Overview

overview

10

Static

static

10

c1865a6ccc...05.exe

windows7_x64

10

c1865a6ccc...05.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    23-09-2021 21:03

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General

  • Target

    c1865a6ccc50d10ec91518c9861ed005.exe

  • Size

    31KB

  • MD5

    c1865a6ccc50d10ec91518c9861ed005

  • SHA1

    493bf878ddc94d4a49c5d76243b083cb3d4c6a89

  • SHA256

    5d4fc7275426bb63b90c5d97654e11011a513ebc66ee3af603d383e5175af38c

  • SHA512

    d76af3962d5c9449e17d4663d285929afb4d9ca2da76684959d68802d53b27401992f9a26e849faa1300062d7950129608d95824d2441dc79de872399a2e137a

Score
10/10
njratmybotevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

MyBot

C2

178.20.44.131:6522

Mutex

949d1d181b4442e0ea82dab5035cb1d3

Attributes
  • reg_key

    949d1d181b4442e0ea82dab5035cb1d3

  • splitter

    Y262SUCZ4UJJ

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • 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\c1865a6ccc50d10ec91518c9861ed005.exe
    "C:\Users\Admin\AppData\Local\Temp\c1865a6ccc50d10ec91518c9861ed005.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:632
    • C:\ProgramData\WindowsServices.exe
      "C:\ProgramData\WindowsServices.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1004
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\ProgramData\WindowsServices.exe" "WindowsServices.exe" ENABLE
        3⤵
          PID:1140

    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:\ProgramData\WindowsServices.exe
      MD5

      c1865a6ccc50d10ec91518c9861ed005

      SHA1

      493bf878ddc94d4a49c5d76243b083cb3d4c6a89

      SHA256

      5d4fc7275426bb63b90c5d97654e11011a513ebc66ee3af603d383e5175af38c

      SHA512

      d76af3962d5c9449e17d4663d285929afb4d9ca2da76684959d68802d53b27401992f9a26e849faa1300062d7950129608d95824d2441dc79de872399a2e137a

      Download Submit
    • C:\ProgramData\WindowsServices.exe
      MD5

      c1865a6ccc50d10ec91518c9861ed005

      SHA1

      493bf878ddc94d4a49c5d76243b083cb3d4c6a89

      SHA256

      5d4fc7275426bb63b90c5d97654e11011a513ebc66ee3af603d383e5175af38c

      SHA512

      d76af3962d5c9449e17d4663d285929afb4d9ca2da76684959d68802d53b27401992f9a26e849faa1300062d7950129608d95824d2441dc79de872399a2e137a

      Download Submit
    • memory/632-114-0x0000000000DB0000-0x0000000000EFA000-memory.dmp
      Filesize

      1.3MB

      Download
    • memory/1004-115-0x0000000000000000-mapping.dmp
      Download
    • memory/1004-118-0x0000000001520000-0x0000000001521000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1140-119-0x0000000000000000-mapping.dmp
      Download