a3ec6e18338c461fb6881d04afa95c37f33c94904bf2e584b4da96b20bb890a2

General

Target

CS功能版.exe
Size

5.3MB
MD5

98cee8df77c4b1b4fdabb263facab3af
SHA1

f0e2f06205484adbf5f26db4d4ee2dfbc8c47b9d
SHA256

3382f1fcba7290d83a5bb014eda5756a0993ffb68195199f2241fbdd0aa91204
SHA512

ffac3f36615378ab808e2e1e1729ae19f071b72d56b74d1a393f184a2d798a09409d3faf4d86596f047c2279fd8004bc1d5e34026215635ba53ca4f75e329694
SSDEEP

98304:rStP5UfJoSds9oPmyTMmNgva64qvAu959oE8PJBAUZLLloMZ8g8X8nRjOE:rStPmfYoeqMmNQz9zonJV/pN

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral3/memory/1672-56-0x0000000002580000-0x00000000025F2000-memory.dmp	upx

Modifies Internet Explorer settings 1 TTPs 47 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DOMStorage\csokwy.com\NumberOfSubdomains = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DOMStorage\csokwy.com\Total = "126"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 40dbf40b4500d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DOMStorage\csokwy.com	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.csokwy.com\ = "63"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{10340B41-6C38-11ED-A23F-FE41811C61F5} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376087333"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000ec38561781a0df4181d0202186bc93e00000000002000000000010660000000100002000000036ef094cd3e4b52174632d1d785c1a4fe953dfd2e77f51929206e965d807772e000000000e8000000002000020000000d1fb94adb9d2807ab35ac65a8b3dc0e5072785841a929b7f07be2c27d3fa1e0d20000000d6a9eea86c84242b2be5a4829d7f2bff8a56129e406e33e237836af038dbfb5c40000000049261d4a0cfdfc4e5146a2d67f89a675589959619f06bc97761785ee66da31a9d8c61d153cd579a574e709e1ddb727aab49d59a52f73c96d2bc54587d88905b	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DOMStorage	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "63"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.csokwy.com	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DOMStorage\csokwy.com\Total = "63"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "126"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.csokwy.com\ = "126"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

CS功能版.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	CS功能版.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	CS功能版.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

CS功能版.exe

pid process

1672 CS功能版.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1724 iexplore.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

CS功能版.exeiexplore.exeIEXPLORE.EXE

pid process

1672 CS功能版.exe
1672 CS功能版.exe
1724 iexplore.exe
1724 iexplore.exe
1680 IEXPLORE.EXE
1680 IEXPLORE.EXE
1680 IEXPLORE.EXE
1680 IEXPLORE.EXE

pid	process
1672	CS功能版.exe

pid	process
1724	iexplore.exe

pid	process
1672	CS功能版.exe
1672	CS功能版.exe
1724	iexplore.exe
1724	iexplore.exe
1680	IEXPLORE.EXE
1680	IEXPLORE.EXE
1680	IEXPLORE.EXE
1680	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

CS功能版.exeiexplore.exe

description	pid	process	target process
PID 1672 wrote to memory of 1724	1672	CS功能版.exe	iexplore.exe
PID 1672 wrote to memory of 1724	1672	CS功能版.exe	iexplore.exe
PID 1672 wrote to memory of 1724	1672	CS功能版.exe	iexplore.exe
PID 1672 wrote to memory of 1724	1672	CS功能版.exe	iexplore.exe
PID 1724 wrote to memory of 1680	1724	iexplore.exe	IEXPLORE.EXE
PID 1724 wrote to memory of 1680	1724	iexplore.exe	IEXPLORE.EXE
PID 1724 wrote to memory of 1680	1724	iexplore.exe	IEXPLORE.EXE
PID 1724 wrote to memory of 1680	1724	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\CS功能版.exe
"C:\Users\Admin\AppData\Local\Temp\CS功能版.exe"
1⤵
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1672

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://www.csokwy.com/
2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1724

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1724 CREDAT:275457 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1680

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Install Root Certificate

1

T1130

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
Filesize
1KB

MD5
a266bb7dcc38a562631361bbf61dd11b

SHA1
3b1efd3a66ea28b16697394703a72ca340a05bd5

SHA256
df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

SHA512
0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
340B

MD5
750cb3201e5cc540b7c05d22ea72bc3d

SHA1
926dfe14afec3633bebc51de9799ace02dc25d33

SHA256
f722f3a7168f1275dbc9aa0ee430c2f0c2db0266184bda914e039a8cb91da0c9

SHA512
3f3682c20fc7a4b67310ee3cbe3cc0617471ab77e63da1bdfd079acc3537063cc497355ca8e22d35f9ec3199a37c254cfa153c93570ccccd8c23952236086419

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
Filesize
242B

MD5
5cf630091a7529fae8398477379018fa

SHA1
b08ccbc6cfae56783e52db236a96fb18caefe9eb

SHA256
a6b7e080e8c07bf78f79a04bc650f9a55f700d1a7992c3d89abf498d694147cd

SHA512
1dced8133b533f3ebb22f46308bf8b2b3d2d15f9cda5cd816f241e70c0cacd3459b511fca14e0c0f3730476e98bc71fe30840ba3eb123c46a5a9e02c70105b3c

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\558PZPQO.txt
Filesize
601B

MD5
da0cdaa599c710ab7d51c807d3f6ffd2

SHA1
21e86a6e5e1e9076e8ead1a5ab6a884c77015be0

SHA256
991282100b1054e082ff2f1b61ac201ca4cda77fc40bba910b79959c32250362

SHA512
9eb48b1167d6321abedca28535b49881c0de80c2be2623bde87b4c03e03037effee90ac575e9fcb811ea62ab26c306f88341aa4fa71bbf85f05384ebe3d12d3b

Download Submit
memory/1672-54-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

Filesize
8KB

Download
memory/1672-55-0x0000000000400000-0x0000000000992000-memory.dmp

Filesize
5.6MB

Download
memory/1672-56-0x0000000002580000-0x00000000025F2000-memory.dmp

Filesize
456KB

Download
memory/1672-57-0x0000000002580000-0x00000000025F2000-memory.dmp

Filesize
456KB

Download
memory/1672-58-0x0000000000400000-0x0000000000992000-memory.dmp

Filesize
5.6MB

Download
memory/1672-61-0x0000000000400000-0x0000000000992000-memory.dmp

Filesize
5.6MB

Download
memory/1672-62-0x0000000002580000-0x00000000025F2000-memory.dmp

Filesize
456KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads