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Analysis

  • max time kernel
    141s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/07/2023, 17:06

General

  • Target

    7b9b8feb4df6d5_JC.exe

  • Size

    74KB

  • MD5

    7b9b8feb4df6d5bd529d65ce277d4258

  • SHA1

    95befb2c391c12568bb01a738dc09a2b702a67a1

  • SHA256

    11c83375b6ac3ba8c1f48182edb693ca383f8f7312a9a7d337425abfe87d2fd6

  • SHA512

    c41a1d66b40807fa0dd57bfc363ec446ca08af6f920019ff6aa7a65621eb357e9f2439357887cb4cd033b14a691be8650556f9dd153ddf11e8a7629bd74779a9

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWant:vCjsIOtEvwDpj5H9YvQd2Lt

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\7b9b8feb4df6d5_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\7b9b8feb4df6d5_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1040
    • 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:3336

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    74KB

    MD5

    bb7f1eefc0f9fc6bbe5923e5d6a35f82

    SHA1

    f15cf0b0070e405d727f78580bf57021cf101b51

    SHA256

    ac2d4e52178b186696a042d8233235ce84516a8c47e3694c55c1d21e31a9ae40

    SHA512

    f8f3d78edb7f43192b6ca0ce696a2a4c56c63187531e950206d1f8daf20aabd46e540e4ca853a775e479e774a50fde0e7289f3a8373f380878ab8220a3e1a96a

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

    Filesize

    74KB

    MD5

    bb7f1eefc0f9fc6bbe5923e5d6a35f82

    SHA1

    f15cf0b0070e405d727f78580bf57021cf101b51

    SHA256

    ac2d4e52178b186696a042d8233235ce84516a8c47e3694c55c1d21e31a9ae40

    SHA512

    f8f3d78edb7f43192b6ca0ce696a2a4c56c63187531e950206d1f8daf20aabd46e540e4ca853a775e479e774a50fde0e7289f3a8373f380878ab8220a3e1a96a

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

    Filesize

    74KB

    MD5

    bb7f1eefc0f9fc6bbe5923e5d6a35f82

    SHA1

    f15cf0b0070e405d727f78580bf57021cf101b51

    SHA256

    ac2d4e52178b186696a042d8233235ce84516a8c47e3694c55c1d21e31a9ae40

    SHA512

    f8f3d78edb7f43192b6ca0ce696a2a4c56c63187531e950206d1f8daf20aabd46e540e4ca853a775e479e774a50fde0e7289f3a8373f380878ab8220a3e1a96a

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1040-133-0x00000000007F0000-0x00000000007F6000-memory.dmp

    Filesize

    24KB

  • memory/1040-134-0x00000000007F0000-0x00000000007F6000-memory.dmp

    Filesize

    24KB

  • memory/1040-135-0x0000000000820000-0x0000000000826000-memory.dmp

    Filesize

    24KB

  • memory/3336-151-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/3336-150-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB