Resubmissions

09-04-2024 08:32

240409-kfg77aaf85 10

09-04-2024 08:32

240409-kfglnaaf84 10

09-04-2024 08:32

240409-kffz5aea2y 10

09-04-2024 08:32

240409-kffpcsaf79 10

11-03-2024 08:03

240311-jxm94afe6y 10

10-03-2024 15:15

240310-snee9sfd3y 10

General

  • Target

    FUCKER.exe

  • Size

    10KB

  • Sample

    240409-kfglnaaf84

  • MD5

    2a94f3960c58c6e70826495f76d00b85

  • SHA1

    e2a1a5641295f5ebf01a37ac1c170ac0814bb71a

  • SHA256

    2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce

  • SHA512

    fbf55b55fcfb12eb8c029562956229208b9e8e2591859d6336c28a590c92a4d0f7033a77c46ef6ebe07ddfca353aba1e84b51907cd774beab148ee901c92d62f

  • SSDEEP

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

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

185.196.10.233:4782

Mutex

a244256d-314d-4857-83fe-790ac24d7897

Attributes
  • encryption_key

    0EC03133971030F6D05E6D59F71626F6543BBE65

  • install_name

    gfdgfdg.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    fgfdhdgg

  • subdirectory

    gfgfgf

Extracted

Family

amadey

Version

4.18

C2

http://185.172.128.3

Attributes
  • install_dir

    One_Dragon_Center

  • install_file

    MSI.CentralServer.exe

  • strings_key

    fd2f5851d3165c210396dcbe9930d294

  • url_paths

    /QajE3OBS/index.php

rc4.plain

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

KZ1

C2

77.232.132.25:5001

Mutex

AsyncMutex_6SI8OJU68

Attributes
  • delay

    3

  • install

    false

  • install_file

    service.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

quasar

Version

1.4.1

Botnet

KZ1

C2

77.232.132.25:4999

Mutex

8892f097-602a-41ca-8df2-0bf3fd113bd2

Attributes
  • encryption_key

    790BD6D1C1540AE1BFB811F2DC1E0185525C5DCB

  • install_name

    LestaClient.exe

  • log_directory

    LestaLogs

  • reconnect_delay

    3000

  • startup_key

    Lesta Game Center

  • subdirectory

    Lesta

Extracted

Family

redline

Botnet

666

C2

195.20.16.103:18305

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • install_dir

    00c07260dc

  • install_file

    explorgu.exe

  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Extracted

Family

redline

Botnet

@systemadminbd

C2

172.86.101.115:4483

Extracted

Family

vidar

Version

8.6

Botnet

72f54d93118188013f2386eef7e5cc05

C2

https://steamcommunity.com/profiles/76561199658817715

https://t.me/sa9ok

Attributes
  • profile_id_v2

    72f54d93118188013f2386eef7e5cc05

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Extracted

Family

redline

Botnet

LiveTraffic

C2

4.185.137.132:1632

20.218.68.91:7690

Extracted

Family

xworm

C2

163.5.215.245:9049

Mutex

r3SLo8kx59hai6gX

aes.plain

Extracted

Family

risepro

C2

37.120.237.196:50500

Extracted

Family

redline

Botnet

@OLEH_PSP

C2

185.172.128.33:8970

Targets

    • Target

      FUCKER.exe

    • Size

      10KB

    • MD5

      2a94f3960c58c6e70826495f76d00b85

    • SHA1

      e2a1a5641295f5ebf01a37ac1c170ac0814bb71a

    • SHA256

      2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce

    • SHA512

      fbf55b55fcfb12eb8c029562956229208b9e8e2591859d6336c28a590c92a4d0f7033a77c46ef6ebe07ddfca353aba1e84b51907cd774beab148ee901c92d62f

    • SSDEEP

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

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • AsyncRat

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

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect Vidar Stealer

    • Detect Xworm Payload

    • Detect ZGRat V1

    • ParallaxRat

      ParallaxRat is a multipurpose RAT written in MASM.

    • ParallaxRat payload

      Detects payload of Parallax Rat, a small portable Rat usually digitally signed with a Sectigo certificate.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • PureLog Stealer

      PureLog Stealer is an infostealer written in C#.

    • PureLog Stealer payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

    • Raccoon Stealer V2 payload

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Async RAT payload

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • XMRig Miner payload

    • Creates new service(s)

    • Dave packer

      Detects executable using a packer named 'Dave' by the community, based on a string at the end.

    • Downloads MZ/PE file

    • Sets file execution options in registry

    • Stops running service(s)

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • UPX packed file

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • 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.

    • Modifies powershell logging option

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks