Overview
overview
8Static
static
48870e6242e...93.exe
windows7-x64
78870e6242e...93.exe
windows10-2004-x64
7$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3AutoEncryptDemo.exe
windows7-x64
1AutoEncryptDemo.exe
windows10-2004-x64
1AutoFileCryptTool.exe
windows7-x64
8AutoFileCryptTool.exe
windows10-2004-x64
8Bin/win10x...lt.sys
windows10-2004-x64
1Bin/win10x...mo.exe
windows7-x64
1Bin/win10x...mo.exe
windows10-2004-x64
1Bin/win10x...PI.dll
windows7-x64
1Bin/win10x...PI.dll
windows10-2004-x64
1Bin/win10x...lt.sys
windows10-2004-x64
1Bin/win10x...mo.exe
windows7-x64
1Bin/win10x...mo.exe
windows10-2004-x64
1Bin/win10x...PI.dll
windows7-x64
3Bin/win10x...PI.dll
windows10-2004-x64
3Bin/win32/EaseFlt.sys
windows7-x64
1Bin/win32/EaseFlt.sys
windows10-2004-x64
1Bin/win32/...mo.exe
windows7-x64
1Bin/win32/...mo.exe
windows10-2004-x64
1Bin/win32/...PI.dll
windows7-x64
3Bin/win32/...PI.dll
windows10-2004-x64
3Bin/x64/EaseFlt.sys
windows7-x64
1Bin/x64/EaseFlt.sys
windows10-2004-x64
1Bin/x64/Ea...mo.exe
windows7-x64
1Bin/x64/Ea...mo.exe
windows10-2004-x64
1Bin/x64/FilterAPI.dll
windows7-x64
1Bin/x64/FilterAPI.dll
windows10-2004-x64
1Analysis
-
max time kernel
117s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
20-08-2024 00:56
Behavioral task
behavioral1
Sample
8870e6242e397575f54ac0acdfae13117dca54c01198c951537ddc228bb29c93.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
8870e6242e397575f54ac0acdfae13117dca54c01198c951537ddc228bb29c93.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240729-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
AutoEncryptDemo.exe
Resource
win7-20240705-en
Behavioral task
behavioral8
Sample
AutoEncryptDemo.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
AutoFileCryptTool.exe
Resource
win7-20240705-en
Behavioral task
behavioral10
Sample
AutoFileCryptTool.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
Bin/win10x64/EaseFlt.sys
Resource
win10v2004-20240802-en
Behavioral task
behavioral12
Sample
Bin/win10x64/EaseFltCPPDemo.exe
Resource
win7-20240708-en
Behavioral task
behavioral13
Sample
Bin/win10x64/EaseFltCPPDemo.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral14
Sample
Bin/win10x64/FilterAPI.dll
Resource
win7-20240705-en
Behavioral task
behavioral15
Sample
Bin/win10x64/FilterAPI.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral16
Sample
Bin/win10x86/EaseFlt.sys
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
Bin/win10x86/EaseFltCPPDemo.exe
Resource
win7-20240704-en
Behavioral task
behavioral18
Sample
Bin/win10x86/EaseFltCPPDemo.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
Bin/win10x86/FilterAPI.dll
Resource
win7-20240729-en
Behavioral task
behavioral20
Sample
Bin/win10x86/FilterAPI.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
Bin/win32/EaseFlt.sys
Resource
win7-20240729-en
Behavioral task
behavioral22
Sample
Bin/win32/EaseFlt.sys
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
Bin/win32/EaseFltCPPDemo.exe
Resource
win7-20240705-en
Behavioral task
behavioral24
Sample
Bin/win32/EaseFltCPPDemo.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral25
Sample
Bin/win32/FilterAPI.dll
Resource
win7-20240704-en
Behavioral task
behavioral26
Sample
Bin/win32/FilterAPI.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral27
Sample
Bin/x64/EaseFlt.sys
Resource
win7-20240705-en
Behavioral task
behavioral28
Sample
Bin/x64/EaseFlt.sys
Resource
win10v2004-20240802-en
Behavioral task
behavioral29
Sample
Bin/x64/EaseFltCPPDemo.exe
Resource
win7-20240708-en
Behavioral task
behavioral30
Sample
Bin/x64/EaseFltCPPDemo.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral31
Sample
Bin/x64/FilterAPI.dll
Resource
win7-20240705-en
Behavioral task
behavioral32
Sample
Bin/x64/FilterAPI.dll
Resource
win10v2004-20240802-en
General
-
Target
AutoFileCryptTool.exe
-
Size
175KB
-
MD5
fa93eec0ee7f9f4dfa68500d2302038b
-
SHA1
0723fd2a2e9c2fd805fa294f6f440257fae4e7f2
-
SHA256
fd1970b74a5da3e3ff0695497e0613afdc0be99d7e0db3498269e6497487fbf9
-
SHA512
7207d2920fc1f5c29bc0a318ecda50ff00d460f3e1b6e0a362771c362dde921c17e115ae6c42133ace20d4ddc8364b05157dd125ec5c3e9a9182c4897e606b0d
-
SSDEEP
1536:JYN0qP1V/kklO1PW92kklO1PW9/kklO1PW90lRjUOnf0qP1HuuJ3h1s:SNbpsgAsgtsg0lRjRfbNu8s
Malware Config
Signatures
-
Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\Drivers\EaseFlt.sys AutoFileCryptTool.exe -
Loads dropped DLL 1 IoCs
pid Process 2016 AutoFileCryptTool.exe -
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 190000000100000010000000ba4f3972e7aed9dccdc210db59da13c90300000001000000140000005fb7ee0633e259dbad0c4c9ae6d38f1a61c7dc251d00000001000000100000008f76b981d528ad4770088245e2031b630b0000000100000012000000440069006700690043006500720074000000140000000100000014000000b13ec36903f8bf4701d498261a0802ef63642bc35300000001000000230000003021301f06096086480186fd6c020130123010060a2b0601040182373c0101030200c0090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b060105050703080f0000000100000014000000e35ef08d884f0a0ade2f75e96301ce6230f213a82000000001000000c9030000308203c5308202ada003020102021002ac5c266a0b409b8f0b79f2ae462577300d06092a864886f70d0101050500306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f74204341301e170d3036313131303030303030305a170d3331313131303030303030305a306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100c6cce573e6fbd4bbe52d2d32a6dfe5813fc9cd2549b6712ac3d5943467a20a1cb05f69a640b1c4b7b28fd098a4a941593ad3dc94d63cdb7438a44acc4d2582f74aa5531238eef3496d71917e63b6aba65fc3a484f84f6251bef8c5ecdb3892e306e508910cc4284155fbcb5a89157e71e835bf4d72093dbe3a38505b77311b8db3c724459aa7ac6d00145a04b7ba13eb510a984141224e656187814150a6795c89de194a57d52ee65d1c532c7e98cd1a0616a46873d03404135ca171d35a7c55db5e64e13787305604e511b4298012f1793988a202117c2766b788b778f2ca0aa838ab0a64c2bf665d9584c1a1251e875d1a500b2012cc41bb6e0b5138b84bcb0203010001a3633061300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e04160414b13ec36903f8bf4701d498261a0802ef63642bc3301f0603551d23041830168014b13ec36903f8bf4701d498261a0802ef63642bc3300d06092a864886f70d010105050003820101001c1a0697dcd79c9f3c886606085721db2147f82a67aabf183276401057c18af37ad911658e35fa9efc45b59ed94c314bb891e8432c8eb378cedbe3537971d6e5219401da55879a2464f68a66ccde9c37cda834b1699b23c89e78222b7043e35547316119ef58c5852f4e30f6a0311623c8e7e2651633cbbf1a1ba03df8ca5e8b318b6008892d0c065c52b7c4f90a98d1155f9f12be7c366338bd44a47fe4262b0ac497690de98ce2c01057b8c876129155f24869d8bc2a025b0f44d42031dbf4ba70265d90609ebc4b17092fb4cb1e4368c90727c1d25cf7ea21b968129c3c9cbf9efc805c9b63cdec47aa252767a037f300827d54d7a9f8e92e13a377e81f4a AutoFileCryptTool.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 AutoFileCryptTool.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 AutoFileCryptTool.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2016 AutoFileCryptTool.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2016 AutoFileCryptTool.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeLoadDriverPrivilege 2016 AutoFileCryptTool.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2016 AutoFileCryptTool.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 2016 AutoFileCryptTool.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2016 AutoFileCryptTool.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\AutoFileCryptTool.exe"C:\Users\Admin\AppData\Local\Temp\AutoFileCryptTool.exe"1⤵
- Drops file in Drivers directory
- Loads dropped DLL
- Modifies system certificate store
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2016
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
-
Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
-
Filesize
305KB
MD5e12436cc453273482dfb150a6d7c48d2
SHA180ca5bae05cb93c4b3b935bc63c14ead9e3d7cbb
SHA256c1a448498019b3aff1b0f85ccc3448cf2757e02033c4beff08af68f760f96131
SHA512dc42f06cdbdc0762a8f87448b815bd1228fb96cd2a128fd8b6ea6634775031b50fa5a29dde7d211f6ae334811a8dd9e6483a8d8a8e80948eadac382094fd49ee