General

  • Target

    b8504df7f396ab849abb0db2b8cabae6918ab0b3bd9d986e3b567369b7ce02ee

  • Size

    1.1MB

  • Sample

    230514-vxqwrsce96

  • MD5

    eb58c15600f974d7beb1cf404fadc2da

  • SHA1

    11e27de8b96d8e8f968ab0ebd9f532218b321ebc

  • SHA256

    b8504df7f396ab849abb0db2b8cabae6918ab0b3bd9d986e3b567369b7ce02ee

  • SHA512

    519830019371ab5848e57fe079b9b9dc46099b84b59f0e87bb87b3c8ceebe8f866f4653e2a9968cd33746404c8bb392fcf09891c59e20acc701ea3b360fb4859

  • SSDEEP

    24576:ryqsz6bhFwBq0tK0EZ5Tw8H3d0G59jYHtQUcdB9BkKAqbShe83u8z9Z:eqccXGK0EZJwA3d0e9EuUcJBkKAy383F

Malware Config

Extracted

Family

redline

Botnet

larry

C2

185.161.248.75:4132

Attributes
  • auth_value

    9039557bb7a08f5f2f60e2b71e1dee0e

Extracted

Family

redline

Botnet

warum

C2

185.161.248.75:4132

Attributes
  • auth_value

    0bdb2dda91dadc65f555dee088a6a2a4

Targets

    • Target

      b8504df7f396ab849abb0db2b8cabae6918ab0b3bd9d986e3b567369b7ce02ee

    • Size

      1.1MB

    • MD5

      eb58c15600f974d7beb1cf404fadc2da

    • SHA1

      11e27de8b96d8e8f968ab0ebd9f532218b321ebc

    • SHA256

      b8504df7f396ab849abb0db2b8cabae6918ab0b3bd9d986e3b567369b7ce02ee

    • SHA512

      519830019371ab5848e57fe079b9b9dc46099b84b59f0e87bb87b3c8ceebe8f866f4653e2a9968cd33746404c8bb392fcf09891c59e20acc701ea3b360fb4859

    • SSDEEP

      24576:ryqsz6bhFwBq0tK0EZ5Tw8H3d0G59jYHtQUcdB9BkKAqbShe83u8z9Z:eqccXGK0EZJwA3d0e9EuUcJBkKAy383F

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • WSHRAT

      WSHRAT is a variant of Houdini worm and has vbs and js variants.

    • WSHRAT payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks