Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 11:09

General

  • Target

    1.exe

  • Size

    55KB

  • MD5

    ac8733a16862797fe27d86a080a46cce

  • SHA1

    4884cd013329a1b434f2ec8906223ef96b89d00c

  • SHA256

    585de753d93fcfd637af3d7c9814bd9dd42f733d3167a25f420bed3f075cf0f7

  • SHA512

    a142f852fcb4cc7067738e71df8e286060888142cc2924f006c2a9e8d154998c6f171a94ba89355847641375307d0562087e486819defb679ecb2b0fe533671c

  • SSDEEP

    768:ZVbHFOt1MankGn2NsW6ingB3wkkSNOmwFvfu0YMDHPsAL7XJSxI3pmwm:ZVZcDn4NsRinqtDDwsNMD3XExI3pmwm

Malware Config

Extracted

Family

njrat

Version

<- NjRAT 0.7d Horror Edition ->

Botnet

Victim

C2

november-knife.gl.at.ply.gg:31521

Mutex

11ebedf6aaa70ff2ab1151cb697977f2

Attributes
  • reg_key

    11ebedf6aaa70ff2ab1151cb697977f2

  • 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\1.exe
    "C:\Users\Admin\AppData\Local\Temp\1.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1292
    • 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:1808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    55KB

    MD5

    ac8733a16862797fe27d86a080a46cce

    SHA1

    4884cd013329a1b434f2ec8906223ef96b89d00c

    SHA256

    585de753d93fcfd637af3d7c9814bd9dd42f733d3167a25f420bed3f075cf0f7

    SHA512

    a142f852fcb4cc7067738e71df8e286060888142cc2924f006c2a9e8d154998c6f171a94ba89355847641375307d0562087e486819defb679ecb2b0fe533671c

  • memory/1292-0-0x0000000074201000-0x0000000074202000-memory.dmp

    Filesize

    4KB

  • memory/1292-1-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1292-2-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1292-10-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1808-11-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1808-12-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1808-14-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB