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Analysis

  • max time kernel
    139s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/07/2023, 17:25

General

  • Target

    8f1d9382d5ec38exeexeexeex.exe

  • Size

    75KB

  • MD5

    8f1d9382d5ec3860556c15decf8190b0

  • SHA1

    134326e167f04e19734b21edb5f34382eba088d5

  • SHA256

    79f892993ff775351a7ee1b7e52805747e37bb2ac8c8614f84ba2490f9acd9f8

  • SHA512

    53a7553d8a3cdb24e70ba3e8bcac373ed268d5ecd62066e1991649c79d6678c0a6ce95692377f2fe8f1765cc9664e34c2b61dd70f6217d041c7a901bc85c6b9f

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfVtx:vCjsIOtEvwDpj5H9YvQd2J

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 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).

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f1d9382d5ec38exeexeexeex.exe
    "C:\Users\Admin\AppData\Local\Temp\8f1d9382d5ec38exeexeexeex.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4424
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1956

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    76KB

    MD5

    dab02e92672c4d19e84f93a4ecc3ac6c

    SHA1

    9245b08970dd68deb75e56fb0e3cb4626edbb03d

    SHA256

    bba756070492d37a2e3c9d8f93fceb9b2374759c4a4a2605ddf669672ff35b1f

    SHA512

    f6ba416550bcab70e618ea4b342946bc2789ae21d844be57794f4982b6554e2b193d81558fde46298fa73a88bfcf232f847f2bcc90eb4831ac0274aca7edf722

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

    Filesize

    76KB

    MD5

    dab02e92672c4d19e84f93a4ecc3ac6c

    SHA1

    9245b08970dd68deb75e56fb0e3cb4626edbb03d

    SHA256

    bba756070492d37a2e3c9d8f93fceb9b2374759c4a4a2605ddf669672ff35b1f

    SHA512

    f6ba416550bcab70e618ea4b342946bc2789ae21d844be57794f4982b6554e2b193d81558fde46298fa73a88bfcf232f847f2bcc90eb4831ac0274aca7edf722

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

    Filesize

    76KB

    MD5

    dab02e92672c4d19e84f93a4ecc3ac6c

    SHA1

    9245b08970dd68deb75e56fb0e3cb4626edbb03d

    SHA256

    bba756070492d37a2e3c9d8f93fceb9b2374759c4a4a2605ddf669672ff35b1f

    SHA512

    f6ba416550bcab70e618ea4b342946bc2789ae21d844be57794f4982b6554e2b193d81558fde46298fa73a88bfcf232f847f2bcc90eb4831ac0274aca7edf722

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1956-149-0x0000000002060000-0x0000000002066000-memory.dmp

    Filesize

    24KB

  • memory/4424-133-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/4424-134-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB