Analysis

  • max time kernel
    127s
  • max time network
    140s
  • 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 16:33

General

  • Target

    f9f729247069f1exe_JC.exe

  • Size

    61KB

  • MD5

    f9f729247069f15e1bdffdd28b7dbed8

  • SHA1

    d00ff03c78d5fda4570ad1e28401736190e7a2da

  • SHA256

    8da474d85633e9e8ddba586df56ef4f6b7eaac9c33296224b0322f65d18956d2

  • SHA512

    3ebb716a1ddece26255500690c94653ebf268de723aa5c3a8db56d0d242fc03dcb3be9802aa3ffe2945331d2a6f7fc27b19ce9af8b232be54e2bb76861ce1f50

  • SSDEEP

    768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MzI6:i5nkFGMOtEvwDpjNbwQEE

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\f9f729247069f1exe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\f9f729247069f1exe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4628
    • 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:372

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    61KB

    MD5

    39c7471dcd55e6b74f06a434072466ee

    SHA1

    37fe44dca5f50c82c4e1f2fbf298ce508e0a29e3

    SHA256

    b896f3358657c2cff7810de04ce806f36bd601ab7754023913a4741505e7b6e3

    SHA512

    7ab75ec7cd6a0a6ea0942fa4ad5e81be1b2a3b4895c065cf496cdd043f80e38840719311f89bfde2c9181609b48be3664bc808ce4d289e697c577d2ba329cc36

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

    Filesize

    61KB

    MD5

    39c7471dcd55e6b74f06a434072466ee

    SHA1

    37fe44dca5f50c82c4e1f2fbf298ce508e0a29e3

    SHA256

    b896f3358657c2cff7810de04ce806f36bd601ab7754023913a4741505e7b6e3

    SHA512

    7ab75ec7cd6a0a6ea0942fa4ad5e81be1b2a3b4895c065cf496cdd043f80e38840719311f89bfde2c9181609b48be3664bc808ce4d289e697c577d2ba329cc36

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

    Filesize

    61KB

    MD5

    39c7471dcd55e6b74f06a434072466ee

    SHA1

    37fe44dca5f50c82c4e1f2fbf298ce508e0a29e3

    SHA256

    b896f3358657c2cff7810de04ce806f36bd601ab7754023913a4741505e7b6e3

    SHA512

    7ab75ec7cd6a0a6ea0942fa4ad5e81be1b2a3b4895c065cf496cdd043f80e38840719311f89bfde2c9181609b48be3664bc808ce4d289e697c577d2ba329cc36

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/372-153-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/372-152-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/372-181-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4628-133-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4628-134-0x0000000002310000-0x0000000002316000-memory.dmp

    Filesize

    24KB

  • memory/4628-135-0x0000000002310000-0x0000000002316000-memory.dmp

    Filesize

    24KB

  • memory/4628-136-0x0000000002230000-0x0000000002236000-memory.dmp

    Filesize

    24KB

  • memory/4628-150-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB