Analysis

  • max time kernel
    140s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/07/2023, 18:05

General

  • Target

    ff6bc03fd04c24exe_JC.exe

  • Size

    64KB

  • MD5

    ff6bc03fd04c24da28226bb7ebcdda65

  • SHA1

    3a9cba4c74fb7a2609c5de66d0d0676b66d04d04

  • SHA256

    df85929922f95ab932229d43cde026c8724f1d2447092934e13280f9ea1a83cc

  • SHA512

    0d4176dc6093bb5b83cd04ff74dffdab6f52b43dc62b650931302639e955b086b425e1095030c12c08d48bc7efbade2154f476d167e27061385b23ea074637f1

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HyCyh7vtRJ4BqKb1cKtbC5:vCjsIOtEvwDpj5Hv0l

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\ff6bc03fd04c24exe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\ff6bc03fd04c24exe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1432
    • 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:4724

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    64KB

    MD5

    7abc0638a9cfe2cea286d85b6c825f7a

    SHA1

    6e31ce95b8b680b4b78287793652f1be70a2b30b

    SHA256

    e71b67015ecc56152172bfa4198caaab07ec56cbe1595ce19970da5f28b45e25

    SHA512

    7233b3ff010c41f8d4d73b0436ff62e0dd7578064f91cffa06f4336e40d464350e739ed06ff9943b8296652b3faf8948a3d0f113cac9edb98beacd036839ad0a

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

    Filesize

    64KB

    MD5

    7abc0638a9cfe2cea286d85b6c825f7a

    SHA1

    6e31ce95b8b680b4b78287793652f1be70a2b30b

    SHA256

    e71b67015ecc56152172bfa4198caaab07ec56cbe1595ce19970da5f28b45e25

    SHA512

    7233b3ff010c41f8d4d73b0436ff62e0dd7578064f91cffa06f4336e40d464350e739ed06ff9943b8296652b3faf8948a3d0f113cac9edb98beacd036839ad0a

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

    Filesize

    64KB

    MD5

    7abc0638a9cfe2cea286d85b6c825f7a

    SHA1

    6e31ce95b8b680b4b78287793652f1be70a2b30b

    SHA256

    e71b67015ecc56152172bfa4198caaab07ec56cbe1595ce19970da5f28b45e25

    SHA512

    7233b3ff010c41f8d4d73b0436ff62e0dd7578064f91cffa06f4336e40d464350e739ed06ff9943b8296652b3faf8948a3d0f113cac9edb98beacd036839ad0a

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1432-133-0x00000000021C0000-0x00000000021C6000-memory.dmp

    Filesize

    24KB

  • memory/1432-134-0x00000000021C0000-0x00000000021C6000-memory.dmp

    Filesize

    24KB

  • memory/1432-135-0x00000000020E0000-0x00000000020E6000-memory.dmp

    Filesize

    24KB

  • memory/4724-150-0x00000000005D0000-0x00000000005D6000-memory.dmp

    Filesize

    24KB

  • memory/4724-151-0x0000000000560000-0x0000000000566000-memory.dmp

    Filesize

    24KB