Analysis

  • max time kernel
    178s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 00:09

General

  • Target

    0abaa3acf9e8b0cdcc7e85f4d8ccf061bce5edea8350250c5faf7d89478820ac.exe

  • Size

    144KB

  • MD5

    2d477db9ec804ce5010a38623e863567

  • SHA1

    0ef07531fbf13a1c49d77d60af533eaf76b58bf8

  • SHA256

    0abaa3acf9e8b0cdcc7e85f4d8ccf061bce5edea8350250c5faf7d89478820ac

  • SHA512

    c00d5d77cbb4d326c1bf1d2a452c0392f98180a3b8752a5a376ceeafdc75783de3c98b797d920354f660c5e36194ee597a9a38705f1f0425e641d93918642e77

  • SSDEEP

    3072:aul0tiAvmqm7H/NrJpQvnPfUbHiMU6bPDb:t0tiKmP7lrD+nHUbHQ6L

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 28 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious use of SetThreadContext 2 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 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0abaa3acf9e8b0cdcc7e85f4d8ccf061bce5edea8350250c5faf7d89478820ac.exe
    "C:\Users\Admin\AppData\Local\Temp\0abaa3acf9e8b0cdcc7e85f4d8ccf061bce5edea8350250c5faf7d89478820ac.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1388
    • C:\Users\Admin\AppData\Local\Temp\0abaa3acf9e8b0cdcc7e85f4d8ccf061bce5edea8350250c5faf7d89478820ac.exe
      74
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Loads dropped DLL
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1384
      • C:\Users\Admin\peiil.exe
        "C:\Users\Admin\peiil.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:268
        • C:\Users\Admin\peiil.exe
          74
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Maps connected drives based on registry
          • Drops autorun.inf file
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:1972

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\peiil.exe

    Filesize

    144KB

    MD5

    2d477db9ec804ce5010a38623e863567

    SHA1

    0ef07531fbf13a1c49d77d60af533eaf76b58bf8

    SHA256

    0abaa3acf9e8b0cdcc7e85f4d8ccf061bce5edea8350250c5faf7d89478820ac

    SHA512

    c00d5d77cbb4d326c1bf1d2a452c0392f98180a3b8752a5a376ceeafdc75783de3c98b797d920354f660c5e36194ee597a9a38705f1f0425e641d93918642e77

  • C:\Users\Admin\peiil.exe

    Filesize

    144KB

    MD5

    2d477db9ec804ce5010a38623e863567

    SHA1

    0ef07531fbf13a1c49d77d60af533eaf76b58bf8

    SHA256

    0abaa3acf9e8b0cdcc7e85f4d8ccf061bce5edea8350250c5faf7d89478820ac

    SHA512

    c00d5d77cbb4d326c1bf1d2a452c0392f98180a3b8752a5a376ceeafdc75783de3c98b797d920354f660c5e36194ee597a9a38705f1f0425e641d93918642e77

  • C:\Users\Admin\peiil.exe

    Filesize

    144KB

    MD5

    2d477db9ec804ce5010a38623e863567

    SHA1

    0ef07531fbf13a1c49d77d60af533eaf76b58bf8

    SHA256

    0abaa3acf9e8b0cdcc7e85f4d8ccf061bce5edea8350250c5faf7d89478820ac

    SHA512

    c00d5d77cbb4d326c1bf1d2a452c0392f98180a3b8752a5a376ceeafdc75783de3c98b797d920354f660c5e36194ee597a9a38705f1f0425e641d93918642e77

  • \Users\Admin\peiil.exe

    Filesize

    144KB

    MD5

    2d477db9ec804ce5010a38623e863567

    SHA1

    0ef07531fbf13a1c49d77d60af533eaf76b58bf8

    SHA256

    0abaa3acf9e8b0cdcc7e85f4d8ccf061bce5edea8350250c5faf7d89478820ac

    SHA512

    c00d5d77cbb4d326c1bf1d2a452c0392f98180a3b8752a5a376ceeafdc75783de3c98b797d920354f660c5e36194ee597a9a38705f1f0425e641d93918642e77

  • \Users\Admin\peiil.exe

    Filesize

    144KB

    MD5

    2d477db9ec804ce5010a38623e863567

    SHA1

    0ef07531fbf13a1c49d77d60af533eaf76b58bf8

    SHA256

    0abaa3acf9e8b0cdcc7e85f4d8ccf061bce5edea8350250c5faf7d89478820ac

    SHA512

    c00d5d77cbb4d326c1bf1d2a452c0392f98180a3b8752a5a376ceeafdc75783de3c98b797d920354f660c5e36194ee597a9a38705f1f0425e641d93918642e77

  • memory/268-66-0x0000000000000000-mapping.dmp

  • memory/1384-63-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

    Filesize

    8KB

  • memory/1384-56-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1384-62-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1384-59-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1384-57-0x00000000004010EC-mapping.dmp

  • memory/1384-80-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1972-72-0x00000000004010EC-mapping.dmp

  • memory/1972-78-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1972-81-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB