General

  • Target

    f90803b5519f092b2eb5d7c4be63209e.exe

  • Size

    922KB

  • Sample

    231012-jwhcfshh38

  • MD5

    f90803b5519f092b2eb5d7c4be63209e

  • SHA1

    82e08ce9761bdbb93656f858c2c88db523c3fda7

  • SHA256

    e7d92bfaeeff01c784455549f9a7d139b9bb3f7f475af558eb9284bc44ca90df

  • SHA512

    083386933c1cb19d772a87f3a19c617c6f5716767c4d66f0dcdb8519ded4370467c9bda5560b53af84ee597af6a4f34e10e1f29aab45768adc71430d62b70bc8

  • SSDEEP

    12288:1lsWEx2dAVuu9i4ytnfZFbZVfV5TjzxTvob43IubL5cnDsdLCAek:rsW62dAV99i4yttV/33mA5

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

kukish

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

pixelscloud

C2

85.209.176.171:80

Extracted

Family

redline

Botnet

@ytlogsbot

C2

185.216.70.238:37515

Targets

    • Target

      f90803b5519f092b2eb5d7c4be63209e.exe

    • Size

      922KB

    • MD5

      f90803b5519f092b2eb5d7c4be63209e

    • SHA1

      82e08ce9761bdbb93656f858c2c88db523c3fda7

    • SHA256

      e7d92bfaeeff01c784455549f9a7d139b9bb3f7f475af558eb9284bc44ca90df

    • SHA512

      083386933c1cb19d772a87f3a19c617c6f5716767c4d66f0dcdb8519ded4370467c9bda5560b53af84ee597af6a4f34e10e1f29aab45768adc71430d62b70bc8

    • SSDEEP

      12288:1lsWEx2dAVuu9i4ytnfZFbZVfV5TjzxTvob43IubL5cnDsdLCAek:rsW62dAV99i4yttV/33mA5

    • 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.

    • 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

    • 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