Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 22:29

General

  • Target

    Payload.exe

  • Size

    55KB

  • MD5

    9207071fcd7c38c11ebc273ebffb9231

  • SHA1

    ab0825aafcf4f674f5f58e4174a24e6589e7e5f1

  • SHA256

    faba2545712ac8049dcc8f3a00ec2be9ab18bbf93f0cd4f8b7582505a3cfec88

  • SHA512

    15b09fae18cdbcb519f516f777e4e17fd16711296dc37b43902fecb9fb2007a518b9b3821cc49fa8342351fb6a8a7d9aced2b1fe828f5caaac349bc6710d5267

  • SSDEEP

    768:+Ba6lOt1Man8E2N6FikUt34okSN/mwFvfu0YMDHPsfL7XJSxI3pmSm:+B1cDnCN6FikSJDOwsNMD2XExI3pmSm

Malware Config

Extracted

Family

njrat

Version

<- NjRAT 0.7d Horror Edition ->

Botnet

Victim

C2

fat-pads.gl.at.ply.gg:35059

Mutex

e564aa028dc627deeaa119b78ed54d5e

Attributes
  • reg_key

    e564aa028dc627deeaa119b78ed54d5e

  • splitter

    Y262SUCZ4UJJ

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payload.exe
    "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Users\Admin\AppData\Local\Temp\dllhost.exe
      "C:\Users\Admin\AppData\Local\Temp\dllhost.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    55KB

    MD5

    9207071fcd7c38c11ebc273ebffb9231

    SHA1

    ab0825aafcf4f674f5f58e4174a24e6589e7e5f1

    SHA256

    faba2545712ac8049dcc8f3a00ec2be9ab18bbf93f0cd4f8b7582505a3cfec88

    SHA512

    15b09fae18cdbcb519f516f777e4e17fd16711296dc37b43902fecb9fb2007a518b9b3821cc49fa8342351fb6a8a7d9aced2b1fe828f5caaac349bc6710d5267

  • memory/2124-0-0x0000000074F51000-0x0000000074F52000-memory.dmp

    Filesize

    4KB

  • memory/2124-1-0x0000000074F50000-0x00000000754FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2124-2-0x0000000074F50000-0x00000000754FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2124-10-0x0000000074F50000-0x00000000754FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2824-11-0x0000000074F50000-0x00000000754FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2824-13-0x0000000074F50000-0x00000000754FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2824-14-0x0000000074F50000-0x00000000754FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2824-15-0x0000000074F50000-0x00000000754FB000-memory.dmp

    Filesize

    5.7MB