General

  • Target

    bf7343e0fc5657555c842a8e06e04d791cc2f5e280cfedda0a12e1a90426a7b1

  • Size

    843KB

  • Sample

    230411-mecbnade41

  • MD5

    71c74d1444b5866602beeecc9d107077

  • SHA1

    3acbaf9189c58c4876384cdfecd96e5bc69901a4

  • SHA256

    bf7343e0fc5657555c842a8e06e04d791cc2f5e280cfedda0a12e1a90426a7b1

  • SHA512

    04d2aa94d40ed5d56167ca04529cd0768d9cf96767bd85256fe4c7c197179aed8d6ae5b35fae744c55d6d8e1b2d22ee42596281214497c03d2799a4a9248ad42

  • SSDEEP

    12288:8MrRy90XDst92z/L7AftDrWBAbYksGGGzqlxnPWd5QOkerX7OQHPxA:NyyDsL2QJKgYksCzqlxn+d+OkerqKA

Malware Config

Extracted

Family

redline

Botnet

rosn

C2

176.113.115.145:4125

Attributes
  • auth_value

    050a19e1db4d0024b0f23b37dcf961f4

Extracted

Family

redline

Botnet

nahui

C2

176.113.115.145:4125

Attributes
  • auth_value

    b9ed10946d21e28d58d0c72c535cde6f

Extracted

Family

amadey

Version

3.70

C2

77.91.124.207/plays/chapter/index.php

Targets

    • Target

      bf7343e0fc5657555c842a8e06e04d791cc2f5e280cfedda0a12e1a90426a7b1

    • Size

      843KB

    • MD5

      71c74d1444b5866602beeecc9d107077

    • SHA1

      3acbaf9189c58c4876384cdfecd96e5bc69901a4

    • SHA256

      bf7343e0fc5657555c842a8e06e04d791cc2f5e280cfedda0a12e1a90426a7b1

    • SHA512

      04d2aa94d40ed5d56167ca04529cd0768d9cf96767bd85256fe4c7c197179aed8d6ae5b35fae744c55d6d8e1b2d22ee42596281214497c03d2799a4a9248ad42

    • SSDEEP

      12288:8MrRy90XDst92z/L7AftDrWBAbYksGGGzqlxnPWd5QOkerX7OQHPxA:NyyDsL2QJKgYksCzqlxn+d+OkerqKA

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • 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.

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks