hxxp://schoolsbrightestbrain[.]com

Analysis

max time kernel
138s
max time network
151s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 12:02

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General

Target

http://schoolsbrightestbrain.com

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{B49F2C01-A3E6-11EE-8183-5E688C03EF37} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 4015c88af337da01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000429d3af34477a14f8b2dd76917334189000000000200000000001066000000010000200000004cf52621fcd116192743d9fb135f3f2d410a2117e42a7b69d285038be01524e0000000000e8000000002000020000000c2a9e65139acafb28e06ccb8a460f53d65c2a5e12c6be3cb94357a2cbdf5f14d20000000bcdb155365fd26ee0ca212a35122a624545457e86f66ec48d5143165716f4287400000007267f9319a389840953a5415ae5e78201fed1ab922628f0a9e1167eaf6afc28ad3af1ba4a63475caade183663dcd94fc97844719d6392025f282a73e6fb4b32d	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "409754061"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2188	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2188	iexplore.exe
2188	iexplore.exe
2424	IEXPLORE.EXE
2424	IEXPLORE.EXE
2424	IEXPLORE.EXE
2424	IEXPLORE.EXE
2424	IEXPLORE.EXE
2424	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2424	2188	iexplore.exe	28
PID 2188 wrote to memory of 2424	2188	iexplore.exe	28
PID 2188 wrote to memory of 2424	2188	iexplore.exe	28
PID 2188 wrote to memory of 2424	2188	iexplore.exe	28

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://schoolsbrightestbrain.com
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2188 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2424

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\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
2057df015220cd33b59e20fba23c8382

SHA1
e2ea64326f85eb101da175a5f32e1ef4af203d1c

SHA256
f4404c3306d0ea7dea09abafd1379b5164a6163b9a85371533f4f4606e82314e

SHA512
4dd9c09c5cd8f135d8b15d6cc58b6d96454bd359b8300b57f954085324ea8abeead52d56ec84c50960f55513150bd342b590c71cca20772f80d1675ab85e207b

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

Filesize
344B

MD5
f77521376d64612b7e9c2e07f6b1a6c6

SHA1
a785ba4bc1270b9f17497fac3323c72f24904831

SHA256
55f9071763fa0bc1a338c34dd6cf142bca37ed50761bb49127a5ca94430343ef

SHA512
498625d77249c09c3d082e9e902f3aecd64bd96b7c6336acb0a4d28aa9a01d5b04e5264ce6cfaad61106f6c6c3c81f146be5cc1821ac63f6069062e12e469ab0

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

Filesize
344B

MD5
1fbe81b2ed7497f3ee5e63c0db2a25ac

SHA1
e67bd6533ab9ae4da28dc74686dc009882201555

SHA256
447a28559a96d5c4f1bad7fa16063ef70101a24a87416ea271c5ee3886c7326d

SHA512
a7e3648bde0bbe6057737eba5efeedecb93d6aac95aeab0a76b0fae5178794017ed28ecb0ae0c4ff37bf7620f573237c3f9ee6cb94ecb929e1747a4c33db08ba

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

Filesize
344B

MD5
5020516c38398ccfcac299956e6dbf46

SHA1
4462e08aedda074293439478697cbb48158a43b1

SHA256
64deca966a214e8717241dab86b341f2f466882a8af093c9aae79fd547710715

SHA512
cda6621ec9c9bffba5afb9a63621617981aa441cdd314f76a7829418022b8c1f8c394cf49a7f391697376a43db40bfc0c2dbf365a8c5a526cf71a7d9dcff1ff7

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

Filesize
344B

MD5
8a632b4ae6c949e547c5ef2f5d1fea80

SHA1
fe682dc6de41cbe582d595925b21d8a9d4f3fabc

SHA256
68a3dce56c139cc262e3ade380a0abc6ff8fe3bd6efda647ca3bebe9b27a250b

SHA512
d22ea1b4e316db8816568a3d3c0d485725c71077bcc030bfab7d5dd1c8b10daaee8a0399325e707b2a7d8dff190b6719585c95a078d6d96ddb4197a778a0a4a2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\RU3RPYUN\favicon[1].ico

Filesize
94B

MD5
514eb157c352678fe6e6ffb103579bfa

SHA1
5892249a4b53845b0761623aefa1c0d251ccf7da

SHA256
5e0f936c52cb1e65ccda6fe580472f66166fa4687aeb931c2f0b25bf8c858daf

SHA512
91832b7b508d3386e65bea57a42c5b8af73f5cee55efa0b05ffb8dc9a60473cec718f2d28a9d8c7420ae92ec6ba43a1df598541571ffed4726a61fa4b8703edc

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab5A33.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar5AD3.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit