Analysis

  • max time kernel
    153s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2022 20:57

General

  • Target

    aac79cbe3e30a4bc699a25ab330d951d6ad7b42b25c66a77ff1b7676b738356b.exe

  • Size

    355KB

  • MD5

    ff481f4c8fccf03ef83a7e7f54f6385d

  • SHA1

    09d2797be0059562804469d5277f87475bec1470

  • SHA256

    aac79cbe3e30a4bc699a25ab330d951d6ad7b42b25c66a77ff1b7676b738356b

  • SHA512

    93b189df6f875a50de5675609c1da9c9e397e9f383d080fd2ea8e8597bae79e25d53fdcbf5116fec75aae01d2127b57a655a64f80166782319e96aff7b7e6b66

  • SSDEEP

    6144:A2gbSUjtb9CCIXI7V7Ub/ZY0dTmQcG9u5IJLD+SmwNDJf2gcPJkX5Fl:KbAZZNJmGfJLCkN9f2nPJkXrl

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 6 IoCs
  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 3 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Drops autorun.inf file 1 TTPs 25 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 4 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 9 IoCs
  • Suspicious use of SendNotifyMessage 8 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aac79cbe3e30a4bc699a25ab330d951d6ad7b42b25c66a77ff1b7676b738356b.exe
    "C:\Users\Admin\AppData\Local\Temp\aac79cbe3e30a4bc699a25ab330d951d6ad7b42b25c66a77ff1b7676b738356b.exe"
    1⤵
    • Drops file in Drivers directory
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Program Files\VideoLAN\VLC\vlc.exe
      "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Windows\AE 0124 BE.wav"
      2⤵
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3108
    • C:\Windows\SysWOW64\drivers\winlogon.exe
      "C:\Windows\System32\drivers\winlogon.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Checks computer location settings
      • Drops autorun.inf file
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1708
      • C:\Windows\AE 0124 BE.exe
        "C:\Windows\AE 0124 BE.exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Loads dropped DLL
        • Drops desktop.ini file(s)
        • Drops autorun.inf file
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3572
        • C:\Windows\SysWOW64\drivers\winlogon.exe
          "C:\Windows\System32\drivers\winlogon.exe"
          4⤵
          • Drops file in Drivers directory
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetWindowsHookEx
          PID:5080
      • C:\Windows\SysWOW64\drivers\winlogon.exe
        "C:\Windows\System32\drivers\winlogon.exe"
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        PID:3196

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\AE 0124 BE.exe

    Filesize

    40KB

    MD5

    c97ea6b6a25d712db885370a3e349024

    SHA1

    d9ba66d79d76ea15feb68c72e9a8efec0fa3029c

    SHA256

    5f485bef324b34a9d3dec0f969919b5586bcf5dc5ce1426adc3e8f73f1fc3b35

    SHA512

    cac63e9ba0007dae7358a0755c6421174af92e079d4b79a1808e6983fd0ca3b11ddb6aeae91f1c5ef33aef9ba8e39e9174890c86b90a907b0c231d48af7c0ada

  • C:\Windows\AE 0124 BE.exe

    Filesize

    40KB

    MD5

    c97ea6b6a25d712db885370a3e349024

    SHA1

    d9ba66d79d76ea15feb68c72e9a8efec0fa3029c

    SHA256

    5f485bef324b34a9d3dec0f969919b5586bcf5dc5ce1426adc3e8f73f1fc3b35

    SHA512

    cac63e9ba0007dae7358a0755c6421174af92e079d4b79a1808e6983fd0ca3b11ddb6aeae91f1c5ef33aef9ba8e39e9174890c86b90a907b0c231d48af7c0ada

  • C:\Windows\AE 0124 BE.wav

    Filesize

    355KB

    MD5

    70c41972b7f370ece3b8254343514155

    SHA1

    88150c277f71a0f36db7bcbb341c88f908774296

    SHA256

    0863d8e63c325faaabf16262bed2c52b1747a95c5dd8ab7920e238e64972656f

    SHA512

    4b6a84bf2b85a43c1393cc95bd4c32b73931ef5aa0628c412c2ad43c25eca1787f8a135ad8c6834c60685b8f49c907f80fd43365a7234708b23827bfd0aa938f

  • C:\Windows\AE 0124 BE.wav

    Filesize

    375KB

    MD5

    8199d0d2ab6f3cde7b8e9fc8a3eeb338

    SHA1

    8b8bdf42f630918508785547f5bffe6678c697a7

    SHA256

    f63aa8affc400a9b0246040722ed8ef8161689f2016377c285729f77d9043adc

    SHA512

    a71767bb6e98872b70eafb21ce600d48df2618d2b7631102d8344b9c15832d62ec13f7378b3a5be4619e5e428acac506dca60cda2283416eb43586a5aed74369

  • C:\Windows\Msvbvm60.dll

    Filesize

    1.4MB

    MD5

    25f62c02619174b35851b0e0455b3d94

    SHA1

    4e8ee85157f1769f6e3f61c0acbe59072209da71

    SHA256

    898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

    SHA512

    f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

  • C:\Windows\Msvbvm60.dll

    Filesize

    1.4MB

    MD5

    25f62c02619174b35851b0e0455b3d94

    SHA1

    4e8ee85157f1769f6e3f61c0acbe59072209da71

    SHA256

    898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

    SHA512

    f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

  • C:\Windows\SysWOW64\drivers\MSVBVM60.DLL

    Filesize

    1.4MB

    MD5

    25f62c02619174b35851b0e0455b3d94

    SHA1

    4e8ee85157f1769f6e3f61c0acbe59072209da71

    SHA256

    898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

    SHA512

    f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

  • C:\Windows\SysWOW64\drivers\Msvbvm60.dll

    Filesize

    1.4MB

    MD5

    25f62c02619174b35851b0e0455b3d94

    SHA1

    4e8ee85157f1769f6e3f61c0acbe59072209da71

    SHA256

    898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

    SHA512

    f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

  • C:\Windows\SysWOW64\drivers\Msvbvm60.dll

    Filesize

    1.4MB

    MD5

    25f62c02619174b35851b0e0455b3d94

    SHA1

    4e8ee85157f1769f6e3f61c0acbe59072209da71

    SHA256

    898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

    SHA512

    f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

  • C:\Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    40KB

    MD5

    c97ea6b6a25d712db885370a3e349024

    SHA1

    d9ba66d79d76ea15feb68c72e9a8efec0fa3029c

    SHA256

    5f485bef324b34a9d3dec0f969919b5586bcf5dc5ce1426adc3e8f73f1fc3b35

    SHA512

    cac63e9ba0007dae7358a0755c6421174af92e079d4b79a1808e6983fd0ca3b11ddb6aeae91f1c5ef33aef9ba8e39e9174890c86b90a907b0c231d48af7c0ada

  • C:\Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    40KB

    MD5

    c97ea6b6a25d712db885370a3e349024

    SHA1

    d9ba66d79d76ea15feb68c72e9a8efec0fa3029c

    SHA256

    5f485bef324b34a9d3dec0f969919b5586bcf5dc5ce1426adc3e8f73f1fc3b35

    SHA512

    cac63e9ba0007dae7358a0755c6421174af92e079d4b79a1808e6983fd0ca3b11ddb6aeae91f1c5ef33aef9ba8e39e9174890c86b90a907b0c231d48af7c0ada

  • C:\Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    40KB

    MD5

    c97ea6b6a25d712db885370a3e349024

    SHA1

    d9ba66d79d76ea15feb68c72e9a8efec0fa3029c

    SHA256

    5f485bef324b34a9d3dec0f969919b5586bcf5dc5ce1426adc3e8f73f1fc3b35

    SHA512

    cac63e9ba0007dae7358a0755c6421174af92e079d4b79a1808e6983fd0ca3b11ddb6aeae91f1c5ef33aef9ba8e39e9174890c86b90a907b0c231d48af7c0ada

  • C:\Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    40KB

    MD5

    c97ea6b6a25d712db885370a3e349024

    SHA1

    d9ba66d79d76ea15feb68c72e9a8efec0fa3029c

    SHA256

    5f485bef324b34a9d3dec0f969919b5586bcf5dc5ce1426adc3e8f73f1fc3b35

    SHA512

    cac63e9ba0007dae7358a0755c6421174af92e079d4b79a1808e6983fd0ca3b11ddb6aeae91f1c5ef33aef9ba8e39e9174890c86b90a907b0c231d48af7c0ada

  • \??\c:\B1uv3nth3x1.diz

    Filesize

    21B

    MD5

    9cceaa243c5d161e1ce41c7dad1903dd

    SHA1

    e3da72675df53fffa781d4377d1d62116eafb35b

    SHA256

    814649b436ea43dd2abb99693e06019d4079ee74d02a0395913add0ba92d0189

    SHA512

    af9b75dc9a0b39d12d48bf6d40eb7d778eb9dd976302792271d8d4245a916027cf4e705d6cd7a5e6582ba94953346f291122f27d377b2c1a86e45f49e92efb5b

  • \??\c:\B1uv3nth3x1.diz

    Filesize

    21B

    MD5

    9cceaa243c5d161e1ce41c7dad1903dd

    SHA1

    e3da72675df53fffa781d4377d1d62116eafb35b

    SHA256

    814649b436ea43dd2abb99693e06019d4079ee74d02a0395913add0ba92d0189

    SHA512

    af9b75dc9a0b39d12d48bf6d40eb7d778eb9dd976302792271d8d4245a916027cf4e705d6cd7a5e6582ba94953346f291122f27d377b2c1a86e45f49e92efb5b