f46

  • SHA1

    7dc99f2a9eed1fa82b7f37d9129129bdbd1a0d41

  • SHA256

    2077c0b09c070cb3b79f3ca7a8d092fac922e31ed55fedf62a34df73c601b0cc

  • SHA512

    9aa9c1e30586cc6aa16c158b235c361ba7d64f7e4b551a2462c813a6e8ded4e091923c6c28926b625f3ea028da4c98385538761e257a6d9974d467970620af06

  • SSDEEP

    12288:YTf5y14kK0RuPZf1HW9Yui4IRYK2VO0X9bDIFVhB0ZJE+Xhs165:Wf5yCkqZf129YupJ9O0X9b0FVDqEcC12

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6d554a541f196d57f7c6bd54d7786f46_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6d554a541f196d57f7c6bd54d7786f46_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:412
    • C:\Users\Admin\AppData\Local\Temp\n3103\s3103.exe
      "C:\Users\Admin\AppData\Local\Temp\n3103\s3103.exe" eafcfb528cfaafaa29f2db8d1KmoPrm3zYxzobzBdZnnxxSFhUOA4FCHoqbFsu5IPiGBa6q6mRBzkpfMA2OPSKlk8+wJObfgcJcO1dA5oyJta9VIH9lDLgLAHetvzktMcp30/zNGa/C4mgqQ1L8MjXKtzYg0LZW6NTPaHAnV6FYmnYBVj1UsgeDLJRmn05c= /v "C:\Users\Admin\AppData\Local\Temp\6d554a541f196d57f7c6bd54d7786f46_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2860
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3712 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:5040

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Defense Evasion

    Virtualization/Sandbox Evasion

    1
    T1497

    Subvert Trust Controls

    1
    T1553

    Install Root Certificate

    1
    T1553.004

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    3
    T1012

    Virtualization/Sandbox Evasion

    1
    T1497

    System Information Discovery

    3
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n3103\s3103.exe
      Filesize

      350KB

      MD5

      fa6ed0f7848455d3f0929a2954f39c47

      SHA1

      41d67fd1285246b71a7ffb7b3b7debc0f71d3bbf

      SHA256

      f9cdc17ae98b92e4dd757e07dc7966d845cef242d549fdc0587e8e548062df46

      SHA512

      463ef43ec36dd5c65fab50312df35a647840db4b8aab779fdfebdb3988a36effedd6b6a91e4b8eb7f9b38f9989bd793a8b0ca64f292310caa1b71747ca1b0d92

    • memory/2860-12-0x00007FFC4ED55000-0x00007FFC4ED56000-memory.dmp
      Filesize

      4KB

    • memory/2860-13-0x00007FFC4EAA0000-0x00007FFC4F441000-memory.dmp
      Filesize

      9.6MB

    • memory/2860-14-0x00007FFC4EAA0000-0x00007FFC4F441000-memory.dmp
      Filesize

      9.6MB

    • memory/2860-28-0x000000001B320000-0x000000001B330000-memory.dmp
      Filesize

      64KB

    • memory/2860-31-0x000000001C300000-0x000000001C7CE000-memory.dmp
      Filesize

      4.8MB

    • memory/2860-32-0x000000001BCF0000-0x000000001BD8C000-memory.dmp
      Filesize

      624KB

    • memory/2860-33-0x00007FFC4EAA0000-0x00007FFC4F441000-memory.dmp
      Filesize

      9.6MB

    • memory/2860-34-0x000000001C860000-0x000000001C8C2000-memory.dmp
      Filesize

      392KB

    • memory/2860-35-0x00007FFC4EAA0000-0x00007FFC4F441000-memory.dmp
      Filesize

      9.6MB

    • memory/2860-36-0x00007FFC4EAA0000-0x00007FFC4F441000-memory.dmp
      Filesize

      9.6MB

    • memory/2860-37-0x0000000000D30000-0x0000000000D38000-memory.dmp
      Filesize

      32KB

    • memory/2860-38-0x00007FFC4EAA0000-0x00007FFC4F441000-memory.dmp
      Filesize

      9.6MB

    • memory/2860-39-0x00007FFC4EAA0000-0x00007FFC4F441000-memory.dmp
      Filesize

      9.6MB

    • memory/2860-40-0x00007FFC4ED55000-0x00007FFC4ED56000-memory.dmp
      Filesize

      4KB

    • memory/2860-41-0x00007FFC4EAA0000-0x00007FFC4F441000-memory.dmp
      Filesize

      9.6MB

    • memory/2860-42-0x00007FFC4EAA0000-0x00007FFC4F441000-memory.dmp
      Filesize

      9.6MB

    • memory/2860-43-0x00007FFC4EAA0000-0x00007FFC4F441000-memory.dmp
      Filesize

      9.6MB

    • memory/2860-44-0x00007FFC4EAA0000-0x00007FFC4F441000-memory.dmp
      Filesize

      9.6MB

    • memory/2860-45-0x000000001FFE0000-0x000000002011C000-memory.dmp
      Filesize

      1.2MB

    • memory/2860-46-0x00007FFC4EAA0000-0x00007FFC4F441000-memory.dmp
      Filesize

      9.6MB

    • memory/2860-47-0x0000000020630000-0x0000000020B3E000-memory.dmp
      Filesize

      5.1MB

    • memory/2860-48-0x00007FFC4EAA0000-0x00007FFC4F441000-memory.dmp
      Filesize

      9.6MB

    • memory/2860-49-0x00007FFC4EAA0000-0x00007FFC4F441000-memory.dmp
      Filesize

      9.6MB

    • memory/2860-50-0x00007FFC4EAA0000-0x00007FFC4F441000-memory.dmp
      Filesize

      9.6MB

    • memory/2860-52-0x00007FFC4EAA0000-0x00007FFC4F441000-memory.dmp
      Filesize

      9.6MB