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Analysis

  • max time kernel
    122s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    07/03/2024, 19:57

General

  • Target

    b3c302e71dd1fecbfa70ac49d1a0b3bc773d4c8173fa2b5c25d5e547ce36d39b.exe

  • Size

    84KB

  • MD5

    56177e87c4e684efe7fcdd9f0a143765

  • SHA1

    5e8af71204c42ce90b7aab50e2c96681520c1a69

  • SHA256

    b3c302e71dd1fecbfa70ac49d1a0b3bc773d4c8173fa2b5c25d5e547ce36d39b

  • SHA512

    681bede282a4f9ccb4a926013081d4888e3581873cc3374a71884fcb42d815f5cebce404a3bbfb061b943da43bd31f77b28f5d0c6bb47a82f49364fcf08475ee

  • SSDEEP

    1536:+azWlKzJVcNp++yQNS6xNNCT2l8NE8llbpTaCJRpsWr6cdaQTJSvYYS7Q8xg:yFNpo6rIKlUE8fbkqRfbaQlaYYSg

Score
8/10

Malware Config

Signatures

  • Manipulates Digital Signatures 1 TTPs 4 IoCs

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

  • Modifies registry class 21 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3c302e71dd1fecbfa70ac49d1a0b3bc773d4c8173fa2b5c25d5e547ce36d39b.exe
    "C:\Users\Admin\AppData\Local\Temp\b3c302e71dd1fecbfa70ac49d1a0b3bc773d4c8173fa2b5c25d5e547ce36d39b.exe"
    1⤵
    • Manipulates Digital Signatures
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe"
      2⤵
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:2472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    67KB

    MD5

    753df6889fd7410a2e9fe333da83a429

    SHA1

    3c425f16e8267186061dd48ac1c77c122962456e

    SHA256

    b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

    SHA512

    9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

  • C:\Users\Admin\AppData\Local\Temp\Tar2D4F.tmp

    Filesize

    175KB

    MD5

    dd73cead4b93366cf3465c8cd32e2796

    SHA1

    74546226dfe9ceb8184651e920d1dbfb432b314e

    SHA256

    a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

    SHA512

    ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

  • memory/2472-0-0x00000000003C0000-0x00000000003C8000-memory.dmp

    Filesize

    32KB

  • memory/2472-1-0x000007FEF5CA0000-0x000007FEF668C000-memory.dmp

    Filesize

    9.9MB

  • memory/2472-2-0x000000001B1B0000-0x000000001B230000-memory.dmp

    Filesize

    512KB

  • memory/2472-3-0x000000001B1B0000-0x000000001B230000-memory.dmp

    Filesize

    512KB

  • memory/2472-72-0x000007FEF5CA0000-0x000007FEF668C000-memory.dmp

    Filesize

    9.9MB

  • memory/2472-73-0x000000001B1B0000-0x000000001B230000-memory.dmp

    Filesize

    512KB

  • memory/2472-74-0x000000001B1B0000-0x000000001B230000-memory.dmp

    Filesize

    512KB