Overview

overview

10

Static

static

10

201572ea22...4e.exe

windows7_x64

10

201572ea22...4e.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    188s
  • max time network
    193s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 06:08

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General

  • Target

    201572ea222e3606c98da1c10781b570e75cdd1256c75eb5c0776490fe76694e.exe

  • Size

    23KB

  • MD5

    be031938826435311f1932068d552001

  • SHA1

    b6b74fbf870c13bb08d151c8aebcca8ac9c4a048

  • SHA256

    201572ea222e3606c98da1c10781b570e75cdd1256c75eb5c0776490fe76694e

  • SHA512

    bb39cfef7b1cdf77f3a49aac41f46464269f7e959d2cba227519a1d23217960a3f9249ee48581ad40deed1c0597eb3e59aff5dbcd55cb33de0b1b00c6a25903a

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

must123123.ddns.net:5571

Mutex

2fd4177f9bfdf03e6833100ad58e5a3b

Attributes
  • reg_key

    2fd4177f9bfdf03e6833100ad58e5a3b

  • splitter

    |'|'|

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.

  • 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\201572ea222e3606c98da1c10781b570e75cdd1256c75eb5c0776490fe76694e.exe
    "C:\Users\Admin\AppData\Local\Temp\201572ea222e3606c98da1c10781b570e75cdd1256c75eb5c0776490fe76694e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4816
    • C:\Users\Admin\AppData\Local\Temp\system.exe
      "C:\Users\Admin\AppData\Local\Temp\system.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3988
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\system.exe" "system.exe" ENABLE
        3⤵
          PID:4920

    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\Local\Temp\system.exe
      Filesize

      23KB

      MD5

      be031938826435311f1932068d552001

      SHA1

      b6b74fbf870c13bb08d151c8aebcca8ac9c4a048

      SHA256

      201572ea222e3606c98da1c10781b570e75cdd1256c75eb5c0776490fe76694e

      SHA512

      bb39cfef7b1cdf77f3a49aac41f46464269f7e959d2cba227519a1d23217960a3f9249ee48581ad40deed1c0597eb3e59aff5dbcd55cb33de0b1b00c6a25903a

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\system.exe
      Filesize

      23KB

      MD5

      be031938826435311f1932068d552001

      SHA1

      b6b74fbf870c13bb08d151c8aebcca8ac9c4a048

      SHA256

      201572ea222e3606c98da1c10781b570e75cdd1256c75eb5c0776490fe76694e

      SHA512

      bb39cfef7b1cdf77f3a49aac41f46464269f7e959d2cba227519a1d23217960a3f9249ee48581ad40deed1c0597eb3e59aff5dbcd55cb33de0b1b00c6a25903a

      Download Submit
    • memory/3988-131-0x0000000000000000-mapping.dmp
      Download
    • memory/3988-134-0x0000000075520000-0x0000000075AD1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4816-130-0x0000000075520000-0x0000000075AD1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4920-135-0x0000000000000000-mapping.dmp
      Download