General

  • Target

    file.exe

  • Size

    252KB

  • Sample

    221115-vrdz1sag6y

  • MD5

    70075eac1599464a546afda1c2028dd8

  • SHA1

    285e267df0284b63add74d1396ae7d0efbf736a1

  • SHA256

    a978a24ccca9fb55bf873e33e1186a0afd54a17d96cc5ee735f626339a2000f1

  • SHA512

    dbca8475fc401f59df5c285dad1969200bfd9e1ea87057261be5bbad123e48e5efd2240bb0bf982189f75590a062e812329b8d882318b5fa1674279f60a8c216

  • SSDEEP

    3072:pymvfUmT5qE9mpcme3ixQEZXNQY9h4983A6kX/7eBqEvQjAPyTsIGZhbPJOFRz:RMj3rxQy9VA6kfE2nObhOF

Malware Config

Extracted

Family

redline

Botnet

boy

C2

77.73.134.241:4691

Attributes
  • auth_value

    a91fa8cc2cfaefc42a23c03faef44bd3

Targets

    • Target

      file.exe

    • Size

      252KB

    • MD5

      70075eac1599464a546afda1c2028dd8

    • SHA1

      285e267df0284b63add74d1396ae7d0efbf736a1

    • SHA256

      a978a24ccca9fb55bf873e33e1186a0afd54a17d96cc5ee735f626339a2000f1

    • SHA512

      dbca8475fc401f59df5c285dad1969200bfd9e1ea87057261be5bbad123e48e5efd2240bb0bf982189f75590a062e812329b8d882318b5fa1674279f60a8c216

    • SSDEEP

      3072:pymvfUmT5qE9mpcme3ixQEZXNQY9h4983A6kX/7eBqEvQjAPyTsIGZhbPJOFRz:RMj3rxQy9VA6kfE2nObhOF

    • Amadey

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

    • Detect Amadey credential stealer module

    • RedLine

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

    • RedLine payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • 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

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks