Resubmissions

03-01-2025 01:56

250103-ccv1wavkcz 10

Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-01-2025 01:56

General

  • Target

    JaffaCakes118_6987bc8d2458260efeea977790f30795.exe

  • Size

    404KB

  • MD5

    6987bc8d2458260efeea977790f30795

  • SHA1

    b79826c1038605a767ee206e64bcc1821469a964

  • SHA256

    c7f90f1e0b0472e8e18f7e2da07fc9d00f404f2a51c31b66f19e9460a28c2d3b

  • SHA512

    0ad83c8836c7babbb321067add3a626d490faae48875a88699282b86d8f57ced3821fea825671fc02bb70ba4330e24a0cc1a91291db62923e7e9f016781f78d5

  • SSDEEP

    1536:Wc8HjOIQ++G/XPApdzB/VZ7+X0mw6bzP1PhoHitOZ6ExlgFom4G1G1O:Wc8HqIJPPKZB/VZ7+6i7citOZRlgFM

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

copeotr.no-ip.org:81

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes
  • reg_key

    5cd8f17f4086744065eb0992a09e05a2

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 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.

  • Suspicious behavior: EnumeratesProcesses 47 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6987bc8d2458260efeea977790f30795.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6987bc8d2458260efeea977790f30795.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3060
    • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1280
      • C:\Windows\system32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:2172

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Trojan.exe

    Filesize

    404KB

    MD5

    6987bc8d2458260efeea977790f30795

    SHA1

    b79826c1038605a767ee206e64bcc1821469a964

    SHA256

    c7f90f1e0b0472e8e18f7e2da07fc9d00f404f2a51c31b66f19e9460a28c2d3b

    SHA512

    0ad83c8836c7babbb321067add3a626d490faae48875a88699282b86d8f57ced3821fea825671fc02bb70ba4330e24a0cc1a91291db62923e7e9f016781f78d5

  • memory/1280-11-0x000007FEF5900000-0x000007FEF629D000-memory.dmp

    Filesize

    9.6MB

  • memory/1280-10-0x000007FEF5900000-0x000007FEF629D000-memory.dmp

    Filesize

    9.6MB

  • memory/1280-13-0x000007FEF5900000-0x000007FEF629D000-memory.dmp

    Filesize

    9.6MB

  • memory/1280-14-0x000007FEF5900000-0x000007FEF629D000-memory.dmp

    Filesize

    9.6MB

  • memory/3060-0-0x000007FEF5BBE000-0x000007FEF5BBF000-memory.dmp

    Filesize

    4KB

  • memory/3060-1-0x0000000000450000-0x000000000045E000-memory.dmp

    Filesize

    56KB

  • memory/3060-9-0x000007FEF5900000-0x000007FEF629D000-memory.dmp

    Filesize

    9.6MB

  • memory/3060-12-0x000007FEF5900000-0x000007FEF629D000-memory.dmp

    Filesize

    9.6MB