Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/07/2024, 01:24

General

  • Target

    3073744da3458b2bffab8d1da804cd84_JaffaCakes118.exe

  • Size

    1.8MB

  • MD5

    3073744da3458b2bffab8d1da804cd84

  • SHA1

    ce336949838a8e9b56784fa07cef0aff8907147c

  • SHA256

    3c442c7d9dd35c482e4ce4e5a75cb8289779c467f4f291c53b6f879a25ba306a

  • SHA512

    22323f908cece869b25170722ebb6410b18b806303f9cd3437c535609a4c37eac29992100228e5f23a002fae5554aa33ffa3638f667c8750725f1fbd7415a96d

  • SSDEEP

    24576:hCRxWv6ykBfn5181pSw6Gc+IOskmcPpCxwyQuzxgaXC+sv23DBLLNf+mXFGW:hCvycfz8rSw6GGOVB92lLF

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

CAIROOO

C2

milla.publicvm.com:1177

Mutex

c74355ef32f6fb648297e3c65ba28fb4

Attributes
  • reg_key

    c74355ef32f6fb648297e3c65ba28fb4

  • 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).

  • 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.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3073744da3458b2bffab8d1da804cd84_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3073744da3458b2bffab8d1da804cd84_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1500
    • C:\Users\Admin\AppData\Roaming\SPID33.exe
      "C:\Users\Admin\AppData\Roaming\SPID33.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:524
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\SPID33.exe" "SPID33.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:5112
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1500 -s 1744
      2⤵
      • Program crash
      PID:4836
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1500 -ip 1500
    1⤵
      PID:376

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\SPID33.exe

      Filesize

      1.8MB

      MD5

      3073744da3458b2bffab8d1da804cd84

      SHA1

      ce336949838a8e9b56784fa07cef0aff8907147c

      SHA256

      3c442c7d9dd35c482e4ce4e5a75cb8289779c467f4f291c53b6f879a25ba306a

      SHA512

      22323f908cece869b25170722ebb6410b18b806303f9cd3437c535609a4c37eac29992100228e5f23a002fae5554aa33ffa3638f667c8750725f1fbd7415a96d

    • memory/524-30-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/524-29-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/524-27-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/524-25-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/524-24-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/1500-4-0x0000000005100000-0x0000000005192000-memory.dmp

      Filesize

      584KB

    • memory/1500-7-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/1500-8-0x0000000005550000-0x00000000056F6000-memory.dmp

      Filesize

      1.6MB

    • memory/1500-9-0x0000000006C40000-0x0000000006D5C000-memory.dmp

      Filesize

      1.1MB

    • memory/1500-10-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/1500-11-0x0000000005520000-0x000000000552C000-memory.dmp

      Filesize

      48KB

    • memory/1500-6-0x0000000005300000-0x0000000005356000-memory.dmp

      Filesize

      344KB

    • memory/1500-5-0x0000000005050000-0x000000000505A000-memory.dmp

      Filesize

      40KB

    • memory/1500-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

      Filesize

      4KB

    • memory/1500-26-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/1500-3-0x00000000057C0000-0x0000000005D64000-memory.dmp

      Filesize

      5.6MB

    • memory/1500-2-0x0000000005060000-0x00000000050FC000-memory.dmp

      Filesize

      624KB

    • memory/1500-1-0x00000000004D0000-0x0000000000698000-memory.dmp

      Filesize

      1.8MB