General

  • Target

    0e366505a9e9b65e9a25ff21df15d910b15243fee4dcb6fb2ea9eb6d5be9a935

  • Size

    679KB

  • Sample

    230323-zf1rvsca4s

  • MD5

    71eed74636595cdd4c19fcb18042b0ac

  • SHA1

    99a08b1023cd8c1029c42ced691bbc05bcdcf08b

  • SHA256

    0e366505a9e9b65e9a25ff21df15d910b15243fee4dcb6fb2ea9eb6d5be9a935

  • SHA512

    abd3ed35ccaf256ff031a37590d6a42defdd8468ebdc3fb0c9af2ecffea94cb1db67aca15b3ac2449a057e922638f5664cc8407486ee2ed80eca8847239fb53a

  • SSDEEP

    12288:OGHIGD4gZKt4U5Mu3iTTKJ2e32cc8M1o/SldCnGoxkqeYBndoehW8ArY+v4:h/HeDoTKwC2r8mldwGWkCoevSY+A

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

real

C2

193.233.20.31:4125

Attributes
  • auth_value

    bb22a50228754849387d5f4d1611e71b

Targets

    • Target

      0e366505a9e9b65e9a25ff21df15d910b15243fee4dcb6fb2ea9eb6d5be9a935

    • Size

      679KB

    • MD5

      71eed74636595cdd4c19fcb18042b0ac

    • SHA1

      99a08b1023cd8c1029c42ced691bbc05bcdcf08b

    • SHA256

      0e366505a9e9b65e9a25ff21df15d910b15243fee4dcb6fb2ea9eb6d5be9a935

    • SHA512

      abd3ed35ccaf256ff031a37590d6a42defdd8468ebdc3fb0c9af2ecffea94cb1db67aca15b3ac2449a057e922638f5664cc8407486ee2ed80eca8847239fb53a

    • SSDEEP

      12288:OGHIGD4gZKt4U5Mu3iTTKJ2e32cc8M1o/SldCnGoxkqeYBndoehW8ArY+v4:h/HeDoTKwC2r8mldwGWkCoevSY+A

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • Executes dropped EXE

    • 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

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Tasks