Overview

overview

10

Static

static

Custom Cle...643.js

windows7_x64

10

Custom Cle...643.js

windows10-2004_x64

10

Sharing

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General

  • Target

    Custom Clearance Doc. AWB#5305323204643.js

  • Size

    127KB

  • Sample

    220617-pk183sbhgm

  • MD5

    ca725f6c53d5cd93cdec59ea14d8493e

  • SHA1

    ca8118f5fa816e134340e114bccf2e2c2c9605b3

  • SHA256

    e83a856d7552c65e3a8ad5f411cfb0193a057de503be751ddd5e85ec42ad2b82

  • SHA512

    4b40a794761d31a70b48993523f8996130f2b612bdf0f0cbef6216981f41ea5f5cb7513e605b954e631664e414bcbf1ff4992abbe5458a886abc312268e07d9f

Score
10/10
vjw0rmwshratpersistencesuricatatrojanworm

Malware Config

Extracted

Family

wshrat

C2

http://62.102.148.154:4044

Targets

    • Target

      Custom Clearance Doc. AWB#5305323204643.js

    • Size

      127KB

    • MD5

      ca725f6c53d5cd93cdec59ea14d8493e

    • SHA1

      ca8118f5fa816e134340e114bccf2e2c2c9605b3

    • SHA256

      e83a856d7552c65e3a8ad5f411cfb0193a057de503be751ddd5e85ec42ad2b82

    • SHA512

      4b40a794761d31a70b48993523f8996130f2b612bdf0f0cbef6216981f41ea5f5cb7513e605b954e631664e414bcbf1ff4992abbe5458a886abc312268e07d9f

    Score
    10/10
    vjw0rmwshratpersistencesuricatatrojanworm

    • 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

    • suricata: ET MALWARE WSHRAT CnC Checkin

      suricata: ET MALWARE WSHRAT CnC Checkin

      suricata

    • suricata: ET MALWARE Worm.VBS Dunihi/Houdini/H-Worm/WSHRAT Checkin 1

      suricata: ET MALWARE Worm.VBS Dunihi/Houdini/H-Worm/WSHRAT Checkin 1

      suricata

    • 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 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