hxxps://www[.]salwyrr[.]com/

Analysis

max time kernel
132s
max time network
138s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02/02/2023, 23:52

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General

Target

https://www.salwyrr.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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{1F7A53F1-A35D-11ED-8FA4-466E2F293893} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 803592fa6937d901	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "382150563"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000eb9dcf60c88b5e47a0e44e75e5107e6700000000020000000000106600000001000020000000bc779b36c5a56fe774abf4f6d01db4f5d7b60396f6f86202c327f909464cfcf8000000000e8000000002000020000000c805de67f759d4752039e14949605bc6ba92fec6fc31e60c72d98aac2e7b408c200000005107621fb93a8b1d69751888f8eece6319bfc6e8a876f6d7225af9d6f7d8eadf400000001802edca01a38df59e3ca84430aea416cff1a2381074b3f7f8c974ee82251d20e19428ac1d9b55d9304fbc8049eef942904cc93388f18608b1b1113551d996b8	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1384	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1384	iexplore.exe
1384	iexplore.exe
1996	IEXPLORE.EXE
1996	IEXPLORE.EXE
1996	IEXPLORE.EXE
1996	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1384 wrote to memory of 1996	1384	iexplore.exe	29
PID 1384 wrote to memory of 1996	1384	iexplore.exe	29
PID 1384 wrote to memory of 1996	1384	iexplore.exe	29
PID 1384 wrote to memory of 1996	1384	iexplore.exe	29

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://www.salwyrr.com/
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1384
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1384 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1996

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\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
340B

MD5
91ee5ab26448cdebd2f232ed2096f10b

SHA1
72880926bc1335bc0e1a9d953a38db46cc735202

SHA256
c18ac357332126343311146a2078349df538b48d077ff0db422e5738dcbb5ee6

SHA512
beda6677a9b10429e9c241815c63e996be6297703bb5eface532ef77fd40cb8a29ad028ee11de9e0dfb9cb3451f5709b2fedc2a0a682aa95a85f192edb5632d1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\lwrmjt1\imagestore.dat

Filesize
8KB

MD5
f76f1e50d69fb6c1e931ee8ac871ea58

SHA1
78bf8b7365ae4d0f5a82d177ec8e0cfdf696eba5

SHA256
7e985563442a083722f2706588f3d8aa1bb16b3771fe5e78cd5aeb3cd30497bc

SHA512
2d5472e4e0be04b3994c5e9f32e6b10965689e734d0a7cdaf2051a65c50c8add3a9280f31648c5b3aa7d9f3b430fbcbd9ed873823d14bb80836858c7de7a58df

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\QADHN50M.txt

Filesize
603B

MD5
5a252e6f3482c87fa1dee097f1ad1086

SHA1
1303bbbe8e2bbf69e95f4f9895c684295a8b8686

SHA256
4c5640529b74eecb80a4223a116cedc5517d89b49aef6e41727ddfc2244eba9f

SHA512
bf80f5fe965a61b442433493be356be3c22337851c6ec104c2add6dad15ee45154fcf7515b8a20e111fa5ee5abb2b474d9a919f4a52747edee7301fa1b58f2ad

Download Submit