Overview

overview

10

Static

static

1

ORDER-23023A_pdf.js

windows7-x64

8

ORDER-23023A_pdf.js

windows10-2004-x64

10

Sharing

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General

  • Target

    a98ac00dca5a70a34f6a194f777fcbd73d47e655ede61ece25fa113242b5341b

  • Size

    733B

  • Sample

    230614-tdwr8sba45

  • MD5

    bf516853f7562ff20ac17be2db2f4295

  • SHA1

    ce3b48d07e030e2d876fe15f4455aa0c2ceb886e

  • SHA256

    a90a264f0536addcea90db6def755d53df5324d82d1d92f88134cc0c24360ffb

  • SHA512

    2fce581503947041f31f82e59ac84848b34204215145e8ea287caf25303fbbd4e48030e0821f48567738bf1d4a0d8263d17db4221d31df15256e2ebadd84df7c

Score
10/10
wshratpersistencetrojan

Malware Config

Extracted

Family

wshrat

C2

http://chongmei33.publicvm.com:7045

Targets

    • Target

      ORDER-23023A_pdf.js

    • Size

      7KB

    • MD5

      933b4514edd326ee6e30c96cd77d82f9

    • SHA1

      6d5cb6a10bb6483f6ceaa704b7ec96afa505ba10

    • SHA256

      7322460676a315a08fd2e0a2d3dc6c9d25225fca29d1aa21428bc38354cbbcbe

    • SHA512

      551613e20d98d59b1f9d225c57351717094c32a6f47fd8d994863e0e7e834d8e419dfaa41bf80dc7e229102f3b6bcd58cf41bb03562279a20fa689192444822f

    • SSDEEP

      96:EPq4bVViLK3Zo7PjEA914wVViC8a4fEVUcx3GNwqEq4S2VViyKLoyrV9RdACUNVL:5jbLLgDzj/KK8AhbhxnC+dTO

    Score
    10/10
    wshratpersistencetrojan

    • 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 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