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Analysis

  • max time kernel
    99s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/07/2024, 07:25

General

  • Target

    251b71ca78edc29c2a2285839263a773_JaffaCakes118.exe

  • Size

    108KB

  • MD5

    251b71ca78edc29c2a2285839263a773

  • SHA1

    95ce61ef2e2b777940d29420c2fa31860a5ebd54

  • SHA256

    0dcc282a1c35a3f34a74f156ea00bf5a257a8d7239dd0a508c8e62a88763aa50

  • SHA512

    7afc6b4c1b4f7b6b153eb85f185aed6c4391cebba356754543ebef905b7804738393f658e8a2d4ff0820637139d3151d00d981c563b3154bd32c69f6160888f9

  • SSDEEP

    3072:vQIURTXJ8eqgKJ+BCkCNTBCEItNwlCoxD:vsugKJNTBC5tNwI+D

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\251b71ca78edc29c2a2285839263a773_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\251b71ca78edc29c2a2285839263a773_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4084
    • C:\Users\Admin\AppData\Local\Temp\nsj517D.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nsj517D.tmp\downloadmr.exe /u4d48823a-b8b4-4f4d-b72e-794a5bc06ebe /e2028296
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:2924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsj517D.tmp\downloadmr.exe

    Filesize

    127KB

    MD5

    3c85066c68fc1edc6da8ec3887649925

    SHA1

    fc2fcf2e964bf2ee4127530287a0c3f6057cb508

    SHA256

    e77189c27645e70b4e9102f4e5f32d7ca4bb0eacb99d3a53ee2b4f1aac919f91

    SHA512

    357263e601210a3248d1b53fa0f0c9f6346ded9c2c1f2cc0408743035e8352d38bd93d13e3fdcb87b58a425e8ebcda5da7813cf96bd51e16f34a3364eb3ac6c7

  • memory/2924-4-0x0000000074142000-0x0000000074143000-memory.dmp

    Filesize

    4KB

  • memory/2924-5-0x0000000074140000-0x00000000746F1000-memory.dmp

    Filesize

    5.7MB

  • memory/2924-6-0x0000000074140000-0x00000000746F1000-memory.dmp

    Filesize

    5.7MB

  • memory/2924-7-0x0000000074142000-0x0000000074143000-memory.dmp

    Filesize

    4KB

  • memory/2924-9-0x0000000074140000-0x00000000746F1000-memory.dmp

    Filesize

    5.7MB

  • memory/2924-8-0x0000000074140000-0x00000000746F1000-memory.dmp

    Filesize

    5.7MB

  • memory/2924-10-0x0000000074140000-0x00000000746F1000-memory.dmp

    Filesize

    5.7MB

  • memory/2924-11-0x0000000074140000-0x00000000746F1000-memory.dmp

    Filesize

    5.7MB

  • memory/2924-12-0x0000000074140000-0x00000000746F1000-memory.dmp

    Filesize

    5.7MB

  • memory/2924-14-0x0000000074140000-0x00000000746F1000-memory.dmp

    Filesize

    5.7MB