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Analysis

  • max time kernel
    153s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2022, 14:10

General

  • Target

    1e91764f12fe4f3f71f0fa500ee3353c7734886ce34672e7e0f67b590db01904.exe

  • Size

    20KB

  • MD5

    65e20fe33e32e5bbfce06725da9f1390

  • SHA1

    7a8e41de13760f158edac9045d6cf64036ecafea

  • SHA256

    1e91764f12fe4f3f71f0fa500ee3353c7734886ce34672e7e0f67b590db01904

  • SHA512

    4f6c9758364541dfd362c69424c0b9242ddf4137a474615a3648100588b9127931eb5b302697d22f30189c0960757932f3d5cad164f73f346ff5dcf2541b33f7

  • SSDEEP

    192:4/bROG+bO5r+C+isnpHfB7FhO8C0lzWvI4QwFt9V+jqCNa5KDJBaV:4L+q5r+PpHfXhUkKvI4QwjQNa5KDJq

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 59 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 7 IoCs
  • Drops desktop.ini file(s) 57 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 64 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 Internet Explorer settings 1 TTPs 36 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1e91764f12fe4f3f71f0fa500ee3353c7734886ce34672e7e0f67b590db01904.exe
    "C:\Users\Admin\AppData\Local\Temp\1e91764f12fe4f3f71f0fa500ee3353c7734886ce34672e7e0f67b590db01904.exe"
    1⤵
    • Drops file in Drivers directory
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" C:\Windows\AE 0124 BE.gif
      2⤵
      • Loads dropped DLL
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1344
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1344 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1692
    • C:\Windows\SysWOW64\drivers\winlogon.exe
      "C:\Windows\System32\drivers\winlogon.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops autorun.inf file
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1624
      • C:\Windows\AE 0124 BE.exe
        "C:\Windows\AE 0124 BE.exe"
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops desktop.ini file(s)
        • Drops autorun.inf file
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:540
        • C:\Windows\SysWOW64\drivers\winlogon.exe
          "C:\Windows\System32\drivers\winlogon.exe"
          4⤵
          • Drops file in Drivers directory
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1988
      • C:\Windows\SysWOW64\drivers\winlogon.exe
        "C:\Windows\System32\drivers\winlogon.exe"
        3⤵
        • Executes dropped EXE
        PID:828

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\YOSIO372.txt

    Filesize

    603B

    MD5

    a5d1fa5202bed88d0e04a0b0c910b954

    SHA1

    e98195ae5d42407a2a39c556882b9c75ef426060

    SHA256

    5a3eb703dd58eac88cd9a6450a459d288aef561cb4056225c6e96cf28e51add9

    SHA512

    8152ffbb06d46865cc2bdc98ee7a9a289c7fb680bec119c629a1abd2702e999c7eefcce2cd5591a91b35f7cc1db6677bb9a3ac2c2339977853be379c28027881

  • C:\Windows\AE 0124 BE.exe

    Filesize

    40KB

    MD5

    7d5a7b7a6c7b24fbbf4441699deb2b5c

    SHA1

    4ab3b7cac29197e382c84e7817e5b22625c9b2cd

    SHA256

    2d8dcd9b7486a9d785c4d329a7cd1daccc262661f3228cfc78cf962f8ca5f3fb

    SHA512

    fff3075c147faecd57b48ca5703ae2dd05b26a444bf462101cd4399b5b77c97ba4112b254850913496b409e70fb34b5e50a9e405c79dc6dae60c03440e306b87

  • C:\Windows\AE 0124 BE.exe

    Filesize

    40KB

    MD5

    7d5a7b7a6c7b24fbbf4441699deb2b5c

    SHA1

    4ab3b7cac29197e382c84e7817e5b22625c9b2cd

    SHA256

    2d8dcd9b7486a9d785c4d329a7cd1daccc262661f3228cfc78cf962f8ca5f3fb

    SHA512

    fff3075c147faecd57b48ca5703ae2dd05b26a444bf462101cd4399b5b77c97ba4112b254850913496b409e70fb34b5e50a9e405c79dc6dae60c03440e306b87

  • C:\Windows\AE 0124 BE.gif

    Filesize

    20KB

    MD5

    0d5e2e43e00d824a7521bd0627a1cc3d

    SHA1

    f3d6e45e00c9b84ea7ef5068e521c819f562c831

    SHA256

    215d792d1d0e12da5aa5ac34934931d56178410798abed238418b58ee4b8fede

    SHA512

    da76a14da6633b3a4b7e075505cedbfa150dddf3da6f72ec3524026ef652e908894039d593d8ed0469c19e6015a3d1f98412a4cca74dd5c8552a3ef49107c570

  • C:\Windows\AE 0124 BE.gif

    Filesize

    40KB

    MD5

    30f7ca80a305cd73654099b91cfb35f2

    SHA1

    ec39e92e72e6f63c639d612733529a98435b8e1e

    SHA256

    c1b1285a4bba9f89e415edef6f099eaeca27ae6da76cdfccd36c9e7ad55f6f28

    SHA512

    18d242a110be722af70f49059737da9e785250f6c61d4afcd33339dbb3a20ef6aa8cc99c64ae93f7b94d6f9386eeadd4818b13f1df79d4e63ce0ed8d902835e1

  • C:\Windows\Msvbvm60.dll

    Filesize

    1.3MB

    MD5

    5343a19c618bc515ceb1695586c6c137

    SHA1

    4dedae8cbde066f31c8e6b52c0baa3f8b1117742

    SHA256

    2246b4feae199408ea66d4a90c1589026f4a5800ce5a28e583b94506a8a73dce

    SHA512

    708d8a252a167fa94e3e1a49e2630d07613ff75a9a3e779a0c1fcbec44aa853a68c401f31a2b84152f46a05f7d93f4e5e502afc7a60236a22ac58dea73fa5606

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

    Filesize

    1.3MB

    MD5

    5343a19c618bc515ceb1695586c6c137

    SHA1

    4dedae8cbde066f31c8e6b52c0baa3f8b1117742

    SHA256

    2246b4feae199408ea66d4a90c1589026f4a5800ce5a28e583b94506a8a73dce

    SHA512

    708d8a252a167fa94e3e1a49e2630d07613ff75a9a3e779a0c1fcbec44aa853a68c401f31a2b84152f46a05f7d93f4e5e502afc7a60236a22ac58dea73fa5606

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

    Filesize

    40KB

    MD5

    7d5a7b7a6c7b24fbbf4441699deb2b5c

    SHA1

    4ab3b7cac29197e382c84e7817e5b22625c9b2cd

    SHA256

    2d8dcd9b7486a9d785c4d329a7cd1daccc262661f3228cfc78cf962f8ca5f3fb

    SHA512

    fff3075c147faecd57b48ca5703ae2dd05b26a444bf462101cd4399b5b77c97ba4112b254850913496b409e70fb34b5e50a9e405c79dc6dae60c03440e306b87

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

    Filesize

    40KB

    MD5

    7d5a7b7a6c7b24fbbf4441699deb2b5c

    SHA1

    4ab3b7cac29197e382c84e7817e5b22625c9b2cd

    SHA256

    2d8dcd9b7486a9d785c4d329a7cd1daccc262661f3228cfc78cf962f8ca5f3fb

    SHA512

    fff3075c147faecd57b48ca5703ae2dd05b26a444bf462101cd4399b5b77c97ba4112b254850913496b409e70fb34b5e50a9e405c79dc6dae60c03440e306b87

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

    Filesize

    40KB

    MD5

    7d5a7b7a6c7b24fbbf4441699deb2b5c

    SHA1

    4ab3b7cac29197e382c84e7817e5b22625c9b2cd

    SHA256

    2d8dcd9b7486a9d785c4d329a7cd1daccc262661f3228cfc78cf962f8ca5f3fb

    SHA512

    fff3075c147faecd57b48ca5703ae2dd05b26a444bf462101cd4399b5b77c97ba4112b254850913496b409e70fb34b5e50a9e405c79dc6dae60c03440e306b87

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

    Filesize

    40KB

    MD5

    7d5a7b7a6c7b24fbbf4441699deb2b5c

    SHA1

    4ab3b7cac29197e382c84e7817e5b22625c9b2cd

    SHA256

    2d8dcd9b7486a9d785c4d329a7cd1daccc262661f3228cfc78cf962f8ca5f3fb

    SHA512

    fff3075c147faecd57b48ca5703ae2dd05b26a444bf462101cd4399b5b77c97ba4112b254850913496b409e70fb34b5e50a9e405c79dc6dae60c03440e306b87

  • \??\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

  • \Windows\Microsoft.NET\Framework64\v4.0.30319\mscoreei.dll

    Filesize

    615KB

    MD5

    7b2a54732d38cd19c79c8184d6932f6f

    SHA1

    6d42bd8fe510e9a4ed6c13409daf4c7a49e7db04

    SHA256

    76fc819738acfc13818287353b2ee4c5e881d5418e7b6e20c2be03521a2b755d

    SHA512

    acde084716a0d9da1c0834c8bc683b98721bba6b32c843eee1010779bf51cdc9d4ff3de7a4e35ee8053f70afd7705428d4404ceaf10d597ea8e6e95be2bff0c0

  • \Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    40KB

    MD5

    7d5a7b7a6c7b24fbbf4441699deb2b5c

    SHA1

    4ab3b7cac29197e382c84e7817e5b22625c9b2cd

    SHA256

    2d8dcd9b7486a9d785c4d329a7cd1daccc262661f3228cfc78cf962f8ca5f3fb

    SHA512

    fff3075c147faecd57b48ca5703ae2dd05b26a444bf462101cd4399b5b77c97ba4112b254850913496b409e70fb34b5e50a9e405c79dc6dae60c03440e306b87

  • \Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    40KB

    MD5

    7d5a7b7a6c7b24fbbf4441699deb2b5c

    SHA1

    4ab3b7cac29197e382c84e7817e5b22625c9b2cd

    SHA256

    2d8dcd9b7486a9d785c4d329a7cd1daccc262661f3228cfc78cf962f8ca5f3fb

    SHA512

    fff3075c147faecd57b48ca5703ae2dd05b26a444bf462101cd4399b5b77c97ba4112b254850913496b409e70fb34b5e50a9e405c79dc6dae60c03440e306b87

  • \Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    40KB

    MD5

    7d5a7b7a6c7b24fbbf4441699deb2b5c

    SHA1

    4ab3b7cac29197e382c84e7817e5b22625c9b2cd

    SHA256

    2d8dcd9b7486a9d785c4d329a7cd1daccc262661f3228cfc78cf962f8ca5f3fb

    SHA512

    fff3075c147faecd57b48ca5703ae2dd05b26a444bf462101cd4399b5b77c97ba4112b254850913496b409e70fb34b5e50a9e405c79dc6dae60c03440e306b87

  • \Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    40KB

    MD5

    7d5a7b7a6c7b24fbbf4441699deb2b5c

    SHA1

    4ab3b7cac29197e382c84e7817e5b22625c9b2cd

    SHA256

    2d8dcd9b7486a9d785c4d329a7cd1daccc262661f3228cfc78cf962f8ca5f3fb

    SHA512

    fff3075c147faecd57b48ca5703ae2dd05b26a444bf462101cd4399b5b77c97ba4112b254850913496b409e70fb34b5e50a9e405c79dc6dae60c03440e306b87

  • \Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    40KB

    MD5

    7d5a7b7a6c7b24fbbf4441699deb2b5c

    SHA1

    4ab3b7cac29197e382c84e7817e5b22625c9b2cd

    SHA256

    2d8dcd9b7486a9d785c4d329a7cd1daccc262661f3228cfc78cf962f8ca5f3fb

    SHA512

    fff3075c147faecd57b48ca5703ae2dd05b26a444bf462101cd4399b5b77c97ba4112b254850913496b409e70fb34b5e50a9e405c79dc6dae60c03440e306b87

  • \Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    40KB

    MD5

    7d5a7b7a6c7b24fbbf4441699deb2b5c

    SHA1

    4ab3b7cac29197e382c84e7817e5b22625c9b2cd

    SHA256

    2d8dcd9b7486a9d785c4d329a7cd1daccc262661f3228cfc78cf962f8ca5f3fb

    SHA512

    fff3075c147faecd57b48ca5703ae2dd05b26a444bf462101cd4399b5b77c97ba4112b254850913496b409e70fb34b5e50a9e405c79dc6dae60c03440e306b87

  • memory/540-75-0x00000000025F1000-0x0000000002B3D000-memory.dmp

    Filesize

    5.3MB

  • memory/2016-56-0x00000000757A1000-0x00000000757A3000-memory.dmp

    Filesize

    8KB