Overview

overview

10

Static

static

Solicitati...pdf.js

windows7-x64

10

Solicitati...pdf.js

windows10-2004-x64

10

Sharing

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General

  • Target

    Solicitation#E62-359.pdf.js

  • Size

    984KB

  • Sample

    230124-rg9gdsdf3y

  • MD5

    4e2d729e9c8329faf413b544c6e3e142

  • SHA1

    a2e1e676ef6be73c851acbaf46b00eb8635fb875

  • SHA256

    069428da73eef276063d954b097054ff9a31b9265d1472fc6e067d88f5be2a87

  • SHA512

    24f0eeec9c97dbd77601c46bf2cd4ae02ebfc23f291367d1308a369df8b5f48794a11ec5720853e8507a1fa576d4b9164231ca65a4c7fa12fc7219d3ed86917f

  • SSDEEP

    6144:eQfPBx5q0sQ1o7rsbHC01mDBpNW2mTMSbpuV8zeLoJFl7BU/J:eQ3B7qgpkLoU

Score
10/10
vjw0rmwshratpersistencetrojanworm

Malware Config

Extracted

Family

wshrat

C2

http://bona.kasowiitz.com:50125

Targets

    • Target

      Solicitation#E62-359.pdf.js

    • Size

      984KB

    • MD5

      4e2d729e9c8329faf413b544c6e3e142

    • SHA1

      a2e1e676ef6be73c851acbaf46b00eb8635fb875

    • SHA256

      069428da73eef276063d954b097054ff9a31b9265d1472fc6e067d88f5be2a87

    • SHA512

      24f0eeec9c97dbd77601c46bf2cd4ae02ebfc23f291367d1308a369df8b5f48794a11ec5720853e8507a1fa576d4b9164231ca65a4c7fa12fc7219d3ed86917f

    • SSDEEP

      6144:eQfPBx5q0sQ1o7rsbHC01mDBpNW2mTMSbpuV8zeLoJFl7BU/J:eQ3B7qgpkLoU

    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

    • Drops file in System32 directory

    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

3
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks