hxxp://202cc[.]8170zt[.]cn/xudp

Resubmissions

02/02/2023, 12:45

230202-py79jsac6v 1

02/02/2023, 12:25

230202-pltwdsab8z 1

02/02/2023, 12:11

230202-pcth9sgb47 1

02/02/2023, 08:17

230202-j6qftahd9y 1

Analysis

max time kernel
97s
max time network
186s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
02/02/2023, 08:17

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General

Target

http://202cc.8170zt.cn/xudp

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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{02632FC1-A2D2-11ED-9ECC-C253C434FFA8} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "382090813"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d9d247a0aaef1541802f88a32220e99300000000020000000000106600000001000020000000d7fdc079efe7b3da7828cb11aa7066784961a517a0457f20b06eaf0b3ac45a36000000000e8000000002000020000000259e69ef6c2ddfe8b7ffe6c80ee3047e88e2e18635f658fcbf35033911da440a20000000accaaa3b41a748a414957fa3460b60f109908f615233cb9d0db1fb329b54f2b24000000093677acd06df4855397fc06266619a337a6e303c8ec87ded10e5cf25b61511c616c9be6bc8f4e5099cb7f8928ad984a4f1c3c643d0a74f3aa8e787cbda5eb777	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 50d675dcde36d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1740	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1740	iexplore.exe
1740	iexplore.exe
536	IEXPLORE.EXE
536	IEXPLORE.EXE
536	IEXPLORE.EXE
536	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 536	1740	iexplore.exe	28
PID 1740 wrote to memory of 536	1740	iexplore.exe	28
PID 1740 wrote to memory of 536	1740	iexplore.exe	28
PID 1740 wrote to memory of 536	1740	iexplore.exe	28

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://202cc.8170zt.cn/xudp
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1740 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:536

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
344B

MD5
0dddd507ca37632892f8da0ef3606732

SHA1
a387b3d76b36e4dd6d212cf1d865393020a5476c

SHA256
52390bc7835b2884f16b3df72b34c7291a253cefc0f27a1417b70e08f5658080

SHA512
7f055ee7da84ea0b4d2e1a1e18751e1e00f64d15e171874be69cd48bde9d913c02ea594899eae85a1809a6dce95d267e2b65bea4d787b0d0b2f1d074bfaeb6fa

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\I1MTNWZB.txt

Filesize
604B

MD5
12d87cec4abaeabf70dd01c386161782

SHA1
69174656a8c7fe7f5c4fa602a5b7392d7ff96565

SHA256
6d8800c313eb109dae48cc96451b911c92f469f4a05c7dec48ee8815c3e3d09f

SHA512
73d941e64b9fe7608a06d022eb53a236ad60c86cee40fc158ff105be00543aa58194921bb6473820b5aabf44f1a912369e0760107e719a714f616b36009c699f

Download Submit