Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-03-2024 07:24

General

  • Target

    36b8ab4ab974a6be2ae8aec49600215c_JaffaCakes118.msi

  • Size

    264KB

  • MD5

    36b8ab4ab974a6be2ae8aec49600215c

  • SHA1

    01233a85959dd6f5815eb8a037d630b81bff0eb0

  • SHA256

    17182f1f100e9370ee0798fdad75aca6c9004d9446bad85bf5ad9f28975f77d4

  • SHA512

    27bbfedd27c8b821fc17a25ab7a704874df02cb9f608bb02c0892e68e64336ff6816248f4fab150c11e8da7d8422195be7f50ac37927a5e2cef3d95cc71e9072

  • SSDEEP

    3072:kmJhsQ903DaYlA8wgz88ereWn/7w05g0JMcB3RUN46ILJ9+ZB5yOanPR:kmu3DaYlAN8er1nzTsroR

Score
6/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 5 IoCs
  • Loads dropped DLL 2 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\36b8ab4ab974a6be2ae8aec49600215c_JaffaCakes118.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:636
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1308
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding FDAD20983CC52A6E5267AA4DD7216AB5
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      PID:4380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Installer\MSI446B.tmp

    Filesize

    91KB

    MD5

    9f1e5d66c2889018daef4aef604eebc4

    SHA1

    b80294261c8a1635e16e14f55a3d76889ff2c857

    SHA256

    02a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222

    SHA512

    8f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b