Overview

overview

10

Static

static

1

PO-65547.js

windows7-x64

10

PO-65547.js

windows10-2004-x64

10

Sharing

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General

  • Target

    PO-65547.js

  • Size

    991KB

  • Sample

    240220-jsn1tsde2z

  • MD5

    aafc903e2da3937dd6935e68df71841c

  • SHA1

    9b4d79db9a4a6427b054d0d36bcfbd8d5cb45ab6

  • SHA256

    199c0b3ea9f01df011aa51f9b4d8089c5b14b5d33bfcc863134338f3cc8c3f15

  • SHA512

    bc904c346dad17f7c005c1af19ad5205e4995b9c8b63c95bd4a3d153c8de95f391822be40debf6821a3b8bc54a2244c380dc3cd89f54b52cee615d337b6054e7

  • SSDEEP

    6144:XQkWmUsgsefPwG26JSPE3DvZ3L3DevaCx96kZLZYXInDouV5DuiJftC5D/3UBFR3:gXUHMcbP+Pu896t

Score
10/10
wshrattrojan

Malware Config

Extracted

Family

wshrat

C2

http://harold.jetos.com:3609

Targets

    • Target

      PO-65547.js

    • Size

      991KB

    • MD5

      aafc903e2da3937dd6935e68df71841c

    • SHA1

      9b4d79db9a4a6427b054d0d36bcfbd8d5cb45ab6

    • SHA256

      199c0b3ea9f01df011aa51f9b4d8089c5b14b5d33bfcc863134338f3cc8c3f15

    • SHA512

      bc904c346dad17f7c005c1af19ad5205e4995b9c8b63c95bd4a3d153c8de95f391822be40debf6821a3b8bc54a2244c380dc3cd89f54b52cee615d337b6054e7

    • SSDEEP

      6144:XQkWmUsgsefPwG26JSPE3DvZ3L3DevaCx96kZLZYXInDouV5DuiJftC5D/3UBFR3:gXUHMcbP+Pu896t

    Score
    10/10
    wshrattrojan

    • 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

    • 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 v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks