Overview

overview

10

Static

static

TBSU0023.js

windows7_x64

10

TBSU0023.js

windows10-2004_x64

10

Sharing

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General

  • Target

    TBSU0023.js

  • Size

    14KB

  • Sample

    220131-s3715aabg9

  • MD5

    b5b778f78c652868c80297c5c45336f5

  • SHA1

    08aef4a259b4c32f4c80ade3554671b13d5ecc79

  • SHA256

    83c05a4ef168de42af9bf42af177225df46bec21e49e7d48b8bef3ab7d23a262

  • SHA512

    b25d5e68876a01a11869316c24faf92d44d17da8783dc2d2c48e6b3c7bdabfc44e5fbb9e5152c8caa10d474439a111c12f809068326d3e99199917ed76edaf2b

Score
10/10
vjw0rmpersistencetrojanworm

Malware Config

Targets

    • Target

      TBSU0023.js

    • Size

      14KB

    • MD5

      b5b778f78c652868c80297c5c45336f5

    • SHA1

      08aef4a259b4c32f4c80ade3554671b13d5ecc79

    • SHA256

      83c05a4ef168de42af9bf42af177225df46bec21e49e7d48b8bef3ab7d23a262

    • SHA512

      b25d5e68876a01a11869316c24faf92d44d17da8783dc2d2c48e6b3c7bdabfc44e5fbb9e5152c8caa10d474439a111c12f809068326d3e99199917ed76edaf2b

    Score
    10/10
    vjw0rmpersistencetrojanworm

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

      trojanwormvjw0rm

    • Blocklisted process makes network request

    • Sets service image path in registry

      persistence

    • Checks computer location settings

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

    • Drops startup file

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

2
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks