Overview

overview

10

Static

static

1

57333809-d...e21.js

windows7-x64

10

57333809-d...e21.js

windows10-2004-x64

10

Sharing

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General

  • Target

    57333809-dbd0-4c22-b696-ed9d3682de21.js

  • Size

    285KB

  • Sample

    230208-b66h2agf88

  • MD5

    3bbcc5d020c78a15e255fd64488ca85f

  • SHA1

    7c51ef5035b77aa6557e6f4ecd87db3672d17703

  • SHA256

    89f45442db86a345f88320a8d4f0b5f5ac49a8828181f98d62c30633821dffbf

  • SHA512

    b4b756be58ea82a1c978cb5ee5b43b380976f5aa4ae9c25c567196bae678c72cb2316ed51a4964f2d62010926fc81695d8bdb9faef09579a67ba0314229d004b

  • SSDEEP

    6144:7DrSmg1GX1AYjy8iRH8mwZBN50AbjAfjgauIOI4Jsu:7DrS1GXOut/59bjAf7O6u

Score
10/10
vjw0rmwshratpersistencetrojanworm

Malware Config

Extracted

Family

wshrat

C2

http://oyo.powrkenken.info:46077

Targets

    • Target

      57333809-dbd0-4c22-b696-ed9d3682de21.js

    • Size

      285KB

    • MD5

      3bbcc5d020c78a15e255fd64488ca85f

    • SHA1

      7c51ef5035b77aa6557e6f4ecd87db3672d17703

    • SHA256

      89f45442db86a345f88320a8d4f0b5f5ac49a8828181f98d62c30633821dffbf

    • SHA512

      b4b756be58ea82a1c978cb5ee5b43b380976f5aa4ae9c25c567196bae678c72cb2316ed51a4964f2d62010926fc81695d8bdb9faef09579a67ba0314229d004b

    • SSDEEP

      6144:7DrSmg1GX1AYjy8iRH8mwZBN50AbjAfjgauIOI4Jsu:7DrS1GXOut/59bjAf7O6u

    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

    • 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

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

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