6c184e7eafe18aada15e51d7dd4b3dfc12c3c5c8170c11b9a140ac643195dcbc

Analysis

max time kernel
100s
max time network
135s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
09-06-2023 16:09

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General

Target

t-rex.html
Size

80KB
MD5

16911fcc170c8af1c5457940bd0bf055
SHA1

eb44540186285271130b056fa6099b1988319fc4
SHA256

dc72cfc1f1d2a5013bb9de34f8cacf5e26e542d7d713fcbe09b865b4aaca6ddf
SHA512

131a00b7895a40ea0fb355ecc5292b3cbbcd23b45dd59b07da1b8eb86501ff0ec698ab5446687cd7ff5fba03d97b7a0b6e47196dc284a51c677cf04dbe13e393
SSDEEP

1536:V5OdudTTa8udsB7g1BuqHkFT5VgYzMGgbJsMPz:Vq0y80I7OuikXm3bJsMPz

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e4c1078d5f178f40a6cca0de72b5a47d000000000200000000001066000000010000200000003f59a349a14a2a5b25000ad65b5f981b8211c35646676ed197e712ea3f234106000000000e8000000002000020000000756224dc25d450e40a0ae26e18a4b18614192efde1ce922cca44c016c570386120000000d2d6d846cabd15cc5be52c576850a5cac34195b050620e0ba95710d79959b979400000008344a0d06f80a3a3ff7fa334cff6196192e2885b738ec62db4c09ffb13b639beaa4f3a0992124c8f78a49c31c7399616aace26d59314376dfa507bb1972de973	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "393091959"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{0C33DAF1-06E0-11EE-9221-C6A949C40DC2} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 8082c6e2ec9ad901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1324 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1324 iexplore.exe
1324 iexplore.exe
568 IEXPLORE.EXE
568 IEXPLORE.EXE
568 IEXPLORE.EXE
568 IEXPLORE.EXE

pid	process
1324	iexplore.exe

pid	process
1324	iexplore.exe
1324	iexplore.exe
568	IEXPLORE.EXE
568	IEXPLORE.EXE
568	IEXPLORE.EXE
568	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

iexplore.exe

description	pid	process	target process
PID 1324 wrote to memory of 568	1324	iexplore.exe	IEXPLORE.EXE
PID 1324 wrote to memory of 568	1324	iexplore.exe	IEXPLORE.EXE
PID 1324 wrote to memory of 568	1324	iexplore.exe	IEXPLORE.EXE
PID 1324 wrote to memory of 568	1324	iexplore.exe	IEXPLORE.EXE

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\t-rex.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1324

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1324 CREDAT:275457 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:568

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
62KB

MD5
3ac860860707baaf32469fa7cc7c0192

SHA1
c33c2acdaba0e6fa41fd2f00f186804722477639

SHA256
d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

SHA512
d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
14e33692b07e372f3f8527bc54ea0429

SHA1
19c3d386ca49c25dfdf0768dfeffae66ada181ac

SHA256
cec7fec3bf4ae8de96147954b37e2c18f3c63a34b6052200fa44fa7b29473a44

SHA512
03f7ba99a0404fa072b9b02be982ef6bb897fe1df763b28bf60ad3a28985f5c835e97781ff073fcfd7e7b559361f2bb79e3080d522ce36c62431ff524ec8a14d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
0001162437645759e6d32a1ed32cf64e

SHA1
fae9f66c3646cc985db35bfc43600f21600255dd

SHA256
c1fb0d3817ac88398244475be1fc1c8555dcd67ca9fa661a2005603a90a7f14a

SHA512
535bb611d0d79be07bc1f74a4f53eb7f1350bdd7ab5ee1cf4408eb0bae7314775c2d95e49bee977f9dd612ddb72af7b2f20d0edc9149199d824fba5d64549245

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
725f6fdde41ea89b4651017369d61105

SHA1
a038227f9c5509a5ab2aa08c21ea71ab06535d2e

SHA256
c185129cd2347eba4e4dfd62e32e809104b31b0e5ad5362b81f54de2626b0da7

SHA512
e3db77a491fb4996c3f3b404821fafab2ee4e417a59173f92e047d72b544b51a1487e115598c65b7b007f3bd3a9436933266b0df3888d70d6a2b4cb36b381b4e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
725f6fdde41ea89b4651017369d61105

SHA1
a038227f9c5509a5ab2aa08c21ea71ab06535d2e

SHA256
c185129cd2347eba4e4dfd62e32e809104b31b0e5ad5362b81f54de2626b0da7

SHA512
e3db77a491fb4996c3f3b404821fafab2ee4e417a59173f92e047d72b544b51a1487e115598c65b7b007f3bd3a9436933266b0df3888d70d6a2b4cb36b381b4e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
9fa4a9ddc89ab897d20d3ef93822f348

SHA1
24eed5f63e465fad58c23508cb59c55c8013ff8e

SHA256
51cad9ae42751ee307da16d701320067202e7ece3aa50518f9ef03f729c7448e

SHA512
6219e79feaa0c3e8bc81cdc1ca59fa9c6287c705f289ac6f78527cc9817c87a716ab8eae1d880f4bfa9c889801c53328790b6de1cccb4cd63c5cb5df9d75531b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
a92d9bd8ce3b0dfc6b18c1af2a413381

SHA1
96fe6ac8cd2ca85ac107841fabce1ead89f2d8ed

SHA256
5941b6396725452ab3c49e5d88db3111bb5a8b0530c2fcccaa9c58acfd37ea0b

SHA512
1ce582e6f4bcfb0f4c203135599e5ab78fe9e5c25483431bfd82ea4f3d6cdc6ea7f902755ddb4b66221e191cf48e2bbd17515549fc4afeb1f93863ae716e8119

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
a92d9bd8ce3b0dfc6b18c1af2a413381

SHA1
96fe6ac8cd2ca85ac107841fabce1ead89f2d8ed

SHA256
5941b6396725452ab3c49e5d88db3111bb5a8b0530c2fcccaa9c58acfd37ea0b

SHA512
1ce582e6f4bcfb0f4c203135599e5ab78fe9e5c25483431bfd82ea4f3d6cdc6ea7f902755ddb4b66221e191cf48e2bbd17515549fc4afeb1f93863ae716e8119

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
1d2dbb6a5179ecb3a7bb4c9231edddfb

SHA1
d619ccc9894ae5e843f6b8501246136a12797cc7

SHA256
10da06a1450aae973d1fde25b5c2c978ef2f55d1a7dd0c761c6b83ced9c7a54d

SHA512
82a196b36ca0f8a1cb0cc85c340633111d2c7041a68a58288abeafd05e1b82e8b610cf2dc173b72d2accba8f070c20120aecc21095bf14f69836178b6de277ef

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
2f0d3b9c5e5c41eefd8c043199b5045d

SHA1
91169e00fad2746f53ce5560129a32c261ff6763

SHA256
0cabab5f2029bf93883d4bf28ebe5b2b9bad7956915c67504f623c1cf6cce2b5

SHA512
6125f5a91f81753f9fc5567c92c0f6bd1b8125a613f6e70e22c4ed9b0591435f8477aeda24f9324582fa8e04fb07f82fee88690a4f7993c10bb0e1afe76f48ec

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
5e1f6e680b24a0a7dd7618f0d45f4aa2

SHA1
3cb28e85227d668466c0446643b6467256127cde

SHA256
cd5f6c4a4523c3e488959e39d04b3804f2dd69cff4dd6b3698ac5c1688cb751d

SHA512
7a59760df26e860058313e1db5baa966fe0ac03bec939fa5634dea047da15c05cbbcb3d5fc28f793a4a46e53bcd96ae1c30ccbe0e6fb7033537ca1302c161950

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\VQ77JNZF\suggestions[1].en-US
Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab5997.tmp
Filesize
61KB

MD5
fc4666cbca561e864e7fdf883a9e6661

SHA1
2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

SHA256
10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

SHA512
c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar5A6B.tmp
Filesize
164KB

MD5
4ff65ad929cd9a367680e0e5b1c08166

SHA1
c0af0d4396bd1f15c45f39d3b849ba444233b3a2

SHA256
c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

SHA512
f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\FWE3NVP6.txt
Filesize
604B

MD5
321c4e8c3069a29904be475b2b12f42f

SHA1
7400da5a3eb085d6e1841d8edbff339d82ebea65

SHA256
5db774bd8a106788ffe2772701584acc4aeddb3586196d2b1ccc0ba4e4580d49

SHA512
be3df63af4e275b3bc8d0df1f3ddfd01ac827c7ee8dcbbf5d7dfac4aff864bbc0eb265e2f5f4a47e31729924759c8cc2ef43b74e582d414f042d868d15a8e0d2

Download Submit