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Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2023, 15:27

General

  • Target

    14830d9f36653fd16633be626fa762c3_cryptolocker_JC.exe

  • Size

    62KB

  • MD5

    14830d9f36653fd16633be626fa762c3

  • SHA1

    c7d245cecb8719383d9f10f396cbb128cd104229

  • SHA256

    22b5cd6de14042d0d44984e4402e4a9b684c4a4d5b22333c197d74ee775149b2

  • SHA512

    c08da3259efbb553c758cab41c5c06f8472fcf30bbcd010344222cf64a962b254eef2c5bab4a410a8365e9ee00e4fd2a3a4f149eff1ff91418104cd58461a9ca

  • SSDEEP

    1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYXUXojZJW:1nK6a+qdOOtEvwDpj3

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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\14830d9f36653fd16633be626fa762c3_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\14830d9f36653fd16633be626fa762c3_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:208
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:4708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    62KB

    MD5

    5cb74bbe0190ab4e30c6a1c4a43efc7f

    SHA1

    54c157a48edf1600694413569e9d51a501487359

    SHA256

    8ec473b4aa5f7627b51101fa4cf22649117398f83d68fd62222a2c84bf8ded3d

    SHA512

    2dfdd48f21525c3047afe293878278ceaa957aec5b633ad91cd1b1ce2e6198bb0ba2ec45d07a975cc4b415e9cdd71c26523277bfcaf9f55f6ecb5ba7db319b7d

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

    Filesize

    62KB

    MD5

    5cb74bbe0190ab4e30c6a1c4a43efc7f

    SHA1

    54c157a48edf1600694413569e9d51a501487359

    SHA256

    8ec473b4aa5f7627b51101fa4cf22649117398f83d68fd62222a2c84bf8ded3d

    SHA512

    2dfdd48f21525c3047afe293878278ceaa957aec5b633ad91cd1b1ce2e6198bb0ba2ec45d07a975cc4b415e9cdd71c26523277bfcaf9f55f6ecb5ba7db319b7d

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

    Filesize

    62KB

    MD5

    5cb74bbe0190ab4e30c6a1c4a43efc7f

    SHA1

    54c157a48edf1600694413569e9d51a501487359

    SHA256

    8ec473b4aa5f7627b51101fa4cf22649117398f83d68fd62222a2c84bf8ded3d

    SHA512

    2dfdd48f21525c3047afe293878278ceaa957aec5b633ad91cd1b1ce2e6198bb0ba2ec45d07a975cc4b415e9cdd71c26523277bfcaf9f55f6ecb5ba7db319b7d

  • memory/208-133-0x0000000000500000-0x000000000050F311-memory.dmp

    Filesize

    60KB

  • memory/208-134-0x00000000007B0000-0x00000000007B6000-memory.dmp

    Filesize

    24KB

  • memory/208-135-0x00000000007B0000-0x00000000007B6000-memory.dmp

    Filesize

    24KB

  • memory/208-136-0x00000000007D0000-0x00000000007D6000-memory.dmp

    Filesize

    24KB

  • memory/208-150-0x0000000000500000-0x000000000050F311-memory.dmp

    Filesize

    60KB

  • memory/4708-153-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4708-152-0x0000000000750000-0x0000000000756000-memory.dmp

    Filesize

    24KB

  • memory/4708-159-0x0000000000500000-0x000000000050F311-memory.dmp

    Filesize

    60KB