Overview

overview

10

Static

static

7

fd81559b63...18.exe

windows7-x64

10

fd81559b63...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2024 19:47

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General

  • Target

    fd81559b6306752301046f3ece315cc0_JaffaCakes118.exe

  • Size

    212KB

  • MD5

    fd81559b6306752301046f3ece315cc0

  • SHA1

    e01bd2848d2f1089616e2192a0b32610b1b2af21

  • SHA256

    660241a57d748ee90e1d43bf735a415ef6668fb1ab2d8f8d3531f9583b3721c3

  • SHA512

    1f32ce72f078d178af2e4a54ca55d8e66b56b1cde096626e9481c4418ab3e5028f6543be1e402f69244b2bee0108f8ebdb9e0ae534af3ee6eef874b72f1902bb

  • SSDEEP

    3072:PJacj8v7wQ+ZGx7w8wjjP8I1IU8RjrzzvUWAOZjfKdLnYP:PJPgv7wJZ87wBjYI1IUwrIOZyYP

Score
10/10
njrathackedevasionpersistencetrojanupx

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

Hacked

C2

abdo95.ddns.net:1177

Mutex

ed6e2bf930f6d35b3ac57c049d10ac2c

Attributes
  • reg_key

    ed6e2bf930f6d35b3ac57c049d10ac2c

  • 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 2 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • 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).

  • Suspicious behavior: EnumeratesProcesses 50 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd81559b6306752301046f3ece315cc0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fd81559b6306752301046f3ece315cc0_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c test.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:668
      • C:\Users\Admin\AppData\Local\Temp\test.exe
        test.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1136
        • C:\Users\Admin\AppData\Local\Temp\Explorer.exe
          "C:\Users\Admin\AppData\Local\Temp\Explorer.exe"
          4⤵
          • Drops startup file
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1340
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Explorer.exe" "Explorer.exe" ENABLE
            5⤵
            • Modifies Windows Firewall
            PID:1256

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

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

    29KB

    MD5

    fc42513e45503d510fb011bbb309e51e

    SHA1

    e9741466f6e68dadb9e874f12d5b62fe14693741

    SHA256

    766240fd9026a04e4a7f20240f699133eef24a969e242afdd471ad0a179cefe3

    SHA512

    0f2a88f96a8a47abe062ccca986d2b3d98310374629c9067b19dbfeb73f23ba411b3ca5ae3877684770fb2d25947305b42c38a913a329e6220de6cd5d539a8ca

    Download Submit
  • memory/1136-17-0x0000000075370000-0x0000000075921000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1136-5-0x0000000075370000-0x0000000075921000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1136-6-0x0000000075370000-0x0000000075921000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1136-7-0x0000000001090000-0x00000000010A0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1340-19-0x0000000000A00000-0x0000000000A10000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1340-18-0x0000000075370000-0x0000000075921000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1340-21-0x0000000075370000-0x0000000075921000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1340-23-0x0000000000A00000-0x0000000000A10000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1340-24-0x0000000000A00000-0x0000000000A10000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1340-25-0x0000000075370000-0x0000000075921000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1340-26-0x0000000000A00000-0x0000000000A10000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1536-0-0x0000000000400000-0x0000000000498000-memory.dmp
    Filesize

    608KB

    Download
  • memory/1536-22-0x0000000000400000-0x0000000000498000-memory.dmp
    Filesize

    608KB

    Download