e46f2dfcb11edd25c61e80974d1a4ab641ab501f2f05195d31ef5098b343fd40

Analysis

max time kernel
139s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
16-11-2023 22:11

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General

Target

AllowLists.html
Size

22KB
MD5

05adb140d93aefa359e5df7ab8c27395
SHA1

8f05a1803037978342b3b151c1abdd8473f0f095
SHA256

e46f2dfcb11edd25c61e80974d1a4ab641ab501f2f05195d31ef5098b343fd40
SHA512

bddfc4814b97de35fe599735f713ade1511669d1ab9adf7ace876d32f78266e29c90bb56566ab3ac6aae4e0cff393fd2672afaa66e65fb4f60112ab9f5ef99e1
SSDEEP

384:+Fvxfr3udKbiM1YYavAZImF41u+sr4dA4xGCJyTmVNk:+FhPkar4dA02

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{5109F0EE-84CF-11EE-AEA7-E6DDB52DA3E4} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "641020418"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000a786c536d7cd7e4ab8c0af0cd6cbb4300000000002000000000010660000000100002000000054460ab69c224f12a223b461770841f6db9b3b4a2da3e433cd4400ee1608aded000000000e8000000002000020000000ff5379c37a04ec11edc8f2df1214b5ebdeb832ccb41d2dcfc8501fb32e5e358d2000000058cd620f390a08fead2086c6fcc96348ab43c4e6a52296efa109e7f4147a44ce40000000a416999fd44acb097b42d8ca82d449fa37023816e9850cf142e6e0f4bc8821f15c3deb21972abd415b035a1697146a385e9b6a454f65d7c3b19e8f36b8a0fbb7	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 10e31d28dc18da01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "628832432"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31070428"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "406938620"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31070428"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "628832432"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31070428"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000a786c536d7cd7e4ab8c0af0cd6cbb43000000000020000000000106600000001000020000000a8be801a9e47f82ab1084c0dfd71f8bcf0859bcbeadd3c45e47bbf311f85d559000000000e8000000002000020000000ee3b958ec51895013bb78a8dff89bb313317df55003062f181ec826f09a474d720000000d214d56dd7ccec25839b480c53e9bb6a49ac01c4e24dddbcb06f5b1d7a5817b9400000003ccf8d419cea2688bd98cea2c4a226792a275800c985e8eb938695be666ef13d270fcfd58ea4f7ebf21ddf2c11e772afa8561b1f6921c70673af48a26af090a9	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\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-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 20461428dc18da01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4272	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4272	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4272	iexplore.exe
4272	iexplore.exe
1452	IEXPLORE.EXE
1452	IEXPLORE.EXE
1452	IEXPLORE.EXE
1452	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4272 wrote to memory of 1452	4272	iexplore.exe	84
PID 4272 wrote to memory of 1452	4272	iexplore.exe	84
PID 4272 wrote to memory of 1452	4272	iexplore.exe	84

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\AllowLists.html
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4272
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4272 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1452

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
3cb894068019751120a41a846bcd7a65

SHA1
805a3cc865e62ab18caaccacc1e3baffd9b06d85

SHA256
e3d0be3d8a114b32741cffe277c946a6a895811ddf28ecc0591402ef23910274

SHA512
fb169338e42cd9b5550a9d49026807c8363a2e636ec1ae317a0e07de9ffafcae5ff90d44263faacf91a9a86a5b6afe191a2c1fb36b2c1a7ccab7746cb7b8dd1e

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

Filesize
404B

MD5
f910f18a19293379f4a8e8e695afd78b

SHA1
674faf7d91f10f4189f19ebef34f85e3fb5c2543

SHA256
fc7c821ffb2ebd8a55f9b4f4c51ec3552b3ea1b656459a1ceb324754b703db81

SHA512
c95ab9329512b10050c8725a8020c6a7bcfea3aeed64a22f2e369724d02084f18281461bc653040aebbfd95be9cf835c4aadbb8344ba0678b2c4053f4b85b432

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\MKS56Y3I\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit