e682dfcdde010f6e15bae0d843696f6ae8d5a85e75441660b782789ee747f075

Analysis

max time kernel
117s
max time network
134s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19-03-2024 23:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Regent.SmsService.html
Size

1KB
MD5

2923b250a3660c034aa7831d5e6d7f3c
SHA1

646f109012bac000fe1bc58f40d112f77483f22a
SHA256

e682dfcdde010f6e15bae0d843696f6ae8d5a85e75441660b782789ee747f075
SHA512

e7a323d17f9f1c70bbee04c2d05970eed992e01830f73531a9b08a70a72bf253e5e3365213c96b2495b4b1fe9b9a61b8ee0a43126ed600f4468559a56ca03e74

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{94FB4681-E64A-11EE-87F2-6A83D32C515E} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "417053742"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Size = "10"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Factor = "20"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d94d2d3723739f48802cd6414eea5c7e00000000020000000000106600000001000020000000e9467779634c0b42b3d1985be7787e2174dbd7a6c6e8ac6410e96ae14c778351000000000e8000000002000020000000e415a1582598cbf104730e9f4efe030b3d5aa63c7184ee9befca007d090e41b3200000001d33342df430b49735e542788fd65ce028e30116ee54d49ed47aa262b0c542cd400000009bbfd21952db42d835fd33a0b3535ffb7b6cb3ff82c6ad427b8bc4ca128f9c5a2619c5a95568b373cf3c330d57530571fb99c86ced26b603bf4db8d4d5e7111b	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\International\CpMRU	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 30f4226a577ada01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Enable = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2772	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2772	iexplore.exe
2772	iexplore.exe
2744	IEXPLORE.EXE
2744	IEXPLORE.EXE
2744	IEXPLORE.EXE
2744	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2744	2772	iexplore.exe	28
PID 2772 wrote to memory of 2744	2772	iexplore.exe	28
PID 2772 wrote to memory of 2744	2772	iexplore.exe	28
PID 2772 wrote to memory of 2744	2772	iexplore.exe	28

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\Regent.SmsService.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2772 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2744

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

Loading Replay Monitor...

Downloads

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

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

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

Filesize
344B

MD5
b78b8907b29108df57e3334bc8d37099

SHA1
77c1ca33eedf363e92b6bc154e542cd839ba9d23

SHA256
8203c640c7b2857726afdeec453987ca32ed33ed7dcd8daf8117c4a0f21af9a3

SHA512
6bc91ef62aaf3ca394a2f811f379f59abee140df1c0928788ac3fbebe09c487c3e3c87cfcba5c0dc90d7fd18781632677989f803205b4d934adf72c557499a9d

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

Filesize
344B

MD5
8521997ff52ac208ea5af05d38f21e95

SHA1
7f20ada05f484bd3067069eb9e453e54a5e45f7c

SHA256
5b7544a2d966d6bf37797b548929e50b4e9731d05be146921bc87fcad14518e2

SHA512
71e6a834fed2ed1f9953fcf2a50c4bad253324cca026e4e30fc6a71e41bb9aa46ff72960218318abd14a87a6aff2f7585b764988938be9945fc5f86891c0430a

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

Filesize
344B

MD5
1842eb61cd595368d526ab8a4f690726

SHA1
7ccce8ae4e4fb34775704c66056c53fb5f785099

SHA256
8051783ceb18cf0c9a8eeb2cb164564c2bdc52357038625f57fc36f2769198e0

SHA512
c813fe1c54ae24accce0ec8522a399025a53d157a37f9b0b32e1b0fb31b3da4c63c34a0f2ab87c900ba8f64332260ad9d32b29cd5da93e7a6937efbc549571b8

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

Filesize
344B

MD5
6ebc8ee960f6e5ba0499b298c8e0db3b

SHA1
4140dc4c04a577d1b5ee394ec57dd64b23e12bb4

SHA256
5cd907f405015c26b4662333ff84f1308ba4e2a2e1ce1afad768d9cb8f28e6d5

SHA512
7e667c50761278de3139dba5a08a4527ce21f106d8b3aee253c3c4bd45c2ebd8ee64f5d94bc76fe7c3de538df3f9e5c8feea489558a536026e7a0bfa36a2978e

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

Filesize
344B

MD5
61ada4b813499c36887d84aae2f6a786

SHA1
6cb85d8eeaac8b40aa7fcd5c131d4695dcddcbbe

SHA256
e5554f5cf0dfac24b9bb197701844195e40521089ed1ffab7051a27ab189fb68

SHA512
124407f496f963044b2b481abf055fa1e4be9e7eaab1b6dbdd584eeda18ceb22768367874497dfcb1013159e3564e0d102f7baea379017cde532fb351b047b01

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

Filesize
344B

MD5
415155d29c7016df61e13d6fca832494

SHA1
9f40493c596cb30f43322e08befab34fb3a9e471

SHA256
3d36fef630bf5dd7f32958877a934899976e77d9b33f60f8a81debac2b9c732a

SHA512
c055e48baf0e78c64f81d98753016a060613863277d43a5fc8db23c962f111c8c9e21c75264e54e5af82a9fd7951b7cb4eb4cde58e4bc9eba9209d9ba498fa92

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

Filesize
344B

MD5
7439a48ee601f1b08455b0d5c0200395

SHA1
7ca4d59e4d0f7729bba0cba29f30b48bc54f4e33

SHA256
73d1e1635200c265a330e13ba462e34cf268f2863a00e39d07b5237ebf50a2db

SHA512
53eea8cc6b5e3456063c4afbec60fd961e1a2ad4f28c655d8e3658ae400f6c5604bd628b9e57b15e62c00bccb4023cb2f7bced88df2416cc80559f4cdb11536a

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

Filesize
344B

MD5
b0af6915f03b2f365dd701e2fe33608b

SHA1
ae498d03e6e9cb6c911ee4dd75fcdbf19a1fd22b

SHA256
e41abeb7c96e08d8c0734a9ca0c1747d884fd8fbbf3e6d6b6dcd4457e7b68982

SHA512
2821256da3a73900da9785dad2daee91d2e0b103d7e9d3544333e2311c596832146c0b9155bc8988251d145a46c97061b8306c5dcb2c45af66efa89321501e3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabD8E4.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD9F5.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit