Overview

overview

10

Static

static

10

e670623a56...48.exe

windows7_x64

10

e670623a56...48.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    154s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    15-05-2022 21:21

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General

  • Target

    e670623a56793001dc66b95d934767e93e49035875b7cca07548ba65c3074948.exe

  • Size

    32KB

  • MD5

    00174f6351a98a7b225b9f745f6e67de

  • SHA1

    0b8741728df6e8405a0920b0eb772dd78e91f54d

  • SHA256

    e670623a56793001dc66b95d934767e93e49035875b7cca07548ba65c3074948

  • SHA512

    937455daec1599be71f25ff059e10d310e880987bd91bdd470377c729ba01605029137da613590f91b96522091d64f2c8c8a1142f39822fb8512ec04ad17f772

Score
10/10
njrathacked by hidden personevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Botnet

Hacked By HiDDen PerSOn

Mutex

fc9ace1e5dd7c0bf960c112ea2e25185

Attributes
  • reg_key

    fc9ace1e5dd7c0bf960c112ea2e25185

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 31 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e670623a56793001dc66b95d934767e93e49035875b7cca07548ba65c3074948.exe
    "C:\Users\Admin\AppData\Local\Temp\e670623a56793001dc66b95d934767e93e49035875b7cca07548ba65c3074948.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Users\Admin\AppData\Roaming\winlogin.exe
      "C:\Users\Admin\AppData\Roaming\winlogin.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3392
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\winlogin.exe" "winlogin.exe" ENABLE
        3⤵
          PID:2680

    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\winlogin.exe
      Filesize

      32KB

      MD5

      00174f6351a98a7b225b9f745f6e67de

      SHA1

      0b8741728df6e8405a0920b0eb772dd78e91f54d

      SHA256

      e670623a56793001dc66b95d934767e93e49035875b7cca07548ba65c3074948

      SHA512

      937455daec1599be71f25ff059e10d310e880987bd91bdd470377c729ba01605029137da613590f91b96522091d64f2c8c8a1142f39822fb8512ec04ad17f772

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

      32KB

      MD5

      00174f6351a98a7b225b9f745f6e67de

      SHA1

      0b8741728df6e8405a0920b0eb772dd78e91f54d

      SHA256

      e670623a56793001dc66b95d934767e93e49035875b7cca07548ba65c3074948

      SHA512

      937455daec1599be71f25ff059e10d310e880987bd91bdd470377c729ba01605029137da613590f91b96522091d64f2c8c8a1142f39822fb8512ec04ad17f772

      Download Submit
    • memory/2084-130-0x0000000074B10000-0x00000000750C1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/2680-135-0x0000000000000000-mapping.dmp
      Download
    • memory/3392-131-0x0000000000000000-mapping.dmp
      Download
    • memory/3392-134-0x0000000074B10000-0x00000000750C1000-memory.dmp
      Filesize

      5.7MB

      Download