hxxps://polo[.]feathr[.]co/v1/analytics/crumb?flvr=email_link_click&t_id=6356b996c1fccc23a0986068&crv_id=6463f2e263e449c697f8129f&p_id=63f8eb47f677980531c7036d&cpn_id=6351a37c0a37531d83bf8948&rdr=https%3A%2F%2Fsupport[.]dgsavants[.]net%2FQYUW%2Fmgrimmelikhuizen%2FbWdyaW1tZWxpa2h1aXplbkBoZWlqbWFucy5ubA==

Analysis

max time kernel
199s
max time network
208s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
23/05/2023, 09:06

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General

Target

https://polo.feathr.co/v1/analytics/crumb?flvr=email_link_click&t_id=6356b996c1fccc23a0986068&crv_id=6463f2e263e449c697f8129f&p_id=63f8eb47f677980531c7036d&cpn_id=6351a37c0a37531d83bf8948&rdr=https%3A%2F%2Fsupport.dgsavants.net%2FQYUW%2Fmgrimmelikhuizen%2FbWdyaW1tZWxpa2h1aXplbkBoZWlqbWFucy5ubA==

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 60 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31034749"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000272d42a741a54441ad098b6e08d53d8c00000000020000000000106600000001000020000000588760edfaef847e021074e808cc79de2ae1966253ccd0475ea25372dee9a226000000000e8000000002000020000000969cae5489dc5b331267f744eb0c52aa1ff01044eb2d93ab5bad0724e5ab239820000000713a0d5ea75fdceadd05b76f144db7b2418fea23f7bd92197216832c42447a1140000000e593dc1ce77e5052382101a5962f42275388be3376528abd57038cb005099b1dc82dd602e262f8abf18ed2b7ac9df6f1285c8a596242ad3e9f53b5c83369cfef	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TypedURLs\url3 = "https://login.aliexpress.com/"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TypedURLsTime\url3 = 0000000000000000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3082713039"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3092086597"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\TypedURLsTime	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\DOMStorage\oktas.co	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31034749"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\oktas.co\NumberOfSubdomains = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TypedURLs\url5 = "https://login.live.com/"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TypedURLsTime\url6 = 0000000000000000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d09352a97d8dd901	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TypedURLsTime\url1 = 921e1ddd7d8dd901	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\TypedURLs	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TypedURLs\url4 = "https://signin.ebay.com/ws/ebayisapi.dll"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "391614851"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TypedURLs\url6 = "https://twitter.com/"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E2E210C2-F970-11ED-8227-CA4101B7AE80} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000272d42a741a54441ad098b6e08d53d8c00000000020000000000106600000001000020000000c422bae3ebd9653a4a70b5bcfcf465d382ff73f4d0688e6444e9422ca1951995000000000e8000000002000020000000a20222536a5c69696ef1e8b32d7e86eab2d5d1494f735b7201278ebccddd586b20000000ff92e738ddd699fd48189a7ee8b8259f5ce2637594060c4c396e0d8977e8a8d7400000008f729825269c28bff7ccf190215fb855ed33af7ddb6834e463a443add6b177a4b6951c0f9424ce5a9cf206be4478ae4d9bf348c7980c482fba89139509d84ab7	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31034749"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TypedURLs\url1 = "https://lmoautn.oktas.co/[email protected]"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TypedURLs\url2 = "https://www.facebook.com/"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TypedURLsTime\url5 = 0000000000000000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3082713039"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TypedURLsTime\url2 = 0000000000000000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TypedURLsTime\url4 = 0000000000000000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\IESettingSync	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\oktas.co	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "6"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 405637dd7d8dd901	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2328	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2328	iexplore.exe
2328	iexplore.exe
1384	IEXPLORE.EXE
1384	IEXPLORE.EXE
1384	IEXPLORE.EXE
1384	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 1384	2328	iexplore.exe	86
PID 2328 wrote to memory of 1384	2328	iexplore.exe	86
PID 2328 wrote to memory of 1384	2328	iexplore.exe	86

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://polo.feathr.co/v1/analytics/crumb?flvr=email_link_click&t_id=6356b996c1fccc23a0986068&crv_id=6463f2e263e449c697f8129f&p_id=63f8eb47f677980531c7036d&cpn_id=6351a37c0a37531d83bf8948&rdr=https%3A%2F%2Fsupport.dgsavants.net%2FQYUW%2Fmgrimmelikhuizen%2FbWdyaW1tZWxpa2h1aXplbkBoZWlqbWFucy5ubA==
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2328 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1384

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\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
94efe971fd70d9d426978045456a879d

SHA1
97f170ffda6afd79be0795ffcc37c7efd82ee801

SHA256
fcfaf64c502c0feb0175aa72247927eeecd556004302a20e09f6fdaa644504e6

SHA512
baf5e9e1e9bbbaef3cd6365ec2b1c71314c14d0acd5837c1975e71a374b9fe724035929b47fe5bf5aef5845ef6eb17b178f20460b115419094733dfc8a27799c

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

Filesize
434B

MD5
1344c9ff441089e462d22ba93d9adfb5

SHA1
5723ab034748eff3a4dfec0884007ed0938b3781

SHA256
426284d652f80aa134e16e252bf87838cabc583086e44b7d34c1e10fadf7e9b4

SHA512
3f2318e810d00bc03d53b7d7756888d11625925610a5aa417a15c2e8935eae7875366cc3cf15c8c6e199b889e263639c0be593aa3fc0fdcfab2a7da194b5a266

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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\cz9baam\imagestore.dat

Filesize
5KB

MD5
ebb376d490ead4e61ad36d2a539c5a25

SHA1
6d709e5e2445d0ce3a0188b493863fb048196323

SHA256
e18d71b238d83207df435d230818ad45e470ba8ad9fda5986df63cfd50a64bb7

SHA512
52f4a3ad650a780324a6d5e733ff8f8c12c8e431c38b890a4482813f2c2671269c5418cb5ec91e3e397218d0d1ea565b1177f9b491a44e22db5b0f90951680df

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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RP56V4OA\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\RUOQG7D6\Digital_Savants_Logo-150x77[1].png

Filesize
5KB

MD5
b470aba6e41db146ec0ef941edff8dac

SHA1
e2857bc2366edfbcd639c5964f6462cf7a9939c0

SHA256
ec4a434a2cae4ab06bb2b5e11c7b39a5b01d1222cfe4daefcae9832ac11d1681

SHA512
8728dba417c8a53c378836b4e02ddbab6e260f2103faa7e1650d25720847376e020a1de07899fd6b9fb4ac3532d021dd3324b53bda72c87d85bd59b7fe88ee26

Download Submit