Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-01-2025 18:38
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_944e421879c77c4e4dcb5315b6f0a842.exe
Resource
win7-20240708-en
General
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Target
JaffaCakes118_944e421879c77c4e4dcb5315b6f0a842.exe
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Size
95KB
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MD5
944e421879c77c4e4dcb5315b6f0a842
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SHA1
169325f300d723875ee3942378d94640d2ffbfc8
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SHA256
1c6a27e52432237ed3740d04e995adf70b71d31cfb0ef516ed18256fa5640b3a
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SHA512
f48811c4791fbfde033af87c3546aa46593fd3a7aeeb65c6567ae09298bd6b14c6898a9242f2cb0958691bd32e294dfab664d321ff7c950e06932bf9403e6863
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SSDEEP
768:+06R0UrgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9ICW:MR0jn3Pc0LCH9MtbvabUDzJYWu3B
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 1 IoCs
pid Process 3636 WaterMark.exe -
resource yara_rule behavioral2/memory/2284-9-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2284-12-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2284-11-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2284-5-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2284-4-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2284-3-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2284-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2284-13-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3636-25-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3636-26-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3636-34-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3636-37-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\pxEEA6.tmp JaffaCakes118_944e421879c77c4e4dcb5315b6f0a842.exe File created C:\Program Files (x86)\Microsoft\WaterMark.exe JaffaCakes118_944e421879c77c4e4dcb5315b6f0a842.exe File opened for modification C:\Program Files (x86)\Microsoft\WaterMark.exe JaffaCakes118_944e421879c77c4e4dcb5315b6f0a842.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4388 3536 WerFault.exe 84 -
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 IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_944e421879c77c4e4dcb5315b6f0a842.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WaterMark.exe -
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "109240337" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{31FF1B33-D502-11EF-BDBF-468C69F2ED48} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{32017DAF-D502-11EF-BDBF-468C69F2ED48} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "109084207" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156495" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "110334124" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156495" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "110334124" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443904063" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156495" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156495" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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 Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 3636 WaterMark.exe 3636 WaterMark.exe 3636 WaterMark.exe 3636 WaterMark.exe 3636 WaterMark.exe 3636 WaterMark.exe 3636 WaterMark.exe 3636 WaterMark.exe 3636 WaterMark.exe 3636 WaterMark.exe 3636 WaterMark.exe 3636 WaterMark.exe 3636 WaterMark.exe 3636 WaterMark.exe 3636 WaterMark.exe 3636 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3636 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4008 iexplore.exe 3416 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 4008 iexplore.exe 4008 iexplore.exe 3416 iexplore.exe 3416 iexplore.exe 4756 IEXPLORE.EXE 4756 IEXPLORE.EXE 3496 IEXPLORE.EXE 3496 IEXPLORE.EXE 4756 IEXPLORE.EXE 4756 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2284 JaffaCakes118_944e421879c77c4e4dcb5315b6f0a842.exe 3636 WaterMark.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 2284 wrote to memory of 3636 2284 JaffaCakes118_944e421879c77c4e4dcb5315b6f0a842.exe 83 PID 2284 wrote to memory of 3636 2284 JaffaCakes118_944e421879c77c4e4dcb5315b6f0a842.exe 83 PID 2284 wrote to memory of 3636 2284 JaffaCakes118_944e421879c77c4e4dcb5315b6f0a842.exe 83 PID 3636 wrote to memory of 3536 3636 WaterMark.exe 84 PID 3636 wrote to memory of 3536 3636 WaterMark.exe 84 PID 3636 wrote to memory of 3536 3636 WaterMark.exe 84 PID 3636 wrote to memory of 3536 3636 WaterMark.exe 84 PID 3636 wrote to memory of 3536 3636 WaterMark.exe 84 PID 3636 wrote to memory of 3536 3636 WaterMark.exe 84 PID 3636 wrote to memory of 3536 3636 WaterMark.exe 84 PID 3636 wrote to memory of 3536 3636 WaterMark.exe 84 PID 3636 wrote to memory of 3536 3636 WaterMark.exe 84 PID 3636 wrote to memory of 4008 3636 WaterMark.exe 89 PID 3636 wrote to memory of 4008 3636 WaterMark.exe 89 PID 3636 wrote to memory of 3416 3636 WaterMark.exe 90 PID 3636 wrote to memory of 3416 3636 WaterMark.exe 90 PID 3416 wrote to memory of 3496 3416 iexplore.exe 93 PID 3416 wrote to memory of 3496 3416 iexplore.exe 93 PID 3416 wrote to memory of 3496 3416 iexplore.exe 93 PID 4008 wrote to memory of 4756 4008 iexplore.exe 91 PID 4008 wrote to memory of 4756 4008 iexplore.exe 91 PID 4008 wrote to memory of 4756 4008 iexplore.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_944e421879c77c4e4dcb5315b6f0a842.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_944e421879c77c4e4dcb5315b6f0a842.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2284 -
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:3636 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:3536
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 2044⤵
- Program crash
PID:4388
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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:4008 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4008 CREDAT:17410 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4756
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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:3416 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3416 CREDAT:17410 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3496
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3536 -ip 35361⤵PID:3896
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
95KB
MD5944e421879c77c4e4dcb5315b6f0a842
SHA1169325f300d723875ee3942378d94640d2ffbfc8
SHA2561c6a27e52432237ed3740d04e995adf70b71d31cfb0ef516ed18256fa5640b3a
SHA512f48811c4791fbfde033af87c3546aa46593fd3a7aeeb65c6567ae09298bd6b14c6898a9242f2cb0958691bd32e294dfab664d321ff7c950e06932bf9403e6863
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD537827a5b375c40c1d7c482099e06c5bb
SHA148a43de39625e410113ec4d2d3e355535c7163a9
SHA256ffbd974e64098b8a4b5abe5633fe019780fb5eb4fb52418810fbbdc50084ef51
SHA512e14bdded02c844462222ce326d91cfc2403f2fb164911a7b1401cb5dcb29c804383cf554304a5ea8465d743ef2f0fa78e6cba3f064dad02cd00076c1ac5f843e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD571bafd5f35b8e479cd36384a1bc1feba
SHA15730df3773c44d9d0f422b12692d497c2e72ef08
SHA2563e9b8fcaa722e4c38cabcf7a947760708d36afc53841a25a5c8c88dd746b0f99
SHA512e43f51a039c7e992d1f11f10abe1ea1d2257919ae1fcbcaaf0e7fce2636b64a94017391ace38a638f72acb0c2c68761d0639ffe186af84287e95940e8c5ef2e7
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5be5c869495faef8442e6ba553b73b6d6
SHA17d9c864f0709d03b1055314296449107b8bf9332
SHA256028e1581975323618a5def6de531b5ef76a8fc5e3a1620d9bd4c6383b46db272
SHA512727b9f6ad110456773e0ca4525eba83d96c3b12be3654315162ad20250e8beb51129ffdd894345a00170051a014cc571ce204b26ab283a8deb7252d9329d8593
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{31FF1B33-D502-11EF-BDBF-468C69F2ED48}.dat
Filesize5KB
MD5917c0699fecdb385b0560c1ccbcc0c1e
SHA1a790750595d4b4e05922b514da65049928f34146
SHA2567d83926b79aa508c51450be5caf8b55194511acac7e2f5827e9912172587650c
SHA5125581d0b217731985ba13c19be311a330e8545e12780cbe26cdd69fc67bfb7a160360ab2dedaf042410e7b29091e13650568f047c0a7b61a01a7b678eb37744fd
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{32017DAF-D502-11EF-BDBF-468C69F2ED48}.dat
Filesize3KB
MD5f4645f7c786f948bf9cfa855a2bf901c
SHA102e6f95895ddac5947bd425c35163b50053af1c4
SHA25636826333523413941d9726d71283eef813e171c57295e41bb9fb3bd7efc7db32
SHA512f097d4d7fe81fc9219b3b5858cf4e151215a7d5ff79279bda2ed55e2f3bf0013369f0972c2ea2a9a078f4b4d919afd250eac9bad7c552fb375a24d3d11854936
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee