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General

  • Target

    4363463463464363463463463.exe.zip

  • Size

    4KB

  • Sample

    250117-shlbmasqgv

  • MD5

    7b2b0ccc6317a6becadaf5e02311202e

  • SHA1

    ccad99b8fad61369101e068f0c3a5bec9cfa309f

  • SHA256

    bd948aeb2b607b34e8d32f22b9e5aee402057adebae4a2e0c70bd666e688f1f8

  • SHA512

    b7af04ee0792d2a13ffd7013e7c5f98cf037f06f8597e4f3261af04252137483ff7fcb7db28c60a543f130ac65307cd1c7a831c2267fa78a91f9acdcc535744a

  • SSDEEP

    96:ALOzCoGgabugh2Yu8fjMIsSv3JGHUrD5gf2jxkS7xQIKWV7YNgGptaT+YaL:ALObGgabf88jgcxR1NWIXWgGpo74

Malware Config

Extracted

Family

meduza

C2

62.60.217.159

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    xss

  • extensions

    .txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite

  • grabber_max_size

    1.048576e+06

  • port

    15666

  • self_destruct

    true

Extracted

Family

quasar

Version

1.4.0

Botnet

Office04

C2

192.168.31.99:4782

2001:4bc9:1f98:a4e::676:4782

255.255.255.0:4782

fe80::cabf:4cff:fe84:9572%17:4782

Mutex

1f65a787-81b8-4955-95e4-b7751e10cd50

Attributes
  • encryption_key

    A0B82A50BBC49EC084E3E53A9E34DF58BD7050B9

  • install_name

    Neverlose Loader.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Java Updater

  • subdirectory

    SubDir

Extracted

Family

njrat

Version

v2.0

Botnet

HacKed

C2

heo.ddns.net:5552

Mutex

Windows

Attributes
  • reg_key

    Windows

  • splitter

    |-F-|

Extracted

Family

metasploit

Version

windows/reverse_tcp

C2

89.197.154.116:7810

Extracted

Family

quasar

Version

1.4.1

Botnet

kys

C2

192.168.100.2:4444

Mutex

87964754-44e1-4ed3-a66e-f8de30cfe006

Attributes
  • encryption_key

    6B74F0C858B7E90573D4E97997F2A082B9781250

  • install_name

    Panel.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Panel

  • subdirectory

    SubDir

Extracted

Family

xworm

C2

HITROL-60505.portmap.host:60505

26.185.184.104:942

26.185.184.104:0942

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

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

remcos

Botnet

dynu

C2

borc.gleeze.com:2425

memoki.gleeze.com:2426

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    losts.dat

  • keylog_flag

    false

  • keylog_folder

    look

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    -8YFPV2

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

quasar

Version

1.4.0.0

Botnet

Office

C2

82.117.243.110:5173

Mutex

edH11NGQWIdCwvLx00

Attributes
  • encryption_key

    aGPuRaDerdUDJPrAfXtB

  • install_name

    csrss.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Framework

  • subdirectory

    SubDir

Targets

    • Target

      4363463463464363463463463.exe.bin

    • Size

      10KB

    • MD5

      2a94f3960c58c6e70826495f76d00b85

    • SHA1

      e2a1a5641295f5ebf01a37ac1c170ac0814bb71a

    • SHA256

      2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce

    • SHA512

      fbf55b55fcfb12eb8c029562956229208b9e8e2591859d6336c28a590c92a4d0f7033a77c46ef6ebe07ddfca353aba1e84b51907cd774beab148ee901c92d62f

    • SSDEEP

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

    • An open source browser data exporter written in golang.

    • AsyncRat

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

    • Asyncrat family

    • Detect Xworm Payload

    • HackBrowserData

      An open source golang web browser extractor.

    • Hackbrowserdata family

    • Meduza

      Meduza is a crypto wallet and info stealer written in C++.

    • Meduza Stealer payload

    • Meduza family

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Metasploit family

    • Njrat family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Remcos family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Async RAT payload

    • 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

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Accesses Microsoft Outlook profiles

    • Checks installed software on the system

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

    • 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 file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks