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
79s
max time network
133s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02-02-2023 12:11

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General

Target

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

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 37 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
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\DomainSuggestion\FileNames\	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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	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\Toolbar\WebBrowser	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\FullScreen = "no"	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\Main	IEXPLORE.EXE
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\IETld\LowMic	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\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "382108470"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{1E2055C1-A2FB-11ED-B4BC-4A12BD72B3C7} = "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
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	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\DomainSuggestion\FileNames	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\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 70b107f90737d901	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 = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000376f69076991034ea43e16ea0ce76a550000000002000000000010660000000100002000000039b9824a2e480543f605075fecabe49e4af48533450b8d97ae747441782c3fb4000000000e80000000020000200000006462b4ae4ebfb0158cfc5250bb0ef3b90e2c726f514ca5949ba82a321905e1aa20000000ea17195f84af33c1dae6ddd5a41d9da84b3ffb31d1d50a0e9fd6f7b782041dc5400000007d221e5f76d2390ab9508fd1a179e37c6a3177dbc03cfae020fac4536ce0ad56f5419a65314c1f971e90ea869ec1426490f4d9fbb720ca765e230d12fb59ec7b	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\InternetRegistry	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	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	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\TabbedBrowsing\NewTabPage	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1460	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1460	iexplore.exe
1460	iexplore.exe
1416	IEXPLORE.EXE
1416	IEXPLORE.EXE
1416	IEXPLORE.EXE
1416	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1460 wrote to memory of 1416	1460	iexplore.exe	29
PID 1460 wrote to memory of 1416	1460	iexplore.exe	29
PID 1460 wrote to memory of 1416	1460	iexplore.exe	29
PID 1460 wrote to memory of 1416	1460	iexplore.exe	29

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:1460
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1460 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1416

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
b217709e480ff99042d54a959b5595fe

SHA1
de9803362583518ae01801394c023e6aafdd21ea

SHA256
b4b8a77f96e07da5ecc7f9853915689e3db241aebb81bd8c39a60ea61eb95207

SHA512
044a95a0af9d06fbd2a591210931693e82c488231d571d06d4eb901970f03deae799b89492783a663e49e246dd6a2c1f9b39df92d3caf198d419ed450c9a379d

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\O4RO87NX.txt

Filesize
603B

MD5
5c81f95ea9dbdd3ad1d9d08991604651

SHA1
b4ae2becfebeef44c78e3e4ce90408c04a01f955

SHA256
904d7f08244066630c9c85000d8001a128b4d9b6ce57c9827044b4525c77784a

SHA512
7d1556a68e3e955bfd5bdc843ef8f97c7267aa083fd3ff594474074f63fb6710ed6edd124a472e2bb36383edf3510d1ab77aa8f6d381840a6aad9227a7561a88

Download Submit