Analysis

  • max time kernel
    151s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2022, 19:50

General

  • Target

    4b4f04f5923ffb6008f9046a20373fd4be81b1a45de8235830e4ddd2d9c5a99e.exe

  • Size

    192KB

  • MD5

    a184a7b2cb20fd894e7b2c47fce2989c

  • SHA1

    5a23438166d4720b7380a52a23e89ae584a935d9

  • SHA256

    4b4f04f5923ffb6008f9046a20373fd4be81b1a45de8235830e4ddd2d9c5a99e

  • SHA512

    b0f48cbdfda6ea7c14ee7bcac699e4fdf03431fc942da692680aa14ed3b4ceb2a1c4682a0d8cf8ec2c9f158de5d1e6aaf3d8a71eae40947f2e8f8906c36f944b

  • SSDEEP

    3072:DOm0VJOSokrwInQrLS4kZxPQtmnU9Ri7TJAc1BkHy8IA9aVsV2Bq:Km0VJOvI6S4QQtOU9ROp8/V28

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 29 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b4f04f5923ffb6008f9046a20373fd4be81b1a45de8235830e4ddd2d9c5a99e.exe
    "C:\Users\Admin\AppData\Local\Temp\4b4f04f5923ffb6008f9046a20373fd4be81b1a45de8235830e4ddd2d9c5a99e.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Users\Admin\quoupoy.exe
      "C:\Users\Admin\quoupoy.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:992

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\quoupoy.exe

    Filesize

    192KB

    MD5

    d916eb91d3152fe771ee8854b4cd52f2

    SHA1

    48807bf1f0aca6cd6de04a24e68f057be1439f23

    SHA256

    879bcd721fdd0b761b78acd436f2a864a3e7430ce24459e2e855bb400b52c276

    SHA512

    f6216914820eaca95be638c97b1e847f156e368a3880ad9f7d6051d47690f437c473b72368cd12610f2ec068278bd2e8a980b95cca3c6d943685ffd15b7911e3

  • C:\Users\Admin\quoupoy.exe

    Filesize

    192KB

    MD5

    d916eb91d3152fe771ee8854b4cd52f2

    SHA1

    48807bf1f0aca6cd6de04a24e68f057be1439f23

    SHA256

    879bcd721fdd0b761b78acd436f2a864a3e7430ce24459e2e855bb400b52c276

    SHA512

    f6216914820eaca95be638c97b1e847f156e368a3880ad9f7d6051d47690f437c473b72368cd12610f2ec068278bd2e8a980b95cca3c6d943685ffd15b7911e3

  • \Users\Admin\quoupoy.exe

    Filesize

    192KB

    MD5

    d916eb91d3152fe771ee8854b4cd52f2

    SHA1

    48807bf1f0aca6cd6de04a24e68f057be1439f23

    SHA256

    879bcd721fdd0b761b78acd436f2a864a3e7430ce24459e2e855bb400b52c276

    SHA512

    f6216914820eaca95be638c97b1e847f156e368a3880ad9f7d6051d47690f437c473b72368cd12610f2ec068278bd2e8a980b95cca3c6d943685ffd15b7911e3

  • \Users\Admin\quoupoy.exe

    Filesize

    192KB

    MD5

    d916eb91d3152fe771ee8854b4cd52f2

    SHA1

    48807bf1f0aca6cd6de04a24e68f057be1439f23

    SHA256

    879bcd721fdd0b761b78acd436f2a864a3e7430ce24459e2e855bb400b52c276

    SHA512

    f6216914820eaca95be638c97b1e847f156e368a3880ad9f7d6051d47690f437c473b72368cd12610f2ec068278bd2e8a980b95cca3c6d943685ffd15b7911e3

  • memory/1464-56-0x0000000075B51000-0x0000000075B53000-memory.dmp

    Filesize

    8KB