Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows10-1703_x64
  • resource
    win10-20230703-en
  • resource tags

    arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
  • submitted
    29-08-2023 07:30

General

  • Target

    364613a67fca4c085816dd0a1d19ed43cce41438d9e7943a949c7b1d51434cc7.exe

  • Size

    1.1MB

  • MD5

    9e198f24c7be31e63c0ca43eb239bdf4

  • SHA1

    a5e57cef64dff98407c6d52f7acc29012fa8e783

  • SHA256

    364613a67fca4c085816dd0a1d19ed43cce41438d9e7943a949c7b1d51434cc7

  • SHA512

    e127b3809865665df8be38bb5cf7dfa85a093bc9433a633ad7d8f86b70d942515e7ae1817148effdc2af5828f27da5c0ac6a830e0f49fe3d4f51070a2c491352

  • SSDEEP

    12288:/ZOLBspYFiHbHF3a8zorLkLtcZhB7FpjHHXHHHCHHHhpnI/y:/IL87H5qL8cjBjHHXHHHCHHHhpnI/y

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

FASTER

C2

milla.publicvm.com:1177

Mutex

330ced764afe0e1cb19cc72b852d8d7d

Attributes
  • reg_key

    330ced764afe0e1cb19cc72b852d8d7d

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 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 33 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\364613a67fca4c085816dd0a1d19ed43cce41438d9e7943a949c7b1d51434cc7.exe
    "C:\Users\Admin\AppData\Local\Temp\364613a67fca4c085816dd0a1d19ed43cce41438d9e7943a949c7b1d51434cc7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3416
    • C:\Users\Admin\AppData\Local\Temp\centruma.exe
      "C:\Users\Admin\AppData\Local\Temp\centruma.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5052
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\centruma.exe" "centruma.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:4472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1.1MB

    MD5

    9e198f24c7be31e63c0ca43eb239bdf4

    SHA1

    a5e57cef64dff98407c6d52f7acc29012fa8e783

    SHA256

    364613a67fca4c085816dd0a1d19ed43cce41438d9e7943a949c7b1d51434cc7

    SHA512

    e127b3809865665df8be38bb5cf7dfa85a093bc9433a633ad7d8f86b70d942515e7ae1817148effdc2af5828f27da5c0ac6a830e0f49fe3d4f51070a2c491352

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

    Filesize

    1.1MB

    MD5

    9e198f24c7be31e63c0ca43eb239bdf4

    SHA1

    a5e57cef64dff98407c6d52f7acc29012fa8e783

    SHA256

    364613a67fca4c085816dd0a1d19ed43cce41438d9e7943a949c7b1d51434cc7

    SHA512

    e127b3809865665df8be38bb5cf7dfa85a093bc9433a633ad7d8f86b70d942515e7ae1817148effdc2af5828f27da5c0ac6a830e0f49fe3d4f51070a2c491352

  • memory/3416-3-0x0000000004FC0000-0x0000000005052000-memory.dmp

    Filesize

    584KB

  • memory/3416-0-0x00000000005C0000-0x00000000006DE000-memory.dmp

    Filesize

    1.1MB

  • memory/3416-4-0x0000000005100000-0x000000000519C000-memory.dmp

    Filesize

    624KB

  • memory/3416-5-0x0000000002900000-0x000000000290C000-memory.dmp

    Filesize

    48KB

  • memory/3416-2-0x00000000054C0000-0x00000000059BE000-memory.dmp

    Filesize

    5.0MB

  • memory/3416-1-0x0000000073EA0000-0x000000007458E000-memory.dmp

    Filesize

    6.9MB

  • memory/3416-13-0x0000000073EA0000-0x000000007458E000-memory.dmp

    Filesize

    6.9MB

  • memory/5052-12-0x0000000073EA0000-0x000000007458E000-memory.dmp

    Filesize

    6.9MB

  • memory/5052-15-0x0000000004F20000-0x0000000004F30000-memory.dmp

    Filesize

    64KB

  • memory/5052-16-0x0000000073EA0000-0x000000007458E000-memory.dmp

    Filesize

    6.9MB

  • memory/5052-17-0x0000000004F10000-0x0000000004F1A000-memory.dmp

    Filesize

    40KB

  • memory/5052-18-0x0000000005A70000-0x0000000005AD6000-memory.dmp

    Filesize

    408KB

  • memory/5052-19-0x0000000004F20000-0x0000000004F30000-memory.dmp

    Filesize

    64KB