Overview

overview

10

Static

static

10

af6b174b10...c3.exe

windows7_x64

10

af6b174b10...c3.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    158s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:16

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General

  • Target

    af6b174b10f33702e21eb411d5fc31292efed525cd890272fc2106d369e0dbc3.exe

  • Size

    31KB

  • MD5

    62c337ee155d4fa14aa8167dc0bdea39

  • SHA1

    78c8ef2e1d7940774d79784b3b2806f440d2a122

  • SHA256

    af6b174b10f33702e21eb411d5fc31292efed525cd890272fc2106d369e0dbc3

  • SHA512

    57646c960ff8b3695096229438556aa0b1227d85319e940f0c6a592fa3209ffc8feaed8bad5fc44421af052e607175b16a07b1a9248f09582cb22046d9fa3afe

Score
10/10
njratmybotevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

MyBot

C2

ggwp90wp.hopto.org:80

Mutex

b911e107642d6002d2b783984c2e57a9

Attributes
  • reg_key

    b911e107642d6002d2b783984c2e57a9

  • splitter

    Y262SUCZ4UJJ

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\af6b174b10f33702e21eb411d5fc31292efed525cd890272fc2106d369e0dbc3.exe
    "C:\Users\Admin\AppData\Local\Temp\af6b174b10f33702e21eb411d5fc31292efed525cd890272fc2106d369e0dbc3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3572
    • C:\Users\Admin\AppData\Roaming\WindowsServices.exe
      "C:\Users\Admin\AppData\Roaming\WindowsServices.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1052
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\WindowsServices.exe" "WindowsServices.exe" ENABLE
        3⤵
          PID:1476

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Modify Existing Service

    1
    T1031

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\WindowsServices.exe
      Filesize

      31KB

      MD5

      62c337ee155d4fa14aa8167dc0bdea39

      SHA1

      78c8ef2e1d7940774d79784b3b2806f440d2a122

      SHA256

      af6b174b10f33702e21eb411d5fc31292efed525cd890272fc2106d369e0dbc3

      SHA512

      57646c960ff8b3695096229438556aa0b1227d85319e940f0c6a592fa3209ffc8feaed8bad5fc44421af052e607175b16a07b1a9248f09582cb22046d9fa3afe

      Download Submit
    • C:\Users\Admin\AppData\Roaming\WindowsServices.exe
      Filesize

      31KB

      MD5

      62c337ee155d4fa14aa8167dc0bdea39

      SHA1

      78c8ef2e1d7940774d79784b3b2806f440d2a122

      SHA256

      af6b174b10f33702e21eb411d5fc31292efed525cd890272fc2106d369e0dbc3

      SHA512

      57646c960ff8b3695096229438556aa0b1227d85319e940f0c6a592fa3209ffc8feaed8bad5fc44421af052e607175b16a07b1a9248f09582cb22046d9fa3afe

      Download Submit
    • memory/1052-131-0x0000000000000000-mapping.dmp
      Download
    • memory/1052-134-0x0000000074FF0000-0x00000000755A1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/1476-135-0x0000000000000000-mapping.dmp
      Download
    • memory/3572-130-0x0000000074FF0000-0x00000000755A1000-memory.dmp
      Filesize

      5.7MB

      Download