General

  • Target

    a15c50725a57f97e7bfc5b4c1835a3f264ad1c0fb5e2dd3cbd10dae92ec7bdb8

  • Size

    546KB

  • Sample

    230323-3qf2zsch5w

  • MD5

    46099a45b0536eaabce9ccd3ce29daa8

  • SHA1

    fc5c78ccab72ca11ff8f4ce11a9ada813182228f

  • SHA256

    a15c50725a57f97e7bfc5b4c1835a3f264ad1c0fb5e2dd3cbd10dae92ec7bdb8

  • SHA512

    1bd7be67ff43861021db97f953f16d2fcfd226b6e9936d1631d5c77a912c2ee9ff99f11843c1c1d5523fc6e5cbfac58936cf71d7ca15209abc8615e02734c645

  • SSDEEP

    12288:0Mrsy90BMHWw1qSuDu/I07LREugg2RTrqb3TL6HojGW1B:4y7rqpDuDXxgg2RT2DKILj

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

lown

C2

193.233.20.31:4125

Attributes
  • auth_value

    4cf836e062bcdc2a4fdbf410f5747ec7

Targets

    • Target

      a15c50725a57f97e7bfc5b4c1835a3f264ad1c0fb5e2dd3cbd10dae92ec7bdb8

    • Size

      546KB

    • MD5

      46099a45b0536eaabce9ccd3ce29daa8

    • SHA1

      fc5c78ccab72ca11ff8f4ce11a9ada813182228f

    • SHA256

      a15c50725a57f97e7bfc5b4c1835a3f264ad1c0fb5e2dd3cbd10dae92ec7bdb8

    • SHA512

      1bd7be67ff43861021db97f953f16d2fcfd226b6e9936d1631d5c77a912c2ee9ff99f11843c1c1d5523fc6e5cbfac58936cf71d7ca15209abc8615e02734c645

    • SSDEEP

      12288:0Mrsy90BMHWw1qSuDu/I07LREugg2RTrqb3TL6HojGW1B:4y7rqpDuDXxgg2RT2DKILj

    • 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