Analysis

  • max time kernel
    145s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    20-07-2024 00:39

General

  • Target

    5e5c8a51a66c6981e7794a50203f163c_JaffaCakes118.exe

  • Size

    263KB

  • MD5

    5e5c8a51a66c6981e7794a50203f163c

  • SHA1

    5feb29a8ff41671b9f311d3cebce929633381836

  • SHA256

    40b60e75da32b813ea51c31f89957ca993e7d26ca0b6f0765a9962606aeadad7

  • SHA512

    e6ed58678f51f2633a37ce16c687bda914ce0ff1fcac9aa48b29335c7a14bd4352ba95be067b9d1bc5da3955e69827ce707cb57bec67c67a26236e8c9b0f4501

  • SSDEEP

    6144:oLPg4TMDxlAOnv7++4Uo+bhfpD44DeZNWLSl/:yTMDbJ42PhD0WLS

Score
8/10

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Disables taskbar notifications via registry modification
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 29 IoCs
  • Suspicious use of SendNotifyMessage 17 IoCs
  • Suspicious use of WriteProcessMemory 4 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e5c8a51a66c6981e7794a50203f163c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5e5c8a51a66c6981e7794a50203f163c_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Users\Admin\AppData\Local\mcm.exe
      "C:\Users\Admin\AppData\Local\mcm.exe" -gav C:\Users\Admin\AppData\Local\Temp\5e5c8a51a66c6981e7794a50203f163c_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      PID:2072
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2172

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\mcm.exe

    Filesize

    263KB

    MD5

    157e855f5429c3fd19adec38297a16f3

    SHA1

    237c3863ab5a065dda102e6a4f5a1673b82ff7a6

    SHA256

    a87c41bbc834659563f153dda23a8c09494e10c9ac7169ab99ac8c7eaf1d8ea8

    SHA512

    93d51c8144ef5f80354a6d816e35d80453ac6a8dcd250ca45d76241d3f1ce77c24c1507a50f53b4a928b10abd0c0d26bfaf30faa6197b4c1c962eff6ce165672

  • memory/2072-19-0x0000000000400000-0x0000000000461F50-memory.dmp

    Filesize

    391KB

  • memory/2072-20-0x0000000000400000-0x0000000000461F50-memory.dmp

    Filesize

    391KB

  • memory/2072-18-0x0000000000400000-0x0000000000461F50-memory.dmp

    Filesize

    391KB

  • memory/2072-16-0x0000000000400000-0x0000000000461F50-memory.dmp

    Filesize

    391KB

  • memory/2072-17-0x0000000000400000-0x0000000000461F50-memory.dmp

    Filesize

    391KB

  • memory/2172-35-0x0000000002B10000-0x0000000002B20000-memory.dmp

    Filesize

    64KB

  • memory/2524-2-0x0000000000401000-0x000000000045A000-memory.dmp

    Filesize

    356KB

  • memory/2524-0-0x0000000000400000-0x0000000000461F50-memory.dmp

    Filesize

    391KB

  • memory/2524-15-0x0000000001D80000-0x0000000001E9D000-memory.dmp

    Filesize

    1.1MB

  • memory/2524-14-0x0000000000401000-0x000000000045A000-memory.dmp

    Filesize

    356KB

  • memory/2524-13-0x0000000000400000-0x0000000000461F50-memory.dmp

    Filesize

    391KB

  • memory/2524-3-0x0000000000400000-0x0000000000461F50-memory.dmp

    Filesize

    391KB

  • memory/2524-1-0x0000000001D80000-0x0000000001E9D000-memory.dmp

    Filesize

    1.1MB