Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-05-2024 03:03

General

  • Target

    7b777263642cd694415accdb45b19de6_JaffaCakes118.exe

  • Size

    223KB

  • MD5

    7b777263642cd694415accdb45b19de6

  • SHA1

    157c6b950a34e59a575c943955d4a6347f484b2b

  • SHA256

    23ce7d714e8ccd6fe40a1b10803b587e2cf4dbb61e8ee4624654d7fd2c38bdf7

  • SHA512

    525a71dd76441cb2f25706594217ddff2300fb1c177f821334993c46e041a8ac3416031183f013083397ec270a15e0b98cb28579ed891a003a58321c52e55e6a

  • SSDEEP

    1536:SoqdjhPaj/r8YOQLFCdZt5W8SOMIOGZ+qqeydYNAX5Jo/FRKP6ecRiTn:Od0jjNfgZt5Wpkee/C

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

cb4cb4

C2

cb4cb4.ddns.net:1604

Mutex

2b4311709f49c1773d2dd641126cf3dd

Attributes
  • reg_key

    2b4311709f49c1773d2dd641126cf3dd

  • 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.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b777263642cd694415accdb45b19de6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7b777263642cd694415accdb45b19de6_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Users\Admin\AppData\Local\Temp\7b777263642cd694415accdb45b19de6_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\7b777263642cd694415accdb45b19de6_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:548
      • C:\Users\Admin\AppData\Roaming\server.exe
        "C:\Users\Admin\AppData\Roaming\server.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2756
        • C:\Users\Admin\AppData\Roaming\server.exe
          "C:\Users\Admin\AppData\Roaming\server.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3276
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
            5⤵
            • Modifies Windows Firewall
            PID:112
  • 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=4312 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3592

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\7b777263642cd694415accdb45b19de6_JaffaCakes118.exe.log

      Filesize

      492B

      MD5

      025b651197a4e2e1582d1b06958c1b91

      SHA1

      824504eaa5092ab3834a2feba7fdfd1492c3e28a

      SHA256

      1210ce1260f4f2db72186e5a5a7a094e3512876ca4b60263864250a0aebde2e7

      SHA512

      29908a50ce65051eefe631a4938bc08c0967d3117c99120a9b0ffef35801bfef124165906b767e357a2656a7f584e85fb82c7e3f8b8084ff9756fd621c73a024

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

      Filesize

      223KB

      MD5

      7b777263642cd694415accdb45b19de6

      SHA1

      157c6b950a34e59a575c943955d4a6347f484b2b

      SHA256

      23ce7d714e8ccd6fe40a1b10803b587e2cf4dbb61e8ee4624654d7fd2c38bdf7

      SHA512

      525a71dd76441cb2f25706594217ddff2300fb1c177f821334993c46e041a8ac3416031183f013083397ec270a15e0b98cb28579ed891a003a58321c52e55e6a

    • memory/548-30-0x00000000750C0000-0x0000000075671000-memory.dmp

      Filesize

      5.7MB

    • memory/548-9-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/548-13-0x00000000750C0000-0x0000000075671000-memory.dmp

      Filesize

      5.7MB

    • memory/548-14-0x00000000750C0000-0x0000000075671000-memory.dmp

      Filesize

      5.7MB

    • memory/548-15-0x00000000750C0000-0x0000000075671000-memory.dmp

      Filesize

      5.7MB

    • memory/548-7-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/548-8-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/2388-0-0x00000000750C2000-0x00000000750C3000-memory.dmp

      Filesize

      4KB

    • memory/2388-5-0x00000000750C0000-0x0000000075671000-memory.dmp

      Filesize

      5.7MB

    • memory/2388-6-0x00000000750C0000-0x0000000075671000-memory.dmp

      Filesize

      5.7MB

    • memory/2388-4-0x00000000750C0000-0x0000000075671000-memory.dmp

      Filesize

      5.7MB

    • memory/2388-11-0x00000000750C2000-0x00000000750C3000-memory.dmp

      Filesize

      4KB

    • memory/2388-12-0x00000000750C0000-0x0000000075671000-memory.dmp

      Filesize

      5.7MB

    • memory/2388-17-0x00000000750C0000-0x0000000075671000-memory.dmp

      Filesize

      5.7MB

    • memory/2388-2-0x00000000750C0000-0x0000000075671000-memory.dmp

      Filesize

      5.7MB

    • memory/2388-1-0x00000000750C0000-0x0000000075671000-memory.dmp

      Filesize

      5.7MB

    • memory/2388-3-0x00000000750C0000-0x0000000075671000-memory.dmp

      Filesize

      5.7MB

    • memory/2756-42-0x00000000750C0000-0x0000000075671000-memory.dmp

      Filesize

      5.7MB

    • memory/2756-32-0x00000000750C0000-0x0000000075671000-memory.dmp

      Filesize

      5.7MB

    • memory/2756-33-0x00000000750C0000-0x0000000075671000-memory.dmp

      Filesize

      5.7MB

    • memory/2756-34-0x00000000750C0000-0x0000000075671000-memory.dmp

      Filesize

      5.7MB

    • memory/2756-35-0x00000000750C0000-0x0000000075671000-memory.dmp

      Filesize

      5.7MB

    • memory/2756-31-0x00000000750C0000-0x0000000075671000-memory.dmp

      Filesize

      5.7MB