Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    20-02-2024 11:51

General

  • Target

    2024-02-20_f79d12cfa1930154c93dad8aacb36cc5_cryptolocker.exe

  • Size

    82KB

  • MD5

    f79d12cfa1930154c93dad8aacb36cc5

  • SHA1

    6462ba6423262f3d01eb9df83d77346e7dec9c87

  • SHA256

    52b7b4bbe3616b5bffab60bada4632fd5622661fc1e1226bb61b9319bf522f07

  • SHA512

    d10b917ab292db1483466cd44fca374d18af9ffab960eab78a06d293184794aa1f36ffba689ff920f83286befdf04d301f4813553f053c9e0f03318f79c7deb7

  • SSDEEP

    768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLa5VccPtNw5CS95yFPFH2:V6QFElP6n+gMQMOtEvwDpjyaLccVNly

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-02-20_f79d12cfa1930154c93dad8aacb36cc5_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-20_f79d12cfa1930154c93dad8aacb36cc5_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2360

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\asih.exe

    Filesize

    82KB

    MD5

    3507df20b2889f024f1e8d1335a0ccce

    SHA1

    48738d1764feddecc637fa38c21ad8179776554c

    SHA256

    3d84089ad6dcbf4dccb15eefaae30d4f25f200eca00b42052e724dece9a8bec3

    SHA512

    87ebf010af45cab5e831d7788117ab33c38d648e132dbf47383889199ab7a3f25e66e34591c5d709848c587173aae51dadb5542152365b93a20e9ad36ead4f6c

  • memory/1984-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

    Filesize

    24KB

  • memory/1984-1-0x00000000001E0000-0x00000000001E6000-memory.dmp

    Filesize

    24KB

  • memory/1984-2-0x0000000000210000-0x0000000000216000-memory.dmp

    Filesize

    24KB

  • memory/2360-15-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2360-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB