Analysis

  • max time kernel
    149s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-05-2024 21:08

General

  • Target

    81edcd946e3156ee49f7c24b7100b110_JaffaCakes118.exe

  • Size

    3.7MB

  • MD5

    81edcd946e3156ee49f7c24b7100b110

  • SHA1

    438562088c52dcf14ccb9a81fb76e5b42b9f87f0

  • SHA256

    53e6818c438ceb53a4213a0cd961359043fff77bc2bb0674992e54c83705c852

  • SHA512

    8d8959a98fd40c58677edcebcf42ad3fb9ab36411e84526e34a30d90ddab938e7d2d22aa5295c86bf794798c1892bac6d1e6b442126fa7eca1cdd899b5a9ca83

  • SSDEEP

    98304:abXsyiWeIqEsMISXg0V8Mw118EdMUDAM:abXfLQtL3LL

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

GENRAM MOTO

C2

milla.publicvm.com:1177

Mutex

c1e444094e4e1836ba8400b3d476c9ef

Attributes
  • reg_key

    c1e444094e4e1836ba8400b3d476c9ef

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81edcd946e3156ee49f7c24b7100b110_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\81edcd946e3156ee49f7c24b7100b110_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Users\Admin\AppData\Roaming\awsare.exe
      "C:\Users\Admin\AppData\Roaming\awsare.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4796
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\awsare.exe" "awsare.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:3904
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3988,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=4300 /prefetch:8
    1⤵
      PID:804

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\awsare.exe

      Filesize

      3.7MB

      MD5

      81edcd946e3156ee49f7c24b7100b110

      SHA1

      438562088c52dcf14ccb9a81fb76e5b42b9f87f0

      SHA256

      53e6818c438ceb53a4213a0cd961359043fff77bc2bb0674992e54c83705c852

      SHA512

      8d8959a98fd40c58677edcebcf42ad3fb9ab36411e84526e34a30d90ddab938e7d2d22aa5295c86bf794798c1892bac6d1e6b442126fa7eca1cdd899b5a9ca83

    • memory/2020-6-0x0000000005CE0000-0x0000000005CEA000-memory.dmp

      Filesize

      40KB

    • memory/2020-2-0x0000000005F40000-0x00000000064E4000-memory.dmp

      Filesize

      5.6MB

    • memory/2020-3-0x0000000005A30000-0x0000000005AC2000-memory.dmp

      Filesize

      584KB

    • memory/2020-4-0x0000000005AD0000-0x0000000005B6C000-memory.dmp

      Filesize

      624KB

    • memory/2020-5-0x0000000075000000-0x00000000757B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2020-0-0x000000007500E000-0x000000007500F000-memory.dmp

      Filesize

      4KB

    • memory/2020-7-0x0000000005CF0000-0x0000000005CFC000-memory.dmp

      Filesize

      48KB

    • memory/2020-1-0x0000000000C90000-0x0000000001040000-memory.dmp

      Filesize

      3.7MB

    • memory/2020-21-0x0000000075000000-0x00000000757B0000-memory.dmp

      Filesize

      7.7MB

    • memory/4796-20-0x0000000075000000-0x00000000757B0000-memory.dmp

      Filesize

      7.7MB

    • memory/4796-22-0x0000000075000000-0x00000000757B0000-memory.dmp

      Filesize

      7.7MB

    • memory/4796-24-0x0000000075000000-0x00000000757B0000-memory.dmp

      Filesize

      7.7MB

    • memory/4796-25-0x0000000075000000-0x00000000757B0000-memory.dmp

      Filesize

      7.7MB