General

  • Target

    f2ce5991176a97cc5689dfb920c255b77de2e221d0f25ccecae5254a40a6d1fc

  • Size

    1.1MB

  • Sample

    230514-ccnxkacf5w

  • MD5

    501ea9669676ed72ed19f9fa79738e0e

  • SHA1

    5aea5bddb0fc0880a62d243e3d715b60fbe4e737

  • SHA256

    f2ce5991176a97cc5689dfb920c255b77de2e221d0f25ccecae5254a40a6d1fc

  • SHA512

    558d7d8d843379ad99c9691ad063fdfafd837ada2a0368ffa0c6a140eb6eebfec7441da51c4ebb9aa295a582c9b013fe831b2434c126590b0fe8cbdce6da3d8b

  • SSDEEP

    24576:4yeivpfUpu0mqCS6JREqDYVVN4saG+F7G/F3Rn/vDAFZ:/ZpfUDvXy18VVTa7wLsF

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

      f2ce5991176a97cc5689dfb920c255b77de2e221d0f25ccecae5254a40a6d1fc

    • Size

      1.1MB

    • MD5

      501ea9669676ed72ed19f9fa79738e0e

    • SHA1

      5aea5bddb0fc0880a62d243e3d715b60fbe4e737

    • SHA256

      f2ce5991176a97cc5689dfb920c255b77de2e221d0f25ccecae5254a40a6d1fc

    • SHA512

      558d7d8d843379ad99c9691ad063fdfafd837ada2a0368ffa0c6a140eb6eebfec7441da51c4ebb9aa295a582c9b013fe831b2434c126590b0fe8cbdce6da3d8b

    • SSDEEP

      24576:4yeivpfUpu0mqCS6JREqDYVVN4saG+F7G/F3Rn/vDAFZ:/ZpfUDvXy18VVTa7wLsF

    • 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