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Analysis

  • max time kernel
    63s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2022, 13:42

General

  • Target

    7l_blackmesa_setup.exe

  • Size

    3.2MB

  • MD5

    6285f0e0bf8cda8d2792302532e11604

  • SHA1

    16d4dd42ea91f4064ec99fd609a9c4a94dbec9a8

  • SHA256

    ff691a3d2ea65120221ce9e04db42e777ac0b0fc8595fca992c9e625985269b8

  • SHA512

    301d70657cdd05fc2525e1088445ac6cc6c26965bfb1838cc2eea2937ec4bc9c4d659f2edee34eece2451f3c80b223f5f2453fdda7262cab11ad5adfcf64247a

  • SSDEEP

    49152:ZBuZrEUwkuI02LljhpLb3RVnoUIb1Ns0isau5e1+xC00pS:vkLwkuZ+lNHVCrksaKUDO

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7l_blackmesa_setup.exe
    "C:\Users\Admin\AppData\Local\Temp\7l_blackmesa_setup.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3112
    • C:\Users\Admin\AppData\Local\Temp\is-STNVN.tmp\7l_blackmesa_setup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-STNVN.tmp\7l_blackmesa_setup.tmp" /SL5="$701F2,2430354,1146880,C:\Users\Admin\AppData\Local\Temp\7l_blackmesa_setup.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1280

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-KUT1N.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-STNVN.tmp\7l_blackmesa_setup.tmp

    Filesize

    3.3MB

    MD5

    ebb74794c4e48b3f0cb325142911c7a4

    SHA1

    38589f83942fe25a49dab24966dac268022e301d

    SHA256

    c40e861334c80c65264e859a6f05e7de0dd4a645a2084c4af56bbba9c9b8cbdb

    SHA512

    b274e63536588d4233678c39fd07cf95113a0b9052a2e42bf7b4b0fb797a16434f5c95cf271458170d0c82352196b9de480d871614bd56243135bc8bc0fe4bfb

  • memory/3112-132-0x0000000000400000-0x0000000000525000-memory.dmp

    Filesize

    1.1MB

  • memory/3112-137-0x0000000000400000-0x0000000000525000-memory.dmp

    Filesize

    1.1MB