Overview

overview

10

Static

static

Purchase Contract.js

windows7-x64

10

Purchase Contract.js

windows10-2004-x64

10

Sharing

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General

  • Target

    Purchase Contract.js

  • Size

    1.2MB

  • Sample

    230126-wzbqaseg29

  • MD5

    d7d4bde73f37306d955f0bfb63a8d002

  • SHA1

    843b86723b5c6113b1ab20756b98d3c8221db031

  • SHA256

    da924bd600bfab2b3d7647fadf31593747aac941e083856d8bcedaa021da4b7a

  • SHA512

    a61e46c3dda203705a7f28a86f2534e729c5f9dbcb267c821d47268391424851d4157bdb772b3c3a82c935b4ee1a987fa803d3c956df1f5ec68947f2d5caf6d5

  • SSDEEP

    12288:eQ3B7qgpCrbmZ7njOZkjS1MDP13+2O/+dKEy:gbm5nikjSCDPl6/+dKD

Score
10/10
vjw0rmwshratcollectionpersistencespywarestealertrojanworm

Malware Config

Extracted

Family

wshrat

C2

http://auto.stevenpartners.com:23015

Targets

    • Target

      Purchase Contract.js

    • Size

      1.2MB

    • MD5

      d7d4bde73f37306d955f0bfb63a8d002

    • SHA1

      843b86723b5c6113b1ab20756b98d3c8221db031

    • SHA256

      da924bd600bfab2b3d7647fadf31593747aac941e083856d8bcedaa021da4b7a

    • SHA512

      a61e46c3dda203705a7f28a86f2534e729c5f9dbcb267c821d47268391424851d4157bdb772b3c3a82c935b4ee1a987fa803d3c956df1f5ec68947f2d5caf6d5

    • SSDEEP

      12288:eQ3B7qgpCrbmZ7njOZkjS1MDP13+2O/+dKEy:gbm5nikjSCDPl6/+dKD

    Score
    10/10
    vjw0rmwshratcollectionpersistencespywarestealertrojanworm

    • 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

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses Microsoft Outlook accounts

      collection

    • 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

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Tasks