Analysis

  • max time kernel
    148s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 05:33

General

  • Target

    eaadbf33d6d8e1df8106018fdc39d3f9_JaffaCakes118.xlsm

  • Size

    2.7MB

  • MD5

    eaadbf33d6d8e1df8106018fdc39d3f9

  • SHA1

    8e95e02a998509003fea9c205e752e4ec2802808

  • SHA256

    a9ba5e7ae9dca585a8b3e993dba5055bffce24a5e201e5b9cdd6e88c2c33bb60

  • SHA512

    ab654653089c8c720e71d2f80670c3eade14cd55ef45d9c0c49f7fa146a6d08f28fbcda35331911d823df1a6000a4474573586b0e70aea160ab0eca81e7e8337

  • SSDEEP

    1536:lnd4uFEvT42ZacNCMi8LZ+lWxaqOyIasQmUV2ZT0nIcjELco6kx:r4uFEr423N7ipWJOyIj8sT0n9Jkx

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • NTFS ADS 3 IoCs
  • Script User-Agent 1 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\eaadbf33d6d8e1df8106018fdc39d3f9_JaffaCakes118.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4452
    • C:\Windows\System32\cscript.exe
      "C:\Windows\System32\cscript.exe" C:\programdata\asc.txt:script1.vbs
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Checks computer location settings
      PID:3212

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\slim.exe

    Filesize

    9KB

    MD5

    fb37525a37129dd0aa9106b96704de60

    SHA1

    21dd09b4a0a606c28cdbe37242a0786a1aad9547

    SHA256

    af1be61bdc12ddbea492ca2d41977d15c6679b2d8210ec45bb2458a00a544f63

    SHA512

    22bf079d55217736f3d6aabb786c3e81d90304839f4d4c1980ad83219a325a6e763975b2d276886532d800d7490835bc6a96295f3821ce1e347ee2ecd050e89f

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

    Filesize

    1KB

    MD5

    049bda4a20e5c17aaa1f0dac9e2b1088

    SHA1

    c0b9f6d6d59ae2364a2c8fcecd0e87c5b2056cf1

    SHA256

    5ae6553ac4540d6f801a1972b06d3cd83d6c29749fbaeeb86ed6e220910bbab2

    SHA512

    96d14afbfd7e43c69eab694db5397e22b756a6d1376c43a5bbd785c3f0af8c50200cf0b1245d2ac9875a2bb35ce7624f2358304085829169444099c9e049f657

  • C:\programdata\asc.txt:script1.vbs

    Filesize

    68KB

    MD5

    9804524f96c787a69a60738fd9b958ac

    SHA1

    0b8d06a63322719037cb7c479f11c9d1db4e5e5e

    SHA256

    03220f8d458cf2c5c95b2721b63e740ee6a1d68660b2e9995a423f821134c15f

    SHA512

    c1e2b53dbfa261da5d6d7f3f83c85b04fb5105548c63efe251db0371a27ee48dae200405fe8f837a43b8949f7801ae4156a97eabb5307c4416641fb72e3ef468

  • memory/4452-16-0x00007FFA6F8B0000-0x00007FFA6F8C0000-memory.dmp

    Filesize

    64KB

  • memory/4452-3-0x00007FFAB1B8D000-0x00007FFAB1B8E000-memory.dmp

    Filesize

    4KB

  • memory/4452-6-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4452-8-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4452-7-0x00007FFA71B70000-0x00007FFA71B80000-memory.dmp

    Filesize

    64KB

  • memory/4452-9-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4452-11-0x00007FFA6F8B0000-0x00007FFA6F8C0000-memory.dmp

    Filesize

    64KB

  • memory/4452-12-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4452-14-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4452-15-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4452-13-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4452-4-0x00007FFA71B70000-0x00007FFA71B80000-memory.dmp

    Filesize

    64KB

  • memory/4452-10-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4452-5-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4452-48-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4452-52-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4452-51-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4452-50-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4452-49-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4452-55-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4452-54-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4452-0-0x00007FFA71B70000-0x00007FFA71B80000-memory.dmp

    Filesize

    64KB

  • memory/4452-1-0x00007FFA71B70000-0x00007FFA71B80000-memory.dmp

    Filesize

    64KB

  • memory/4452-69-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4452-70-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

    Filesize

    2.0MB

  • memory/4452-2-0x00007FFA71B70000-0x00007FFA71B80000-memory.dmp

    Filesize

    64KB