Overview

overview

10

Static

static

1

NEW PO# 230469008.js

windows7-x64

10

NEW PO# 230469008.js

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-04-2023 08:31

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General

  • Target

    NEW PO# 230469008.js

  • Size

    2.0MB

  • MD5

    4843582c8aea6e684092ccc7832088cc

  • SHA1

    5b926ea46d266420267acba4112e75d12fd7a2b3

  • SHA256

    8304bd9b72d8eb4a3b02886cdfe24f463ce1b088f6bee71afcca073321de252f

  • SHA512

    a531a80b84fb151eec5f6cbe618c665eaf3758dbe930c0b6bebd813ce2eb5df1e02298094a98bec157bc657bce82a19e6fd9fc993a6f4f16b173402022bcbced

  • SSDEEP

    24576:efFW3X3yqu0Sk0kz3LxAPtS+DZ0dlNJ/R1a7euQjMm0cXkSQnrtJDh0dPklw2BK5:kuz

Score
10/10
vjw0rmwshratpersistencetrojanworm

Malware Config

Extracted

Family

wshrat

C2

http://45.12.253.77:8889

Signatures

  • 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 59 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 5 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Script User-Agent 27 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\NEW PO# 230469008.js"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2276
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\mBlzjTzcYX.js"
      2⤵
      • Blocklisted process makes network request
      • Drops startup file
      PID:1520
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\NEW PO# 230469008.js"
      2⤵
      • Blocklisted process makes network request
      • Checks computer location settings
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1572
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\mBlzjTzcYX.js"
        3⤵
        • Blocklisted process makes network request
        • Drops startup file
        PID:2768

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\NEW PO# 230469008.js
    Filesize

    2.0MB

    MD5

    4843582c8aea6e684092ccc7832088cc

    SHA1

    5b926ea46d266420267acba4112e75d12fd7a2b3

    SHA256

    8304bd9b72d8eb4a3b02886cdfe24f463ce1b088f6bee71afcca073321de252f

    SHA512

    a531a80b84fb151eec5f6cbe618c665eaf3758dbe930c0b6bebd813ce2eb5df1e02298094a98bec157bc657bce82a19e6fd9fc993a6f4f16b173402022bcbced

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\NEW PO# 230469008.js
    Filesize

    2.0MB

    MD5

    4843582c8aea6e684092ccc7832088cc

    SHA1

    5b926ea46d266420267acba4112e75d12fd7a2b3

    SHA256

    8304bd9b72d8eb4a3b02886cdfe24f463ce1b088f6bee71afcca073321de252f

    SHA512

    a531a80b84fb151eec5f6cbe618c665eaf3758dbe930c0b6bebd813ce2eb5df1e02298094a98bec157bc657bce82a19e6fd9fc993a6f4f16b173402022bcbced

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mBlzjTzcYX.js
    Filesize

    346KB

    MD5

    74d2a5bae039a548441b5d3be3551a7c

    SHA1

    c4e10bb69a9759bcfdccef6a57880582614823c0

    SHA256

    7e12a71f1498dd1141d887b3cc8dbd6e01d51b2976d2131f888374fe8fc23635

    SHA512

    568efd3d7df0ac59831d7fca978f56d626d793facca1b4e2876fc42690496e4256a62754aa10dd91f0bd0bcbaa8c20fb5454ba9cfd09167f1f8dcf0c7223d32b

    Download Submit

  • C:\Users\Admin\AppData\Roaming\NEW PO# 230469008.js
    Filesize

    2.0MB

    MD5

    4843582c8aea6e684092ccc7832088cc

    SHA1

    5b926ea46d266420267acba4112e75d12fd7a2b3

    SHA256

    8304bd9b72d8eb4a3b02886cdfe24f463ce1b088f6bee71afcca073321de252f

    SHA512

    a531a80b84fb151eec5f6cbe618c665eaf3758dbe930c0b6bebd813ce2eb5df1e02298094a98bec157bc657bce82a19e6fd9fc993a6f4f16b173402022bcbced

    Download Submit

  • C:\Users\Admin\AppData\Roaming\mBlzjTzcYX.js
    Filesize

    346KB

    MD5

    74d2a5bae039a548441b5d3be3551a7c

    SHA1

    c4e10bb69a9759bcfdccef6a57880582614823c0

    SHA256

    7e12a71f1498dd1141d887b3cc8dbd6e01d51b2976d2131f888374fe8fc23635

    SHA512

    568efd3d7df0ac59831d7fca978f56d626d793facca1b4e2876fc42690496e4256a62754aa10dd91f0bd0bcbaa8c20fb5454ba9cfd09167f1f8dcf0c7223d32b

    Download Submit

  • C:\Users\Admin\AppData\Roaming\mBlzjTzcYX.js
    Filesize

    346KB

    MD5

    74d2a5bae039a548441b5d3be3551a7c

    SHA1

    c4e10bb69a9759bcfdccef6a57880582614823c0

    SHA256

    7e12a71f1498dd1141d887b3cc8dbd6e01d51b2976d2131f888374fe8fc23635

    SHA512

    568efd3d7df0ac59831d7fca978f56d626d793facca1b4e2876fc42690496e4256a62754aa10dd91f0bd0bcbaa8c20fb5454ba9cfd09167f1f8dcf0c7223d32b

    Download Submit