Overview

overview

10

Static

static

10

cb40874e04...e4.exe

windows7_x64

10

cb40874e04...e4.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    187s
  • max time network
    192s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:21

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General

  • Target

    cb40874e0404dca1eaba886760c75d40a2f43be8e74f0d60a1673d6ab10657e4.exe

  • Size

    31KB

  • MD5

    d7061c770c21e951296aac82f4c25225

  • SHA1

    6f56047a599f4715f39e1a70413824f96f77d9d6

  • SHA256

    cb40874e0404dca1eaba886760c75d40a2f43be8e74f0d60a1673d6ab10657e4

  • SHA512

    a512b1a33e620ea54cce94f532c445ba36b145c66e9279c54542bca51768de4fea90cd60222fc10209e1ac0517b031196c94ad2cb72855369642b9f91917183a

Score
10/10
njratminemodsevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

MineMods

C2

212.164.65.28:7777

Mutex

88f31489d5bbb2ab0990d1c34b8f8622

Attributes
  • reg_key

    88f31489d5bbb2ab0990d1c34b8f8622

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb40874e0404dca1eaba886760c75d40a2f43be8e74f0d60a1673d6ab10657e4.exe
    "C:\Users\Admin\AppData\Local\Temp\cb40874e0404dca1eaba886760c75d40a2f43be8e74f0d60a1673d6ab10657e4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1928
    • C:\Users\Admin\AppData\Roaming\minemods.exe
      "C:\Users\Admin\AppData\Roaming\minemods.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5092
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\minemods.exe" "minemods.exe" ENABLE
        3⤵
          PID:2068

    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\minemods.exe
      Filesize

      31KB

      MD5

      d7061c770c21e951296aac82f4c25225

      SHA1

      6f56047a599f4715f39e1a70413824f96f77d9d6

      SHA256

      cb40874e0404dca1eaba886760c75d40a2f43be8e74f0d60a1673d6ab10657e4

      SHA512

      a512b1a33e620ea54cce94f532c445ba36b145c66e9279c54542bca51768de4fea90cd60222fc10209e1ac0517b031196c94ad2cb72855369642b9f91917183a

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

      31KB

      MD5

      d7061c770c21e951296aac82f4c25225

      SHA1

      6f56047a599f4715f39e1a70413824f96f77d9d6

      SHA256

      cb40874e0404dca1eaba886760c75d40a2f43be8e74f0d60a1673d6ab10657e4

      SHA512

      a512b1a33e620ea54cce94f532c445ba36b145c66e9279c54542bca51768de4fea90cd60222fc10209e1ac0517b031196c94ad2cb72855369642b9f91917183a

      Download Submit
    • memory/1928-130-0x0000000074A70000-0x0000000075021000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/2068-135-0x0000000000000000-mapping.dmp
      Download
    • memory/5092-131-0x0000000000000000-mapping.dmp
      Download
    • memory/5092-134-0x0000000074A70000-0x0000000075021000-memory.dmp
      Filesize

      5.7MB

      Download