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General

  • Target

    1af4a1a93832576a896d1a2b24da5df2bd3ace8dbce78d1d4ecddc608df1ef71.zip

  • Size

    329KB

  • Sample

    231022-vksjtsbc5v

  • MD5

    96542720ae1088c6b42de213b62dd4a8

  • SHA1

    22e814a1019fd66bf363e49853f93a036bf5fc3f

  • SHA256

    93ec7fe8105dc1d57d378d6367aed184d9fcda857ab8d91d08b830d61621764b

  • SHA512

    615805651776f6808543a798804e1752ed97f99b912769fdf09fa369e64f74797a1a898dc90f5a1f90c73569f9e7bf404452551c6ede8630343fbaa2c3deef97

  • SSDEEP

    6144:fN6i4ES6Ax2SoBiapakKKphcg2SJ/2LL4L4e1xwRULk5kXSqgWvrcg:fMcjAcjpKKphz2S52v2j1KRUnXSUv1

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

homed

C2

109.107.182.133:19084

Extracted

Family

amadey

Version

3.89

C2

http://77.91.124.1/theme/index.php

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

rc4.plain

Extracted

Family

redline

Botnet

kinder

C2

109.107.182.133:19084

Extracted

Family

redline

Botnet

5141679758_99

C2

https://pastebin.com/raw/8baCJyMF

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

YT&TEAM CLOUD

C2

185.216.70.238:37515

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

89.23.100.93:4449

Mutex

oonrejgwedvxwse

Attributes
  • delay

    1

  • install

    true

  • install_file

    calc.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      1af4a1a93832576a896d1a2b24da5df2bd3ace8dbce78d1d4ecddc608df1ef71.exe

    • Size

      916KB

    • MD5

      a46554cb25cbf644fed5cb198aaccbb0

    • SHA1

      21123f6058c2df025175211de8b024237ce9234a

    • SHA256

      1af4a1a93832576a896d1a2b24da5df2bd3ace8dbce78d1d4ecddc608df1ef71

    • SHA512

      aa74f6639be7d3e032ac838ab0563d25264c7a8104462458f6ad97cdfeaee59a49fdacc627e68c862c771d388d46148b2ef5fd881c492085b18234beef48ae06

    • SSDEEP

      24576:NUmtwAOC4b6HtHHHHHHHHHHHEsydhVrjeyQ:JOC4b6NHHHHHHHHHHHahP

    • 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.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Async RAT payload

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Stops running service(s)

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks