Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    28-05-2024 20:03

General

  • Target

    7e39ce738c3e570aad736d1a78886007_JaffaCakes118.exe

  • Size

    446KB

  • MD5

    7e39ce738c3e570aad736d1a78886007

  • SHA1

    eeede7d9801fc51ad732f08d4f5cfd99e35d9722

  • SHA256

    bb93c14aae68d7a38263e73b968b08f5d4a030b7d94bc6ea86620bb17269f540

  • SHA512

    584540ce8b94761e10228063d55d995aac77f20101d1c586e10139254af268192c2fd664ce10581134a22765b36ded9896809171961e9e1fe7f3d3313dae548d

  • SSDEEP

    3072:kq420ALUxUa8FDSKc45xUh/wKsRNwD0kHRoqVi2rhTJNam5zpP4XqAtIVVtNlNmF:tLUCa8FDbtUhB8wNHVi2dpgaUIVdrjc

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

nome

C2

156.196.182.107:2222

Mutex

c3e40c0783d13e5d49201ec30733cfd5

Attributes
  • reg_key

    c3e40c0783d13e5d49201ec30733cfd5

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 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 use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e39ce738c3e570aad736d1a78886007_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7e39ce738c3e570aad736d1a78886007_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Users\Admin\AppData\Roaming\smsm.exe
      "C:\Users\Admin\AppData\Roaming\smsm.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2680
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\smsm.exe" "smsm.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:2540

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    446KB

    MD5

    7e39ce738c3e570aad736d1a78886007

    SHA1

    eeede7d9801fc51ad732f08d4f5cfd99e35d9722

    SHA256

    bb93c14aae68d7a38263e73b968b08f5d4a030b7d94bc6ea86620bb17269f540

    SHA512

    584540ce8b94761e10228063d55d995aac77f20101d1c586e10139254af268192c2fd664ce10581134a22765b36ded9896809171961e9e1fe7f3d3313dae548d

  • memory/2680-10-0x00000000747B0000-0x0000000074D5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-11-0x00000000747B0000-0x0000000074D5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-13-0x00000000747B0000-0x0000000074D5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2792-0-0x00000000747B1000-0x00000000747B2000-memory.dmp

    Filesize

    4KB

  • memory/2792-1-0x00000000747B0000-0x0000000074D5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2792-2-0x00000000747B0000-0x0000000074D5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2792-12-0x00000000747B0000-0x0000000074D5B000-memory.dmp

    Filesize

    5.7MB