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General

  • Target

    4363463463464363463463463.exe.zip

  • Size

    4KB

  • Sample

    250125-3a9dlavrfq

  • MD5

    16d34133af438a73419a49de605576d9

  • SHA1

    c3dbcd70359fdad8835091c714a7a275c59bd732

  • SHA256

    e4ec3a45621dd556deeea5f953fa05909c82630e9f17baf6b14272a0360d62d1

  • SHA512

    59c0272d6faa2682b7a6ce1cd414d53cc39f06035f4f38a2e206965805034bf8012b02d59f428973965136d70c89f87ac3b17b5db9c1b1d49844be182b47a3d7

  • SSDEEP

    96:xBf1inGx9SfZ+VCv3wlTDMQ1kyKXyyJNOBIKkNvL5qK+7zHf6MlYOQVPGmcEy:xBfwncSf8Cv3w9DZjKXjmBIKEvLs97D5

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

127.0.0.0.1:4782

192.168.1.101:4782

Mutex

89f58ee5-7af9-42de-843f-2a331a641e3f

Attributes
  • encryption_key

    CD4F349DEB46AEE10C2FE886E5B2BD7A766723CE

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Extracted

Family

quasar

Version

1.4.1

Botnet

main-pc

C2

192.168.100.2:4444

Mutex

979e9520-ec25-48f6-8cd4-516d1007358f

Attributes
  • encryption_key

    6B74F0C858B7E90573D4E97997F2A082B9781250

  • install_name

    main-pc.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Microsoft Service

  • subdirectory

    SubDir

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

xworm

C2

127.0.0.1:48990

147.185.221.22:48990

HITROL-60505.portmap.host:60505

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    svchost.exe

Extracted

Family

quasar

Version

1.4.1

Botnet

SGVP

C2

192.168.1.9:4782

150.129.206.176:4782

Ai-Sgvp-33452.portmap.host:33452

Mutex

a27420c6-f346-4b84-b7bd-6b3eab5a43cb

Attributes
  • encryption_key

    09BBDA8FF0524296F02F8F81158F33C0AA74D487

  • install_name

    User Application Data.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windowns Client Startup

  • subdirectory

    Quasar

Extracted

Family

xworm

Version

5.0

C2

0.tcp.eu.ngrok.io:10358

6.tcp.eu.ngrok.io:10358

4.tcp.eu.ngrok.io:10358

Mutex

md2hTRMYBpbXprs1

Attributes
  • Install_directory

    %AppData%

  • install_file

    Steam.exe

  • pastebin_url

    https://pastebin.com/raw/Pit7WkAV

  • telegram

    https://api.telegram.org/bot7494729704:AAGLY8mnPxkjjCvoEz520yCBT4GLhlnhRaI/sendMessage?chat_id=7222032715

aes.plain
aes.plain

Extracted

Family

lumma

C2

https://servicedny.site/api

https://authorisev.site/api

https://faulteyotk.site/api

https://dilemmadu.site/api

https://contemteny.site/api

https://goalyfeastz.site/api

https://opposezmny.site/api

https://seallysl.site/api

https://ponintnykqwm.shop/api

Extracted

Family

lokibot

C2

http://bauxx.xyz/mtk1/w2/fre.php

http://kbfvzoboss.bid/alien/fre.php

http://alphastand.trade/alien/fre.php

http://alphastand.win/alien/fre.php

http://alphastand.top/alien/fre.php

Extracted

Family

quasar

Version

1.4.1

Botnet

ZJEB

C2

VIPEEK1990-25013.portmap.host:25013

Mutex

ad21b115-2c1b-40cb-adba-a50736b76c21

Attributes
  • encryption_key

    3EBA8BC34FA983893A9B07B831E7CEB183F7492D

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Security Service

  • subdirectory

    SubDir

Extracted

Family

vidar

C2

https://t.me/sc1phell

https://steamcommunity.com/profiles/76561199819539662

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:136.0) Gecko/20100101 Firefox/136.0

Extracted

Family

discordrat

Attributes
  • discord_token

    MTAyOTM3NzcyMzcxNTU1OTQ2NA.G7rtDA.iVKPgXW9sMwRqiFimO_Rdc0nXAigNycwugkM4k

  • server_id

    696661218521251871

Extracted

Family

asyncrat

Version

| CRACKED BY https://t.me/xworm_v2

Botnet

SolaraFake

C2

anyone-blogging.gl.at.ply.gg:22284

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    Windows.exe

  • install_folder

    %Temp%

aes.plain

Extracted

Family

gurcu

C2

https://api.telegram.org/bot6338125361:AAFHgK-I9epBYaZIY8qosT_ZBDd6uU7zgHc/sendMessage?chat_id=1242905715

Targets

    • Target

      4363463463464363463463463.exe.zip

    • Size

      4KB

    • MD5

      16d34133af438a73419a49de605576d9

    • SHA1

      c3dbcd70359fdad8835091c714a7a275c59bd732

    • SHA256

      e4ec3a45621dd556deeea5f953fa05909c82630e9f17baf6b14272a0360d62d1

    • SHA512

      59c0272d6faa2682b7a6ce1cd414d53cc39f06035f4f38a2e206965805034bf8012b02d59f428973965136d70c89f87ac3b17b5db9c1b1d49844be182b47a3d7

    • SSDEEP

      96:xBf1inGx9SfZ+VCv3wlTDMQ1kyKXyyJNOBIKkNvL5qK+7zHf6MlYOQVPGmcEy:xBfwncSf8Cv3w9DZjKXjmBIKEvLs97D5

    • Detect Xworm Payload

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • A potential corporate email address has been identified in the URL: [email protected]

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops autorun.inf file

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

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • UPX packed file

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

    • 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 Vidar Stealer

    • Detect Xworm Payload

    • Discord RAT

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

    • Discordrat family

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu aka WhiteSnake is a malware stealer written in C#.

    • Lokibot

      Lokibot is a Password and CryptoCoin Wallet Stealer.

    • Lokibot family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Async RAT payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible privilege escalation attempt

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Stops running service(s)

    • Uses browser remote debugging

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

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops autorun.inf file

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

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks