Analysis

  • max time kernel
    119s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-01-2025 17:37

General

  • Target

    d13cec4552da53d8f26b8acbafbd444402977178ed28be49ed4ca393abbce26d.exe

  • Size

    23KB

  • MD5

    0819e8e98a229f0da3db76eaa17f1cae

  • SHA1

    09fe0c5cee8970d1804b5ae5ec3cf0b49e432baa

  • SHA256

    d13cec4552da53d8f26b8acbafbd444402977178ed28be49ed4ca393abbce26d

  • SHA512

    401f62824f1bfa8b0b8d26678f6d5be4b95c19c0494beb55ec3079d15f86bb1892d18aff6a9d565dac7eb3c81c1c72ab1a208ec685ff89d3b2018cec5ec7ec78

  • SSDEEP

    384:PluBPiZCMfdfSJrQbsLRGSIxYVL46pg/i8BD9BmRvR6JZlbw8hqIusZzZ9XIL:4OmhtIiRpcnu1L

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Lammer

C2

ie-serving.gl.at.ply.gg:18976

Mutex

d386661cfe8f30c3a692533641b57806

Attributes
  • reg_key

    d386661cfe8f30c3a692533641b57806

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 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).

  • 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 27 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d13cec4552da53d8f26b8acbafbd444402977178ed28be49ed4ca393abbce26d.exe
    "C:\Users\Admin\AppData\Local\Temp\d13cec4552da53d8f26b8acbafbd444402977178ed28be49ed4ca393abbce26d.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2572
    • C:\Users\Admin\AppData\Roaming\explore.exe
      "C:\Users\Admin\AppData\Roaming\explore.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2332
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\explore.exe" "explore.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    23KB

    MD5

    0819e8e98a229f0da3db76eaa17f1cae

    SHA1

    09fe0c5cee8970d1804b5ae5ec3cf0b49e432baa

    SHA256

    d13cec4552da53d8f26b8acbafbd444402977178ed28be49ed4ca393abbce26d

    SHA512

    401f62824f1bfa8b0b8d26678f6d5be4b95c19c0494beb55ec3079d15f86bb1892d18aff6a9d565dac7eb3c81c1c72ab1a208ec685ff89d3b2018cec5ec7ec78

  • memory/2332-11-0x0000000074890000-0x0000000074E3B000-memory.dmp

    Filesize

    5.7MB

  • memory/2332-13-0x0000000074890000-0x0000000074E3B000-memory.dmp

    Filesize

    5.7MB

  • memory/2332-12-0x0000000074890000-0x0000000074E3B000-memory.dmp

    Filesize

    5.7MB

  • memory/2332-15-0x0000000074890000-0x0000000074E3B000-memory.dmp

    Filesize

    5.7MB

  • memory/2572-0-0x0000000074891000-0x0000000074892000-memory.dmp

    Filesize

    4KB

  • memory/2572-1-0x0000000074890000-0x0000000074E3B000-memory.dmp

    Filesize

    5.7MB

  • memory/2572-2-0x0000000074890000-0x0000000074E3B000-memory.dmp

    Filesize

    5.7MB

  • memory/2572-10-0x0000000074890000-0x0000000074E3B000-memory.dmp

    Filesize

    5.7MB