General

  • Target

    521d18a9fde485eb93c3352f44d6576c072f23560481e0d25f3ef89492ec4040

  • Size

    699KB

  • Sample

    230328-l8j3xscb21

  • MD5

    a4644fc5c5081d6c0466a2375557a375

  • SHA1

    a74fed41b218d996e5622336b0fc12cd7cbedcba

  • SHA256

    521d18a9fde485eb93c3352f44d6576c072f23560481e0d25f3ef89492ec4040

  • SHA512

    0ecc4bfebda2809abfc46de8d28bb5f40a84b755526e5219d319c9c34b7712b8667f3ee37eb9188ede0f0c4cfe52a692dd06baf790f4c7dfbe7f4931be3a30f8

  • SSDEEP

    12288:WMrvy90JBvE/4/QcpDbFc5eLhEuUnmijg/Qm6mBGjeyxv9gLSd4dIvoT:RybMLpDbFMeLmfs/jpGjxv9a7deW

Malware Config

Extracted

Family

redline

Botnet

rosn

C2

176.113.115.145:4125

Attributes
  • auth_value

    050a19e1db4d0024b0f23b37dcf961f4

Extracted

Family

redline

Botnet

muse

C2

176.113.115.145:4125

Attributes
  • auth_value

    b91988a63a24940038d9262827a5320c

Targets

    • Target

      521d18a9fde485eb93c3352f44d6576c072f23560481e0d25f3ef89492ec4040

    • Size

      699KB

    • MD5

      a4644fc5c5081d6c0466a2375557a375

    • SHA1

      a74fed41b218d996e5622336b0fc12cd7cbedcba

    • SHA256

      521d18a9fde485eb93c3352f44d6576c072f23560481e0d25f3ef89492ec4040

    • SHA512

      0ecc4bfebda2809abfc46de8d28bb5f40a84b755526e5219d319c9c34b7712b8667f3ee37eb9188ede0f0c4cfe52a692dd06baf790f4c7dfbe7f4931be3a30f8

    • SSDEEP

      12288:WMrvy90JBvE/4/QcpDbFc5eLhEuUnmijg/Qm6mBGjeyxv9gLSd4dIvoT:RybMLpDbFMeLmfs/jpGjxv9a7deW

    • 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