Analysis

  • max time kernel
    143s
  • max time network
    148s
  • 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 17:12

General

  • Target

    7cf33d1885ad3b_JC.exe

  • Size

    83KB

  • MD5

    7cf33d1885ad3b4c9881f0cc1f0af957

  • SHA1

    30f6467e10eb00cc9de9498d7fa91820b34a6491

  • SHA256

    74f5b39bc7388e8dff9ec642368e5121cdb65eaa697b42ddfeb1c406c533c8ea

  • SHA512

    2f2a787f60d4310523ec5e87aaa4f91a4373eb42970ad4bd4ccc713494bd23fdb5a3428c7041507069a44149dd9c167300d327b2ff08cd9b4d39aec678fc0cb2

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRXrZSUfFKaw2QdDXDc:xj+VGMOtEvwDpjubwQEI8UtwQ

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\7cf33d1885ad3b_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\7cf33d1885ad3b_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4524
    • 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:3128

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    83KB

    MD5

    0cb778d7fd996be837bddc3427500421

    SHA1

    84e4a6eeda6bde14de1e4b7c16c0a360c7ee5132

    SHA256

    daf31bd43a9b78d469ad1e28df9ddb9fa2e81e7d4e568e728d037af89725a647

    SHA512

    ce1188af424a214ac504c524c9a4d938271c1adaeb6f0aa572489cb56a545693f32acc2a602468d18bdbfdda27c55982afbac5b8996bccfeb59d8bb56fe940e2

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

    Filesize

    83KB

    MD5

    0cb778d7fd996be837bddc3427500421

    SHA1

    84e4a6eeda6bde14de1e4b7c16c0a360c7ee5132

    SHA256

    daf31bd43a9b78d469ad1e28df9ddb9fa2e81e7d4e568e728d037af89725a647

    SHA512

    ce1188af424a214ac504c524c9a4d938271c1adaeb6f0aa572489cb56a545693f32acc2a602468d18bdbfdda27c55982afbac5b8996bccfeb59d8bb56fe940e2

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

    Filesize

    83KB

    MD5

    0cb778d7fd996be837bddc3427500421

    SHA1

    84e4a6eeda6bde14de1e4b7c16c0a360c7ee5132

    SHA256

    daf31bd43a9b78d469ad1e28df9ddb9fa2e81e7d4e568e728d037af89725a647

    SHA512

    ce1188af424a214ac504c524c9a4d938271c1adaeb6f0aa572489cb56a545693f32acc2a602468d18bdbfdda27c55982afbac5b8996bccfeb59d8bb56fe940e2

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3128-153-0x0000000001F70000-0x0000000001F76000-memory.dmp

    Filesize

    24KB

  • memory/3128-152-0x0000000001F50000-0x0000000001F56000-memory.dmp

    Filesize

    24KB

  • memory/3128-181-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4524-133-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4524-134-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4524-135-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4524-136-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/4524-150-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB