General

  • Target

    fc978c9b2fecbef42bfc7ddf8d835b571c216fd0579bf325799032e9e9b05372

  • Size

    546KB

  • Sample

    230323-3bjjkaag64

  • MD5

    6f34b526345fa58405c90cee3b10cfa2

  • SHA1

    6e2cccfb5a8fd6e62f44ad5cd54d7e1586b9a87f

  • SHA256

    fc978c9b2fecbef42bfc7ddf8d835b571c216fd0579bf325799032e9e9b05372

  • SHA512

    b9daa71c3e2968dc661cff5ef2a03ea7035b35c044818b6d8ab4edd5ff701892cfb0bb3618a95a0808903f555a972e769950592fb0c80a8de347e1bca0877c7d

  • SSDEEP

    12288:uMruy90kUQKMMj7sVUGF9HnzTbst4RaZc9e:syBUQ7Mj7WUGr3248c9e

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

      fc978c9b2fecbef42bfc7ddf8d835b571c216fd0579bf325799032e9e9b05372

    • Size

      546KB

    • MD5

      6f34b526345fa58405c90cee3b10cfa2

    • SHA1

      6e2cccfb5a8fd6e62f44ad5cd54d7e1586b9a87f

    • SHA256

      fc978c9b2fecbef42bfc7ddf8d835b571c216fd0579bf325799032e9e9b05372

    • SHA512

      b9daa71c3e2968dc661cff5ef2a03ea7035b35c044818b6d8ab4edd5ff701892cfb0bb3618a95a0808903f555a972e769950592fb0c80a8de347e1bca0877c7d

    • SSDEEP

      12288:uMruy90kUQKMMj7sVUGF9HnzTbst4RaZc9e:syBUQ7Mj7WUGr3248c9e

    • 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