Overview

overview

10

Static

static

10

JaffaCakes...9d.exe

windows7-x64

10

JaffaCakes...9d.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 10:40

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General

  • Target

    JaffaCakes118_862e4e4902c92c8460b8b6c6b801e17a85796eca72726b6bcecdeef4b94d9c9d.exe

  • Size

    136KB

  • MD5

    45be08e749966dbd68da23949b292a2a

  • SHA1

    88544f36fee08240cb613928fff8c6defe1874e1

  • SHA256

    862e4e4902c92c8460b8b6c6b801e17a85796eca72726b6bcecdeef4b94d9c9d

  • SHA512

    609b1ac87803ade5084b56312bee1649e0f77726a424810a0b5460a9e805623c2b7dab6a1ceefda684ae0cba059b73cf1753031f9287695623e0450b94c8b88f

  • SSDEEP

    768:DgumV10bTC/WtDNGurM+rMRa8Nu0StVJGX1LwB7iwQYXoAi2HhcM:DxmVavKWtDgx+gRJNfhX

Score
10/10
njrathackeddiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

5.tcp.eu.ngrok.io:1604

Mutex

c85924cb70275ae8efa9b738950f28f5

Attributes
  • reg_key

    c85924cb70275ae8efa9b738950f28f5

  • splitter

    |'|'|

Signatures

  • Njrat family
    njrat
  • 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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • 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 35 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_862e4e4902c92c8460b8b6c6b801e17a85796eca72726b6bcecdeef4b94d9c9d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_862e4e4902c92c8460b8b6c6b801e17a85796eca72726b6bcecdeef4b94d9c9d.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Users\Admin\AppData\Roaming\Windows Defender.exe
      "C:\Users\Admin\AppData\Roaming\Windows Defender.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:2692
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Windows Defender.exe" "Windows Defender.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2580
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /F /IM Windows Defender.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:2532

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

Web Service

1
T1102

Exfiltration

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Windows Defender.exe
    Filesize

    136KB

    MD5

    45be08e749966dbd68da23949b292a2a

    SHA1

    88544f36fee08240cb613928fff8c6defe1874e1

    SHA256

    862e4e4902c92c8460b8b6c6b801e17a85796eca72726b6bcecdeef4b94d9c9d

    SHA512

    609b1ac87803ade5084b56312bee1649e0f77726a424810a0b5460a9e805623c2b7dab6a1ceefda684ae0cba059b73cf1753031f9287695623e0450b94c8b88f

    Download Submit

  • memory/2692-12-0x0000000074030000-0x00000000745DB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2692-11-0x0000000074030000-0x00000000745DB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2692-22-0x0000000074030000-0x00000000745DB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3012-0-0x0000000074031000-0x0000000074032000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3012-1-0x0000000074030000-0x00000000745DB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3012-2-0x0000000074030000-0x00000000745DB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3012-10-0x0000000074030000-0x00000000745DB000-memory.dmp

    Filesize

    5.7MB

    Download