General

  • Target

    e77b026cacd6d44f4ac83d9a0cea974b1122dc84be0ea5a3bfb4e0a30f3fc07d

  • Size

    690KB

  • Sample

    230324-clyhcsbf32

  • MD5

    b0c07ecd1dd9fb90dd1c9f5827484d3b

  • SHA1

    a3f11dbecee69ddb688d887cd1b06260e53b15ab

  • SHA256

    e77b026cacd6d44f4ac83d9a0cea974b1122dc84be0ea5a3bfb4e0a30f3fc07d

  • SHA512

    1b888e6271ff31c3f9f41d5f53a54d2e5f0505410f3a69c82fe9285e03bbc26372119b5ede42addd0584c3a410527780183579c5489eb1cbd134bd0af4971c62

  • SSDEEP

    12288:YUjIXjpVmeRF7euMA4AFtz53CdFNBPT/0TI3VEN+5Q8oe4yY:YUEH9beq7Ftz53CdP6T+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

      e77b026cacd6d44f4ac83d9a0cea974b1122dc84be0ea5a3bfb4e0a30f3fc07d

    • Size

      690KB

    • MD5

      b0c07ecd1dd9fb90dd1c9f5827484d3b

    • SHA1

      a3f11dbecee69ddb688d887cd1b06260e53b15ab

    • SHA256

      e77b026cacd6d44f4ac83d9a0cea974b1122dc84be0ea5a3bfb4e0a30f3fc07d

    • SHA512

      1b888e6271ff31c3f9f41d5f53a54d2e5f0505410f3a69c82fe9285e03bbc26372119b5ede42addd0584c3a410527780183579c5489eb1cbd134bd0af4971c62

    • SSDEEP

      12288:YUjIXjpVmeRF7euMA4AFtz53CdFNBPT/0TI3VEN+5Q8oe4yY:YUEH9beq7Ftz53CdP6T+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