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Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/01/2024, 22:40

General

  • Target

    7b78ca5ff4569c26b77ef487e533b921.exe

  • Size

    4.8MB

  • MD5

    7b78ca5ff4569c26b77ef487e533b921

  • SHA1

    f54a783d42e6dae12976b2533b12680214932dce

  • SHA256

    cadb50a04d252b13b2bfd535030fe479bcd15d831304641fe03cb0b960d335cb

  • SHA512

    748d30f97a8eb016d7f4ec715d945b778c843cee49721b2fe511e4a9994afe6c5427ddd6d38de94393a30f2fa98312d81fc423c86775a6bf57be8baf78408fa1

  • SSDEEP

    98304:PX4/v4RlDNhrRrrGopaLpZlbaCEJw159niUn/lPiexaWgaMbbyazx14:v/lDNVBrGoMJVsw15ZiUnYeQWIbya0

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 22 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b78ca5ff4569c26b77ef487e533b921.exe
    "C:\Users\Admin\AppData\Local\Temp\7b78ca5ff4569c26b77ef487e533b921.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3940
    • C:\Users\Admin\AppData\Local\Temp\is-V3LAV.tmp\7b78ca5ff4569c26b77ef487e533b921.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-V3LAV.tmp\7b78ca5ff4569c26b77ef487e533b921.tmp" /SL5="$B0060,4323671,721408,C:\Users\Admin\AppData\Local\Temp\7b78ca5ff4569c26b77ef487e533b921.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4260
      • C:\Program Files (x86)\Reiciendis\ullam\Amet.exe
        "C:\Program Files (x86)\Reiciendis/\ullam\Amet.exe" 44d495b75069228c7b7a6370fb372ae5
        3⤵
        • Executes dropped EXE
        PID:2508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Reiciendis\ullam\Amet.exe

    Filesize

    1.2MB

    MD5

    fe0ae0c88e295a5cfebfd049cc84b623

    SHA1

    39532ae5d431abefcf817d7cf04cae6924a9ab1c

    SHA256

    52fbae653d00bc1c881a189b4fdc6d5c3c767ec26a43a5f8aed7c7706a6ef1c7

    SHA512

    75928521729bc4e35e2dc3f31880a1fa637595dc0d7b8ae6c84b0546aa279ca710f1a0cdb75768886fab9f135a67ea8d9e55d5026ff8461346e19e04ad971b3d

  • C:\Users\Admin\AppData\Local\Temp\is-NMUT3.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-V3LAV.tmp\7b78ca5ff4569c26b77ef487e533b921.tmp

    Filesize

    2.1MB

    MD5

    196b36b0538e6e1b181642aa8b379404

    SHA1

    17db49e318799aababdb5714ab11640d45305da7

    SHA256

    8d6999c428da4d3c9079911399534de992fb5de15cb06f614a7b310ed888403f

    SHA512

    3fe2028beb12b61e9ec4fdd4639e17095229342ae0c3c71d8553168e3f8410a1ced02deef67a844d2e58a99479e0e4a9c2cfd496db64a0c2dd8df576d13269d9

  • C:\Users\Admin\AppData\Local\Temp\is-V3LAV.tmp\7b78ca5ff4569c26b77ef487e533b921.tmp

    Filesize

    2.0MB

    MD5

    ec40fa288f9975516c383bf22dd63a45

    SHA1

    fca298ad0b4f39b93fdf2fac930a0678e08a2423

    SHA256

    cfc77f0e4ded95a227c92e2bf2973cc7e52423b86e4ff30786738aa4e42c8a77

    SHA512

    1ff473d15ffae7e353c2d18731b7b26dfce3003c3cd3543ca9e90af727de92274a6162cfb75af326c12408d546e51a231fb7b9ddd77e352b840d015021546ee7

  • memory/2508-52-0x0000000000400000-0x000000000172B000-memory.dmp

    Filesize

    19.2MB

  • memory/2508-51-0x0000000000400000-0x000000000172B000-memory.dmp

    Filesize

    19.2MB

  • memory/2508-53-0x0000000000400000-0x000000000172B000-memory.dmp

    Filesize

    19.2MB

  • memory/2508-54-0x00000000043A0000-0x00000000043A1000-memory.dmp

    Filesize

    4KB

  • memory/2508-57-0x0000000000400000-0x000000000172B000-memory.dmp

    Filesize

    19.2MB

  • memory/2508-79-0x0000000000400000-0x000000000172B000-memory.dmp

    Filesize

    19.2MB

  • memory/3940-2-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

  • memory/3940-0-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

  • memory/3940-55-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

  • memory/4260-6-0x0000000000950000-0x0000000000951000-memory.dmp

    Filesize

    4KB

  • memory/4260-56-0x0000000000400000-0x0000000000679000-memory.dmp

    Filesize

    2.5MB

  • memory/4260-58-0x0000000000950000-0x0000000000951000-memory.dmp

    Filesize

    4KB