Analysis

  • max time kernel
    141s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-08-2024 06:57

General

  • Target

    8dc129b4ac1711c2d7f0c9d1469b8a6b_JaffaCakes118.exe

  • Size

    142KB

  • MD5

    8dc129b4ac1711c2d7f0c9d1469b8a6b

  • SHA1

    42d2b9ed1a418d82d5dc7ddafae019c5f2134526

  • SHA256

    7e7ea09df3d604760480c5615ade316e56f4a976cb70e448f5872fa7cca42164

  • SHA512

    d878225c98d7a4447d9fe4e92b78ff89eeae5a1e471faaf4426d1b38073d7a1dd0efdf2feab1b64b312169e7b6413038979626d445c01041d9a0f1002d88b4ad

  • SSDEEP

    3072:KnOn7t7XpdpCCTg/sxFgJKeqgKJ+BC1CmhbGjzfI6XmnF1GqB1HLbJ:KKpdcCrTdgKUmwDXmFMqF

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\8dc129b4ac1711c2d7f0c9d1469b8a6b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8dc129b4ac1711c2d7f0c9d1469b8a6b_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4508
    • C:\Users\Admin\AppData\Local\Temp\nsf6E1D.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nsf6E1D.tmp\downloadmr.exe /u4d488269-6268-4c29-b4c2-79305bc06ebe /e2731734
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1200

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsf6E1D.tmp\System.dll

    Filesize

    21KB

    MD5

    5ebc73650256e9c8ddbcda231db829a1

    SHA1

    988d4535e18754ab2a6248abae96c5697d7dbcd5

    SHA256

    1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

    SHA512

    b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

  • C:\Users\Admin\AppData\Local\Temp\nsf6E1D.tmp\downloadmr.exe

    Filesize

    122KB

    MD5

    da254a8488b60244654e1cf4d6796cf8

    SHA1

    23d06f4589786652a3a226b5012a5520a3d03452

    SHA256

    6d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d

    SHA512

    d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e

  • memory/1200-13-0x00000000745F2000-0x00000000745F3000-memory.dmp

    Filesize

    4KB

  • memory/1200-14-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/1200-15-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/1200-16-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/1200-17-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/1200-18-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/1200-19-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/1200-20-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/1200-22-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/4508-26-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB