General

  • Target

    b76bf391392987fcb77029bb49b0b790.exe

  • Size

    707KB

  • Sample

    230411-n3fjnadh6y

  • MD5

    b76bf391392987fcb77029bb49b0b790

  • SHA1

    9c0f990fb694e77ed514d40ae70f3df15559116a

  • SHA256

    5f39096e0d82e84b77fdd6e4b82becc807943ae78c4d7b0fb349893bfde37d02

  • SHA512

    6d01dec2573d0246b949b3521615aad3ef4bc08f1e0ed21936bb91cc09caf060af382c87f95fc6c08b691abfc07c0a866d698b0daacbf67ab9dd857763d21519

  • SSDEEP

    12288:XMr1y90gFYbc00WvENemP9goX2ODsz3Ec/P15u7tmPT4p52Wv9R6BkW/g:OyTF2PvEN5P9gRPz3Ec/95u7eTQuBl/g

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

      b76bf391392987fcb77029bb49b0b790.exe

    • Size

      707KB

    • MD5

      b76bf391392987fcb77029bb49b0b790

    • SHA1

      9c0f990fb694e77ed514d40ae70f3df15559116a

    • SHA256

      5f39096e0d82e84b77fdd6e4b82becc807943ae78c4d7b0fb349893bfde37d02

    • SHA512

      6d01dec2573d0246b949b3521615aad3ef4bc08f1e0ed21936bb91cc09caf060af382c87f95fc6c08b691abfc07c0a866d698b0daacbf67ab9dd857763d21519

    • SSDEEP

      12288:XMr1y90gFYbc00WvENemP9goX2ODsz3Ec/P15u7tmPT4p52Wv9R6BkW/g:OyTF2PvEN5P9gRPz3Ec/95u7eTQuBl/g

    • 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