General

  • Target

    1f5c7e49f271a5b8db3a281d063f1d5dc5abce418cd07deaa612ee48f24b5dd0.zip

  • Size

    1.5MB

  • Sample

    240402-l7fn4sec5x

  • MD5

    9aa7b16b0f7412b0a450197346da15b6

  • SHA1

    bddeae60752fe00dd162ad1ca4bd59811728b2fa

  • SHA256

    a6015ade3172535bb87437e2022488a920a29e13faf34375ec18ce4ec687f083

  • SHA512

    a4155cbc8ac1d0d114470a2bcac8e6b26c2ea79ee64aef6c957dbf01403308f0c2f91d3e9c457e8ea860e4a398d7c1571d7b8fff68f3458179048544d4c7c646

  • SSDEEP

    24576:clSu+wGFfe92mQGpez4IcOtTY5xudHUlgTYAgG42PBHlPoOvi+VYcQa58n3e/Me7:M+wGVwpjJO6gdoAgG42ZeOqbc+3egosm

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

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

Extracted

Family

redline

Botnet

grome

C2

77.91.124.86:19084

Targets

    • Target

      1f5c7e49f271a5b8db3a281d063f1d5dc5abce418cd07deaa612ee48f24b5dd0.exe

    • Size

      1.5MB

    • MD5

      38b987fb5e2aec40b13a1b24030f7c30

    • SHA1

      94e5ea5caa690ff493baf7b62aae684d17b46cf4

    • SHA256

      1f5c7e49f271a5b8db3a281d063f1d5dc5abce418cd07deaa612ee48f24b5dd0

    • SHA512

      d4fb9245bc8961952d15974fd5ef942ef93e1284fbca53881f61bed16251408b11fd4aa5beb890e24c1f5529bd21f74dd5553c2571a499d6f0ddb689ab02cdcd

    • SSDEEP

      49152:gazzeCdgvm9FXBbb/i9kezNjWWVoGKSeT:JGCdv5BH/kkmCWVCT

    • 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