Overview

overview

10

Static

static

1

HK SEMI CO...Ltd.js

windows7-x64

10

HK SEMI CO...Ltd.js

windows10-2004-x64

10

Sharing

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General

  • Target

    HK SEMI CORPORATION CO,,Ltd.js

  • Size

    4.6MB

  • Sample

    230213-nz5z5scd8v

  • MD5

    3cbcc574b184d5719059b21b9786bbf0

  • SHA1

    9ed29659b5b54cdf60cf2b9495224aec1a261e67

  • SHA256

    00b6a46542f80c34df42fe3d9e369eb7c39566e902e9ac92238dc90166446a6c

  • SHA512

    68d5c2e058f28c9f1760f40af8fce6b0f786a0ed4aa99cc86df227415c66688e6de1264929d937ed20d111d7551b7ec0944791a5753045ce821167b09ddac9c7

  • SSDEEP

    3072:2GRbdyiMKBDjY086keLyVXiQp7IayQ6Q/27SSi8s2ag6N8TiwzccqhWM307KIiWW:R06HV4dbI+eeHbESp

Score
10/10
strratvjw0rmpersistencestealertrojanworm

Malware Config

Targets

    • Target

      HK SEMI CORPORATION CO,,Ltd.js

    • Size

      4.6MB

    • MD5

      3cbcc574b184d5719059b21b9786bbf0

    • SHA1

      9ed29659b5b54cdf60cf2b9495224aec1a261e67

    • SHA256

      00b6a46542f80c34df42fe3d9e369eb7c39566e902e9ac92238dc90166446a6c

    • SHA512

      68d5c2e058f28c9f1760f40af8fce6b0f786a0ed4aa99cc86df227415c66688e6de1264929d937ed20d111d7551b7ec0944791a5753045ce821167b09ddac9c7

    • SSDEEP

      3072:2GRbdyiMKBDjY086keLyVXiQp7IayQ6Q/27SSi8s2ag6N8TiwzccqhWM307KIiWW:R06HV4dbI+eeHbESp

    Score
    10/10
    strratvjw0rmpersistencestealertrojanworm

    • STRRAT

      STRRAT is a remote access tool than can steal credentials and log keystrokes.

      trojanstealerstrrat

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

      trojanwormvjw0rm

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks