General

  • Target

    f37caf1332fe729273767e8839d95abc.exe

  • Size

    231KB

  • Sample

    220417-qy359shgg8

  • MD5

    f37caf1332fe729273767e8839d95abc

  • SHA1

    485fc320582b7c2ce5f9ec1c329cca82e331d3dd

  • SHA256

    450fe551f9989c51ae6b8ad556b22c4f34076f1cc61d2ffdfab5c55522d6e210

  • SHA512

    5c6e72643f33898134195f5a8b19c9f56066d2e8f16f9032b8bd54dba185b33b5dc877d14e941c59bba2b312fe95931c875cb8f39fd20dfd2ef9a4d9d690882f

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://hydroxychl0roquine.xyz/

https://hydroxychl0roquine.xyz/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

@ChelnEvreya

C2

46.8.220.88:65531

Attributes
  • auth_value

    d24bb0cd8742d0e0fba1abfab06e4005

Extracted

Family

redline

Botnet

cheat

C2

91.199.137.32:29712

Extracted

Family

redline

Botnet

install

C2

193.150.103.38:40169

Attributes
  • auth_value

    7b121606198c8456e17d49ab8c2d0e42

Extracted

Family

arkei

Botnet

Default

C2

http://92.119.160.244/Biasdmxit.php

Targets

    • Target

      f37caf1332fe729273767e8839d95abc.exe

    • Size

      231KB

    • MD5

      f37caf1332fe729273767e8839d95abc

    • SHA1

      485fc320582b7c2ce5f9ec1c329cca82e331d3dd

    • SHA256

      450fe551f9989c51ae6b8ad556b22c4f34076f1cc61d2ffdfab5c55522d6e210

    • SHA512

      5c6e72643f33898134195f5a8b19c9f56066d2e8f16f9032b8bd54dba185b33b5dc877d14e941c59bba2b312fe95931c875cb8f39fd20dfd2ef9a4d9d690882f

    • Arkei

      Arkei is an infostealer written in C++.

    • Modifies WinLogon for persistence

    • 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.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Winlogon Helper DLL

1
T1004

Scheduled Task

1
T1053

Hidden Files and Directories

1
T1158

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Hidden Files and Directories

1
T1158

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks