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Overview

overview

10

Static

static

10

JaffaCakes...30.exe

windows7-x64

10

JaffaCakes...30.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03/01/2025, 10:14

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General

  • Target

    JaffaCakes118_6be9086d115dd1b8056987f2214e9230.exe

  • Size

    23KB

  • MD5

    6be9086d115dd1b8056987f2214e9230

  • SHA1

    60810fca5ccaab8ed9dd384b0aec27fbfa18e7a3

  • SHA256

    681138b7b667d2449e2c2da65c905dc1630e3b8ff72a14db0a62587a0364b3c5

  • SHA512

    812d0d801595432b89823137e903ecb677efbd40fe4da3d1c21df12c969de4463ff2d847202715459bf2ca8295083dced18665272c08fc754f80421569f10737

  • SSDEEP

    384:ffQeCo2zmZbQHkJeCdUwBvQ61gjuQBnB9mRvR6JZlbw8hqIusZzZEW:fA5yBVd7RpcnuM

Score
10/10
njratnigguhdiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

NIGGUH

C2

iamsprey.ddns.net:1605

Mutex

4d50ff0f3a4eb213da8fe301253af367

Attributes
  • reg_key

    4d50ff0f3a4eb213da8fe301253af367

  • 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
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops file in Windows directory 1 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 use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6be9086d115dd1b8056987f2214e9230.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6be9086d115dd1b8056987f2214e9230.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Windows\dllhost.exe
      "C:\Windows\dllhost.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:2140
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Windows\dllhost.exe" "dllhost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2568

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:\Windows\dllhost.exe
    Filesize

    23KB

    MD5

    6be9086d115dd1b8056987f2214e9230

    SHA1

    60810fca5ccaab8ed9dd384b0aec27fbfa18e7a3

    SHA256

    681138b7b667d2449e2c2da65c905dc1630e3b8ff72a14db0a62587a0364b3c5

    SHA512

    812d0d801595432b89823137e903ecb677efbd40fe4da3d1c21df12c969de4463ff2d847202715459bf2ca8295083dced18665272c08fc754f80421569f10737

    Download Submit

  • memory/1728-0-0x00000000741D1000-0x00000000741D2000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1728-1-0x00000000741D0000-0x000000007477B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1728-2-0x00000000741D0000-0x000000007477B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1728-11-0x00000000741D0000-0x000000007477B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2140-9-0x00000000741D0000-0x000000007477B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2140-10-0x00000000741D0000-0x000000007477B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2140-13-0x00000000741D0000-0x000000007477B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2140-14-0x00000000741D0000-0x000000007477B000-memory.dmp

    Filesize

    5.7MB

    Download