Analysis
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max time kernel
121s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
24/01/2024, 01:05
Static task
static1
Behavioral task
behavioral1
Sample
7108bb9861b22e7ad0e43a8d9dda337c.html
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
7108bb9861b22e7ad0e43a8d9dda337c.html
Resource
win10v2004-20231215-en
General
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Target
7108bb9861b22e7ad0e43a8d9dda337c.html
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Size
175KB
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MD5
7108bb9861b22e7ad0e43a8d9dda337c
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SHA1
ff0118e378cfe9578f0eed87933f7cf89bf77e19
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SHA256
84fc5eedb325a9fc61d555a8d72ee895fc19ce715967705e3ba0263ca6c0869e
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SHA512
1492b4ceca938467eac912a246b406912a9a46906b5bec1f22f405ae241749a3352e269f3aa9d2ab6920bb077ea35cf9fb3cccbb47c8c853b2a389ce44039539
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SSDEEP
3072:SAxMyfkMY+BES09JXAnyrZalI+Y5N86QwUdedbFilfO5YFiM:SIsMYod+X3oI+Yn86/U9jFiM
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3292 svchost.exe -
resource yara_rule behavioral2/files/0x000300000000070d-4.dat upx behavioral2/memory/3292-10-0x0000000000400000-0x0000000000435000-memory.dmp upx behavioral2/memory/3292-11-0x0000000000400000-0x0000000000435000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 2268 3292 WerFault.exe 94 -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2176112764" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2176112764" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f0d14986614eda01 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31084129" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2179862366" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000005d05a5489e56c74eaa6b39ab0831a11f0000000002000000000010660000000100002000000053fd72dd63427e48fdeeb947297cc59c1a897bccb65b8b1df3b9ee11947e6642000000000e80000000020000200000004f7759761acf2ca8b96c715f2682dbc6d6398b4b39d75edebd807feb905a320320000000883deebeee936df991b81535f5d0bff65f35a28b437e8d24dc067f8e652b580140000000e20e8736d278efcf52307e37e2800bec0673b40db9a118088c86733b493010ab01fb5edb4dc6e4af9ca420f116bc17e04d14444d136f8db73c8f01b1cc9c8e6e iexplore.exe Key created \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{AD4DAB58-BA54-11EE-8184-FAD2FAC7202F} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 00174586614eda01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\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 (int) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31084129" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31084129" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000005d05a5489e56c74eaa6b39ab0831a11f00000000020000000000106600000001000020000000ef58f3933234e9954ef94663484dbf72914d84389916cdf26f5fa24edeb06505000000000e800000000200002000000002eb4be4763836aa30c5891c54efc88e7589a242e4e50378e0d5f214cc560dfa200000004ef05e7af0b27b3aec209c5d5dfbbcf3d4b732d431ec40a9120781b5d533bccb4000000004afd1edc86221e3631a2333530b03d6731be98bf720b39caff1eaff9b55189f249481f9b4550149fa31f9f62097b10887760359885d8561d0b3f111bfb56f0d iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "412823311" iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1428 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1428 iexplore.exe 1428 iexplore.exe 3700 IEXPLORE.EXE 3700 IEXPLORE.EXE 3700 IEXPLORE.EXE 3700 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1428 wrote to memory of 3700 1428 iexplore.exe 87 PID 1428 wrote to memory of 3700 1428 iexplore.exe 87 PID 1428 wrote to memory of 3700 1428 iexplore.exe 87 PID 3700 wrote to memory of 3292 3700 IEXPLORE.EXE 94 PID 3700 wrote to memory of 3292 3700 IEXPLORE.EXE 94 PID 3700 wrote to memory of 3292 3700 IEXPLORE.EXE 94
Processes
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\7108bb9861b22e7ad0e43a8d9dda337c.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1428 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1428 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3700 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"3⤵
- Executes dropped EXE
PID:3292 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 2884⤵
- Program crash
PID:2268
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3292 -ip 32921⤵PID:3012
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD5f3990afbcdf64f1f806d1b926cf35b3d
SHA1da1297f9ac1e9e9e7e78b567006e9248bfc212f7
SHA25648c214dd545cc2718f7e844d699efae28f80d683340959e000bb41ad75dd6386
SHA5129b5bc750b2e1038c82a93d51efe0d7dcf951ca594a62a90bac0ca1019d232afd07f9630e1ba1b609e128a9ba9c23c1ea8f1badd9e6b25f3eb591a936c89ee939
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5021da83a03f03587521cbb5cf674801c
SHA1f339f6fadc93921e9b8a002e7a82c2fb40c5b267
SHA256b3380eed200da5be06b081f37df8d040f4cde61d6eb8e2afe2ff4c1e20b1148a
SHA5128ab83e6c02890d54b22edef7baf2357b0c0aadb6c88a4ca6e65a01b8e42a84373410db768cd417227a161aa4a25f58197a272d1a73729730372e3dc9179a1a3f
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
83KB
MD5c5c99988728c550282ae76270b649ea1
SHA1113e8ff0910f393a41d5e63d43ec3653984c63d6
SHA256d7ec3fcd80b3961e5bab97015c91c843803bb915c13a4a35dfb5e9bdf556c6d3
SHA51266e45f6fabff097a7997c5d4217408405f17bad11748e835403559b526d2d031490b2b74a5ffcb218fa9621a1c3a3caa197f2e5738ebea00f2cf6161d8d0af0d