Analysis

  • max time kernel
    139s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2024 03:02

General

  • Target

    fbc9563f80e0c9dd8fb30b580ce3909d_JaffaCakes118.exe

  • Size

    664KB

  • MD5

    fbc9563f80e0c9dd8fb30b580ce3909d

  • SHA1

    320938664d521f00e45528716a4f9f86aefa7330

  • SHA256

    122fd1b8f4460a3efd48536a7629541edfe2fe0815cbe46d7f3f0e9be97c58db

  • SHA512

    a432e9af9f8f1970b6a21ee42c3f039fcb0a5c73e05d38a47521f3b2ded4f76da4db6670ba88eadfa6a2d6614dc2fc7a1d94f1fa91f66d0479ca257d72bebc30

  • SSDEEP

    12288:YTf5y14kK0RuPZf1HW9Yui4IRYK2VO0X9bDIFVhB0ZJE+Xhs16l:Wf5yCkqZf129YupJ9O0X9b0FVDqEcC16

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fbc9563f80e0c9dd8fb30b580ce3909d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fbc9563f80e0c9dd8fb30b580ce3909d_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:3444
    • C:\Users\Admin\AppData\Local\Temp\n4229\s4229.exe
      "C:\Users\Admin\AppData\Local\Temp\n4229\s4229.exe" 9c8f9470c4cf144ecfddc96fgwQO16g8rFA27OSlUzMO4XbdktxHed5BWR2wKmy0MN+PgQYOxXQMd9Fphk7OA/+cdJA3oo+Y8V2KOHsybjm8suwi9j6LE+mRtTyVTMYJ+LGVxE1b6hGygeSyC30ddQ8EI3Q1IQd0WPTgXZCENZhQwu5/yBIzi1Z2fNlbnOY= /v "C:\Users\Admin\AppData\Local\Temp\fbc9563f80e0c9dd8fb30b580ce3909d_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
      PID:768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n4229\s4229.exe

    Filesize

    350KB

    MD5

    fa6ed0f7848455d3f0929a2954f39c47

    SHA1

    41d67fd1285246b71a7ffb7b3b7debc0f71d3bbf

    SHA256

    f9cdc17ae98b92e4dd757e07dc7966d845cef242d549fdc0587e8e548062df46

    SHA512

    463ef43ec36dd5c65fab50312df35a647840db4b8aab779fdfebdb3988a36effedd6b6a91e4b8eb7f9b38f9989bd793a8b0ca64f292310caa1b71747ca1b0d92

  • memory/768-13-0x0000000001170000-0x0000000001180000-memory.dmp

    Filesize

    64KB

  • memory/768-12-0x00007FF98A1E0000-0x00007FF98AB81000-memory.dmp

    Filesize

    9.6MB

  • memory/768-29-0x000000001BED0000-0x000000001BEE0000-memory.dmp

    Filesize

    64KB

  • memory/768-32-0x000000001C500000-0x000000001C9CE000-memory.dmp

    Filesize

    4.8MB

  • memory/768-33-0x000000001CA70000-0x000000001CB0C000-memory.dmp

    Filesize

    624KB

  • memory/768-34-0x0000000001170000-0x0000000001180000-memory.dmp

    Filesize

    64KB

  • memory/768-35-0x000000001CC60000-0x000000001CCC2000-memory.dmp

    Filesize

    392KB

  • memory/768-37-0x0000000001170000-0x0000000001180000-memory.dmp

    Filesize

    64KB

  • memory/768-36-0x0000000001170000-0x0000000001180000-memory.dmp

    Filesize

    64KB

  • memory/768-38-0x00007FF98A1E0000-0x00007FF98AB81000-memory.dmp

    Filesize

    9.6MB

  • memory/768-39-0x00007FF98A1E0000-0x00007FF98AB81000-memory.dmp

    Filesize

    9.6MB

  • memory/768-40-0x0000000020E10000-0x000000002131E000-memory.dmp

    Filesize

    5.1MB

  • memory/768-42-0x00007FF98A1E0000-0x00007FF98AB81000-memory.dmp

    Filesize

    9.6MB