Overview

overview

10

Static

static

10

3e49ee9771...9d.exe

windows7_x64

10

3e49ee9771...9d.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    155s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:20

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General

  • Target

    3e49ee97714da6fdde1963624b2fdfa24a368c68a151630276b272163ce43f9d.exe

  • Size

    31KB

  • MD5

    4c3fe802909235ddb4202eda5ead4d1e

  • SHA1

    1e6f88ead6df2d9f1c99e037f2a6141bcf65aa59

  • SHA256

    3e49ee97714da6fdde1963624b2fdfa24a368c68a151630276b272163ce43f9d

  • SHA512

    845c1fb3bea189e927df5b3e04eb87744eec04cabbc07d86a5760749613876858aab7a1a3bdf58973dbbc0a0f7851644c399b6771125e0ca7d5be7c1250f966d

Score
10/10
njratqevasiontrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

q

C2

192.168.1.3:7777

Mutex

ad0e8fb502ecf928942daab540ba981e

Attributes
  • reg_key

    ad0e8fb502ecf928942daab540ba981e

  • 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e49ee97714da6fdde1963624b2fdfa24a368c68a151630276b272163ce43f9d.exe
    "C:\Users\Admin\AppData\Local\Temp\3e49ee97714da6fdde1963624b2fdfa24a368c68a151630276b272163ce43f9d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4408
    • C:\Users\Admin\AppData\Roaming\jawa.exe
      "C:\Users\Admin\AppData\Roaming\jawa.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4256
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\jawa.exe" "jawa.exe" ENABLE
        3⤵
          PID:2160

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Modify Existing Service

    1
    T1031

    Privilege Escalation

    Defense Evasion

    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\jawa.exe
      Filesize

      31KB

      MD5

      4c3fe802909235ddb4202eda5ead4d1e

      SHA1

      1e6f88ead6df2d9f1c99e037f2a6141bcf65aa59

      SHA256

      3e49ee97714da6fdde1963624b2fdfa24a368c68a151630276b272163ce43f9d

      SHA512

      845c1fb3bea189e927df5b3e04eb87744eec04cabbc07d86a5760749613876858aab7a1a3bdf58973dbbc0a0f7851644c399b6771125e0ca7d5be7c1250f966d

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

      31KB

      MD5

      4c3fe802909235ddb4202eda5ead4d1e

      SHA1

      1e6f88ead6df2d9f1c99e037f2a6141bcf65aa59

      SHA256

      3e49ee97714da6fdde1963624b2fdfa24a368c68a151630276b272163ce43f9d

      SHA512

      845c1fb3bea189e927df5b3e04eb87744eec04cabbc07d86a5760749613876858aab7a1a3bdf58973dbbc0a0f7851644c399b6771125e0ca7d5be7c1250f966d

      Download Submit
    • memory/2160-135-0x0000000000000000-mapping.dmp
      Download
    • memory/4256-131-0x0000000000000000-mapping.dmp
      Download
    • memory/4256-134-0x0000000074C00000-0x00000000751B1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4408-130-0x0000000074C00000-0x00000000751B1000-memory.dmp
      Filesize

      5.7MB

      Download