Analysis

  • max time kernel
    146s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14-04-2024 01:43

General

  • Target

    d6ddb50a5c9f484e89fc63cd7bdab796b63c91ba6034271df5c17aa1919bccb5.exe

  • Size

    107KB

  • MD5

    d0560b1ff5ba43a589cd96b269fab094

  • SHA1

    bb0dda16de1c2be8ce1e2867c3868e7fad8eb07e

  • SHA256

    d6ddb50a5c9f484e89fc63cd7bdab796b63c91ba6034271df5c17aa1919bccb5

  • SHA512

    e5a5135391b2fc3c987f856f53884c53b7f5d1d46178450184d6d7af9a78716105e33c005d91e75a0495aa9b908c52a0efbdb96ac22f082ac5da33c8790954b4

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBK:w5eznsjsguGDFqGx8egoxmOQ

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d6ddb50a5c9f484e89fc63cd7bdab796b63c91ba6034271df5c17aa1919bccb5.exe
    "C:\Users\Admin\AppData\Local\Temp\d6ddb50a5c9f484e89fc63cd7bdab796b63c91ba6034271df5c17aa1919bccb5.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
      "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2520
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2488
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          PID:2568

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Roaming\confuse\chargeable.exe
    Filesize

    107KB

    MD5

    381fe1903f7ee5474cbadb522dc81cf4

    SHA1

    65dedf5423bb6a77eb55a25649533d7c522cd805

    SHA256

    c610a04de3168c997c9331c3f44c3ae8dfee1d9cdf39cda304f5f033b46c53e8

    SHA512

    e538740e0a6c7fdcbcceedefa7f22b2cdaed913b8f31a0f98dc8805099ca5de3755179c7e072e26f9cfa049f93557e108a13a6a3f3449b0c5d89de033d2f45be

  • memory/2488-22-0x0000000000400000-0x000000000040C000-memory.dmp
    Filesize

    48KB

  • memory/2488-24-0x0000000000400000-0x000000000040C000-memory.dmp
    Filesize

    48KB

  • memory/2488-28-0x00000000747D0000-0x0000000074D7B000-memory.dmp
    Filesize

    5.7MB

  • memory/2488-27-0x00000000747D0000-0x0000000074D7B000-memory.dmp
    Filesize

    5.7MB

  • memory/2488-26-0x00000000747D0000-0x0000000074D7B000-memory.dmp
    Filesize

    5.7MB

  • memory/2488-19-0x0000000000400000-0x000000000040C000-memory.dmp
    Filesize

    48KB

  • memory/2520-18-0x00000000747D0000-0x0000000074D7B000-memory.dmp
    Filesize

    5.7MB

  • memory/2520-16-0x00000000747D0000-0x0000000074D7B000-memory.dmp
    Filesize

    5.7MB

  • memory/2520-25-0x00000000747D0000-0x0000000074D7B000-memory.dmp
    Filesize

    5.7MB

  • memory/2520-17-0x0000000002080000-0x00000000020C0000-memory.dmp
    Filesize

    256KB

  • memory/2872-0-0x00000000747D0000-0x0000000074D7B000-memory.dmp
    Filesize

    5.7MB

  • memory/2872-2-0x00000000747D0000-0x0000000074D7B000-memory.dmp
    Filesize

    5.7MB

  • memory/2872-15-0x00000000747D0000-0x0000000074D7B000-memory.dmp
    Filesize

    5.7MB

  • memory/2872-1-0x0000000000E10000-0x0000000000E50000-memory.dmp
    Filesize

    256KB