Overview

overview

10

Static

static

1VG2GyDy.exe

windows7_x64

10

1VG2GyDy.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    23-12-2020 03:33

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General

  • Target

    1VG2GyDy.exe

  • Size

    23KB

  • MD5

    3ec3b32cc2f8d5b71b8a697840633170

  • SHA1

    23bbf2d4a77abc01eb5af83e8ae120d4ae36b9fa

  • SHA256

    476679732c3c164813c683fb7e6f75ef6e4cb314250a4227421ce7dced010eb3

  • SHA512

    ad7160f26a3aec4c71572c5a77d0193810ba1f2d09b476a21c38aed4ed3a49f9737b3085fe8b5e81bd9219cfdd3e83790a44fb2b9930b97e0e3d4cd8b40d59d3

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

103.45.182.184:5552

Mutex

3a731f9a5537d3d4edee6a499ba30e6b

Attributes
  • reg_key

    3a731f9a5537d3d4edee6a499ba30e6b

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Loads dropped DLL 1 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1VG2GyDy.exe
    "C:\Users\Admin\AppData\Local\Temp\1VG2GyDy.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1320
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1460
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
          PID:1644

    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

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\server.exe
      MD5

      3ec3b32cc2f8d5b71b8a697840633170

      SHA1

      23bbf2d4a77abc01eb5af83e8ae120d4ae36b9fa

      SHA256

      476679732c3c164813c683fb7e6f75ef6e4cb314250a4227421ce7dced010eb3

      SHA512

      ad7160f26a3aec4c71572c5a77d0193810ba1f2d09b476a21c38aed4ed3a49f9737b3085fe8b5e81bd9219cfdd3e83790a44fb2b9930b97e0e3d4cd8b40d59d3

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      MD5

      3ec3b32cc2f8d5b71b8a697840633170

      SHA1

      23bbf2d4a77abc01eb5af83e8ae120d4ae36b9fa

      SHA256

      476679732c3c164813c683fb7e6f75ef6e4cb314250a4227421ce7dced010eb3

      SHA512

      ad7160f26a3aec4c71572c5a77d0193810ba1f2d09b476a21c38aed4ed3a49f9737b3085fe8b5e81bd9219cfdd3e83790a44fb2b9930b97e0e3d4cd8b40d59d3

      Download Submit
    • \Users\Admin\AppData\Local\Temp\server.exe
      MD5

      3ec3b32cc2f8d5b71b8a697840633170

      SHA1

      23bbf2d4a77abc01eb5af83e8ae120d4ae36b9fa

      SHA256

      476679732c3c164813c683fb7e6f75ef6e4cb314250a4227421ce7dced010eb3

      SHA512

      ad7160f26a3aec4c71572c5a77d0193810ba1f2d09b476a21c38aed4ed3a49f9737b3085fe8b5e81bd9219cfdd3e83790a44fb2b9930b97e0e3d4cd8b40d59d3

      Download Submit
    • memory/1460-3-0x0000000000000000-mapping.dmp
      Download
    • memory/1644-6-0x0000000000000000-mapping.dmp
      Download