Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-04-2024 06:53

General

  • Target

    f0858d19d8c5632c3752f538acbdec20_JaffaCakes118.exe

  • Size

    212KB

  • MD5

    f0858d19d8c5632c3752f538acbdec20

  • SHA1

    0c3647d6904d31d2ee8b35739477694a9c26f3ab

  • SHA256

    ebf39d9ff867791bcb167136e494fec8da659ce36cac0f8229206b145b583b47

  • SHA512

    612df9a74a7ea47ea9690c45d102b97432ba03bdefc388bac0fe2e282848cb0a50ce35911a04cc5b17f1aadf5f958f010964fb696ae656b8be86b91d8fdeb206

  • SSDEEP

    6144:OJPgv7wJZ87wBjd7mgkZUl30tmSFDpotI:OJPdJS7whdSUtKNn

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

Hacked

C2

abdo95.ddns.net:1177

Mutex

ed6e2bf930f6d35b3ac57c049d10ac2c

Attributes
  • reg_key

    ed6e2bf930f6d35b3ac57c049d10ac2c

  • 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 2 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 behavior: EnumeratesProcesses 48 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f0858d19d8c5632c3752f538acbdec20_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f0858d19d8c5632c3752f538acbdec20_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:636
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c test.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2148
      • C:\Users\Admin\AppData\Local\Temp\test.exe
        test.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:840
        • C:\Users\Admin\AppData\Local\Temp\Explorer.exe
          "C:\Users\Admin\AppData\Local\Temp\Explorer.exe"
          4⤵
          • Drops startup file
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4712
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Explorer.exe" "Explorer.exe" ENABLE
            5⤵
            • Modifies Windows Firewall
            PID:312
  • 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=3704 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3180

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Impair Defenses

    1
    T1562

    Disable or Modify System Firewall

    1
    T1562.004

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\test.exe
      Filesize

      29KB

      MD5

      fc42513e45503d510fb011bbb309e51e

      SHA1

      e9741466f6e68dadb9e874f12d5b62fe14693741

      SHA256

      766240fd9026a04e4a7f20240f699133eef24a969e242afdd471ad0a179cefe3

      SHA512

      0f2a88f96a8a47abe062ccca986d2b3d98310374629c9067b19dbfeb73f23ba411b3ca5ae3877684770fb2d25947305b42c38a913a329e6220de6cd5d539a8ca

    • memory/636-0-0x0000000000400000-0x0000000000498000-memory.dmp
      Filesize

      608KB

    • memory/636-16-0x0000000000400000-0x0000000000498000-memory.dmp
      Filesize

      608KB

    • memory/636-23-0x0000000000400000-0x0000000000498000-memory.dmp
      Filesize

      608KB

    • memory/840-5-0x0000000074FC0000-0x0000000075571000-memory.dmp
      Filesize

      5.7MB

    • memory/840-6-0x0000000074FC0000-0x0000000075571000-memory.dmp
      Filesize

      5.7MB

    • memory/840-7-0x0000000000B70000-0x0000000000B80000-memory.dmp
      Filesize

      64KB

    • memory/840-21-0x0000000074FC0000-0x0000000075571000-memory.dmp
      Filesize

      5.7MB

    • memory/4712-20-0x0000000074FC0000-0x0000000075571000-memory.dmp
      Filesize

      5.7MB

    • memory/4712-19-0x0000000001760000-0x0000000001770000-memory.dmp
      Filesize

      64KB

    • memory/4712-18-0x0000000074FC0000-0x0000000075571000-memory.dmp
      Filesize

      5.7MB

    • memory/4712-24-0x0000000001760000-0x0000000001770000-memory.dmp
      Filesize

      64KB

    • memory/4712-25-0x0000000074FC0000-0x0000000075571000-memory.dmp
      Filesize

      5.7MB

    • memory/4712-26-0x0000000001760000-0x0000000001770000-memory.dmp
      Filesize

      64KB

    • memory/4712-27-0x0000000001760000-0x0000000001770000-memory.dmp
      Filesize

      64KB

    • memory/4712-28-0x0000000001760000-0x0000000001770000-memory.dmp
      Filesize

      64KB

    • memory/4712-29-0x0000000001760000-0x0000000001770000-memory.dmp
      Filesize

      64KB