Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    05-06-2023 15:28

General

  • Target

    ShippingDetails.js

  • Size

    4.6MB

  • MD5

    e8150ba03200183abce718f6b028b2c3

  • SHA1

    606491a54f6dc244fc533317a0f936b818de9a4c

  • SHA256

    3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23

  • SHA512

    4aa7fd5b696933155143f66a54785c48ff368bb6fbf7f5afcc24ababd2436c31b0d847f32b3d66888867f179a34dd9284a9c9a8f54f3f96ea23601804bafacb5

  • SSDEEP

    24576:p5K1gGMDzG6PbjQ46Te9iEQokfhrC/SwzkfHGi9xM7LHyG9XqUrQdAtzkTGCJTrK:G3Fmv

Malware Config

Extracted

Family

wshrat

C2

http://139.177.146.165:4848

Signatures

  • Vjw0rm

    Vjw0rm is a remote access trojan written in JavaScript.

  • WSHRAT

    WSHRAT is a variant of Houdini worm and has vbs and js variants.

  • Blocklisted process makes network request 54 IoCs
  • Drops startup file 5 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Script User-Agent 24 IoCs

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

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\ShippingDetails.js
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:624
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\VQlpXNzQJz.js"
      2⤵
      • Blocklisted process makes network request
      • Drops startup file
      PID:1304
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\ShippingDetails.js"
      2⤵
      • Blocklisted process makes network request
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:296
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\VQlpXNzQJz.js"
        3⤵
        • Blocklisted process makes network request
        • Drops startup file
        PID:612

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

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

    4.6MB

    MD5

    e8150ba03200183abce718f6b028b2c3

    SHA1

    606491a54f6dc244fc533317a0f936b818de9a4c

    SHA256

    3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23

    SHA512

    4aa7fd5b696933155143f66a54785c48ff368bb6fbf7f5afcc24ababd2436c31b0d847f32b3d66888867f179a34dd9284a9c9a8f54f3f96ea23601804bafacb5

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

    4.6MB

    MD5

    e8150ba03200183abce718f6b028b2c3

    SHA1

    606491a54f6dc244fc533317a0f936b818de9a4c

    SHA256

    3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23

    SHA512

    4aa7fd5b696933155143f66a54785c48ff368bb6fbf7f5afcc24ababd2436c31b0d847f32b3d66888867f179a34dd9284a9c9a8f54f3f96ea23601804bafacb5

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

    346KB

    MD5

    3ed07b2cfc14457c448129ac338d1a9b

    SHA1

    e07cd37475c0a9e2c53d4f7df317c8b4be70855e

    SHA256

    ed505690251f92f79fb3341968a3283e69bcd4ffe08539593b1601fac515c36b

    SHA512

    db34f63ad7cd4580c200040f1ced68ef7477cf61e44304932a2989cda520a56e90bf51d27bcd8474f14600a92f25664befa9a64caf26c009d5ecb6a610b78fa5

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

    4.6MB

    MD5

    e8150ba03200183abce718f6b028b2c3

    SHA1

    606491a54f6dc244fc533317a0f936b818de9a4c

    SHA256

    3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23

    SHA512

    4aa7fd5b696933155143f66a54785c48ff368bb6fbf7f5afcc24ababd2436c31b0d847f32b3d66888867f179a34dd9284a9c9a8f54f3f96ea23601804bafacb5

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

    346KB

    MD5

    3ed07b2cfc14457c448129ac338d1a9b

    SHA1

    e07cd37475c0a9e2c53d4f7df317c8b4be70855e

    SHA256

    ed505690251f92f79fb3341968a3283e69bcd4ffe08539593b1601fac515c36b

    SHA512

    db34f63ad7cd4580c200040f1ced68ef7477cf61e44304932a2989cda520a56e90bf51d27bcd8474f14600a92f25664befa9a64caf26c009d5ecb6a610b78fa5

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

    346KB

    MD5

    3ed07b2cfc14457c448129ac338d1a9b

    SHA1

    e07cd37475c0a9e2c53d4f7df317c8b4be70855e

    SHA256

    ed505690251f92f79fb3341968a3283e69bcd4ffe08539593b1601fac515c36b

    SHA512

    db34f63ad7cd4580c200040f1ced68ef7477cf61e44304932a2989cda520a56e90bf51d27bcd8474f14600a92f25664befa9a64caf26c009d5ecb6a610b78fa5