Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/04/2024, 06:55

General

  • Target

    02abaeefe6589e5ccee65d47eba749a7_JaffaCakes118.exe

  • Size

    211KB

  • MD5

    02abaeefe6589e5ccee65d47eba749a7

  • SHA1

    b25cf7475351f1f9b205954d751041329b75d8d9

  • SHA256

    c8ddf513dad4e319e738bad058a5ff1432057fab3f34f5402325b9e83909d864

  • SHA512

    ebebac6c46754c3f2eb2b67f3cc47bc038ea2e66d88dcbae047d15424d4cd344022a8337a102c0bc22c5e657e217286a6bcdba146649573ba4d02c964f27457c

  • SSDEEP

    1536:keZN1s3o5pMCgNlWnkEU2jKIUhycIIWBjSWD7yayIFbJmLvEVJHrwmO:kuvp5KNlc1jKjycIIWtDlfmLvQLw

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Last

C2

recreciptor.hopto.org:2255

Mutex

63951ff13995ee572862321383fecced

Attributes
  • reg_key

    63951ff13995ee572862321383fecced

  • 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 31 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\02abaeefe6589e5ccee65d47eba749a7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\02abaeefe6589e5ccee65d47eba749a7_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:956
    • C:\Users\Admin\AppData\Roaming\VIP72.exe
      "C:\Users\Admin\AppData\Roaming\VIP72.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4392
      • C:\Windows\SYSTEM32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\VIP72.exe" "VIP72.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1112
  • 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 --mojo-platform-channel-handle=3276 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4896

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\VIP72.exe

      Filesize

      211KB

      MD5

      02abaeefe6589e5ccee65d47eba749a7

      SHA1

      b25cf7475351f1f9b205954d751041329b75d8d9

      SHA256

      c8ddf513dad4e319e738bad058a5ff1432057fab3f34f5402325b9e83909d864

      SHA512

      ebebac6c46754c3f2eb2b67f3cc47bc038ea2e66d88dcbae047d15424d4cd344022a8337a102c0bc22c5e657e217286a6bcdba146649573ba4d02c964f27457c

    • memory/956-3-0x000000001BC90000-0x000000001BC9C000-memory.dmp

      Filesize

      48KB

    • memory/956-2-0x00007FFFA53A0000-0x00007FFFA5D41000-memory.dmp

      Filesize

      9.6MB

    • memory/956-0-0x00007FFFA53A0000-0x00007FFFA5D41000-memory.dmp

      Filesize

      9.6MB

    • memory/956-4-0x000000001BD50000-0x000000001BDF6000-memory.dmp

      Filesize

      664KB

    • memory/956-5-0x000000001C2D0000-0x000000001C79E000-memory.dmp

      Filesize

      4.8MB

    • memory/956-1-0x00000000013C0000-0x00000000013D0000-memory.dmp

      Filesize

      64KB

    • memory/956-18-0x00007FFFA53A0000-0x00007FFFA5D41000-memory.dmp

      Filesize

      9.6MB

    • memory/4392-19-0x00007FFFA53A0000-0x00007FFFA5D41000-memory.dmp

      Filesize

      9.6MB

    • memory/4392-20-0x0000000001360000-0x0000000001370000-memory.dmp

      Filesize

      64KB

    • memory/4392-21-0x00007FFFA53A0000-0x00007FFFA5D41000-memory.dmp

      Filesize

      9.6MB

    • memory/4392-23-0x000000001CCF0000-0x000000001CD8C000-memory.dmp

      Filesize

      624KB

    • memory/4392-24-0x0000000001B40000-0x0000000001B48000-memory.dmp

      Filesize

      32KB

    • memory/4392-25-0x00007FFFA53A0000-0x00007FFFA5D41000-memory.dmp

      Filesize

      9.6MB

    • memory/4392-26-0x0000000001360000-0x0000000001370000-memory.dmp

      Filesize

      64KB