hxxp://181[.]210[.]2[.]136/favicon[.]ico

Analysis

max time kernel
134s
max time network
134s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
12/07/2023, 16:14

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General

Target

http://181.210.2.136/favicon.ico

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 37 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 90f1430adcb4d901	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "395943455"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{34B49101-20CF-11EE-B51B-CEC9BBFEAAA3} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000005a31a35914bcf84cb1db54e391e8cdcb000000000200000000001066000000010000200000007478dfb3c64ebcb0167190b7b243dfda1035620f16c8395b912ff5708fc42a6d000000000e8000000002000020000000d04a1706e416492d1b76ea9b9e9b9253c9c105a4c636076786ea2663eb7003ce2000000076406f5974f19e82e346ccf33927678ee007548ecf2487272f23c65f588923b7400000005bce6d2f99d890aa6070011836f0aa60e5935b3c566228d2f0fbf1aaf780d116f27a481a707b8cedeaff19640ec44ae36192ac08e51ac592462d28b306dfcd69	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1136	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1136	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1136	iexplore.exe
1136	iexplore.exe
1128	IEXPLORE.EXE
1128	IEXPLORE.EXE
1128	IEXPLORE.EXE
1128	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1136 wrote to memory of 1128	1136	iexplore.exe	28
PID 1136 wrote to memory of 1128	1136	iexplore.exe	28
PID 1136 wrote to memory of 1128	1136	iexplore.exe	28
PID 1136 wrote to memory of 1128	1136	iexplore.exe	28

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://181.210.2.136/favicon.ico
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1136
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1136 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1128

Network

MITRE ATT&CK Enterprise v6

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\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
532e7a0da4dba4cb2bd483ad5eea49ed

SHA1
c6f0c2a0c5a6ac1258452809e38b481a9295c013

SHA256
b76e0fe6ac3d53c168b5ce28b8f95dfb9f83726150bcf89ebe6fb1ebb4000d23

SHA512
3be17ae317113fc1214b55b3d719607050698a669343acfed8a1df66dba1fd0dbfacb350ef494346c852ef07f1d404ad8b4865b85665faeb00806aa6af1ed50c

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

Filesize
344B

MD5
2c5c25cf8ae6f7d940ded8636e8be9b2

SHA1
3fb76cb68cd5955ae0284d655b73a3b4de6b4e20

SHA256
a1cf05de188bda2168521bce3c5b7912f61f38acd4852eff2589ce117db18a2c

SHA512
f93d90d499088cae70bdff94e21a242693cb44c43db378bf99d8e6d74c67c227ea1c897149bdf9522c344be83d7e9977867365cefb8c38172bb2e9ca0904bb71

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

Filesize
344B

MD5
f51dd06d037ec316b2d92d81bd3b22d1

SHA1
29b3fd58ae4f2be2794924a37aadfe4ab3837404

SHA256
282539de07eedb97ebee6f6a7f8af0dc02e51f82886587c2b96cedd5c2b3d527

SHA512
1a7abaf7fc7bc6855b3e14aff0a56aa72fd6028f55b59922ffb96cbf51a51bb60fc1fec4202c5139db79893387d412093a792052f94589ba6878093b87592f3f

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

Filesize
344B

MD5
eb4d1413aef38aae8189a85b55367b51

SHA1
adb046113952633d5fee0a65dbe796c66dc89cfe

SHA256
4af696eca1c5f8229793ab8b356d663b1ea5850f09dc3dd2921c09492a3adb2f

SHA512
49031625018af72947469d0c005b29ae13c4c7841b77fca5c2ebed8f450d6d6a6516c61679c629656defcaefa9f4f6cefb9c9d2f119193c8ece08b844669f481

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

Filesize
344B

MD5
ffd9f4e1aeb58a0b132fd7d96bdbc3e8

SHA1
3cedb4bc49619b7aaa2112c68b4e910af9a7901d

SHA256
8a349329a5359001a2c661410db4cbb9ce81e6ad3175bd5252d5f4defd5f85de

SHA512
0831125165ee4500a24f5221acc0b81b4b37fd08763e80ec86a89851ac98b91ce87ecc759fad80c493aa54768d7fb8b1605b16e8143f5f99e07fadd7ab4f15b3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\WEWWZC8O\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabA557.tmp

Filesize
62KB

MD5
3ac860860707baaf32469fa7cc7c0192

SHA1
c33c2acdaba0e6fa41fd2f00f186804722477639

SHA256
d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

SHA512
d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA615.tmp

Filesize
164KB

MD5
4ff65ad929cd9a367680e0e5b1c08166

SHA1
c0af0d4396bd1f15c45f39d3b849ba444233b3a2

SHA256
c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

SHA512
f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\F4SB4N7Q.txt

Filesize
601B

MD5
27353fae0d4d2789086a99d96af8370f

SHA1
1b4fff52f553e0736a26f509af50ed91ca9f5063

SHA256
6ff7326ed1de93bbdcb86b2a99aff8651c5a18632b202198a56aa7fc32b5b48b

SHA512
255529f8495e74d09149d820e66b410b88350093bec9fb00cab3ff2d6d0ac9302fdf1de49109b38ca0fe53e791765edc9e3fc074bb07746575b9ac3b02cdd120

Download Submit