General

  • Target

    a9e9af73bd85bb03263f1fe9e516954d7b0df9694bb746eabb3ea3e98810e9c4

  • Size

    546KB

  • Sample

    230324-apgb5sda7z

  • MD5

    51d49fd03202e0d6bf533cf31baabef6

  • SHA1

    2b7ef843f141693d846cb4c88978fd0c4ddda21e

  • SHA256

    a9e9af73bd85bb03263f1fe9e516954d7b0df9694bb746eabb3ea3e98810e9c4

  • SHA512

    b996a82015a33d0c2141c73b758037c1a2dc5b15e0e75f93a164126a64866ee75fee260fbcfd7926f2739993c75759694bb67798a111a0016aaa096b8f38fca0

  • SSDEEP

    12288:bMrAy90zQ2gxKPejDK5d3tzpstBwLXljsHZK8ustaG:jySPmA+Ups5K8Ltx

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

      a9e9af73bd85bb03263f1fe9e516954d7b0df9694bb746eabb3ea3e98810e9c4

    • Size

      546KB

    • MD5

      51d49fd03202e0d6bf533cf31baabef6

    • SHA1

      2b7ef843f141693d846cb4c88978fd0c4ddda21e

    • SHA256

      a9e9af73bd85bb03263f1fe9e516954d7b0df9694bb746eabb3ea3e98810e9c4

    • SHA512

      b996a82015a33d0c2141c73b758037c1a2dc5b15e0e75f93a164126a64866ee75fee260fbcfd7926f2739993c75759694bb67798a111a0016aaa096b8f38fca0

    • SSDEEP

      12288:bMrAy90zQ2gxKPejDK5d3tzpstBwLXljsHZK8ustaG:jySPmA+Ups5K8Ltx

    • 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