Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/07/2024, 00:01

General

  • Target

    2024-07-22_1195cccbe0a6e3a23b608ef42639f64a_cryptolocker.exe

  • Size

    51KB

  • MD5

    1195cccbe0a6e3a23b608ef42639f64a

  • SHA1

    cfb39aa297e500eac2168f6ee6d4e75db1a3d045

  • SHA256

    357f39be184c100e737b87c05eda81103a1b9fd77681b7e0a167d5dac1479d93

  • SHA512

    ab30670c74fb3d1c3ba5347aa1429aad73cdbae68f0fd07f0ae807ba3cd3d9dcf4f12c206c868131928e72aae0f260d0357fe02b1f4a7e02603978fa24a74d29

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0nj:vj+jsMQMOtEvwDpj5HczerLO04B4

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 7 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-07-22_1195cccbe0a6e3a23b608ef42639f64a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-22_1195cccbe0a6e3a23b608ef42639f64a_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:4156

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    51KB

    MD5

    641a7e2f403c9c5a5733791a2a20b17f

    SHA1

    14f819fd7ef50c8d048acf72c1f2faa9ba69646d

    SHA256

    89d3af8c8e8a99c2deaab255a4fc8951a60f4375df69b23944825bf85189d962

    SHA512

    d2eeb697cbeca282a46712994f27fd9445e215043b9f3a69d6a21a65400909368bbdf2682e8854ff99bbd4f1450101d20429ef235195eedec2e1b0469ab366c4

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1360-0-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/1360-1-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/1360-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

    Filesize

    24KB

  • memory/4156-17-0x0000000000650000-0x0000000000656000-memory.dmp

    Filesize

    24KB

  • memory/4156-23-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB