Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2024 17:34

General

  • Target

    2024-01-25_ad6562c0751562b129cdeea6fce97260_cryptolocker.exe

  • Size

    46KB

  • MD5

    ad6562c0751562b129cdeea6fce97260

  • SHA1

    67a283b892fef575cc38d4b2a06843644cf1176e

  • SHA256

    314c051136e3767a6848a8bfb7f1ab7dbd8cc219eaf08a65a40b30b641ef7eef

  • SHA512

    b98a5b301eabeba16802fb3fef728c6f71aa9a6cba564374e6d1bdf6c752fb43953f4619f74a7056f1f80c19556a42571ee95c0691a327ff6fff065d0bfee965

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr46xdUUuuMX:vj+jsMQMOtEvwDpj5Hczer5ixuMX

Score
10/10

Malware Config

Signatures

  • Kinsing

    Kinsing is a loader written in Golang.

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • 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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-25_ad6562c0751562b129cdeea6fce97260_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-25_ad6562c0751562b129cdeea6fce97260_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3940
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      PID:4976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    46KB

    MD5

    47685b5afca149acb89bfac57ef30a24

    SHA1

    7e09aa1fa3ee863fdd63c0699768f05f5f655218

    SHA256

    2d1e8b53e11bd0af25be28801f20dd565d1eafa031b7cb3229100f0763cae9e0

    SHA512

    3bd519c9fb6ad62d44bc7da3f8009cc6218aa5896e416bc7ceac2d68f2fb274c4791c8c7654bd0a5885741899e6f7be341e8f60af5859be489fead69afc785a1

  • memory/3940-0-0x00000000021A0000-0x00000000021A6000-memory.dmp

    Filesize

    24KB

  • memory/3940-2-0x00000000021C0000-0x00000000021C6000-memory.dmp

    Filesize

    24KB

  • memory/3940-1-0x00000000021A0000-0x00000000021A6000-memory.dmp

    Filesize

    24KB

  • memory/4976-17-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/4976-23-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB