General

  • Target

    82548329bb9a46a2dda0a85d5fbaf605d8712e609a14c459d185511ac1ad3791

  • Size

    1.1MB

  • Sample

    230514-bs6xmsce8s

  • MD5

    a21264085fd8e40c0a55171a6b1f1360

  • SHA1

    9e4ecbd8c5af834d55d9c230d0c702f3299cf80b

  • SHA256

    82548329bb9a46a2dda0a85d5fbaf605d8712e609a14c459d185511ac1ad3791

  • SHA512

    6e9b18cf79b3ede2334d38834c37eabc41af3d78d634f4f95a82e14484edc244fc16c5249ad58c1db3d64148bea6ab99fbf544dd58649ab1224abb40b82acb6c

  • SSDEEP

    24576:VyUGTkEmBQFreBOc7H5Pr5pEVC+En4FZFSEPO:wH/cQreBxlPNutQApP

Malware Config

Extracted

Family

redline

Botnet

luka

C2

185.161.248.75:4132

Attributes
  • auth_value

    44560bcd37d6bf076da309730fdb519a

Extracted

Family

redline

Botnet

terra

C2

185.161.248.75:4132

Attributes
  • auth_value

    60df3f535f8aa4e264f78041983592d2

Extracted

Family

vjw0rm

C2

http://vj5566.duckdns.org:5566

Targets

    • Target

      82548329bb9a46a2dda0a85d5fbaf605d8712e609a14c459d185511ac1ad3791

    • Size

      1.1MB

    • MD5

      a21264085fd8e40c0a55171a6b1f1360

    • SHA1

      9e4ecbd8c5af834d55d9c230d0c702f3299cf80b

    • SHA256

      82548329bb9a46a2dda0a85d5fbaf605d8712e609a14c459d185511ac1ad3791

    • SHA512

      6e9b18cf79b3ede2334d38834c37eabc41af3d78d634f4f95a82e14484edc244fc16c5249ad58c1db3d64148bea6ab99fbf544dd58649ab1224abb40b82acb6c

    • SSDEEP

      24576:VyUGTkEmBQFreBOc7H5Pr5pEVC+En4FZFSEPO:wH/cQreBxlPNutQApP

    • 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

    • Windows security modification

    • Adds Run key to start application

    • 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

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Command and Control

Web Service

1
T1102

Tasks