Overview

overview

10

Static

static

Fully Exec...act.js

windows7-x64

10

Fully Exec...act.js

windows10-2004-x64

10

Sharing

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General

  • Target

    Fully Executed Contract.js

  • Size

    984KB

  • Sample

    230124-t64csacf78

  • MD5

    6896610816747b15420b9c1b481283ec

  • SHA1

    2a942e057e0d1427cca9827a2e268d2aca207e16

  • SHA256

    7c0df5e5dc598888c62cb7ebfb76b940e310b45f7c78a4a0797aabd4b6e1f1b2

  • SHA512

    291f0314936b742383a20b4a5bb6abf6f39bc4d97e09346e275ef2de9d9c97c9788c7f0d11e6bf41cbfce7645df89586b98ed94200bd2d7df769d605275d98c8

  • SSDEEP

    6144:eQfPBx5q0sQ1o7rsbHC01mDBpNW2mTMSbpuV8exLbSXlZB7AM:eQ3B7qgpKLbE

Score
10/10
vjw0rmwshratpersistencetrojanworm

Malware Config

Extracted

Family

wshrat

C2

http://auto.stevenpartners.com:23015

Targets

    • Target

      Fully Executed Contract.js

    • Size

      984KB

    • MD5

      6896610816747b15420b9c1b481283ec

    • SHA1

      2a942e057e0d1427cca9827a2e268d2aca207e16

    • SHA256

      7c0df5e5dc598888c62cb7ebfb76b940e310b45f7c78a4a0797aabd4b6e1f1b2

    • SHA512

      291f0314936b742383a20b4a5bb6abf6f39bc4d97e09346e275ef2de9d9c97c9788c7f0d11e6bf41cbfce7645df89586b98ed94200bd2d7df769d605275d98c8

    • SSDEEP

      6144:eQfPBx5q0sQ1o7rsbHC01mDBpNW2mTMSbpuV8exLbSXlZB7AM:eQ3B7qgpKLbE

    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
    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