Overview

overview

10

Static

static

1f3aafcfa0...59.exe

windows7-x64

10

1f3aafcfa0...59.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    157s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 10:01

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General

  • Target

    1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe

  • Size

    188KB

  • MD5

    10d3c80cd58214bdb6f8a7cd38b058a1

  • SHA1

    d5a319c69d2323dd9890bb4f6e7bd85c0b8c2697

  • SHA256

    1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759

  • SHA512

    34a34586f60ad251e96848589351c95c80e6ea1dc8c22e37c006d8e2c5ce85947cf2b942658061bb42885f23be9c339ce7cdf2059d553a9d880b4ebe73223645

  • SSDEEP

    3072:TDYGtp8ttt8f48aSokhUtuxyK+pa++iybxCt10Oiy3CWRJBPleyHsxq/:IGT48aSvODv+i4xC30Dy3CWRJJleyHk

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

slowburn.linkpc.net:6760

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes
  • reg_key

    5cd8f17f4086744065eb0992a09e05a2

  • splitter

    |'|'|

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.

  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 41 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
    "C:\Users\Admin\AppData\Local\Temp\1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3212
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "ZSpPXeSdyv" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\nSZN14nS\oc81gcD.exe.lnk"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5048
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "ZSpPXeSdyv" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\nSZN14nS\oc81gcD.exe.lnk"
        3⤵
        • Adds Run key to start application
        PID:1960
    • C:\Users\Admin\AppData\Local\Temp\1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
      "C:\Users\Admin\AppData\Local\Temp\1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2836
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe" "1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:4920

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1960-134-0x0000000000000000-mapping.dmp

    Download

  • memory/2836-135-0x0000000000000000-mapping.dmp

    Download

  • memory/2836-136-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

    Download

  • memory/2836-139-0x0000000074E40000-0x00000000753F1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2836-140-0x0000000074E40000-0x00000000753F1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3212-132-0x0000000074E40000-0x00000000753F1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3212-137-0x0000000074E40000-0x00000000753F1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4920-138-0x0000000000000000-mapping.dmp

    Download

  • memory/5048-133-0x0000000000000000-mapping.dmp

    Download