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Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/07/2023, 17:19

General

  • Target

    2023-06-04_f875745f3c0628_JC.exe

  • Size

    35KB

  • MD5

    f875745f3c06282614fef50dbb7b91f9

  • SHA1

    e64180f93eb25f0900d9551e2b3ffe4901f93b23

  • SHA256

    e85f9db9532e3951cfb64e85da821811a9ce1bc5d9b9075b5106a70f790a044c

  • SHA512

    99943b438b29b719901065af411bdf74c03c0b9c63ccabd89a59dd03245e97a50a043db57acdbd04f1e247080b75096deeec6083bce2150d3486d9f3bf1e1508

  • SSDEEP

    768:q0ZziOWwULueOSdE8tOOtEvwDpjej4AYsqSh+DETkejlst:q0zizzOSxMOtEvwDpjC39+D+5ZU

Score
7/10

Malware Config

Signatures

  • 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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2023-06-04_f875745f3c0628_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-06-04_f875745f3c0628_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:5048
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2792

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    36KB

    MD5

    45c6cc1ffd32bed1cc988d4b5f098fe3

    SHA1

    f913b769a026572749e179be13d09eabad4262db

    SHA256

    36fb85894232cd6d23501ff2712c482de6cd339b1135d698ffe335cf25ae98bf

    SHA512

    4418eb7341e32143c2eee0922fce5d584738131941f1cf37acb961eaf41ad4c23dac5ca259b01871b392a2b5a6f7b3625e701ee59b21ec9ce1fd11977b9b7536

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

    Filesize

    36KB

    MD5

    45c6cc1ffd32bed1cc988d4b5f098fe3

    SHA1

    f913b769a026572749e179be13d09eabad4262db

    SHA256

    36fb85894232cd6d23501ff2712c482de6cd339b1135d698ffe335cf25ae98bf

    SHA512

    4418eb7341e32143c2eee0922fce5d584738131941f1cf37acb961eaf41ad4c23dac5ca259b01871b392a2b5a6f7b3625e701ee59b21ec9ce1fd11977b9b7536

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

    Filesize

    36KB

    MD5

    45c6cc1ffd32bed1cc988d4b5f098fe3

    SHA1

    f913b769a026572749e179be13d09eabad4262db

    SHA256

    36fb85894232cd6d23501ff2712c482de6cd339b1135d698ffe335cf25ae98bf

    SHA512

    4418eb7341e32143c2eee0922fce5d584738131941f1cf37acb961eaf41ad4c23dac5ca259b01871b392a2b5a6f7b3625e701ee59b21ec9ce1fd11977b9b7536

  • memory/2792-152-0x00000000020F0000-0x00000000020F6000-memory.dmp

    Filesize

    24KB

  • memory/2792-153-0x00000000020D0000-0x00000000020D6000-memory.dmp

    Filesize

    24KB

  • memory/2792-159-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/5048-133-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/5048-134-0x0000000002050000-0x0000000002056000-memory.dmp

    Filesize

    24KB

  • memory/5048-135-0x0000000002050000-0x0000000002056000-memory.dmp

    Filesize

    24KB

  • memory/5048-136-0x0000000002070000-0x0000000002076000-memory.dmp

    Filesize

    24KB

  • memory/5048-150-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB