Analysis
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max time kernel
93s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15-01-2025 14:21
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_595a33fef6f7dca722b15b4b9a5bc1ea.exe
Resource
win7-20240903-en
General
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Target
JaffaCakes118_595a33fef6f7dca722b15b4b9a5bc1ea.exe
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Size
123KB
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MD5
595a33fef6f7dca722b15b4b9a5bc1ea
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SHA1
1f637f3ff392d5f9259cdf4067fb136f1215e187
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SHA256
2b81cd750cf19bea470388feadfdcea290dcb246aaae89113098058517af9ad8
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SHA512
3c3d821c6152885b32693e68f7b0a6e7d2712be085e1599a756490d09a3399de65c453112d91dce4b8648e9035e2d989799b47f8ed9acf069d46c657eb8d56f3
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SSDEEP
768:z06R0UtgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9ICW:xR0Zn3Pc0LCH9MtbvabUDzJYWu3B
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 1 IoCs
pid Process 1092 WaterMark.exe -
resource yara_rule behavioral2/memory/4692-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4692-11-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4692-9-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4692-6-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4692-29-0x0000000000400000-0x0000000000441000-memory.dmp upx behavioral2/memory/1092-25-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4692-14-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4692-4-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4692-5-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1092-35-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1092-38-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1092-39-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\pxC8ED.tmp JaffaCakes118_595a33fef6f7dca722b15b4b9a5bc1ea.exe File created C:\Program Files (x86)\Microsoft\WaterMark.exe JaffaCakes118_595a33fef6f7dca722b15b4b9a5bc1ea.exe File opened for modification C:\Program Files (x86)\Microsoft\WaterMark.exe JaffaCakes118_595a33fef6f7dca722b15b4b9a5bc1ea.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1612 4556 WerFault.exe 83 -
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WaterMark.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_595a33fef6f7dca722b15b4b9a5bc1ea.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3575491554" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156056" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156056" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3575335373" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3577210089" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156056" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156056" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443715860" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{00BDA944-D34C-11EF-A4B7-4E8E92B54298} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3577210089" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{00BB4707-D34C-11EF-A4B7-4E8E92B54298} = "0" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 1092 WaterMark.exe 1092 WaterMark.exe 1092 WaterMark.exe 1092 WaterMark.exe 1092 WaterMark.exe 1092 WaterMark.exe 1092 WaterMark.exe 1092 WaterMark.exe 1092 WaterMark.exe 1092 WaterMark.exe 1092 WaterMark.exe 1092 WaterMark.exe 1092 WaterMark.exe 1092 WaterMark.exe 1092 WaterMark.exe 1092 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1092 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4564 iexplore.exe 3444 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 4564 iexplore.exe 4564 iexplore.exe 3444 iexplore.exe 3444 iexplore.exe 64 IEXPLORE.EXE 64 IEXPLORE.EXE 1088 IEXPLORE.EXE 1088 IEXPLORE.EXE 64 IEXPLORE.EXE 64 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 4692 JaffaCakes118_595a33fef6f7dca722b15b4b9a5bc1ea.exe 1092 WaterMark.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 4692 wrote to memory of 1092 4692 JaffaCakes118_595a33fef6f7dca722b15b4b9a5bc1ea.exe 82 PID 4692 wrote to memory of 1092 4692 JaffaCakes118_595a33fef6f7dca722b15b4b9a5bc1ea.exe 82 PID 4692 wrote to memory of 1092 4692 JaffaCakes118_595a33fef6f7dca722b15b4b9a5bc1ea.exe 82 PID 1092 wrote to memory of 4556 1092 WaterMark.exe 83 PID 1092 wrote to memory of 4556 1092 WaterMark.exe 83 PID 1092 wrote to memory of 4556 1092 WaterMark.exe 83 PID 1092 wrote to memory of 4556 1092 WaterMark.exe 83 PID 1092 wrote to memory of 4556 1092 WaterMark.exe 83 PID 1092 wrote to memory of 4556 1092 WaterMark.exe 83 PID 1092 wrote to memory of 4556 1092 WaterMark.exe 83 PID 1092 wrote to memory of 4556 1092 WaterMark.exe 83 PID 1092 wrote to memory of 4556 1092 WaterMark.exe 83 PID 1092 wrote to memory of 4564 1092 WaterMark.exe 87 PID 1092 wrote to memory of 4564 1092 WaterMark.exe 87 PID 1092 wrote to memory of 3444 1092 WaterMark.exe 88 PID 1092 wrote to memory of 3444 1092 WaterMark.exe 88 PID 4564 wrote to memory of 64 4564 iexplore.exe 89 PID 4564 wrote to memory of 64 4564 iexplore.exe 89 PID 4564 wrote to memory of 64 4564 iexplore.exe 89 PID 3444 wrote to memory of 1088 3444 iexplore.exe 90 PID 3444 wrote to memory of 1088 3444 iexplore.exe 90 PID 3444 wrote to memory of 1088 3444 iexplore.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_595a33fef6f7dca722b15b4b9a5bc1ea.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_595a33fef6f7dca722b15b4b9a5bc1ea.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4692 -
C:\Program Files (x86)\Microsoft\WaterMark.exe"C:\Program Files (x86)\Microsoft\WaterMark.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1092 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:4556
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4556 -s 2044⤵
- Program crash
PID:1612
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4564 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4564 CREDAT:17410 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:64
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3444 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3444 CREDAT:17410 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1088
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4556 -ip 45561⤵PID:4936
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
123KB
MD5595a33fef6f7dca722b15b4b9a5bc1ea
SHA11f637f3ff392d5f9259cdf4067fb136f1215e187
SHA2562b81cd750cf19bea470388feadfdcea290dcb246aaae89113098058517af9ad8
SHA5123c3d821c6152885b32693e68f7b0a6e7d2712be085e1599a756490d09a3399de65c453112d91dce4b8648e9035e2d989799b47f8ed9acf069d46c657eb8d56f3
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD59e22a9c34466faf7bc9cf642444b3f30
SHA10ac45262532cce40083cc9049fb12d4efb06c01f
SHA25657569469879a3144b391cf9def258ad9ef29d7fd1d3d70a28cfb506443d7a119
SHA512c60649fb0ecdd14c9a6d8f9ea7ac4356b24a5e1a238705bbc8294b72ea2fda21965af200746ae20dd5f45e386fc30e2189de6007e08ff3d7ec72b8dfc39435fe
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5a399170beec8e9ce50846ebe5dc433e8
SHA1e35f43c20455a23908fb9c1aa7e19a1edef4b2d8
SHA256ccff9972c3d14b5d3cf888c41dd3a802c16783d904c3504123a352467a4d0cad
SHA5128365ab1da6792291ae865e2ae8d0e961eb7771768cf179f1c69131f06b77337fafa2fdd633ec0eafc7728c02a74bdbb0ce1823ab952e346ecd46654e35f3ab05
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD537f3ed76caff66ff941a4d5ee771d5d4
SHA1e4c39dffa6df57c067d82627ff1c2228acdfded5
SHA256cc9cea230c1a12c60be5adc2ee0c65a42155a6c79e15c4cf61f270d0091f4156
SHA512cab5ede218e92f679329e29c8d5fba6e6fcd0380f04f06f8fbab8145ccad5fd6626402184984a21cc9ec5b577a813224a0cc3f21cf99abbbfb487d4b1cb9dcb0
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{00BB4707-D34C-11EF-A4B7-4E8E92B54298}.dat
Filesize5KB
MD5a7a386820b1a07a4e4d4b27ae2ee62ce
SHA10f4bee16a4ca743102cf2821e60eb7f69d8720b6
SHA256c3d467c847824fd1924ff91b8ee556126a94d27209d8caae2141605182916b3b
SHA512a8d3fbd7df6311982f9fd7cb5b00afaa586af853114d34f2f5ce20fafe4f9077eca0adbcdd2040158e046e2ed2fdf981cf2aaef4f6237df6cbafda1dea6e6ba7
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{00BDA944-D34C-11EF-A4B7-4E8E92B54298}.dat
Filesize3KB
MD57a2cb973871664d07ac4ed807a327e7e
SHA1a06b60ce36dccdf8e9483bd2da5215c435e099f2
SHA256abeafc93c5621a24bbf43cf3b0f6e85e4a9a031b57cebd31902526a199e81146
SHA5125ddbe74e25676f5be2cbfe0da6b2a02327c2b597e7af734f6f07a789ecf90854f6e62fb6ad726f13ed26e52449c4426fc3313450eea74f767d7a3ebeb2b567c1
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee