Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    07/08/2024, 08:47

General

  • Target

    2024-08-07_1af96f3df896e372d866bc3f870d4b5f_cryptolocker.exe

  • Size

    393KB

  • MD5

    1af96f3df896e372d866bc3f870d4b5f

  • SHA1

    0dd00f9f6624f37189aa023a8af36bc04c9add29

  • SHA256

    73dddf15d94254daa2a16d04424a537dde3b1107b5c1d906aa9573b0eb46c3da

  • SHA512

    2991105d6155f04775992995765ab89e79a0bf72b12449474fcc586f87fe4da952404ec4c92ed9dd55db3ae68d7e326fef8a6875f1caf052b9daa54674e5deb7

  • SSDEEP

    6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXRr:nnOflT/ZFIjBz3xjTxynGUOUhXRr

Score
7/10

Malware Config

Signatures

  • 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).

  • 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.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-08-07_1af96f3df896e372d866bc3f870d4b5f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-07_1af96f3df896e372d866bc3f870d4b5f_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2732
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    394KB

    MD5

    22dbc83b481d8be6cd3385199475c894

    SHA1

    7ab9cfda9e3b021d485a1656a4b25f884054bda2

    SHA256

    d6042d761b3938e9d7882180aa6c4093d075f8438ea7c4b13b92480d12a8ebd6

    SHA512

    e2b9fbdffdf59ea080ab49b1603b07e0c0d6be8162379223528d091ab8a4ac8eab253b782fff5536e671e3fae2e54c2b6f6e72764bad209251650c814c14dd2d

  • memory/2732-8-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/2732-1-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

    Filesize

    24KB

  • memory/2732-0-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/2800-15-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

    Filesize

    24KB

  • memory/2800-22-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

    Filesize

    24KB