Analysis

  • max time kernel
    135s
  • max time network
    125s
  • 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 16:26

General

  • Target

    2024-07-23_c90f2765ceeb373f301c721948977785_cryptolocker.exe

  • Size

    51KB

  • MD5

    c90f2765ceeb373f301c721948977785

  • SHA1

    a9dd9daeb38569500f4b16df938f54136f13746b

  • SHA256

    c7a2050458f91b6c9821437ecf4c8362624b7fed29367fba0e40d765bdaff05c

  • SHA512

    0eb10d2ebaabab433d56a768b3093303d52e2387bf73b5c18ef9d1e03b9636001bd042831eba27fa87e0672974cd07c81f6aea1a63c844318e63e01c5725d164

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0nT: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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-07-23_c90f2765ceeb373f301c721948977785_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-23_c90f2765ceeb373f301c721948977785_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:2868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    51KB

    MD5

    2f522d8a6b6f10320126ba4a64cf9c4c

    SHA1

    ae3e8a6b211261fc34f5c290f93cec0c18ba4889

    SHA256

    56cdeaf278dd826e0d7ff4b04bb38a78ae2d11b03fa6c4d08261b4a303e2cf99

    SHA512

    c54c825321d65d61c00b463a9c5750ca52b9ce468757abbbf8cfa9c079f6add317d4a80dbb452b1c620f639ab5b69b3b56685dc0a1748ebd289e65fc1659582e

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2248-0-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/2248-1-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/2248-2-0x0000000002230000-0x0000000002236000-memory.dmp

    Filesize

    24KB

  • memory/2868-17-0x00000000005D0000-0x00000000005D6000-memory.dmp

    Filesize

    24KB

  • memory/2868-23-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB