General

  • Target

    ef4120738a47b4449d2b0241cc2fe2b4a9438df89bc66aa4367f47016e3393a0

  • Size

    546KB

  • Sample

    230324-aqb4tada8s

  • MD5

    9f7b373c511cf425ae017b66db8e9b81

  • SHA1

    1bac6652a1ce1c9715ab94eb7844e4bdcb7f7836

  • SHA256

    ef4120738a47b4449d2b0241cc2fe2b4a9438df89bc66aa4367f47016e3393a0

  • SHA512

    ef547f431c01aa81be0ef160612d596eb000dec35369433e4678510f0bc97cb576027e5a14bf9b2f77fd0599518b824c77c8dac748597f696e22abb857b5d596

  • SSDEEP

    12288:GMr0y90gL8NRFdFbDnUbdvD58OstgwLXljDB5XHF7JER:myDsJxzvpD3Q

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

      ef4120738a47b4449d2b0241cc2fe2b4a9438df89bc66aa4367f47016e3393a0

    • Size

      546KB

    • MD5

      9f7b373c511cf425ae017b66db8e9b81

    • SHA1

      1bac6652a1ce1c9715ab94eb7844e4bdcb7f7836

    • SHA256

      ef4120738a47b4449d2b0241cc2fe2b4a9438df89bc66aa4367f47016e3393a0

    • SHA512

      ef547f431c01aa81be0ef160612d596eb000dec35369433e4678510f0bc97cb576027e5a14bf9b2f77fd0599518b824c77c8dac748597f696e22abb857b5d596

    • SSDEEP

      12288:GMr0y90gL8NRFdFbDnUbdvD58OstgwLXljDB5XHF7JER:myDsJxzvpD3Q

    • 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