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Analysis

  • max time kernel
    146s
  • max time network
    129s
  • 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, 18:37

General

  • Target

    a504db401316cf_JC.exe

  • Size

    58KB

  • MD5

    a504db401316cf27f741ffeafa8fdb4d

  • SHA1

    988f118a76ded31141956b9e8494ac96284bbaa9

  • SHA256

    7b94cf4f377ba1d7fcbeacc685939acee785cfaec4368b878adbdce7c078f005

  • SHA512

    816c73c2eea43c98f867c8fda413b318fb92afb62472c6f21dad5629004a7c330f6c276a81ebbc4b20dde5d0aa86d5056dfefcabe4e734e570451e8c43e84777

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HyCyh7vtRJ4BqKb1kMw:vCjsIOtEvwDpj5Hv09

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\a504db401316cf_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\a504db401316cf_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2212
    • 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:4836

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    58KB

    MD5

    971d07e05d32c8f83634e366d323f77d

    SHA1

    59cfb67384668f334b7a41471626cc308bd230e2

    SHA256

    1766976e1fdc743d5db43b26c2e79cc1532efc729466097cef4e01fffbfa69b0

    SHA512

    6806526f2251e3297295bd56c97b1be0de71abc6602f790fb95ce0db3e6395b515cf4f03f0f8b00eabe1777f5baa8a7dca39e4f5553a404c7f1282aa71025150

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

    Filesize

    58KB

    MD5

    971d07e05d32c8f83634e366d323f77d

    SHA1

    59cfb67384668f334b7a41471626cc308bd230e2

    SHA256

    1766976e1fdc743d5db43b26c2e79cc1532efc729466097cef4e01fffbfa69b0

    SHA512

    6806526f2251e3297295bd56c97b1be0de71abc6602f790fb95ce0db3e6395b515cf4f03f0f8b00eabe1777f5baa8a7dca39e4f5553a404c7f1282aa71025150

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

    Filesize

    58KB

    MD5

    971d07e05d32c8f83634e366d323f77d

    SHA1

    59cfb67384668f334b7a41471626cc308bd230e2

    SHA256

    1766976e1fdc743d5db43b26c2e79cc1532efc729466097cef4e01fffbfa69b0

    SHA512

    6806526f2251e3297295bd56c97b1be0de71abc6602f790fb95ce0db3e6395b515cf4f03f0f8b00eabe1777f5baa8a7dca39e4f5553a404c7f1282aa71025150

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2212-133-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/2212-134-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/2212-135-0x00000000021B0000-0x00000000021B6000-memory.dmp

    Filesize

    24KB

  • memory/4836-151-0x0000000002070000-0x0000000002076000-memory.dmp

    Filesize

    24KB

  • memory/4836-150-0x0000000000670000-0x0000000000676000-memory.dmp

    Filesize

    24KB