General

  • Target

    e4734927ff18085f3258504413e625eb64f2ed10cfbc14ca05a7edfed5e85671

  • Size

    1.1MB

  • Sample

    230514-vzvmqsce99

  • MD5

    62ad7b05bb28e7ccded3c9ddc896e874

  • SHA1

    e95f4a8ca7a568ff59ba8b7df222d5be6651a720

  • SHA256

    e4734927ff18085f3258504413e625eb64f2ed10cfbc14ca05a7edfed5e85671

  • SHA512

    e2391285dfdd1e473708c7f725c3869885fb2bd32f3603ac3152a98812f89788221e6d33344a9e2b306826107a376b8aa89e7fb8ed840955d2206aeca7780807

  • SSDEEP

    24576:gyAwt7vnXUJPWRGGCVb6ZKyrIWglmF5qlF8+2Fvg:nAwFnXUtWRE6IZmWL8X

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

      e4734927ff18085f3258504413e625eb64f2ed10cfbc14ca05a7edfed5e85671

    • Size

      1.1MB

    • MD5

      62ad7b05bb28e7ccded3c9ddc896e874

    • SHA1

      e95f4a8ca7a568ff59ba8b7df222d5be6651a720

    • SHA256

      e4734927ff18085f3258504413e625eb64f2ed10cfbc14ca05a7edfed5e85671

    • SHA512

      e2391285dfdd1e473708c7f725c3869885fb2bd32f3603ac3152a98812f89788221e6d33344a9e2b306826107a376b8aa89e7fb8ed840955d2206aeca7780807

    • SSDEEP

      24576:gyAwt7vnXUJPWRGGCVb6ZKyrIWglmF5qlF8+2Fvg:nAwFnXUtWRE6IZmWL8X

    • 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks