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Analysis

  • max time kernel
    152s
  • max time network
    78s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 10:12

General

  • Target

    c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4.exe

  • Size

    244KB

  • MD5

    e437fd9e347d5c57c58f9f01ef12dbaf

  • SHA1

    ba857edce2202d47451ca40784099e4d99f61aa7

  • SHA256

    c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4

  • SHA512

    c33d5c595848b9824bac52b98f2d90334d0b0a02020c793e2bd2e97f2683cc0a427e5fc8887b966876ef88a69d52ea0ad81fd87513bc067f0675707b3274732c

  • SSDEEP

    3072:7hPBdfsROnFQpQnO5yIuSP9lqVinU3bp/PTm2moJ6BwA+GABMndgSq6u:7hJdLO7PnqVinU3bw2moJ6WAdgBH

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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4.exe
    "C:\Users\Admin\AppData\Local\Temp\c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4.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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Users\Admin\puoar.exe
      "C:\Users\Admin\puoar.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:1040

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\puoar.exe

    Filesize

    244KB

    MD5

    84e2daaa86d39480729513d130fa9df6

    SHA1

    b6a1b87546100d76743f253e220a8f60b6572e1b

    SHA256

    43740b303f3bb841bb66f07ccf2fbf7be9237c2e3f6bf3fdca8e3b5eb559903e

    SHA512

    66f987008088946d1ed816cd5e863176f51c5c21feaae9562933296a7d2270b71705c6ab28a1eb7004b5a222037252ef6422ecdfbd5d54307cfa5b826850cb5d

  • C:\Users\Admin\puoar.exe

    Filesize

    244KB

    MD5

    84e2daaa86d39480729513d130fa9df6

    SHA1

    b6a1b87546100d76743f253e220a8f60b6572e1b

    SHA256

    43740b303f3bb841bb66f07ccf2fbf7be9237c2e3f6bf3fdca8e3b5eb559903e

    SHA512

    66f987008088946d1ed816cd5e863176f51c5c21feaae9562933296a7d2270b71705c6ab28a1eb7004b5a222037252ef6422ecdfbd5d54307cfa5b826850cb5d

  • \Users\Admin\puoar.exe

    Filesize

    244KB

    MD5

    84e2daaa86d39480729513d130fa9df6

    SHA1

    b6a1b87546100d76743f253e220a8f60b6572e1b

    SHA256

    43740b303f3bb841bb66f07ccf2fbf7be9237c2e3f6bf3fdca8e3b5eb559903e

    SHA512

    66f987008088946d1ed816cd5e863176f51c5c21feaae9562933296a7d2270b71705c6ab28a1eb7004b5a222037252ef6422ecdfbd5d54307cfa5b826850cb5d

  • \Users\Admin\puoar.exe

    Filesize

    244KB

    MD5

    84e2daaa86d39480729513d130fa9df6

    SHA1

    b6a1b87546100d76743f253e220a8f60b6572e1b

    SHA256

    43740b303f3bb841bb66f07ccf2fbf7be9237c2e3f6bf3fdca8e3b5eb559903e

    SHA512

    66f987008088946d1ed816cd5e863176f51c5c21feaae9562933296a7d2270b71705c6ab28a1eb7004b5a222037252ef6422ecdfbd5d54307cfa5b826850cb5d

  • memory/1664-56-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

    Filesize

    8KB