Overview

overview

10

Static

static

10

dc30bf9e8c...18.exe

windows7-x64

10

dc30bf9e8c...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    12-09-2024 10:10

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General

  • Target

    dc30bf9e8cb09779d323ee38d22b1899_JaffaCakes118.exe

  • Size

    37KB

  • MD5

    dc30bf9e8cb09779d323ee38d22b1899

  • SHA1

    f71fcca1a7261ab6976d584b9cac2bcacef78634

  • SHA256

    e981ef67974d92e71149c2d4a15deae7459df117b7619c7ea4d9b581da0b42d0

  • SHA512

    c3df01f37a4e82c528a8b7ecf9cc20796af92a18b2cd8c684e7700b9df8069fc159c6a37a3717aa71568a4ff2911d5a0866b7eea490cca75e8909121a3210673

  • SSDEEP

    768:SJoDQmUbCv/cP1mztvWZVrM+rMRa8Nu8tt:S6DAbW0NOtOZO+gRJNr

Score
10/10
njrathackeddiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

192.168.0.14:5552

Mutex

1f944304fc89b1ac93b5268ff3ea2fff

Attributes
  • reg_key

    1f944304fc89b1ac93b5268ff3ea2fff

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops autorun.inf file 1 TTPs 5 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • 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 4 IoCs

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

    discovery
  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dc30bf9e8cb09779d323ee38d22b1899_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dc30bf9e8cb09779d323ee38d22b1899_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops autorun.inf file
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2592
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2772
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /F /IM Exsample.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

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

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\server.exe
    Filesize

    37KB

    MD5

    dc30bf9e8cb09779d323ee38d22b1899

    SHA1

    f71fcca1a7261ab6976d584b9cac2bcacef78634

    SHA256

    e981ef67974d92e71149c2d4a15deae7459df117b7619c7ea4d9b581da0b42d0

    SHA512

    c3df01f37a4e82c528a8b7ecf9cc20796af92a18b2cd8c684e7700b9df8069fc159c6a37a3717aa71568a4ff2911d5a0866b7eea490cca75e8909121a3210673

    Download Submit

  • memory/2032-0-0x0000000074711000-0x0000000074712000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2032-1-0x0000000074710000-0x0000000074CBB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2032-2-0x0000000074710000-0x0000000074CBB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2032-10-0x0000000074710000-0x0000000074CBB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2592-11-0x0000000074710000-0x0000000074CBB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2592-12-0x0000000074710000-0x0000000074CBB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2592-22-0x0000000074710000-0x0000000074CBB000-memory.dmp

    Filesize

    5.7MB

    Download