Resubmissions

08-01-2025 13:31

250108-qsdnes1qb1 10

17-12-2024 13:35

241217-qv6rzs1nhp 10

15-11-2024 19:06

241115-xr6q5szdnf 10

14-11-2024 23:35

241114-3lfknavfqg 10

14-11-2024 23:26

241114-3eysnavfje 10

14-11-2024 23:12

241114-26znlavdqq 10

General

  • Target

    4363463463464363463463463.exe

  • Size

    10KB

  • Sample

    250108-qsdnes1qb1

  • MD5

    2a94f3960c58c6e70826495f76d00b85

  • SHA1

    e2a1a5641295f5ebf01a37ac1c170ac0814bb71a

  • SHA256

    2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce

  • SHA512

    fbf55b55fcfb12eb8c029562956229208b9e8e2591859d6336c28a590c92a4d0f7033a77c46ef6ebe07ddfca353aba1e84b51907cd774beab148ee901c92d62f

  • SSDEEP

    192:xlwayyHOXGc20L7BIW12n/ePSjiTlzkGu8stYcFwVc03KY:xlwwHe/20PKn/cLTlHuptYcFwVc03K

Malware Config

Extracted

Family

xworm

Version

3.1

C2

profile-indians.gl.at.ply.gg:39017

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Extracted

Family

discordrat

Attributes
  • discord_token

    MTMxNTQxMDg0NDg3NTQ4OTI4MA.Gx5ptK.HY1OYsjGMP1MsOoyD2E7T9pCvkfHTdOPozmb_c

  • server_id

    1315411300192616569

Extracted

Family

quasar

Version

1.4.1

Botnet

Stinky

C2

ef3243fsert34.ddns.net:47820

anthonyngati.ddns.net:3872

Mutex

60cba0a9-0a63-450c-9567-57ef0e3c2e24

Attributes
  • encryption_key

    7A23123B6E1E0CCDB27477C6C7654C7BE2FEDE54

  • install_name

    sru.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    xml

  • subdirectory

    sru

Extracted

Family

quasar

Version

1.4.1

Botnet

Nigga

C2

yzs-42879.portmap.host:42879

Mutex

57d72303-b5e9-46aa-8cc4-9690809c1a9e

Attributes
  • encryption_key

    F1EBDB1862062F9265C0B5AC4D02C76D026534D0

  • install_name

    RuntimeBroker.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    Temp

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

3.70.228.168:555

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

quasar

Version

1.4.1

Botnet

Windows Client

C2

148.163.102.170:4782

Mutex

4c18e02c-7c39-4a5e-bbef-16fe13828101

Attributes
  • encryption_key

    73B0A3AC50C78E243EA93BF9E60C9BC63D63CA26

  • install_name

    Sever Startup.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Startup

  • subdirectory

    Windows Startup

Extracted

Family

quasar

Version

1.4.0.0

Botnet

Office

C2

85.192.29.60:5173

Mutex

QAPB6w0UbYXMvQdKRF

Attributes
  • encryption_key

    pxC3g4rfVijQxK1hMGwM

  • install_name

    csrss.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    NET framework

  • subdirectory

    SubDir

Targets

    • Target

      4363463463464363463463463.exe

    • Size

      10KB

    • MD5

      2a94f3960c58c6e70826495f76d00b85

    • SHA1

      e2a1a5641295f5ebf01a37ac1c170ac0814bb71a

    • SHA256

      2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce

    • SHA512

      fbf55b55fcfb12eb8c029562956229208b9e8e2591859d6336c28a590c92a4d0f7033a77c46ef6ebe07ddfca353aba1e84b51907cd774beab148ee901c92d62f

    • SSDEEP

      192:xlwayyHOXGc20L7BIW12n/ePSjiTlzkGu8stYcFwVc03KY:xlwwHe/20PKn/cLTlHuptYcFwVc03K

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat family

    • Detect Xworm Payload

    • Discord RAT

      A RAT written in C# using Discord as a C2.

    • Discordrat family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Drops startup file

    • Executes dropped EXE

    • Indicator Removal: Clear Windows Event Logs

      Clear Windows Event Logs to hide the activity of an intrusion.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks