Analysis

  • max time kernel
    142s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-08-2024 08:09

General

  • Target

    c87614cf3877aa78d21bec9ea9c6e0bb_JaffaCakes118.exe

  • Size

    142KB

  • MD5

    c87614cf3877aa78d21bec9ea9c6e0bb

  • SHA1

    4a25f61f6ad0426cb4faa9a4eeaf96bf31666684

  • SHA256

    e8d05b4140f6c9202208c86fd15bfb178a4d931c26ee21e46283efe869792a50

  • SHA512

    2ab1c39086734b0efba3546afe687e7062be577044b1e04a694eee34e80c631ba45470358c68adfd2d6c0a01dedc53d3ea73b183cc4607d1c9c862527abca307

  • SSDEEP

    3072:xnOn7t7XpdpCCTg/sxFgJaeqgKJ+BCNCIN9bdiOdmt7mCmCi:xKpdcCrTdgKsIHbdvWmjB

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c87614cf3877aa78d21bec9ea9c6e0bb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c87614cf3877aa78d21bec9ea9c6e0bb_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Users\Admin\AppData\Local\Temp\nsfAC20.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nsfAC20.tmp\downloadmr.exe /u4e820da5-3514-4c8f-ba03-600d5bc06f2f /e2719908
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsfAC20.tmp\System.dll

    Filesize

    21KB

    MD5

    5ebc73650256e9c8ddbcda231db829a1

    SHA1

    988d4535e18754ab2a6248abae96c5697d7dbcd5

    SHA256

    1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

    SHA512

    b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

  • C:\Users\Admin\AppData\Local\Temp\nsfAC20.tmp\downloadmr.exe

    Filesize

    122KB

    MD5

    da254a8488b60244654e1cf4d6796cf8

    SHA1

    23d06f4589786652a3a226b5012a5520a3d03452

    SHA256

    6d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d

    SHA512

    d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e

  • memory/1908-29-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/4784-17-0x0000000074540000-0x0000000074AF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-15-0x0000000074540000-0x0000000074AF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-16-0x0000000074540000-0x0000000074AF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-14-0x0000000074540000-0x0000000074AF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-18-0x0000000074540000-0x0000000074AF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-19-0x0000000074540000-0x0000000074AF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-20-0x0000000074540000-0x0000000074AF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-21-0x0000000074542000-0x0000000074543000-memory.dmp

    Filesize

    4KB

  • memory/4784-22-0x0000000074540000-0x0000000074AF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-23-0x0000000074540000-0x0000000074AF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-25-0x0000000074540000-0x0000000074AF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-13-0x0000000074542000-0x0000000074543000-memory.dmp

    Filesize

    4KB