General

  • Target

    57f5543391ec0db0f7dd280dc79f85a1.exe

  • Size

    271KB

  • Sample

    231009-j82xmadf74

  • MD5

    57f5543391ec0db0f7dd280dc79f85a1

  • SHA1

    24829776a9f5b865f5406f7974c4e68f41633947

  • SHA256

    de13d1af635e4a5c491cd6e6935a145caed67365db9a4212f94f59a41ff0f87b

  • SHA512

    54ea0dfc3666939d842425fe4ba5c44cdf0c9b7b2d4afd42f8f8fd8be2b4186af5c05518aba00d90fc78805b6f421a74b6879f3f5d338d8e8c84d0b54f682a80

  • SSDEEP

    6144:gDlfTqHz6GV3Dmsiwyf0LvfhYuJAOUrFI27t9WAQrQS:gDl7QzZV36YLquJ8F/7urQS

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
1
0x4b3b02b6
rc4.i32
1
0x6ea683ed

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
1
006700e5a2ab05704bbb0c589b88924d

Extracted

Family

amadey

Version

3.83

C2

http://5.42.65.80/8bmeVwqx/index.php

Attributes
  • install_dir

    207aa4515d

  • install_file

    oneetx.exe

  • strings_key

    3e634dd0840c68ae2ced83c2be7bf0d4

rc4.plain
1
07c6bc37dc50874878dcb010336ed906

Extracted

Family

redline

Botnet

magia

C2

77.91.124.55:19071

Extracted

Family

redline

Botnet

lutyr

C2

77.91.124.55:19071

Targets

    • Target

      57f5543391ec0db0f7dd280dc79f85a1.exe

    • Size

      271KB

    • MD5

      57f5543391ec0db0f7dd280dc79f85a1

    • SHA1

      24829776a9f5b865f5406f7974c4e68f41633947

    • SHA256

      de13d1af635e4a5c491cd6e6935a145caed67365db9a4212f94f59a41ff0f87b

    • SHA512

      54ea0dfc3666939d842425fe4ba5c44cdf0c9b7b2d4afd42f8f8fd8be2b4186af5c05518aba00d90fc78805b6f421a74b6879f3f5d338d8e8c84d0b54f682a80

    • SSDEEP

      6144:gDlfTqHz6GV3Dmsiwyf0LvfhYuJAOUrFI27t9WAQrQS:gDl7QzZV36YLquJ8F/7urQS

    • 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.

    • Detected google phishing page

    • Detects Healer an antivirus disabler dropper

    • Healer

      Healer an antivirus disabler dropper.

    • 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.

    • Downloads MZ/PE file

    • 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 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks

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