General

  • Target

    98c87f7bf1ae6e9f987c44c85fbc12586f463896ed3016cfd6791a7087bf56ba

  • Size

    679KB

  • Sample

    230323-1m8lqacc9y

  • MD5

    37c3e6d01c3057f33f65954ffc21b60b

  • SHA1

    e884088b20ddcdbe5a78983756c5d6dcf4ef6b44

  • SHA256

    98c87f7bf1ae6e9f987c44c85fbc12586f463896ed3016cfd6791a7087bf56ba

  • SHA512

    493d9a1b396022c3856d56ce1d417d5206469de8f3029f3108bd7663ee5f9d1fc7423a792afa4c1fc8f0bf7835740272d2d6ef93a4f953035b0fc87ac1fcc838

  • SSDEEP

    12288:+GHIGD4gZKt4U5Mu3iTTKJ2e32cc8M1o/SldCnGoxkqeYBndoehW8ArY+v4:x/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

      98c87f7bf1ae6e9f987c44c85fbc12586f463896ed3016cfd6791a7087bf56ba

    • Size

      679KB

    • MD5

      37c3e6d01c3057f33f65954ffc21b60b

    • SHA1

      e884088b20ddcdbe5a78983756c5d6dcf4ef6b44

    • SHA256

      98c87f7bf1ae6e9f987c44c85fbc12586f463896ed3016cfd6791a7087bf56ba

    • SHA512

      493d9a1b396022c3856d56ce1d417d5206469de8f3029f3108bd7663ee5f9d1fc7423a792afa4c1fc8f0bf7835740272d2d6ef93a4f953035b0fc87ac1fcc838

    • SSDEEP

      12288:+GHIGD4gZKt4U5Mu3iTTKJ2e32cc8M1o/SldCnGoxkqeYBndoehW8ArY+v4:x/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