Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    118s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    18/03/2024, 20:33

General

  • Target

    2024-03-18_6f6e71fb1259f94a45f5192f14a6ba5b_cryptolocker.exe

  • Size

    40KB

  • MD5

    6f6e71fb1259f94a45f5192f14a6ba5b

  • SHA1

    f57dafd1a9ae50c1d467041c1ae2048da8e97c02

  • SHA256

    200f63d2cf94209abf33bad87c590b393b485a0308f0b1875c5651c848a2c9e1

  • SHA512

    2cf67aff7bdc5a2d3a9caae9b0456b22fab0481fa454c84297b7b8c858f6f92d4beb8895fe7fb559321873ead73762db0aea623685e43ff12801309c61dc5813

  • SSDEEP

    384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzoiM8Nekdvjl9V50i3NbF0Qk/:bAvJCYOOvbRPDEgXrNekd7l94i3pF0p

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-03-18_6f6e71fb1259f94a45f5192f14a6ba5b_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-18_6f6e71fb1259f94a45f5192f14a6ba5b_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Users\Admin\AppData\Local\Temp\demka.exe
      "C:\Users\Admin\AppData\Local\Temp\demka.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    67KB

    MD5

    753df6889fd7410a2e9fe333da83a429

    SHA1

    3c425f16e8267186061dd48ac1c77c122962456e

    SHA256

    b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

    SHA512

    9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

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

    Filesize

    344B

    MD5

    4850d54b88777694a1f0a700dce992e1

    SHA1

    eaa0f66028e3953b34ba0df4bcb250537446296b

    SHA256

    75b097070eaa9971f99e3373b76bd874ce53274580d9566953208d02f0eb822f

    SHA512

    adb3beb9aad6680a094aa9039124d474bca72ae758080b8fed48bd1bcd75fcd5a1099c812619dcb0e01a15f41e57c8b04a113930685c6f0ab51647611105352f

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    242B

    MD5

    024ce9a45af01ce962ff233ef8497ce2

    SHA1

    9596e64e9515ba781ce1cb03316154dc701680e7

    SHA256

    11516b6296a3de7b806d5a9b74f40ba9ae4afe146c9c92f7aad072598dda8a8e

    SHA512

    66a90b64dcb842b874106849f60e40d1c7e96cb3699c1606e55d13c3125fa6c889410f4b4ee7c253336b8a3eed570bccec2e251c3876058ebbabc2cbb91b42be

  • C:\Users\Admin\AppData\Local\Temp\Tar1C3D.tmp

    Filesize

    175KB

    MD5

    dd73cead4b93366cf3465c8cd32e2796

    SHA1

    74546226dfe9ceb8184651e920d1dbfb432b314e

    SHA256

    a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

    SHA512

    ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

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

    Filesize

    40KB

    MD5

    4ed56e5cb5a2bb07e18dea05bf6dc14a

    SHA1

    0c39abaf2be74ee230560edf0915c28dec9508ea

    SHA256

    4a0341ebf486e4250b847ae8eac093bdc2579e689e91ced55e40c3c5297ae431

    SHA512

    61b77d0cce693304a50a7c08a34612b113e167d07e36ba32ef6217682d02dc21ccadedb7f369b3a69fa37e46824f070b851412541ae8c81d780649d5d9544d20

  • memory/2380-0-0x00000000003F0000-0x00000000003F6000-memory.dmp

    Filesize

    24KB

  • memory/2380-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2380-8-0x00000000003F0000-0x00000000003F6000-memory.dmp

    Filesize

    24KB

  • memory/3004-23-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB