Analysis

  • max time kernel
    58s
  • max time network
    61s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 14:49

General

  • Target

    1ee8eaa2d5a11ba162d890542b8f1e5c54cfc3ff98e27e7f51fcf33f7fd6097e.exe

  • Size

    416KB

  • MD5

    5ac2af7ef78cacb1e54321a938aec045

  • SHA1

    949d5734c40864f7ec3b291059fa7448badf37ea

  • SHA256

    1ee8eaa2d5a11ba162d890542b8f1e5c54cfc3ff98e27e7f51fcf33f7fd6097e

  • SHA512

    dae6ccb702480a634fea987b2d2d876e2cd96a73345c2beb173e873eb27b5cf7bba26b74cd043a95a0e7f867aff15393903f4b70ace3280ac93a4d3d7499904c

  • SSDEEP

    12288:gmNOqos4qQXvvcKKHGVuO+RfwWs3ODb3lI:vx+uOuseDbl

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 3 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Control Panel 4 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1ee8eaa2d5a11ba162d890542b8f1e5c54cfc3ff98e27e7f51fcf33f7fd6097e.exe
    "C:\Users\Admin\AppData\Local\Temp\1ee8eaa2d5a11ba162d890542b8f1e5c54cfc3ff98e27e7f51fcf33f7fd6097e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5044
    • C:\Users\Admin\AppData\Local\Temp\1ee8eaa2d5a11ba162d890542b8f1e5c54cfc3ff98e27e7f51fcf33f7fd6097e.exe
      "C:\Users\Admin\AppData\Local\Temp\1ee8eaa2d5a11ba162d890542b8f1e5c54cfc3ff98e27e7f51fcf33f7fd6097e.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Looks for VirtualBox Guest Additions in registry
      • Adds policy Run key to start application
      • Looks for VMWare Tools registry key
      • Checks BIOS information in registry
      • Drops startup file
      • Adds Run key to start application
      • Modifies Control Panel
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\IEUpdate\certreq.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\IEUpdate\certreq.exe"
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Adds policy Run key to start application
        • Executes dropped EXE
        • Adds Run key to start application
        • Modifies Control Panel
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:596
      • C:\Users\Admin\AppData\Local\Temp\tmp14C0.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp14C0.exe" "C:\Users\Admin\AppData\Local\Temp\1ee8eaa2d5a11ba162d890542b8f1e5c54cfc3ff98e27e7f51fcf33f7fd6097e.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:944
        • C:\Users\Admin\AppData\Local\Temp\tmp14C0.exe
          "C:\Users\Admin\AppData\Local\Temp\tmp14C0.exe" "C:\Users\Admin\AppData\Local\Temp\1ee8eaa2d5a11ba162d890542b8f1e5c54cfc3ff98e27e7f51fcf33f7fd6097e.exe"
          4⤵
          • Executes dropped EXE
          PID:2028
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ping 127.0.0.1 >> nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3636
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\IEUpdate\certreq.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\IEUpdate\certreq.exe"
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          PID:2136
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:3992

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\$Recycle.bin\S-1-5-21-2295526160-1155304984-640977766-1000\$ast-S-1-5-21-2295526160-1155304984-640977766-1000\8HDkCa0a_rQ1ZPxEHYEIVBzV.dat

    Filesize

    5KB

    MD5

    3a3f8bdf6cc1e3dfdcd38815830a8441

    SHA1

    d2d4bebbb0921aa653a70baa8b9bebb0561fbfb0

    SHA256

    58b72dcca074e78da948855921a6725e1bd494ce8c927ea0bc00d72907139424

    SHA512

    893d05aeb5d36250a728cbfec78f59662ee1bc6a1f235ccfa1808262d5994c7c50f05fd00711ec9afbf5e8445f94af396f45beece82fec8f6011a01c46c66648

  • C:\$Recycle.bin\S-1-5-21-2295526160-1155304984-640977766-1000\$ast-S-1-5-21-2295526160-1155304984-640977766-1000\pFJlpF3LXuXDvKn1hA5hHgzZJ.dat

    Filesize

    130KB

    MD5

    c062426b9f1c8d75f2dbcf1673e1bdf1

    SHA1

    f53aa0c7ba81e3975c5392112480837cb419ae0c

    SHA256

    b592055975c24fc8e35783a61a57db607a05f3bbc967b4d68d5aacc2db56b793

    SHA512

    0178d74e92e263e683b2e44a14a6e8705af04be864133afdba10d818d87e98b5522b4d762cd5fb999f8cd7446eae275522e692957463cc3b8e082872d63a6216

  • C:\$Recycle.bin\S-1-5-21-2295526160-1155304984-640977766-1000\$ast-S-1-5-21-2295526160-1155304984-640977766-1000\qynAi5mkGMjqMe9AN.dat

    Filesize

    21KB

    MD5

    cea0778e168a2748de2550b29abc9984

    SHA1

    169b20226fc5ce25062373b2d9ede62970924f51

    SHA256

    80f30efe1aa1dfb82f908ad16e8121fec6d5c7e81c7ec40855bb673b47cabc47

    SHA512

    0efd0457a3b9c6f05d0d1c7d3eabc548a20dbd58447cd1292364ba194ec6dfd0d1ee2dcb819787b836f7e8493fcc58b7de495700c6fbfbfe81ceee14ba77e022

  • C:\Users\Admin\AppData\Local\Temp\tmp14C0.exe

    Filesize

    416KB

    MD5

    5ac2af7ef78cacb1e54321a938aec045

    SHA1

    949d5734c40864f7ec3b291059fa7448badf37ea

    SHA256

    1ee8eaa2d5a11ba162d890542b8f1e5c54cfc3ff98e27e7f51fcf33f7fd6097e

    SHA512

    dae6ccb702480a634fea987b2d2d876e2cd96a73345c2beb173e873eb27b5cf7bba26b74cd043a95a0e7f867aff15393903f4b70ace3280ac93a4d3d7499904c

  • C:\Users\Admin\AppData\Local\Temp\tmp14C0.exe

    Filesize

    416KB

    MD5

    5ac2af7ef78cacb1e54321a938aec045

    SHA1

    949d5734c40864f7ec3b291059fa7448badf37ea

    SHA256

    1ee8eaa2d5a11ba162d890542b8f1e5c54cfc3ff98e27e7f51fcf33f7fd6097e

    SHA512

    dae6ccb702480a634fea987b2d2d876e2cd96a73345c2beb173e873eb27b5cf7bba26b74cd043a95a0e7f867aff15393903f4b70ace3280ac93a4d3d7499904c

  • C:\Users\Admin\AppData\Local\Temp\tmp14C0.exe

    Filesize

    406KB

    MD5

    beb0b521683495855a45a9cb637545ae

    SHA1

    e130ff9c724d1aee07eefdd7bc01ebad0346be80

    SHA256

    aa6651bf08476fafd4a1719cd2370e368600873b348a71041b8d197be9e296ef

    SHA512

    303baa05f7dacb1f6abc2adad02d887210f5fd8e94de61690d76750f86e70f33f76cb551818dbe0fa59c59af31c7676f97791990915b48f85d1291e5a571a26a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\IEUpdate\certreq.exe

    Filesize

    130KB

    MD5

    c9ee8262d460488f6b51312e15ff9934

    SHA1

    d8bcc7546017ef31be02fe20a77fe4a6b144086a

    SHA256

    3bf69a0352f137e0e41de4f11949c79908319253ea6af9e5d022c4853a872af4

    SHA512

    42b81243343ac0e5036874157630533756c37398b926d996c5af054a36c499c729383ae000b6167485b07ec10ae53566325ba2aed209d8c3ba55582134c2ef7a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\IEUpdate\certreq.exe

    Filesize

    130KB

    MD5

    c9ee8262d460488f6b51312e15ff9934

    SHA1

    d8bcc7546017ef31be02fe20a77fe4a6b144086a

    SHA256

    3bf69a0352f137e0e41de4f11949c79908319253ea6af9e5d022c4853a872af4

    SHA512

    42b81243343ac0e5036874157630533756c37398b926d996c5af054a36c499c729383ae000b6167485b07ec10ae53566325ba2aed209d8c3ba55582134c2ef7a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\IEUpdate\certreq.exe

    Filesize

    130KB

    MD5

    c9ee8262d460488f6b51312e15ff9934

    SHA1

    d8bcc7546017ef31be02fe20a77fe4a6b144086a

    SHA256

    3bf69a0352f137e0e41de4f11949c79908319253ea6af9e5d022c4853a872af4

    SHA512

    42b81243343ac0e5036874157630533756c37398b926d996c5af054a36c499c729383ae000b6167485b07ec10ae53566325ba2aed209d8c3ba55582134c2ef7a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\StartUp\certreq.lnk

    Filesize

    1KB

    MD5

    974cd2cf7d001877034e95745ad87d87

    SHA1

    ad1c0f2fbb28f3d2c901614155c6ed8549544c9b

    SHA256

    61b94d9d3a40faf58acfa8d53b8de6c8dad8e68155ef877bdeeff651b8fa2fd8

    SHA512

    c722fd96f77da79f98535ba1e8dc41f15953bd52e6afee2a3b286f6e51ca393d921c4a40be6e4c21b51a7111f89294025d542f04515644c8bbc24ac234f32c54

  • memory/596-157-0x0000000000000000-mapping.dmp

  • memory/596-174-0x0000000003BC0000-0x0000000003BCB000-memory.dmp

    Filesize

    44KB

  • memory/596-173-0x0000000003BC0000-0x0000000003BCB000-memory.dmp

    Filesize

    44KB

  • memory/944-160-0x0000000000000000-mapping.dmp

  • memory/2028-195-0x0000000000000000-mapping.dmp

  • memory/2136-165-0x0000000000000000-mapping.dmp

  • memory/2676-156-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB

  • memory/2676-155-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB

  • memory/2676-164-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB

  • memory/2676-152-0x0000000000000000-mapping.dmp

  • memory/2676-153-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB

  • memory/3008-172-0x0000000002140000-0x0000000002165000-memory.dmp

    Filesize

    148KB

  • memory/3636-162-0x0000000000000000-mapping.dmp

  • memory/3992-168-0x0000000000000000-mapping.dmp