General

  • Target

    file.exe

  • Size

    251KB

  • Sample

    221112-avl5kscf46

  • MD5

    9200f1ce034123708f20d0ec5e3fe24c

  • SHA1

    2f155571b16a04df0586ccdad0aa9d0f88cabc63

  • SHA256

    4d75f10d3bc192a274ec9a8b1109dbe14c8af8e00e5f060a7f85100a6d1ac4cb

  • SHA512

    3ef49149de93d9f19ee4b238ab42890dd71ed90ec2cd401ae68f0c72f586991288b236ccd2ebb6c835ae648e2745e33643006c967abf5afe38b72e9c7ca3f820

  • SSDEEP

    6144:t+V0uXaO4xLJF81mJy9Il9C9lnLuUUtqFXg:t+V0uXaO4xlF81riCHLuU9e

Malware Config

Extracted

Family

redline

Botnet

boy

C2

77.73.134.241:4691

Attributes
  • auth_value

    a91fa8cc2cfaefc42a23c03faef44bd3

Targets

    • Target

      file.exe

    • Size

      251KB

    • MD5

      9200f1ce034123708f20d0ec5e3fe24c

    • SHA1

      2f155571b16a04df0586ccdad0aa9d0f88cabc63

    • SHA256

      4d75f10d3bc192a274ec9a8b1109dbe14c8af8e00e5f060a7f85100a6d1ac4cb

    • SHA512

      3ef49149de93d9f19ee4b238ab42890dd71ed90ec2cd401ae68f0c72f586991288b236ccd2ebb6c835ae648e2745e33643006c967abf5afe38b72e9c7ca3f820

    • SSDEEP

      6144:t+V0uXaO4xLJF81mJy9Il9C9lnLuUUtqFXg:t+V0uXaO4xlF81riCHLuU9e

    • 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