Analysis

  • max time kernel
    142s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/08/2023, 16:07

General

  • Target

    2e65dc3e3fac9ca075da2a7357ae39b2_cryptolocker_JC.exe

  • Size

    87KB

  • MD5

    2e65dc3e3fac9ca075da2a7357ae39b2

  • SHA1

    83b984952363496b46140e4861db19037b410924

  • SHA256

    6142ec969fd88052a11fff61a08328f2d7585df8a64fa586ea9b75ebe4ef00e9

  • SHA512

    9732305159df39761f7a13e036b8c44bbe7f35ee116f236d5b9eb0026a0c580cd6d52e80c9fc51c9c805aab1f0a61d8ff91e1c8f599ada685ae72ddf3786340f

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDj9G:zCsanOtEvwDpjF

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\2e65dc3e3fac9ca075da2a7357ae39b2_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\2e65dc3e3fac9ca075da2a7357ae39b2_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5060
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    87KB

    MD5

    c7d98a3ae31ab7bd19eb983c629d4653

    SHA1

    1f21006fb73c7f4492b4abcb517631ffb856ad50

    SHA256

    3215b0a1a965057696b360b07c85c2c21daa21218aa37d6319b58f3f661dc9d1

    SHA512

    0b136a81bb9f5814e7aea2aae104661aeddc4d4c1ad20c179ea8a1dcf978c8f4b3c119fd9a04cebc2f87378386d51dadf70f34bb8d827920c8312d5f2a4e3577

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

    Filesize

    87KB

    MD5

    c7d98a3ae31ab7bd19eb983c629d4653

    SHA1

    1f21006fb73c7f4492b4abcb517631ffb856ad50

    SHA256

    3215b0a1a965057696b360b07c85c2c21daa21218aa37d6319b58f3f661dc9d1

    SHA512

    0b136a81bb9f5814e7aea2aae104661aeddc4d4c1ad20c179ea8a1dcf978c8f4b3c119fd9a04cebc2f87378386d51dadf70f34bb8d827920c8312d5f2a4e3577

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

    Filesize

    87KB

    MD5

    c7d98a3ae31ab7bd19eb983c629d4653

    SHA1

    1f21006fb73c7f4492b4abcb517631ffb856ad50

    SHA256

    3215b0a1a965057696b360b07c85c2c21daa21218aa37d6319b58f3f661dc9d1

    SHA512

    0b136a81bb9f5814e7aea2aae104661aeddc4d4c1ad20c179ea8a1dcf978c8f4b3c119fd9a04cebc2f87378386d51dadf70f34bb8d827920c8312d5f2a4e3577

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1500-153-0x00000000007D0000-0x00000000007D6000-memory.dmp

    Filesize

    24KB

  • memory/1500-152-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/1500-181-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/5060-133-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/5060-134-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/5060-135-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/5060-136-0x00000000021B0000-0x00000000021B6000-memory.dmp

    Filesize

    24KB

  • memory/5060-150-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB