General

  • Target

    b1e850e30a528ecabd41dbf08d7a8d8e38af48374ef448e46eed4b0eb70b936a

  • Size

    679KB

  • Sample

    230323-z4rh4acb8v

  • MD5

    8a2f3fe72bcac8e607b934afb00b5b70

  • SHA1

    cae20739164bbe1aec203285336db2eff879d499

  • SHA256

    b1e850e30a528ecabd41dbf08d7a8d8e38af48374ef448e46eed4b0eb70b936a

  • SHA512

    9312c0721cc13a12b233c16e1d5b3521de55f8e3ea6a49a0136235191d9777ef5454b664f3885e70e44d73b72f5483d80abba237d3851f3dbf1c86c45b5340fb

  • SSDEEP

    12288:WGHIGD4gZKt4U5Mu3iTTKJ2e32cc8M1o/SldCnGoxkqeYBndoehW8ArY+v4:J/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

      b1e850e30a528ecabd41dbf08d7a8d8e38af48374ef448e46eed4b0eb70b936a

    • Size

      679KB

    • MD5

      8a2f3fe72bcac8e607b934afb00b5b70

    • SHA1

      cae20739164bbe1aec203285336db2eff879d499

    • SHA256

      b1e850e30a528ecabd41dbf08d7a8d8e38af48374ef448e46eed4b0eb70b936a

    • SHA512

      9312c0721cc13a12b233c16e1d5b3521de55f8e3ea6a49a0136235191d9777ef5454b664f3885e70e44d73b72f5483d80abba237d3851f3dbf1c86c45b5340fb

    • SSDEEP

      12288:WGHIGD4gZKt4U5Mu3iTTKJ2e32cc8M1o/SldCnGoxkqeYBndoehW8ArY+v4:J/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