Overview

overview

10

Static

static

10

01d7dcfc0d...2b.exe

windows7-x64

10

01d7dcfc0d...2b.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-07-2023 12:25

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General

  • Target

    01d7dcfc0d43e1a63160c2a2b.exe

  • Size

    30KB

  • MD5

    01d7dcfc0d43e1a63160c2a2be09ac3b

  • SHA1

    b153f050ed9297fe236e5112ce3b4a334b18b135

  • SHA256

    ac458cf6d935c1fe276458fa4ed577c356a81662fc0978ed9708abd863b519c7

  • SHA512

    cc49ba199dd2c9dce7746f46f5f9bae0bf0793b955b851d5d38afcc40708e94a18000776254207f1b6c5d1d98b1154dfd345becf037417b7351dec25b9d5dd59

  • SSDEEP

    768:rSHMXrwpJbb2zxxO5Seqf3isfvUuQmIDUu0tirXj:rlkK9is7QVkaj

Score
10/10
njratbotevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Bot

C2

77.241.20.215:55915

Mutex

89a73e3948b3f7c938f6b700b2914080

Attributes
  • reg_key

    89a73e3948b3f7c938f6b700b2914080

  • splitter

    Y262SUCZ4UJJ

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 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).

  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01d7dcfc0d43e1a63160c2a2b.exe
    "C:\Users\Admin\AppData\Local\Temp\01d7dcfc0d43e1a63160c2a2b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Users\Admin\AppData\Roaming\WindowsServices.exe
      "C:\Users\Admin\AppData\Roaming\WindowsServices.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5104
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\WindowsServices.exe" "WindowsServices.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:4344

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\WindowsServices.exe
    Filesize

    30KB

    MD5

    01d7dcfc0d43e1a63160c2a2be09ac3b

    SHA1

    b153f050ed9297fe236e5112ce3b4a334b18b135

    SHA256

    ac458cf6d935c1fe276458fa4ed577c356a81662fc0978ed9708abd863b519c7

    SHA512

    cc49ba199dd2c9dce7746f46f5f9bae0bf0793b955b851d5d38afcc40708e94a18000776254207f1b6c5d1d98b1154dfd345becf037417b7351dec25b9d5dd59

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

    30KB

    MD5

    01d7dcfc0d43e1a63160c2a2be09ac3b

    SHA1

    b153f050ed9297fe236e5112ce3b4a334b18b135

    SHA256

    ac458cf6d935c1fe276458fa4ed577c356a81662fc0978ed9708abd863b519c7

    SHA512

    cc49ba199dd2c9dce7746f46f5f9bae0bf0793b955b851d5d38afcc40708e94a18000776254207f1b6c5d1d98b1154dfd345becf037417b7351dec25b9d5dd59

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

    30KB

    MD5

    01d7dcfc0d43e1a63160c2a2be09ac3b

    SHA1

    b153f050ed9297fe236e5112ce3b4a334b18b135

    SHA256

    ac458cf6d935c1fe276458fa4ed577c356a81662fc0978ed9708abd863b519c7

    SHA512

    cc49ba199dd2c9dce7746f46f5f9bae0bf0793b955b851d5d38afcc40708e94a18000776254207f1b6c5d1d98b1154dfd345becf037417b7351dec25b9d5dd59

    Download Submit
  • memory/2104-133-0x0000000000C80000-0x0000000000C90000-memory.dmp
    Filesize

    64KB

    Download
  • memory/5104-143-0x00000000010C0000-0x00000000010D0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/5104-145-0x00000000010C0000-0x00000000010D0000-memory.dmp
    Filesize

    64KB

    Download