Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2025, 06:14

General

  • Target

    9a11a174522b81715e79c23c5d940a66.exe

  • Size

    93KB

  • MD5

    9a11a174522b81715e79c23c5d940a66

  • SHA1

    7a98bdd8057a0d034e13ca85b5184a660ac187b1

  • SHA256

    688c1a3286f2afa26f5c14d5bd3ac3eae66d059d314186409ed9060d815a47dd

  • SHA512

    da01cbf1de22500cce53be313280f7d317b4804f1065ac6f236baba2e60c8f9ba2697e204b5b2b7b9dccb2a7d6694fbdc1988bd8bf0c75e6c96041446aaedf0e

  • SSDEEP

    1536:cOmC+xhUa9urgOB9RNvM4jEwzGi1dDIDGgS:cOgUa9urgONdGi1d+r

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

hakim32.ddns.net:2000

if-contest.gl.at.ply.gg:5461

Mutex

a5a79fb1775f786eb21894fd18e9b5d3

Attributes
  • reg_key

    a5a79fb1775f786eb21894fd18e9b5d3

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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.

  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a11a174522b81715e79c23c5d940a66.exe
    "C:\Users\Admin\AppData\Local\Temp\9a11a174522b81715e79c23c5d940a66.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1424
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    93KB

    MD5

    9a11a174522b81715e79c23c5d940a66

    SHA1

    7a98bdd8057a0d034e13ca85b5184a660ac187b1

    SHA256

    688c1a3286f2afa26f5c14d5bd3ac3eae66d059d314186409ed9060d815a47dd

    SHA512

    da01cbf1de22500cce53be313280f7d317b4804f1065ac6f236baba2e60c8f9ba2697e204b5b2b7b9dccb2a7d6694fbdc1988bd8bf0c75e6c96041446aaedf0e

  • C:\Users\Admin\AppData\Roaming\app

    Filesize

    5B

    MD5

    d43c5b07c128b116b7bc8faf7b8efa9d

    SHA1

    dd3540ad4ae14b21b665d108cf4570c2dfa6a6fa

    SHA256

    80ad1cc7b3a784dad618a445af0c8cf3efa903f82a814756f2aaa7b57f45791f

    SHA512

    618b01e2b808e1954d011635dfdf63bc75855145208fc5cae33ce09c7e5b43cf978f6511beb311765e6920e728a290c9f9ced7563e40e8ff8d093d50fdc18334

  • memory/1424-14-0x0000000073FD0000-0x000000007457B000-memory.dmp

    Filesize

    5.7MB

  • memory/1424-21-0x0000000073FD0000-0x000000007457B000-memory.dmp

    Filesize

    5.7MB

  • memory/1724-0-0x0000000073FD1000-0x0000000073FD2000-memory.dmp

    Filesize

    4KB

  • memory/1724-1-0x0000000073FD0000-0x000000007457B000-memory.dmp

    Filesize

    5.7MB

  • memory/1724-2-0x0000000073FD0000-0x000000007457B000-memory.dmp

    Filesize

    5.7MB

  • memory/1724-15-0x0000000073FD0000-0x000000007457B000-memory.dmp

    Filesize

    5.7MB