Analysis

  • max time kernel
    143s
  • 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
    22-08-2023 16:49

General

  • Target

    6c144a08a41c979260d1e6bc68389522_cryptolocker_JC.exe

  • Size

    36KB

  • MD5

    6c144a08a41c979260d1e6bc68389522

  • SHA1

    f48afbb300fbdd054601bc591be10a14dcec51a7

  • SHA256

    d89ba9e24a913a4b9046c76fd271dec5e05af828291ca42a7194e3f7bc0056c2

  • SHA512

    1e3676a81e6bd15c34f8346a0c5e703b747ca89334c9675685a1dd6abd6e394f4f541a4459639b5e9db501e20473e82e5c650cab600226af6a7ec9c672dff44d

  • SSDEEP

    384:60VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26aIIcVRYpetOOtEvwDpjqIGRmdHzOOW:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6g

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\6c144a08a41c979260d1e6bc68389522_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\6c144a08a41c979260d1e6bc68389522_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3356
    • 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:3728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    36KB

    MD5

    8a0283f27b1dc72e9585f3762d5a6b8d

    SHA1

    63b8b82e2dc195c6503e4258fdfb5fa7a2cadb5b

    SHA256

    a62d7bacce5b56f5091ab8d70316e57be3758e32ad5248c21cac9ed6590bc9d8

    SHA512

    333b5352dc2f7c1affebe7ccca3c13004e7363c1ed1eb08c923cfc1a8a40f81cbc2e7564e9854721b6e1e0dbf4c4f7ef5cf31ae1cf1953b61d66d45ae69487f0

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

    Filesize

    36KB

    MD5

    8a0283f27b1dc72e9585f3762d5a6b8d

    SHA1

    63b8b82e2dc195c6503e4258fdfb5fa7a2cadb5b

    SHA256

    a62d7bacce5b56f5091ab8d70316e57be3758e32ad5248c21cac9ed6590bc9d8

    SHA512

    333b5352dc2f7c1affebe7ccca3c13004e7363c1ed1eb08c923cfc1a8a40f81cbc2e7564e9854721b6e1e0dbf4c4f7ef5cf31ae1cf1953b61d66d45ae69487f0

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

    Filesize

    36KB

    MD5

    8a0283f27b1dc72e9585f3762d5a6b8d

    SHA1

    63b8b82e2dc195c6503e4258fdfb5fa7a2cadb5b

    SHA256

    a62d7bacce5b56f5091ab8d70316e57be3758e32ad5248c21cac9ed6590bc9d8

    SHA512

    333b5352dc2f7c1affebe7ccca3c13004e7363c1ed1eb08c923cfc1a8a40f81cbc2e7564e9854721b6e1e0dbf4c4f7ef5cf31ae1cf1953b61d66d45ae69487f0

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3356-133-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3356-134-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/3356-135-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/3356-136-0x00000000005C0000-0x00000000005C6000-memory.dmp

    Filesize

    24KB

  • memory/3356-150-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3728-152-0x0000000000670000-0x0000000000676000-memory.dmp

    Filesize

    24KB

  • memory/3728-153-0x0000000002100000-0x0000000002106000-memory.dmp

    Filesize

    24KB

  • memory/3728-181-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB