Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 20:57

General

  • Target

    38c3bb0ce12b441c4c7d0d8cf868d2f07c8e5e0c42145e10c862714ac6605ea5.exe

  • Size

    4.5MB

  • MD5

    dffd2fce567161f37421a166ee4ba488

  • SHA1

    37c361e94b279567f9a4773dcee2037717885aab

  • SHA256

    38c3bb0ce12b441c4c7d0d8cf868d2f07c8e5e0c42145e10c862714ac6605ea5

  • SHA512

    813b32bcead67450d8e37927a155fd2a4579d5d2a979b91561cb8762c1b2caa935a6f384aa9ca9a4d16ad6f2db685e431fe39eff5552a5f78a9f5473abc31761

  • SSDEEP

    49152:AW3LEpveaAbphpKKSKKaKKKKjKKYcQSinYDKxlFkbnaIJ:

Malware Config

Extracted

Family

xworm

Version

3.1

C2

adult-purchased.gl.at.ply.gg:13795

Mutex

SDsGs8jdu1MveW6y

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

njrat

Version

0.7d

Botnet

HaCkEd bY LoKn

C2

customers-edmonton.gl.at.ply.gg:28608

Mutex

5a0e6576524fad771bccf79eb40f7eca

Attributes
  • reg_key

    5a0e6576524fad771bccf79eb40f7eca

  • splitter

    |'|'|

Signatures

  • Detect Xworm Payload 1 IoCs
  • Njrat family
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • 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 1 IoCs
  • Adds Run key to start application 2 TTPs 2 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.

  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38c3bb0ce12b441c4c7d0d8cf868d2f07c8e5e0c42145e10c862714ac6605ea5.exe
    "C:\Users\Admin\AppData\Local\Temp\38c3bb0ce12b441c4c7d0d8cf868d2f07c8e5e0c42145e10c862714ac6605ea5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1316
    • C:\ProgramData\svchost.exe
      "C:\ProgramData\svchost.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3884
      • C:\Windows\SYSTEM32\netsh.exe
        netsh firewall add allowedprogram "C:\ProgramData\svchost.exe" "svchost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:3752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\svchost.exe

    Filesize

    4.5MB

    MD5

    dffd2fce567161f37421a166ee4ba488

    SHA1

    37c361e94b279567f9a4773dcee2037717885aab

    SHA256

    38c3bb0ce12b441c4c7d0d8cf868d2f07c8e5e0c42145e10c862714ac6605ea5

    SHA512

    813b32bcead67450d8e37927a155fd2a4579d5d2a979b91561cb8762c1b2caa935a6f384aa9ca9a4d16ad6f2db685e431fe39eff5552a5f78a9f5473abc31761

  • memory/1316-0-0x00007FFC72ED3000-0x00007FFC72ED5000-memory.dmp

    Filesize

    8KB

  • memory/1316-1-0x0000000000160000-0x00000000005F2000-memory.dmp

    Filesize

    4.6MB

  • memory/1316-2-0x0000000000DB0000-0x0000000000DBE000-memory.dmp

    Filesize

    56KB

  • memory/1316-3-0x000000001B380000-0x000000001B532000-memory.dmp

    Filesize

    1.7MB

  • memory/1316-4-0x00007FFC72ED0000-0x00007FFC73991000-memory.dmp

    Filesize

    10.8MB

  • memory/1316-5-0x0000000000DC0000-0x0000000000DCC000-memory.dmp

    Filesize

    48KB

  • memory/1316-6-0x00007FFC72ED3000-0x00007FFC72ED5000-memory.dmp

    Filesize

    8KB

  • memory/1316-7-0x00007FFC72ED0000-0x00007FFC73991000-memory.dmp

    Filesize

    10.8MB

  • memory/1316-20-0x00007FFC72ED0000-0x00007FFC73991000-memory.dmp

    Filesize

    10.8MB

  • memory/3884-21-0x00007FFC72ED0000-0x00007FFC73991000-memory.dmp

    Filesize

    10.8MB

  • memory/3884-22-0x00007FFC72ED0000-0x00007FFC73991000-memory.dmp

    Filesize

    10.8MB