Overview

overview

10

Static

static

10

fc7ed11225...18.exe

windows7-x64

10

fc7ed11225...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-09-2024 14:30

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General

  • Target

    fc7ed11225707bb03a06a6e3b6b06f04_JaffaCakes118.exe

  • Size

    31KB

  • MD5

    fc7ed11225707bb03a06a6e3b6b06f04

  • SHA1

    ecda25ee858992a96c1d01e65ab359ef33da8c9b

  • SHA256

    434c3b5ab0a2b53e04e4cdf6df69ab626919e3f5b9cffde95e178fe975d463b4

  • SHA512

    02a33c11e26614320a707bc5f8ec89cfad3e23aef596759071ebc7b76702602eb56717f4d3be7711370cc8b749a7be28bdadd7299957b614ecf5ed47d6ab8c82

  • SSDEEP

    768:m7h0/b13hdwzxLy3mMzS/LYVvshQmIDUu0ti7Usj:44Z6wYyQQVkaj

Score
10/10
njratzombiediscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Zombie

C2

tmvlflt.p-e.kr:1

Mutex

bd9defde5bca6ae254f0613ef4c03b4a

Attributes
  • reg_key

    bd9defde5bca6ae254f0613ef4c03b4a

  • splitter

    Y262SUCZ4UJJ

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
  • 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 use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc7ed11225707bb03a06a6e3b6b06f04_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fc7ed11225707bb03a06a6e3b6b06f04_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2648
    • C:\Users\Admin\AppData\Roaming\Windows64.exe
      "C:\Users\Admin\AppData\Roaming\Windows64.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2688
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Windows64.exe" "Windows64.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2652

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

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Windows64.exe
    Filesize

    31KB

    MD5

    fc7ed11225707bb03a06a6e3b6b06f04

    SHA1

    ecda25ee858992a96c1d01e65ab359ef33da8c9b

    SHA256

    434c3b5ab0a2b53e04e4cdf6df69ab626919e3f5b9cffde95e178fe975d463b4

    SHA512

    02a33c11e26614320a707bc5f8ec89cfad3e23aef596759071ebc7b76702602eb56717f4d3be7711370cc8b749a7be28bdadd7299957b614ecf5ed47d6ab8c82

    Download Submit

  • memory/2648-0-0x0000000073E51000-0x0000000073E52000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2648-1-0x0000000073E50000-0x00000000743FB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2648-2-0x0000000073E50000-0x00000000743FB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2648-10-0x0000000073E50000-0x00000000743FB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2688-11-0x0000000073E50000-0x00000000743FB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2688-13-0x0000000073E50000-0x00000000743FB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2688-12-0x0000000073E50000-0x00000000743FB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2688-15-0x0000000073E50000-0x00000000743FB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2688-16-0x0000000073E50000-0x00000000743FB000-memory.dmp

    Filesize

    5.7MB

    Download