Analysis

  • max time kernel
    96s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/09/2024, 05:45

General

  • Target

    2024-09-09_78079d771a51a70641295e470253b06f_cryptolocker.exe

  • Size

    39KB

  • MD5

    78079d771a51a70641295e470253b06f

  • SHA1

    39a92cdef89ad15373104279fcd0289b4ca0d158

  • SHA256

    00d9e773d5147aa0691263b5d89ae9b8ed8fbb6079555c37d1906a508e0eee58

  • SHA512

    2ac34aacc3501739cbb380726be544ef801dce2852526443e3b602c4a408ac09c77168dc261b2aa5d7581e5867edcfa561e58b5418b26eb54b5f0955d74caf9d

  • SSDEEP

    768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4ql:fT+hsMQMOtEvwDpjoIHe

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\2024-09-09_78079d771a51a70641295e470253b06f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-09_78079d771a51a70641295e470253b06f_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4960
    • 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:1112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    39KB

    MD5

    3c359b34684b619479d1fd01aa982718

    SHA1

    82b827ee9ea55d6c8554cd45197b8c0ac64a3c6e

    SHA256

    ccc547f9b004b03af6ed9280a9268e8d20dc587bc3454517bf934d861b173f67

    SHA512

    230bb5178d276488c90d3fc77f913eceb74b71023e7bfc6a1cf1b9b37f6c455886ae2a402bf1f35a27c6531b44734c57b29b04d8104f3d42d9d8ff67dafd46fa

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1112-23-0x0000000001F50000-0x0000000001F56000-memory.dmp

    Filesize

    24KB

  • memory/1112-17-0x0000000001F70000-0x0000000001F76000-memory.dmp

    Filesize

    24KB

  • memory/4960-0-0x0000000002300000-0x0000000002306000-memory.dmp

    Filesize

    24KB

  • memory/4960-1-0x0000000002300000-0x0000000002306000-memory.dmp

    Filesize

    24KB

  • memory/4960-2-0x00000000021A0000-0x00000000021A6000-memory.dmp

    Filesize

    24KB