Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    29-05-2024 12:06

General

  • Target

    80ad24837a1502c5137eff0689879e87_JaffaCakes118.exe

  • Size

    203KB

  • MD5

    80ad24837a1502c5137eff0689879e87

  • SHA1

    5189989a7000c8b54164b5217b3813d5025ec72d

  • SHA256

    999e3e79844299f643e2addfc8b8142f090be16a56c287d73e97179085a91905

  • SHA512

    6ea82775a0c6d401b22e3ac267aa2345465d8e95529f650636e0d0dab9757d1eda6faafd5e0abcba585d1f430085ad686232189ee23da0ad20e0aaaf3ad30e07

  • SSDEEP

    384:OptDCVgibvjpPu7w9qyMT4f/DisWUbTrAF+rMRTyN/0L+EcoinblneHQM3epzXJs:uGNN9ZMT4f21UHrM+rMRa8Nurjt+hd

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

Biomusor

C2

valeraservice.hopto.org:3725

Mutex

c09891880ad4e747f696c8d81f2ec88b

Attributes
  • reg_key

    c09891880ad4e747f696c8d81f2ec88b

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\80ad24837a1502c5137eff0689879e87_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\80ad24837a1502c5137eff0689879e87_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2856
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:2116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\svchost.exe

    Filesize

    203KB

    MD5

    80ad24837a1502c5137eff0689879e87

    SHA1

    5189989a7000c8b54164b5217b3813d5025ec72d

    SHA256

    999e3e79844299f643e2addfc8b8142f090be16a56c287d73e97179085a91905

    SHA512

    6ea82775a0c6d401b22e3ac267aa2345465d8e95529f650636e0d0dab9757d1eda6faafd5e0abcba585d1f430085ad686232189ee23da0ad20e0aaaf3ad30e07

  • memory/2108-0-0x0000000073FF1000-0x0000000073FF2000-memory.dmp

    Filesize

    4KB

  • memory/2108-1-0x0000000073FF0000-0x000000007459B000-memory.dmp

    Filesize

    5.7MB

  • memory/2108-2-0x0000000073FF0000-0x000000007459B000-memory.dmp

    Filesize

    5.7MB

  • memory/2108-12-0x0000000073FF0000-0x000000007459B000-memory.dmp

    Filesize

    5.7MB

  • memory/2856-10-0x0000000073FF0000-0x000000007459B000-memory.dmp

    Filesize

    5.7MB

  • memory/2856-11-0x0000000073FF0000-0x000000007459B000-memory.dmp

    Filesize

    5.7MB

  • memory/2856-14-0x0000000073FF0000-0x000000007459B000-memory.dmp

    Filesize

    5.7MB