Analysis

  • max time kernel
    126s
  • max time network
    155s
  • 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, 18:20

General

  • Target

    97efcf3a571f7fexeexeexeex.exe

  • Size

    87KB

  • MD5

    97efcf3a571f7fff672ea2e7fcb06a62

  • SHA1

    243072804a6bb479eb920e03c6b47f1cfe08e115

  • SHA256

    ec70834f72da7850938886d02198c44383c4d97940acd911cc2638fbd418fe1a

  • SHA512

    76032cba220a202163bf190c2b8e415d8bd0d989d3bc46835454dbd2428503d0b0b3eae9d868e896ff8deb358b1c5660689974247a379bb7229ff9730feee6d2

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRXrZSUfFKaMTsLVENYk:xj+VGMOtEvwDpjubwQEI8UtusLSYk

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\97efcf3a571f7fexeexeexeex.exe
    "C:\Users\Admin\AppData\Local\Temp\97efcf3a571f7fexeexeexeex.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3720
    • 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:936

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    87KB

    MD5

    5a80e47ca0f9fef005dd84826d48d52f

    SHA1

    f9d79e85340524a839abfed288dd02f2fa38405c

    SHA256

    50bd26e50c7e38af31e29d5795a133e4a41f09749eff5281ebdf3ad1e87beeeb

    SHA512

    bbf6f0129e10eb3e2519ed88e4c7d101dbf1124d1cbf2e93269679a57f2a671ccaa20a74546262dadcc1da6f213267cf2f97351a08fe0ca768410438bf582c0f

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

    Filesize

    87KB

    MD5

    5a80e47ca0f9fef005dd84826d48d52f

    SHA1

    f9d79e85340524a839abfed288dd02f2fa38405c

    SHA256

    50bd26e50c7e38af31e29d5795a133e4a41f09749eff5281ebdf3ad1e87beeeb

    SHA512

    bbf6f0129e10eb3e2519ed88e4c7d101dbf1124d1cbf2e93269679a57f2a671ccaa20a74546262dadcc1da6f213267cf2f97351a08fe0ca768410438bf582c0f

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

    Filesize

    87KB

    MD5

    5a80e47ca0f9fef005dd84826d48d52f

    SHA1

    f9d79e85340524a839abfed288dd02f2fa38405c

    SHA256

    50bd26e50c7e38af31e29d5795a133e4a41f09749eff5281ebdf3ad1e87beeeb

    SHA512

    bbf6f0129e10eb3e2519ed88e4c7d101dbf1124d1cbf2e93269679a57f2a671ccaa20a74546262dadcc1da6f213267cf2f97351a08fe0ca768410438bf582c0f

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/936-150-0x0000000002060000-0x0000000002066000-memory.dmp

    Filesize

    24KB

  • memory/936-156-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3720-133-0x0000000002280000-0x0000000002286000-memory.dmp

    Filesize

    24KB

  • memory/3720-134-0x00000000021A0000-0x00000000021A6000-memory.dmp

    Filesize

    24KB

  • memory/3720-141-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB