General

  • Target

    f1f156e52ff0f345a03b78f1b52e616225816a4ee2094a385a21636e1e3a433e

  • Size

    773KB

  • Sample

    230608-k9pjcseb3t

  • MD5

    cdfde6899ae1a4dfec19f5e9cfd66c8f

  • SHA1

    44be8d7bf20b5f89bb4f15ee10881cf168bb4b2a

  • SHA256

    f1f156e52ff0f345a03b78f1b52e616225816a4ee2094a385a21636e1e3a433e

  • SHA512

    b7720a8caf873f808f1c122e8087ea42e8c95462be67991fcc48319e640cf70207363856ab13746743d7c11bb533e80d7f6773d189543425ace4aa765b7c9c3a

  • SSDEEP

    12288:OMrCy90sZTeI3otBJptI3Uyj2oZLZV7jX3FR/mEig0OAbx7NDkdzc:8yFa5BJpqhKo3V7yCA7Dmc

Malware Config

Extracted

Family

redline

Botnet

maxi

C2

83.97.73.129:19068

Attributes
  • auth_value

    6a3f22e5f4209b056a3fd330dc71956a

Extracted

Family

redline

Botnet

sheron

C2

83.97.73.129:19068

Attributes
  • auth_value

    2d067e7e2372227d3a03b335260112e9

Targets

    • Target

      f1f156e52ff0f345a03b78f1b52e616225816a4ee2094a385a21636e1e3a433e

    • Size

      773KB

    • MD5

      cdfde6899ae1a4dfec19f5e9cfd66c8f

    • SHA1

      44be8d7bf20b5f89bb4f15ee10881cf168bb4b2a

    • SHA256

      f1f156e52ff0f345a03b78f1b52e616225816a4ee2094a385a21636e1e3a433e

    • SHA512

      b7720a8caf873f808f1c122e8087ea42e8c95462be67991fcc48319e640cf70207363856ab13746743d7c11bb533e80d7f6773d189543425ace4aa765b7c9c3a

    • SSDEEP

      12288:OMrCy90sZTeI3otBJptI3Uyj2oZLZV7jX3FR/mEig0OAbx7NDkdzc:8yFa5BJpqhKo3V7yCA7Dmc

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • 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.

    • Suspicious use of SetThreadContext

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