Analysis

  • max time kernel
    147s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2024, 00:55

General

  • Target

    f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe

  • Size

    23KB

  • MD5

    2697c90051b724a80526c5b8b47e5df4

  • SHA1

    749d44fe2640504f15e9bf7b697f1017c8c2637d

  • SHA256

    f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355

  • SHA512

    d0c8d76699f2f88d76eeaf211e59a780969b7692b513495a34013af8380d3fe0616caf03c6e47b8e7721d2f0a369c1dd20860b755b7d607783a99080c5f5315b

  • SSDEEP

    384:V8aSyS9gB3Y1KIay2X8cLZI6XgxsGJVPpmRvR6JZlbw8hqIusZzZDU:G589tXvRpcnuj

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

mohib

C2

mohibkal.publicvm.com:1978

Mutex

c14a42d030a82215ba6bc24288fc11a4

Attributes
  • reg_key

    c14a42d030a82215ba6bc24288fc11a4

  • splitter

    |'|'|

Signatures

  • Njrat family
  • 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
  • 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 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 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe
    "C:\Users\Admin\AppData\Local\Temp\f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2504
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2072
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    23KB

    MD5

    2697c90051b724a80526c5b8b47e5df4

    SHA1

    749d44fe2640504f15e9bf7b697f1017c8c2637d

    SHA256

    f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355

    SHA512

    d0c8d76699f2f88d76eeaf211e59a780969b7692b513495a34013af8380d3fe0616caf03c6e47b8e7721d2f0a369c1dd20860b755b7d607783a99080c5f5315b

  • memory/2072-10-0x0000000074250000-0x00000000747FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2072-12-0x0000000074250000-0x00000000747FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2504-0-0x0000000074251000-0x0000000074252000-memory.dmp

    Filesize

    4KB

  • memory/2504-1-0x0000000074250000-0x00000000747FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2504-2-0x0000000074250000-0x00000000747FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2504-11-0x0000000074250000-0x00000000747FB000-memory.dmp

    Filesize

    5.7MB