General

  • Target

    c56936ed9bcb76fe8ee2069618cf3b509fe6cf4c73c1fb53723596077ab1f5fa.zip

  • Size

    1.5MB

  • Sample

    240402-l7km3aec7v

  • MD5

    a29bc9b87590ec5fbbcd4f6ef647d50b

  • SHA1

    6d5e235b37f58069918dfb8875ed768c0262e1ec

  • SHA256

    eeee6bc6727089fe7e35810e1b293978aa2f0df98a8f1d6cfa55493de0c5e1fe

  • SHA512

    bc6d6a32ae433f781f4780279cd58c90133ffe028c265bca5a0e347510ae618b91e3bff9553a1d4875b17daaec421bc071e63bdb3b0e6c36ae470cc76fc266e6

  • SSDEEP

    24576:gw/kwST66LWsxOFJc8Sgu72/gse0io7lcFshg6zL8bkwbJbg7N/KfF8:sy67T8zgse0ioB1gg8AiMNifq

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

grome

C2

77.91.124.86:19084

Extracted

Family

amadey

Version

3.89

C2

http://77.91.124.1

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

  • url_paths

    /theme/index.php

rc4.plain

Targets

    • Target

      c56936ed9bcb76fe8ee2069618cf3b509fe6cf4c73c1fb53723596077ab1f5fa.exe

    • Size

      1.6MB

    • MD5

      d7ac39bafca00876be0923660c93e691

    • SHA1

      3c9ef605a454e34dd9a9fd62e9b6708264845bd4

    • SHA256

      c56936ed9bcb76fe8ee2069618cf3b509fe6cf4c73c1fb53723596077ab1f5fa

    • SHA512

      a975964dfb6185d16cf41ad750d085bfe7073c22b0109c475e0e9df2e16cfca504e5dc1a7eff787a05d1b3f8b0175a93315d3c164629128bf492f13c4916ecba

    • SSDEEP

      49152:CVxCYUkZjoWq8qAE7Gqp+LsIwq5C5SEaJ7:oA1YjV2F7pq5CdaJ7

    • 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.

    • Detect Mystic stealer payload

    • Modifies Windows Defender Real-time Protection settings

    • Mystic

      Mystic is an infostealer written in C++.

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Tasks