hxxp://steamunlocked[.]net

Resubmissions

11/01/2023, 13:00

230111-p826aacd87 1

11/01/2023, 12:34

230111-pr3qgsca47 10

Analysis

max time kernel
332s
max time network
334s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
11/01/2023, 12:34

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General

Target

http://steamunlocked.net

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{B7D5DB21-91B4-11ED-BEDC-663367632C22} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "380209063"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f0c9f092c125d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000256ed27e8919d04f83812f84ee5c95da0000000002000000000010660000000100002000000092221f22ebaa87361e3064c0522817e8fc8c7befd5dd1e64c40cc1142f5fde1e000000000e8000000002000020000000ace4398ff10374d07cb7f66665c0de856f19545bad034c3ad227a23fee61633220000000575f2119463c238ef95b87fc87d9d204ded6676824f9737e9f6409f15b586c04400000002d99342040f080251dbd09d81e8d831758103d5f3f0796a06f7574b6b75b30ba36d7627f22a61c4d08f0e80a25898726ff2bb4c011be551cd78be9cb592b51a1	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1292	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1292	iexplore.exe
1292	iexplore.exe
764	IEXPLORE.EXE
764	IEXPLORE.EXE
764	IEXPLORE.EXE
764	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 764	1292	iexplore.exe	29
PID 1292 wrote to memory of 764	1292	iexplore.exe	29
PID 1292 wrote to memory of 764	1292	iexplore.exe	29
PID 1292 wrote to memory of 764	1292	iexplore.exe	29

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://steamunlocked.net
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1292 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:764

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\94308059B57B3142E455B38A6EB92015

Filesize
61KB

MD5
fc4666cbca561e864e7fdf883a9e6661

SHA1
2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

SHA256
10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

SHA512
c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

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

Filesize
342B

MD5
f62ec966be81535946264bfcc7bf70f7

SHA1
107c53647e299592d2d7d5c04eb70219ec309197

SHA256
207bd3dbea50923df2aef2d702e5f9856aff3445846b48d1d237fe62c78b61bd

SHA512
b8fddf068d76da7ca69087490b3efc387cd6af134940f7e3be7fefa4b42584d4eea2bde92924370646e1c24eb4e3e53137867edd4fd6eeba8e0c1f314942d9b4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\t9o3c8r\imagestore.dat

Filesize
852B

MD5
7b8a8078299adcd7d230209ce67746c3

SHA1
2ecd6ccce6ada57b4deb3a411dceaf7cad6ad49d

SHA256
a38b72d5d8c0d98e90632d7dfe423faf1838f3a29f4b5e73b437806caddcbf43

SHA512
f3bd48ad7b5a7ad35b99099ee610d23ec8b260a3021133374dd3b6535b7342c3bb33484315ff8968a4d4d554cee124a9107414c98a0debe573e69da59eb967b5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\O2QLT20S.txt

Filesize
608B

MD5
5aa7e32396b807201afd0524410ca9cd

SHA1
5d204b09848849e3ad050fa81891dd371299ecaf

SHA256
43ef9042786f5d791c2982f19d553cf154780e4b996cff8bc9f557f1b37ea4fc

SHA512
9e1543747f09845c876f9a34861e368f0932fd25407e9de22d1ba27f2bd194f340ff93709e712a143fdc993eb7b8727ed7d5d3c3a331f5c44f948b207839dbed

Download Submit