5550c87eb21273c2765ab3f571874e5e3684bbdceb4ae495c8c37b37d83cae59

Analysis

max time kernel
88s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 11:57

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General

Target

8f181921befa795a3f8a95794181460b.html
Size

430B
MD5

8f181921befa795a3f8a95794181460b
SHA1

839f719f75c06013863d1e08d4c1972e55401b68
SHA256

5550c87eb21273c2765ab3f571874e5e3684bbdceb4ae495c8c37b37d83cae59
SHA512

919097ca97e79435b0a52d98a38715260d030466a37c6e97119b7dbcb3ec6b70c4a076ef1ccaa01d711da0039cd5244f83984392d06f4cb50982cfdd61569353

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 44 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31086433"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31086433"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 0093064a6157da01	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 70f9f0476157da01	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000015a2f750fe9ee1479ecf0c8cfb11934c000000000200000000001066000000010000200000003f75eddf058bc0f2ff11dd26568ae9ceeb3c67783cab98fe489b63c08fd3609e000000000e8000000002000020000000ad8da9425abb3b398133ffa5c7c0a03bb30355d7792e8e282fa85819a750f20120000000c38469df4977c6c2debf4983466b34bff31a4e364d7ec10abb024d974d21142c40000000898a2a00c7bfbdbed0590940bbf19ba65e70c53aad33607e8c77b11a1e38029d00da1369bb8885c862e4a7c4a0d32a55ba97f241fbab96b1acfc9d89e776d490	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000015a2f750fe9ee1479ecf0c8cfb11934c000000000200000000001066000000010000200000007dbf7ddeaa060bd8ec78d01acfcf64cf8cddb6bf2a7931b26d6244c9a5680cdf000000000e80000000020000200000009b91f7633207e6b12e3606b35f45f11d94f29c1829b4ce7f0461a3a1113ff78f20000000e40ddeb3f8db4ff8aebecb8eb1f2952b8209b9f0f939796a62be1126ea84411f400000008401ed9c993e8701a7885dd4678603565be3a517bea67e0662deecb50224c19a8381c69ae9c4f734b54745f71e6e71e6b3e51ef74a2ef991167b22f5a76ad23c	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 70518f476157da01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31086433"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000015a2f750fe9ee1479ecf0c8cfb11934c00000000020000000000106600000001000020000000c54d84889d6702ba486182f5371f8d94b644b74071ee953fb9dd01fe6b15e74a000000000e8000000002000020000000721c76eb4e17e99c8e379dcd3675c82ae2983d3786e90b4bdf548885769a90be20000000a6d08127bb6a8abf2ca6b4cc06c52cd21a5b0124d3fb755744f77de260c6e78b40000000c4af51732f83b7f2ebae1cde03e27a89ebae8d33a8e010661ff0fd713e3ae2db1b16c6a949a61d05739d925e7589105e5156485250c86dedc801ac46f41a2d05	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "413812800"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{83EA2EB3-C354-11EE-A0B6-EA04B8DEDBF3} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1482478739"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1482478739"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1485603033"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4644	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4644	iexplore.exe
4644	iexplore.exe
1952	IEXPLORE.EXE
1952	IEXPLORE.EXE
1952	IEXPLORE.EXE
1952	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4644 wrote to memory of 1952	4644	iexplore.exe	86
PID 4644 wrote to memory of 1952	4644	iexplore.exe	86
PID 4644 wrote to memory of 1952	4644	iexplore.exe	86

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\8f181921befa795a3f8a95794181460b.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4644
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4644 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
7bde92ff965b73dc76190e608c2fbb93

SHA1
95547789d183bbf9ea20ef6ba4c6b2f0249fb30d

SHA256
821420f187b512f853c8b73d9439e940e6e04c499532561343a739717a9a76ee

SHA512
21406b04613e8be9f2036f5057d6d3de568ec1aa4eb6471cd457e70e6ddadfc3b988d5f4c2d316e548b21b2850944a78d75a44ec3bf929e71fe61fb6b0de4ec6

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
9d5b4f81a635ffa42d336048323c61ea

SHA1
010d7f4bb12635605e1fd2b72b41de00214aa9aa

SHA256
f05181593107267a90ae26b20e20bee076aa408925ffeb22cf1a5f9414847a64

SHA512
60b2ca2337a35cd706be68d210eab2743d28ce70101c0b2f173bc8e3c8f98cfbb1780f2bfdd86eabefe4d622f06591eb785d17668249acc44705c530ee5045dd

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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\flj0k7l\imagestore.dat

Filesize
1KB

MD5
6e26b361060c70808c6feabec60fc82b

SHA1
d80c0c1bd915a9cd457e9f432e0fc45a9e1b25d0

SHA256
b779e4b1c5922ff961a9c650186432e8c2bb153b0d45032c439cbc6e69579f1e

SHA512
814dc9dc64e6aa28fba51b1ec315597f0c466737d4c2685fc8cfcf5b67d5b579da92a02542b141ecea9df22e47f1f07502f49cf078fb335acaa86c93e9532f47

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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\flj0k7l\imagestore.dat

Filesize
16KB

MD5
471cb4d07c8424c5612b290ddf71bf82

SHA1
6965d3aedff7df2aa396bf51e7989d50c662bf15

SHA256
e0a5b142e2595a0cd4f63fb19894c1816f8e858cebae919e04e783a7fb22190d

SHA512
6b61d7bb05cd7fb5c60732ca0d5362368bbdfacf36aa23c743a634a1e41615ee4e6e3f4f64f8df883845ca7782c760c3c30b29d865061339816af4bd9e8c4bb8

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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NSWVVUXL\favicon[1].ico

Filesize
1KB

MD5
91abe01116ab422c598e9c8af72cf4da

SHA1
0f2815fe8e067d48537ad168225ab4674271fa27

SHA256
b1d7aef06456fe7431124129a28f0138bb5fccfa4f4161e3087de23c005e5edc

SHA512
a4d5b20c3014153b6b382c43404917bd2cb5bd2a59bb1e981f5a19eb7dbdec185ace288e9700428d24e5ac623e45d04905e706f0c45a1642b1aa6c091213c23c

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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\QSO8CY24\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\R977VUU4\sedo_logo[1].ico

Filesize
14KB

MD5
def00c11b1596db4efee6a9fbe64fc27

SHA1
bd298981e6d8d7e4ffa18abcf687041f4246672d

SHA256
95c427fa3143b1896faf42a6406686ce7602cb39052081bb32d12b51c9e047e4

SHA512
c056e95dbfa1aab3a50dff18c6d577dbffea72c93316ffc53b6b7aa41dcc7707a810d563894589a7305de0b76610f88150b2034670de368773b2b356f14ad30f

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