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General

  • Target

    f8ed25a26cb7dd2d994ce2c66cb0c7e4e077aa2c3834eb434dbfcf6ea2b41028

  • Size

    1.5MB

  • Sample

    231024-hfsb2sbc5y

  • MD5

    d755572d755b945ac32b7b2e7702b599

  • SHA1

    0d1b2fbb4f949ef97e991d316613952663d5ab6f

  • SHA256

    f8ed25a26cb7dd2d994ce2c66cb0c7e4e077aa2c3834eb434dbfcf6ea2b41028

  • SHA512

    5bc1125f2cc11cb40f7b892cac2fc91cb0e4ed3ffb642a0f8ff755886fdc41b9d0effc30e65779f9f000f94478c9ab47ea29c9ceb47f42581ecbc0bea7b58f5b

  • SSDEEP

    24576:DywGFL8DEJ9jfEDMkZ3lKGrpMRyOwTCZoHMBK5VGGmjM8LkuUO1mn1/ZTb7:WF8gZA8ylTbMBK5VGGmjM8LEvn1/ZTb

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

grome

C2

77.91.124.86:19084

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

kinza

C2

77.91.124.86:19084

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

Targets

    • Target

      f8ed25a26cb7dd2d994ce2c66cb0c7e4e077aa2c3834eb434dbfcf6ea2b41028

    • Size

      1.5MB

    • MD5

      d755572d755b945ac32b7b2e7702b599

    • SHA1

      0d1b2fbb4f949ef97e991d316613952663d5ab6f

    • SHA256

      f8ed25a26cb7dd2d994ce2c66cb0c7e4e077aa2c3834eb434dbfcf6ea2b41028

    • SHA512

      5bc1125f2cc11cb40f7b892cac2fc91cb0e4ed3ffb642a0f8ff755886fdc41b9d0effc30e65779f9f000f94478c9ab47ea29c9ceb47f42581ecbc0bea7b58f5b

    • SSDEEP

      24576:DywGFL8DEJ9jfEDMkZ3lKGrpMRyOwTCZoHMBK5VGGmjM8LkuUO1mn1/ZTb7:WF8gZA8ylTbMBK5VGGmjM8LEvn1/ZTb

    • Amadey

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

    • 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

    • Blocklisted process makes network request

    • 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.

    • UPX packed file

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

    • 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

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Detected potential entity reuse from brand microsoft.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks