Analysis

  • max time kernel
    120s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-11-2024 13:25

General

  • Target

    335031654ecc1799c90f681ca309b9377d6be0a5561d457cc99ed73e839fbf8fN.exe

  • Size

    3.4MB

  • MD5

    7519fab11e73a51ddd403bfc9008cff0

  • SHA1

    b1b07a33d54859aaa1e2e6dbc22519051e07e6a9

  • SHA256

    335031654ecc1799c90f681ca309b9377d6be0a5561d457cc99ed73e839fbf8f

  • SHA512

    81bcc890db76771c0a685787da2660fe5f3117bb965c6ad6b3b6d651bcc22b12a9d415efadc918591eee1c3a59905e5479e7e785d94c35890f84122c01df7f1f

  • SSDEEP

    98304:p8Fl84qUQhj3J2CBCoX05otUScs8QKkc7LkCvL:aS4q5jZ2K1WSHCvL

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

comments-interventions.gl.at.ply.gg:43880

Mutex

ebcc26f4de39924d996fb09d34793367

Attributes
  • reg_key

    ebcc26f4de39924d996fb09d34793367

  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\335031654ecc1799c90f681ca309b9377d6be0a5561d457cc99ed73e839fbf8fN.exe
    "C:\Users\Admin\AppData\Local\Temp\335031654ecc1799c90f681ca309b9377d6be0a5561d457cc99ed73e839fbf8fN.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2160
    • C:\Users\Admin\AppData\Local\Temp\Server.exe
      "C:\Users\Admin\AppData\Local\Temp\Server.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1848
      • 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:2836

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\Server.exe

    Filesize

    37KB

    MD5

    8e9b90e4ab289645ddccd5247deee261

    SHA1

    683d9e6b051f3d71e98e3c5f46c4486c68655689

    SHA256

    17950308df05494a2ba5ff523b839a6d9a30793647bff3a63b606ef7ca33bf8d

    SHA512

    58cff5b191e09b2dbc0e23747089d51ea994d206614fae44a331e7cf97aaaddfc7dc16aa9d802c08803a719ef6b62b47b9409147b1f18d0e3e7874d90fdc4dae

  • memory/1848-10-0x0000000074370000-0x000000007491B000-memory.dmp

    Filesize

    5.7MB

  • memory/1848-11-0x0000000074370000-0x000000007491B000-memory.dmp

    Filesize

    5.7MB

  • memory/1848-13-0x0000000074370000-0x000000007491B000-memory.dmp

    Filesize

    5.7MB

  • memory/1848-14-0x0000000074370000-0x000000007491B000-memory.dmp

    Filesize

    5.7MB

  • memory/2160-0-0x0000000074371000-0x0000000074372000-memory.dmp

    Filesize

    4KB

  • memory/2160-1-0x0000000074370000-0x000000007491B000-memory.dmp

    Filesize

    5.7MB

  • memory/2160-2-0x0000000074370000-0x000000007491B000-memory.dmp

    Filesize

    5.7MB

  • memory/2160-12-0x0000000074370000-0x000000007491B000-memory.dmp

    Filesize

    5.7MB