General

  • Target

    bc4ae7320567ae4ec8f37c389f5438a4c46983ac606741883ebc66ae1b94b9c9

  • Size

    690KB

  • Sample

    230324-bl3lmsbc69

  • MD5

    3bc1947cb90055f5049b00c8e320611f

  • SHA1

    f9196e02c4e9d68957ce642f6696055ccdc0bb1c

  • SHA256

    bc4ae7320567ae4ec8f37c389f5438a4c46983ac606741883ebc66ae1b94b9c9

  • SHA512

    bf3f523a3592f0f8fa78d1d79e4ed2b2b857226e74aff139b8838fa926b4ef1ebd7395d40b9066381ff75efa520340588c97bc378fab584f51b9eaa4e787b1cd

  • SSDEEP

    12288:+UjIXjpVmeRF7euMA4AFtz53CdFNBPT/0TI3VEN+5Q8oe4yY:+UEH9beq7Ftz53CdP6T+V7SF

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

      bc4ae7320567ae4ec8f37c389f5438a4c46983ac606741883ebc66ae1b94b9c9

    • Size

      690KB

    • MD5

      3bc1947cb90055f5049b00c8e320611f

    • SHA1

      f9196e02c4e9d68957ce642f6696055ccdc0bb1c

    • SHA256

      bc4ae7320567ae4ec8f37c389f5438a4c46983ac606741883ebc66ae1b94b9c9

    • SHA512

      bf3f523a3592f0f8fa78d1d79e4ed2b2b857226e74aff139b8838fa926b4ef1ebd7395d40b9066381ff75efa520340588c97bc378fab584f51b9eaa4e787b1cd

    • SSDEEP

      12288:+UjIXjpVmeRF7euMA4AFtz53CdFNBPT/0TI3VEN+5Q8oe4yY:+UEH9beq7Ftz53CdP6T+V7SF

    • 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