hxxps://storage[.]googleapis[.]com/1b1cc374aeb6fb12e8a6/28ead50359fd29bfd862#RlZVQ1JBclJQTUx4N1ZQcjVpdkxOMENYK05FMWpaSGVhNzU0NG5KVmRNSmhQQzdVVW9BbXp5UFZwUUVxZm40bE9SaDdVZDBNaURRMExQbHA4UTRaakRhMkpzbEFFcHdZcldiaVFsSzdwVzJmcm1hK25WU1l2eFNtaFh3U2N4TzB1QXkxUk9sRGtiRzlScnJkY01CTEZ3PT0_

Analysis

max time kernel
117s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2023 18:00

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General

Target

https://storage.googleapis.com/1b1cc374aeb6fb12e8a6/28ead50359fd29bfd862#RlZVQ1JBclJQTUx4N1ZQcjVpdkxOMENYK05FMWpaSGVhNzU0NG5KVmRNSmhQQzdVVW9BbXp5UFZwUUVxZm40bE9SaDdVZDBNaURRMExQbHA4UTRaakRhMkpzbEFFcHdZcldiaVFsSzdwVzJmcm1hK25WU1l2eFNtaFh3U2N4TzB1QXkxUk9sRGtiRzlScnJkY01CTEZ3PT0_

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 35 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000005c5577b934ce404595f7298c434f35d8000000000200000000001066000000010000200000000bb72f02e8dadb268cc684aaffc6e12e5b3fcbe129e4b0026c65d55c049b2ccc000000000e8000000002000020000000c8a819e02f35b10a04eb6748640b0c765ef24221847360c64977e83deeae70c620000000e43807dc7b9ac5d0b20ef63411d5a114e7b6a44b8edade1ee8799e61ee581cb140000000e1c0d93ef36819c5d5f8b7d425f5c8eced1c66969a277fa5e9cd173c33a3273bbda7646ef88a218165d55f5820c29225c50f75316e245a1da4146a0f4c10870f	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31034801"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 703e2c47b18dd901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "391636993"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{70A09257-F9A4-11ED-9156-DAE3AE61CC88} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1165333953"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1165333953"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31034801"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31034801"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 10f34f47b18dd901	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1178146279"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000005c5577b934ce404595f7298c434f35d800000000020000000000106600000001000020000000c5f36be0e3699ca997f33a0aba9abd7aaa9f28ea7c191489f9329f1430c1a58f000000000e80000000020000200000002318b1a35f428ddfc6d84bd48a9dc2e15b6f01ae0527df861fc9f1925e3b76992000000031dfbb78ba74db893ff15cfdacfb102635c0df0abc978ff04227a8c9c6ecd42940000000729b2bd3c1d4c71ee36ac4a9403ef032395063cebd9f4b3cbc4a1ec1db4e6c93e3880ba30ce7e59518c227e3fe149e9bcf67ae660a665e04fa4241ab81082666	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3436	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3436	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3436	iexplore.exe
3436	iexplore.exe
3324	IEXPLORE.EXE
3324	IEXPLORE.EXE
3324	IEXPLORE.EXE
3324	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3436 wrote to memory of 3324	3436	iexplore.exe	84
PID 3436 wrote to memory of 3324	3436	iexplore.exe	84
PID 3436 wrote to memory of 3324	3436	iexplore.exe	84

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://storage.googleapis.com/1b1cc374aeb6fb12e8a6/28ead50359fd29bfd862#RlZVQ1JBclJQTUx4N1ZQcjVpdkxOMENYK05FMWpaSGVhNzU0NG5KVmRNSmhQQzdVVW9BbXp5UFZwUUVxZm40bE9SaDdVZDBNaURRMExQbHA4UTRaakRhMkpzbEFFcHdZcldiaVFsSzdwVzJmcm1hK25WU1l2eFNtaFh3U2N4TzB1QXkxUk9sRGtiRzlScnJkY01CTEZ3PT0_
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3436 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3324

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

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

Filesize
404B

MD5
5f663a07a1103a591b58f1500d5570db

SHA1
1cbd5e6026e90945caaa48a81050b2cf73875fc5

SHA256
5317184550e5872a55bebf2618bb5aafffcf6580620ab52fd6f012687b3601bc

SHA512
b2326075d26b1ae491d126a509e128d05527f3cdc3e3f2fcc076d45cdeb779bb8f5ef9c97c49f15dbbe27364a3bdf8565aa4ac0706e25d6903c4a7a53f0182c7

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\JXO1ZP0L\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit