Overview

overview

10

Static

static

3

e1e8e0d2bf...18.exe

windows7-x64

10

e1e8e0d2bf...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-09-2024 06:41

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General

  • Target

    e1e8e0d2bf75e17a16e67f6464465bda_JaffaCakes118.exe

  • Size

    926KB

  • MD5

    e1e8e0d2bf75e17a16e67f6464465bda

  • SHA1

    e04ed93dfd3609d854ade621945cd9b04c39b983

  • SHA256

    291314516707e7419f4788ef54dea6af38d460a8ddcdf30471654ec44e948ae2

  • SHA512

    cc4b939c82420f4f3bc0d28fddbf8f07aa01704e17498311c067d5e179404669aac88414dbe7f580151208619464d3660dd6781c7ce3186769e2b96c00234c09

  • SSDEEP

    24576:SS4xwcRDuQel/EPRoAFtH6Rle8Q5cOTano:Sxx9DuQnyAFMnscOu

Score
10/10
njratclowndiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

clown

C2

0.tcp.ngrok.io:11792

Mutex

6898a9e4193ffd97bc9f8ae37308d31e

Attributes
  • reg_key

    6898a9e4193ffd97bc9f8ae37308d31e

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 2 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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e1e8e0d2bf75e17a16e67f6464465bda_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e1e8e0d2bf75e17a16e67f6464465bda_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3856
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4996
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\svchost.exe
    Filesize

    926KB

    MD5

    e1e8e0d2bf75e17a16e67f6464465bda

    SHA1

    e04ed93dfd3609d854ade621945cd9b04c39b983

    SHA256

    291314516707e7419f4788ef54dea6af38d460a8ddcdf30471654ec44e948ae2

    SHA512

    cc4b939c82420f4f3bc0d28fddbf8f07aa01704e17498311c067d5e179404669aac88414dbe7f580151208619464d3660dd6781c7ce3186769e2b96c00234c09

    Download Submit

  • memory/3856-11-0x0000000000BC0000-0x0000000000F36000-memory.dmp

    Filesize

    3.5MB

    Download

  • memory/3856-2-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3856-3-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3856-1-0x0000000074772000-0x0000000074773000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3856-0-0x0000000000BC0000-0x0000000000F36000-memory.dmp

    Filesize

    3.5MB

    Download

  • memory/3856-16-0x0000000000BC0000-0x0000000000F36000-memory.dmp

    Filesize

    3.5MB

    Download

  • memory/3856-17-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4996-12-0x0000000000BF0000-0x0000000000F66000-memory.dmp

    Filesize

    3.5MB

    Download

  • memory/4996-19-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4996-18-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4996-21-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4996-22-0x0000000000BF0000-0x0000000000F66000-memory.dmp

    Filesize

    3.5MB

    Download

  • memory/4996-24-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

    Download