Analysis

  • max time kernel
    143s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/08/2023, 18:22

General

  • Target

    a0e2e1a5c503f82bab70d613a67da12c_cryptolocker_JC.exe

  • Size

    56KB

  • MD5

    a0e2e1a5c503f82bab70d613a67da12c

  • SHA1

    b18968b59c0deee2a3794037845358fac9eb0c35

  • SHA256

    33d1869fab13e021e01435b26c7c642a29a2a9d3843ad74cff8bc8e70976a7e5

  • SHA512

    e6c6ee0f2b33764ea1aed794bc539999120fa3e0c5570c4d3517e8f28ed60fe71f3ec9e5fd98ca39826d4fc1f752c2d6446e17b211a64f44feca14a4410c7e00

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HyCyh7vtRJ4BqKb1kZ:vCjsIOtEvwDpj5Hv0d

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\a0e2e1a5c503f82bab70d613a67da12c_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\a0e2e1a5c503f82bab70d613a67da12c_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1296
    • 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:3052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    56KB

    MD5

    bb958dcc8c2e4af487745584f684672a

    SHA1

    4085c002f3b029e085fba494397eae06a3367608

    SHA256

    e2fd42f731cfc2bb0f1c37ee760f766bdeee1cb8132fc8c07abb2c1c51bb073c

    SHA512

    5fb1a445d851b6c0a673a29d9506d5acd8367c67b59d9ccc6052c02c6337e6646e52c7270be4366ce86df3e8dc22f45fdefd66e289edf9c95ffaa85158128614

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

    Filesize

    56KB

    MD5

    bb958dcc8c2e4af487745584f684672a

    SHA1

    4085c002f3b029e085fba494397eae06a3367608

    SHA256

    e2fd42f731cfc2bb0f1c37ee760f766bdeee1cb8132fc8c07abb2c1c51bb073c

    SHA512

    5fb1a445d851b6c0a673a29d9506d5acd8367c67b59d9ccc6052c02c6337e6646e52c7270be4366ce86df3e8dc22f45fdefd66e289edf9c95ffaa85158128614

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

    Filesize

    56KB

    MD5

    bb958dcc8c2e4af487745584f684672a

    SHA1

    4085c002f3b029e085fba494397eae06a3367608

    SHA256

    e2fd42f731cfc2bb0f1c37ee760f766bdeee1cb8132fc8c07abb2c1c51bb073c

    SHA512

    5fb1a445d851b6c0a673a29d9506d5acd8367c67b59d9ccc6052c02c6337e6646e52c7270be4366ce86df3e8dc22f45fdefd66e289edf9c95ffaa85158128614

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1296-133-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/1296-134-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/1296-135-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/3052-150-0x0000000002110000-0x0000000002116000-memory.dmp

    Filesize

    24KB

  • memory/3052-151-0x00000000020E0000-0x00000000020E6000-memory.dmp

    Filesize

    24KB