Overview

overview

10

Static

static

1

1dd3bb7632...960.js

windows7-x64

10

1dd3bb7632...960.js

windows10-2004-x64

10

Sharing

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General

  • Target

    1dd3bb76323b4cef240b169318d78ba1a360574382fb2d9f42a1888fe3fc3960.js

  • Size

    3.8MB

  • Sample

    240312-cmcmaafb64

  • MD5

    4c314b9d39669df27156747da107becc

  • SHA1

    69b2083af009d92a0e358562e037422cb0f30d5e

  • SHA256

    1dd3bb76323b4cef240b169318d78ba1a360574382fb2d9f42a1888fe3fc3960

  • SHA512

    30a6ae1aea3221ef5bb7f8f7193b8c5b13b37df690720eab3c7dc8c770a769bd97b7df597bafeb008755c7e6930f0dda7622805337daff77362e479bcc1ab19a

  • SSDEEP

    49152:wnYqXWFGA7tDzPYDHZt7Ilht7iYR0a+CwUCIVPrROXv54DOC849xV2jXz2FOz:k

Score
10/10
vjw0rmwshratpersistencetrojanworm

Malware Config

Extracted

Family

wshrat

C2

http://46.183.223.73:7000

Targets

    • Target

      1dd3bb76323b4cef240b169318d78ba1a360574382fb2d9f42a1888fe3fc3960.js

    • Size

      3.8MB

    • MD5

      4c314b9d39669df27156747da107becc

    • SHA1

      69b2083af009d92a0e358562e037422cb0f30d5e

    • SHA256

      1dd3bb76323b4cef240b169318d78ba1a360574382fb2d9f42a1888fe3fc3960

    • SHA512

      30a6ae1aea3221ef5bb7f8f7193b8c5b13b37df690720eab3c7dc8c770a769bd97b7df597bafeb008755c7e6930f0dda7622805337daff77362e479bcc1ab19a

    • SSDEEP

      49152:wnYqXWFGA7tDzPYDHZt7Ilht7iYR0a+CwUCIVPrROXv54DOC849xV2jXz2FOz:k

    Score
    10/10
    vjw0rmwshratpersistencetrojanworm

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

      trojanwormvjw0rm

    • WSHRAT

      WSHRAT is a variant of Houdini worm and has vbs and js variants.

      trojanwshrat

    • Blocklisted process makes network request

    • 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 v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Resource Development

Reconnaissance

Tasks