Overview

overview

10

Static

static

10

a592ea7e65...6c.exe

windows7_x64

10

a592ea7e65...6c.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 10:56

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General

  • Target

    a592ea7e651bdf94a65cd471fcddb7daf1bdc2168164b2008543ebfff9c69f6c.exe

  • Size

    32KB

  • MD5

    329fb77ef9c38388c146e32148cb29df

  • SHA1

    0a6b14098dd89f97a27208b37cfb43197b8bc0a8

  • SHA256

    a592ea7e651bdf94a65cd471fcddb7daf1bdc2168164b2008543ebfff9c69f6c

  • SHA512

    3f561e5f19848c41a3107eacd83445eed36012a5595d5fcebdb37425c3bf49dfc458ae3f999f9bf7da5706d267fec4b8be89681f155149a07f2d229a10926955

Score
10/10
njrathacked by hidden personevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Botnet

Hacked By HiDDen PerSOn

Mutex

64d9c8cb143e6b529eeac073e6e1e511

Attributes
  • reg_key

    64d9c8cb143e6b529eeac073e6e1e511

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 33 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a592ea7e651bdf94a65cd471fcddb7daf1bdc2168164b2008543ebfff9c69f6c.exe
    "C:\Users\Admin\AppData\Local\Temp\a592ea7e651bdf94a65cd471fcddb7daf1bdc2168164b2008543ebfff9c69f6c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4128
    • C:\Users\Admin\AppData\Roaming\System32.exe
      "C:\Users\Admin\AppData\Roaming\System32.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4016
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\System32.exe" "System32.exe" ENABLE
        3⤵
          PID:3852

    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\System32.exe
      Filesize

      32KB

      MD5

      329fb77ef9c38388c146e32148cb29df

      SHA1

      0a6b14098dd89f97a27208b37cfb43197b8bc0a8

      SHA256

      a592ea7e651bdf94a65cd471fcddb7daf1bdc2168164b2008543ebfff9c69f6c

      SHA512

      3f561e5f19848c41a3107eacd83445eed36012a5595d5fcebdb37425c3bf49dfc458ae3f999f9bf7da5706d267fec4b8be89681f155149a07f2d229a10926955

      Download Submit
    • C:\Users\Admin\AppData\Roaming\System32.exe
      Filesize

      32KB

      MD5

      329fb77ef9c38388c146e32148cb29df

      SHA1

      0a6b14098dd89f97a27208b37cfb43197b8bc0a8

      SHA256

      a592ea7e651bdf94a65cd471fcddb7daf1bdc2168164b2008543ebfff9c69f6c

      SHA512

      3f561e5f19848c41a3107eacd83445eed36012a5595d5fcebdb37425c3bf49dfc458ae3f999f9bf7da5706d267fec4b8be89681f155149a07f2d229a10926955

      Download Submit
    • memory/3852-135-0x0000000000000000-mapping.dmp
      Download
    • memory/4016-131-0x0000000000000000-mapping.dmp
      Download
    • memory/4016-134-0x0000000074D50000-0x0000000075301000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4128-130-0x0000000074D50000-0x0000000075301000-memory.dmp
      Filesize

      5.7MB

      Download