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General

  • Target

    file.exe

  • Size

    1.4MB

  • Sample

    230920-vypebshf81

  • MD5

    748b2d86b4a88da177bd92331e79986e

  • SHA1

    3971c0981eacb1c7d6efec7617eeb7097f6d3d98

  • SHA256

    9ed376f6a207601c6cd314a0475feca5ba4b0ff3077b048a8eeaac0aab30d4ac

  • SHA512

    e4d0693553b9dd49bfaea7b5f619124c0fe1d743a6df9475dc54ed5874f5cf1eb422e6bea41cb89d77b4258856766908f32832eca8d25e3d52562110a7000901

  • SSDEEP

    24576:UyMrGd44yJPRGgqOy0v2uO3RLBYVVqyp0b9z7dZS+0ESDdnOdCXVKWiwT8HHnrn:jMrGQRGghU3Avqq0Z3/iESpnOdGrYnrc

Malware Config

Extracted

Family

redline

Botnet

trush

C2

77.91.124.82:19071

Attributes
  • auth_value

    c13814867cde8193679cd0cad2d774be

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

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

fabookie

C2

http://app.nnnaajjjgc.com/check/safe

Targets

    • Target

      file.exe

    • Size

      1.4MB

    • MD5

      748b2d86b4a88da177bd92331e79986e

    • SHA1

      3971c0981eacb1c7d6efec7617eeb7097f6d3d98

    • SHA256

      9ed376f6a207601c6cd314a0475feca5ba4b0ff3077b048a8eeaac0aab30d4ac

    • SHA512

      e4d0693553b9dd49bfaea7b5f619124c0fe1d743a6df9475dc54ed5874f5cf1eb422e6bea41cb89d77b4258856766908f32832eca8d25e3d52562110a7000901

    • SSDEEP

      24576:UyMrGd44yJPRGgqOy0v2uO3RLBYVVqyp0b9z7dZS+0ESDdnOdCXVKWiwT8HHnrn:jMrGQRGghU3Avqq0Z3/iESpnOdGrYnrc

    • Detect Fabookie payload

    • Detects Healer an antivirus disabler dropper

    • Fabookie

      Fabookie is facebook account info stealer.

    • Glupteba

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

    • Glupteba payload

    • 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.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • 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.

    • Uses the VBS compiler for execution

    • 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