General

  • Target

    4a147d7d897eb580b372ade588dcf1c1.exe

  • Size

    1.1MB

  • Sample

    231009-aawhhsgg5w

  • MD5

    4a147d7d897eb580b372ade588dcf1c1

  • SHA1

    d4edac822250f1537c5d06167dc844ee9aaa7f29

  • SHA256

    5e20f93b13e745880d9d70586d15868da85938f422ccea8fb4829ca4afac2c8e

  • SHA512

    0da14421bd51be5ace273ddaeb5f54f04af686b3d7fb6d4d992636b25b0c06ec337be9d13bdac6e2b61c6f62b2493fd5f8c126dfdbdc44659cf086dfa3dfa671

  • SSDEEP

    24576:Cy/9R/JROLKtriJRkItLgyibU1r8EK4B4GByPZpAYQG6DWF8ng:plR/LOLKxiJWegypr8EKvGchpw5yF

Malware Config

Extracted

Family

redline

Botnet

magia

C2

77.91.124.55:19071

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

lutyr

C2

77.91.124.55:19071

Targets

    • Target

      4a147d7d897eb580b372ade588dcf1c1.exe

    • Size

      1.1MB

    • MD5

      4a147d7d897eb580b372ade588dcf1c1

    • SHA1

      d4edac822250f1537c5d06167dc844ee9aaa7f29

    • SHA256

      5e20f93b13e745880d9d70586d15868da85938f422ccea8fb4829ca4afac2c8e

    • SHA512

      0da14421bd51be5ace273ddaeb5f54f04af686b3d7fb6d4d992636b25b0c06ec337be9d13bdac6e2b61c6f62b2493fd5f8c126dfdbdc44659cf086dfa3dfa671

    • SSDEEP

      24576:Cy/9R/JROLKtriJRkItLgyibU1r8EK4B4GByPZpAYQG6DWF8ng:plR/LOLKxiJWegypr8EKvGchpw5yF

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • 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