Resubmissions

03-02-2025 03:04

250203-dkkqjszkhq 10

03-02-2025 02:21

250203-cs7plsylfr 10

03-02-2025 02:20

250203-csf7nawqbz 10

02-02-2025 21:21

250202-z7mdjsylhx 3

02-02-2025 18:40

250202-xbfvsawpaq 10

02-02-2025 18:19

250202-wyncpstlfw 10

24-01-2025 01:23

250124-br1z1asnhz 10

24-01-2025 00:12

250124-ag75wssjak 10

28-11-2024 02:19

241128-cr9sks1kht 10

27-11-2024 21:08

241127-zyzyaawqgn 10

General

  • Target

    Downloaders.zip

  • Size

    12KB

  • Sample

    250203-cs7plsylfr

  • MD5

    94fe78dc42e3403d06477f995770733c

  • SHA1

    ea6ba4a14bab2a976d62ea7ddd4940ec90560586

  • SHA256

    16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267

  • SHA512

    add85726e7d2c69068381688fe84defe820f600e6214eff029042e3002e9f4ad52dde3b8bb28f4148cca1b950cd54d3999ce9e8445c4562d1ef2efdb1c6bdeff

  • SSDEEP

    384:6BfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWB:efACW6Dr8HWTHWB

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

127.0.0.0.1:4782

interestingsigma.hopto.org:20

193.161.193.99:20466

testinghigger-42471.portmap.host:42471

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

darkcomet

Botnet

BROUTEUR

C2

voltazur.ddns.net:1604

Mutex

DC_MUTEX-CLRHTUN

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    cVxQXF1dUQRM

  • install

    true

  • offline_keylogger

    false

  • persistence

    true

  • reg_key

    MicroUpdate

Extracted

Family

lumma

C2

https://scriptyprefej.store/api

https://navygenerayk.store/api

https://founpiuer.store/api

https://necklacedmny.store/api

https://thumbystriw.store/api

https://fadehairucw.store/api

https://crisiwarny.store/api

https://presticitpo.store/api

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

asyncrat

Version

0.5.8

Botnet

Default

C2

192.168.0.14:4343

18.ip.gl.ply.gg:6606

18.ip.gl.ply.gg:7707

18.ip.gl.ply.gg:8808

18.ip.gl.ply.gg:9028

38.240.58.195:6606

6.tcp.eu.ngrok.io:12925

Mutex

a1OON3Evw1pM

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain
aes.plain
aes.plain
aes.plain

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

2464c7bf-a165-4397-85fe-def5290750b0

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

quasar

Version

1.4.0.0

Botnet

FakeCreal

C2

espinyskibidi-40205.portmap.host:40205

Mutex

CdrjrrWbtRopP1ic7E

Attributes
  • encryption_key

    HXEHSwyN1GHqlZUqunrd

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Client

  • subdirectory

    Microsoft

Extracted

Family

xworm

C2

127.0.0.1:6000

103.211.201.109:6000

127.0.0.1:48990

147.185.221.22:48990

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

  • telegram

    https://api.telegram.org/bot7929370892:AAGwrX5TeyxQidZdAEm_Z6-CDvPUOQzVY1M

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Office04

C2

217.195.197.192:1604

Mutex

iG5Qu7mo7JWZRWS2JY

Attributes
  • encryption_key

    f8ffk4jC3Ygnfr2GgGiB

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7617703274:AAFEXxgPRP1fZGT5UCjcRV4hUZdtNFxyusQ/sendMessage?chat_id=-4568449403

http://209.38.221.184:8080

http://46.235.26.83:8080

http://147.28.185.29:80

http://206.166.251.4:8080

http://51.159.4.50:8080

http://167.235.70.96:8080

http://194.164.198.113:8080

http://132.145.17.167:9090

https://5.196.181.135:443

http://116.202.101.219:8080

https://185.217.98.121:443

http://185.217.98.121:8080

http://159.203.174.113:8090

http://107.161.20.142:8080

https://192.99.196.191:443

http://65.49.205.24:8080

https://154.9.207.142:443

http://67.230.176.97:8080

http://8.222.143.111:8080

Extracted

Family

redline

Botnet

testx

C2

193.203.238.86:1912

Extracted

Family

quasar

Version

1.4.1

Botnet

sigorta

C2

18.198.25.148:1604

Mutex

af7e773d-541a-46fd-87d3-06bb0a26aab9

Attributes
  • encryption_key

    D306945220105109C86E6E257D749CE885E76091

  • 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

hacked-fud1

C2

192.168.100.10:1412

Mutex

a685d3ed-d174-40b7-9655-c2bfab3ed130

Attributes
  • encryption_key

    2A5F3DAC380078962166175BD172DE2D4AA07E26

  • install_name

    fud2.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Microsoft Service

  • subdirectory

    SubDir

Extracted

Family

quasar

Version

1.4.0

Botnet

Target

C2

127.0.0.1:6070

affasdqa.ddns.net:6070

haffasdqa.duckdns.org:6070

Mutex

670d21b7-71ed-4958-9ba7-a58fa54d8203

Attributes
  • encryption_key

    25B2622CE0635F9A273AB61B1B7D7B94220AC509

  • install_name

    svhoste.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    svhoste

  • subdirectory

    SubDir

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

127.0.0.1:8080

127.0.0.1:18274

6.tcp.eu.ngrok.io:6606

6.tcp.eu.ngrok.io:7707

6.tcp.eu.ngrok.io:8808

6.tcp.eu.ngrok.io:8080

6.tcp.eu.ngrok.io:18274

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7929370892:AAGwrX5TeyxQidZdAEm_Z6-CDvPUOQzVY1M/sendMessage?chat_id=-4538387273

Targets

    • Target

      Downloaders.zip

    • Size

      12KB

    • MD5

      94fe78dc42e3403d06477f995770733c

    • SHA1

      ea6ba4a14bab2a976d62ea7ddd4940ec90560586

    • SHA256

      16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267

    • SHA512

      add85726e7d2c69068381688fe84defe820f600e6214eff029042e3002e9f4ad52dde3b8bb28f4148cca1b950cd54d3999ce9e8445c4562d1ef2efdb1c6bdeff

    • SSDEEP

      384:6BfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWB:efACW6Dr8HWTHWB

    • AsyncRat

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

    • Asyncrat family

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    • Darkcomet family

    • Detect Umbral payload

    • Detect Xworm Payload

    • Gurcu family

    • Gurcu, WhiteSnake

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

    • Hive

      A ransomware written in Golang first seen in June 2021.

    • Hive family

    • Lumma Stealer, LummaC

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

    • Lumma family

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • NanoCore

      NanoCore is a remote access tool (RAT) with a variety of capabilities.

    • Nanocore family

    • Njrat family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • RedLine

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

    • RedLine payload

    • Redline family

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

    • Umbral family

    • Windows security bypass

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Async RAT payload

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

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

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Event Triggered Execution: Image File Execution Options Injection

    • Modifies Windows Firewall

    • Possible privilege escalation attempt

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Sets service image path in registry

    • Uses browser remote debugging

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

    • .NET Reactor proctector

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

    • 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

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Uses the VBS compiler for execution

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Windows security modification

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Enumerates connected drives

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

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

    • 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.

    • Detected potential entity reuse from brand MICROSOFT.

    • Drops autorun.inf file

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

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks