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General

  • Target

    ee71c06dd3be0dc446332865efe81e5433d9b1a679cb8aade839a17379fda5da_JC.exe

  • Size

    1.3MB

  • Sample

    230923-x8ghksab3w

  • MD5

    47b71dd381f7c798944b0f137803f3a9

  • SHA1

    887714d31fee90b70fb6adc2598a5d6ba110807d

  • SHA256

    ee71c06dd3be0dc446332865efe81e5433d9b1a679cb8aade839a17379fda5da

  • SHA512

    a6a49757b88dfc6898ed65686a0cc485a498e65e45a4cba0704155fb525d0720f860573304b605c2dec5917d77427f94b04d2435aafb3e74a76223cfd1c7fb7d

  • SSDEEP

    24576:dyZpEwtiE7hgnY5c8l8Ugdg2GxKf13RMElW6R+Ie5M36bZ7GRT6GrOiGI:4ZpEwtr715c8CFiA1BX/Be31Pi

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

Targets

    • Target

      ee71c06dd3be0dc446332865efe81e5433d9b1a679cb8aade839a17379fda5da_JC.exe

    • Size

      1.3MB

    • MD5

      47b71dd381f7c798944b0f137803f3a9

    • SHA1

      887714d31fee90b70fb6adc2598a5d6ba110807d

    • SHA256

      ee71c06dd3be0dc446332865efe81e5433d9b1a679cb8aade839a17379fda5da

    • SHA512

      a6a49757b88dfc6898ed65686a0cc485a498e65e45a4cba0704155fb525d0720f860573304b605c2dec5917d77427f94b04d2435aafb3e74a76223cfd1c7fb7d

    • SSDEEP

      24576:dyZpEwtiE7hgnY5c8l8Ugdg2GxKf13RMElW6R+Ie5M36bZ7GRT6GrOiGI:4ZpEwtr715c8CFiA1BX/Be31Pi

    • Detects Healer an antivirus disabler dropper

    • 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.

    • Detected potential entity reuse from brand microsoft.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks