General

  • Target

    file

  • Size

    875KB

  • Sample

    231015-gjkwpsdb6y

  • MD5

    b1d76d2582af0d87956397a4dcde404c

  • SHA1

    04a4259c6121d20cd64391e56aafdcfe6932c8a6

  • SHA256

    19841d4bf762605703c70a3e69104f9302c9ef30268baec518e4d09c943d98b8

  • SHA512

    0dd8f4f8eabce6f653173d73d5d68756d2a3a3aafa44f9b279b79b991b34e3585bfa9ccbf8689fcb59a30c4634e86909fa8850ea549519657b72fce8039f652b

  • SSDEEP

    24576:Hyy+etF1Zhqkmyve0KWsxlCopsVbdYxYPn:Sy+gZ3mym06fCo69

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

breha

C2

77.91.124.55:19071

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

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

Extracted

Family

redline

Botnet

pixelscloud2.0

C2

85.209.176.128:80

Extracted

Family

redline

Botnet

@ytlogsbot

C2

185.216.70.238:37515

Extracted

Family

redline

Botnet

kukish

C2

77.91.124.55:19071

Targets

    • Target

      file

    • Size

      875KB

    • MD5

      b1d76d2582af0d87956397a4dcde404c

    • SHA1

      04a4259c6121d20cd64391e56aafdcfe6932c8a6

    • SHA256

      19841d4bf762605703c70a3e69104f9302c9ef30268baec518e4d09c943d98b8

    • SHA512

      0dd8f4f8eabce6f653173d73d5d68756d2a3a3aafa44f9b279b79b991b34e3585bfa9ccbf8689fcb59a30c4634e86909fa8850ea549519657b72fce8039f652b

    • SSDEEP

      24576:Hyy+etF1Zhqkmyve0KWsxlCopsVbdYxYPn:Sy+gZ3mym06fCo69

    • 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.

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT 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.

    • Uses the VBS compiler for execution

    • 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