Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/08/2023, 17:08

General

  • Target

    08d4708558c3dae4ba45433412b4faac_cryptolocker_JC.exe

  • Size

    62KB

  • MD5

    08d4708558c3dae4ba45433412b4faac

  • SHA1

    679f0d30f5bdc5415c5b0153e78837f85154b5bb

  • SHA256

    eebc248924289abe093056dc8ad407605e3bdcba6b4267734ebdd8dd3675b53e

  • SHA512

    8053ccdf2646f03e0f4f55b67488719cecf7a7edf0bbca0f1396cbf9c782a96a6bac9f4ef53e3d8be70598a2fb07c46310f42d992d44551de762956c66fb750a

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MqUTCK:xj+VGMOtEvwDpjubwQE6

Score
7/10

Malware Config

Signatures

  • 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\08d4708558c3dae4ba45433412b4faac_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\08d4708558c3dae4ba45433412b4faac_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1608
    • 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:3504

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    62KB

    MD5

    6e2e1cf3004991230488df40f3e081ec

    SHA1

    e659bd72eb7c461c537dbb3b57c5862fea0b274c

    SHA256

    7ee35b3afcfa2760ff63dfa7a93ecff0c0828706f85f107f78cec4d64a59cfeb

    SHA512

    482ffb580bd03c3048c3733b4ade763572373be3e9e05d5fb7cce9751e858d8c2a63b607ad0a66f299a5cc1c949395e4be833a1559e25247dc0a2997351acc71

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

    Filesize

    62KB

    MD5

    6e2e1cf3004991230488df40f3e081ec

    SHA1

    e659bd72eb7c461c537dbb3b57c5862fea0b274c

    SHA256

    7ee35b3afcfa2760ff63dfa7a93ecff0c0828706f85f107f78cec4d64a59cfeb

    SHA512

    482ffb580bd03c3048c3733b4ade763572373be3e9e05d5fb7cce9751e858d8c2a63b607ad0a66f299a5cc1c949395e4be833a1559e25247dc0a2997351acc71

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

    Filesize

    62KB

    MD5

    6e2e1cf3004991230488df40f3e081ec

    SHA1

    e659bd72eb7c461c537dbb3b57c5862fea0b274c

    SHA256

    7ee35b3afcfa2760ff63dfa7a93ecff0c0828706f85f107f78cec4d64a59cfeb

    SHA512

    482ffb580bd03c3048c3733b4ade763572373be3e9e05d5fb7cce9751e858d8c2a63b607ad0a66f299a5cc1c949395e4be833a1559e25247dc0a2997351acc71

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1608-134-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/1608-135-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/1608-136-0x0000000000540000-0x0000000000546000-memory.dmp

    Filesize

    24KB

  • memory/1608-133-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1608-151-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3504-150-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3504-154-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/3504-153-0x00000000005C0000-0x00000000005C6000-memory.dmp

    Filesize

    24KB

  • memory/3504-182-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB