Analysis

  • max time kernel
    142s
  • 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
    17-07-2023 17:00

General

  • Target

    9a1710f89e7d7c_JC.exe

  • Size

    94KB

  • MD5

    9a1710f89e7d7cccc76591e856d9eaee

  • SHA1

    b2b14a4b9961b92e9523c3e7f0043730714d1675

  • SHA256

    4fd1858a55836f2d0eee3af8f76c28650de635fb351a6a9ca451c406add96320

  • SHA512

    f8d48829e40462f0d2a75278a8262ec555eff0fb03e86a3c528133526351bc64f78a7b94ad96d1abb67cc20f5e57c435a09b6d301855df786e9b4bcfc505529d

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/Rs580giz6SJ0U/WJpq8n:ZVxkGOtEvwDpjct

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\9a1710f89e7d7c_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\9a1710f89e7d7c_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4068
    • 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:3152

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    95KB

    MD5

    86bf518e82a0c09ec3939115718a646f

    SHA1

    9eb15f30768b7731174ac8858fd94230dfbac7df

    SHA256

    d8173dfb9e24e9a7e4baa305819c3f85ddd61ce810c446bd5f136e97c2f06a6f

    SHA512

    5641e619d06b12eb1ec2f92f51363fd1bfbf3d9175be78993087ff8b9e652bc1d68a468a1dc2e97924f5053989d7f5111302ed395c76535a054a656fba846121

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

    Filesize

    95KB

    MD5

    86bf518e82a0c09ec3939115718a646f

    SHA1

    9eb15f30768b7731174ac8858fd94230dfbac7df

    SHA256

    d8173dfb9e24e9a7e4baa305819c3f85ddd61ce810c446bd5f136e97c2f06a6f

    SHA512

    5641e619d06b12eb1ec2f92f51363fd1bfbf3d9175be78993087ff8b9e652bc1d68a468a1dc2e97924f5053989d7f5111302ed395c76535a054a656fba846121

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

    Filesize

    95KB

    MD5

    86bf518e82a0c09ec3939115718a646f

    SHA1

    9eb15f30768b7731174ac8858fd94230dfbac7df

    SHA256

    d8173dfb9e24e9a7e4baa305819c3f85ddd61ce810c446bd5f136e97c2f06a6f

    SHA512

    5641e619d06b12eb1ec2f92f51363fd1bfbf3d9175be78993087ff8b9e652bc1d68a468a1dc2e97924f5053989d7f5111302ed395c76535a054a656fba846121

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3152-150-0x0000000000450000-0x0000000000453000-memory.dmp

    Filesize

    12KB

  • memory/3152-153-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/3152-154-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/4068-133-0x00000000004F0000-0x00000000004F3000-memory.dmp

    Filesize

    12KB

  • memory/4068-134-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/4068-135-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/4068-136-0x00000000005D0000-0x00000000005D6000-memory.dmp

    Filesize

    24KB

  • memory/4068-152-0x00000000004F0000-0x00000000004F3000-memory.dmp

    Filesize

    12KB