Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-09-2024 21:01

General

  • Target

    ff549236bf0eebcc655dc7ccbc5e0691_JaffaCakes118.exe

  • Size

    37KB

  • MD5

    ff549236bf0eebcc655dc7ccbc5e0691

  • SHA1

    0431e4267984b5de5c0eb54d377bc43e3b377543

  • SHA256

    8b2c5362887dbc350aae004bee2ea50b83aee63bdb1d88c2559672e9ca5b91d5

  • SHA512

    5370206ec541ab84f19b2a3702947b33cf4818997edcc3540a86088f55fa5719031f4cca3f0c92bfc442431f5dc3e48a2ff67740496f01985551b185b0165ab4

  • SSDEEP

    384:DCDvkit2Zf5W9cTYXyc/lPM20zHFmnPuhurAF+rMRTyN/0L+EcoinblneHQM3epR:WDqjjTYic/lkEPuYrM+rMRa8NuO65t

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

helo

C2

93.80.143.211:1604

Mutex

47f1deea0f314fac938e8c16bcba8b2b

Attributes
  • reg_key

    47f1deea0f314fac938e8c16bcba8b2b

  • 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
  • Drops autorun.inf file 1 TTPs 5 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff549236bf0eebcc655dc7ccbc5e0691_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ff549236bf0eebcc655dc7ccbc5e0691_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2544
    • C:\Users\Admin\AppData\Roaming\svhost.exe
      "C:\Users\Admin\AppData\Roaming\svhost.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops autorun.inf file
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svhost.exe" "svhost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2768
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /F /IM svhosst.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    37KB

    MD5

    ff549236bf0eebcc655dc7ccbc5e0691

    SHA1

    0431e4267984b5de5c0eb54d377bc43e3b377543

    SHA256

    8b2c5362887dbc350aae004bee2ea50b83aee63bdb1d88c2559672e9ca5b91d5

    SHA512

    5370206ec541ab84f19b2a3702947b33cf4818997edcc3540a86088f55fa5719031f4cca3f0c92bfc442431f5dc3e48a2ff67740496f01985551b185b0165ab4

  • memory/2416-11-0x0000000074830000-0x0000000074DDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2416-12-0x0000000074830000-0x0000000074DDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2416-13-0x0000000074830000-0x0000000074DDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2416-23-0x0000000074830000-0x0000000074DDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2544-0-0x0000000074831000-0x0000000074832000-memory.dmp

    Filesize

    4KB

  • memory/2544-1-0x0000000074830000-0x0000000074DDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2544-2-0x0000000074830000-0x0000000074DDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2544-10-0x0000000074830000-0x0000000074DDB000-memory.dmp

    Filesize

    5.7MB