General

  • Target

    d433633c6f91fcc3d493ba6d5c617ae3767466975e22e7bbfc2a540af4925a5c

  • Size

    680KB

  • Sample

    230323-2zbcescg2z

  • MD5

    4613ef5932483385c30c507bd7e11590

  • SHA1

    e42959248b125279d0417866b27c198fea3acb7d

  • SHA256

    d433633c6f91fcc3d493ba6d5c617ae3767466975e22e7bbfc2a540af4925a5c

  • SHA512

    e376019a19e02583bec7362eead1ee9516e2a84f67f1c63e5f9e7687f3e81fb74a29bb72e4230f2f9ad81f28277d4adef783dc9786be6fbe58ff7efe29a81747

  • SSDEEP

    12288:KoUOjvz/h0pY8lV5QW46uUcVwYPo02poleDehT+CWK9BetbtPFNicKX:xva+8VQtVQ02polYq+CH6tXi/X

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

      d433633c6f91fcc3d493ba6d5c617ae3767466975e22e7bbfc2a540af4925a5c

    • Size

      680KB

    • MD5

      4613ef5932483385c30c507bd7e11590

    • SHA1

      e42959248b125279d0417866b27c198fea3acb7d

    • SHA256

      d433633c6f91fcc3d493ba6d5c617ae3767466975e22e7bbfc2a540af4925a5c

    • SHA512

      e376019a19e02583bec7362eead1ee9516e2a84f67f1c63e5f9e7687f3e81fb74a29bb72e4230f2f9ad81f28277d4adef783dc9786be6fbe58ff7efe29a81747

    • SSDEEP

      12288:KoUOjvz/h0pY8lV5QW46uUcVwYPo02poleDehT+CWK9BetbtPFNicKX:xva+8VQtVQ02polYq+CH6tXi/X

    • 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.

    • Suspicious use of SetThreadContext

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