General

  • Target

    fa5b31650c6d74eadbb2c01d750513f0333ea0079dd1c56037aaa24a86209709

  • Size

    547KB

  • Sample

    230323-3psdmaah36

  • MD5

    9514d04105f6a0d2d869293dd02aa2f9

  • SHA1

    da06397d95a116b3d2fceda5e50f7480fd9157df

  • SHA256

    fa5b31650c6d74eadbb2c01d750513f0333ea0079dd1c56037aaa24a86209709

  • SHA512

    f2b759b407c3fba8c2c3816fe530581271d1dbcdba12387c734d4e9d96092daf7bf52461c9d4f0f1060a8963d7609ddd07e6608ce8fe27b0527bc052963e83c8

  • SSDEEP

    12288:eMrQy90n0PWehBsNEGnlm8uxT/s4Y+jsCW:6yevQ8aDNhQ9

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

      fa5b31650c6d74eadbb2c01d750513f0333ea0079dd1c56037aaa24a86209709

    • Size

      547KB

    • MD5

      9514d04105f6a0d2d869293dd02aa2f9

    • SHA1

      da06397d95a116b3d2fceda5e50f7480fd9157df

    • SHA256

      fa5b31650c6d74eadbb2c01d750513f0333ea0079dd1c56037aaa24a86209709

    • SHA512

      f2b759b407c3fba8c2c3816fe530581271d1dbcdba12387c734d4e9d96092daf7bf52461c9d4f0f1060a8963d7609ddd07e6608ce8fe27b0527bc052963e83c8

    • SSDEEP

      12288:eMrQy90n0PWehBsNEGnlm8uxT/s4Y+jsCW:6yevQ8aDNhQ9

    • 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