4c92997d0ef696acfb50633416902e6b7b3cccca6fd98721bd2658c846fd9576

Analysis

max time kernel
151s
max time network
156s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24/12/2023, 14:44

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General

Target

mtkjw/必看说明.htm
Size

5KB
MD5

9174884f5b12a55f6bb35ec48ec818ca
SHA1

4f8cd9922a00e0c6ca4ed1b1418d81069dc36d4c
SHA256

29feef00e78c042896602098ad1f51555185ddec83b107e1c606019270ad9d9f
SHA512

cf35ac9bf3e14f16b0fe23a6cdc70153da31fdd1ee1ce05af61dd7ba68042a0b5afb61b3ce6f5d0f89c5decda69eb49fa3b317ecaae3d16a97897690cbb41987
SSDEEP

96:eVgWlXZktTuDndkYWuokAbVXHISaQN1exgemaQNA5FaQNGmaQNNgA:eiiXFDzeXdxfx2Fx9xP

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Enable = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{969ECBD1-A287-11EE-8073-42DF7B237CB2} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\International\CpMRU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "409603255"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Factor = "20"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Size = "10"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000002213d23592f6d648a137f9bf65c22cfa00000000020000000000106600000001000020000000552040a1f2899814d0fc1103e5043e2b6acf9818f8eb05767896e7e3660a854c000000000e8000000002000020000000bd58c79719fc333cd3891a23662552692ed29633831f34ddae9f36d76662103d20000000f0766e924fb9faf540f70d6357512747bd31a71de239bfd7b88696324358c3ac400000002ae5de6e2841f8b5ff29dd94ba4ecc909f63f788b3b544636dcecbdacd2ab486e1a9d5350d6446cf1088092b027cd348a7999b4abc4f0e076a10ae28282151b7	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80df31819436da01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2252	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2252	iexplore.exe
2252	iexplore.exe
2156	IEXPLORE.EXE
2156	IEXPLORE.EXE
2156	IEXPLORE.EXE
2156	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2156	2252	iexplore.exe	28
PID 2252 wrote to memory of 2156	2252	iexplore.exe	28
PID 2252 wrote to memory of 2156	2252	iexplore.exe	28
PID 2252 wrote to memory of 2156	2252	iexplore.exe	28

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\mtkjw\必看说明.htm
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2252 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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
e3abef6612b6f86545ab63d6e720b274

SHA1
e2263b9d7168ff079ce664f8e1dc509cfb24da3b

SHA256
ac7b468c1a69e67175a0148a9a12478d798569a78ba5babb26014ad98f5e58a5

SHA512
12e2ec1aa3267183214e135e201cfa2134787b529ad53184034937db7f6650abc4622f9b3ee82133d551f9de781f6d9b5d2863e68ea76fb82167800e762710aa

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

Filesize
344B

MD5
4b4ce4b9a80e22fe4c72a2f7e5dee7b9

SHA1
b601293fc354b8eb94873359232d8782f91a2abf

SHA256
c05c3de0d6ca2cdfe2bb804e43ac6f25534ca9fce8bc00a8c2cfa9bdaa0b617f

SHA512
6d5f075b32680ca4f2b57a753ab5a0f8e36725862f26dd01cdc38eb92c72c8702f5b254c851615b03aea1c28064a36b0cde19a69239ae0710234474a67f2365d

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

Filesize
344B

MD5
89bdaec947e54d2a5c64b4b90c235bff

SHA1
5fbb22c735c8fee773aaf898874ef027542e707d

SHA256
8b7839b86812cadc1c7ca88eef5a390ee814e4fbea2a508306298ac02ffd22ac

SHA512
913c6518fd0b0cb21108c7f0b5c833a39c10463f6b6bf20e3f4204f43e99c2cda1526f2bd21eb67378a53156e05aa52f08f2c817d689c56ed8d11232ecc42033

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

Filesize
344B

MD5
b2cd9625ed508fb675e8a25f3eb2fbd8

SHA1
cfc56c6dbe241064a3dbcd5d0f84247c8cfbdbe4

SHA256
3d92c7423c4ddab3803ed14cfd954f3520a1b903ebde31f56532a4d3c07706b9

SHA512
28283a5b6d1ea74964f050a4e5b9e48dc897e60e3404013b34051b12f9016b6a41184272e9e3f2af64acddf1ea98280805a3f88a90b6c723e772e18ea6339975

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

Filesize
344B

MD5
15720f7d11f9c68a7cd45c256aafe64d

SHA1
eb31990de6fbca9ab3ae199355a597d8d81393c5

SHA256
2f4a8dae06a7de0e18cd264ad31b465b5b42bd3d44b8ce3eb341ea232c5c9a70

SHA512
6cebde8ae7fb67da029c97db7dc42da3f1f154b38817d74de8d0ab01b73c5ae0142c3f51a265bb7b8e5dc43f0cd72ed1ced63131a0100d7e0a6a32c106f6ed32

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

Filesize
344B

MD5
cc936c9a303acd6e1c771fe36d2ad3c9

SHA1
8497cb6fd98ab1d0717ad00357aa196e96902210

SHA256
110fd371b76c5b4a630c2bfe11b11b9fdb4c1ad048983dc7dc7682ba730e4c5a

SHA512
bce893688a411063cb4e3293ba5339178ffb77ea8420f997901c8c92748d984e592b1d06ff85ae38739f7238701be837d5308cb06f5c776ece1056c73c09768d

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

Filesize
344B

MD5
d263c03e3bbca4f798b48927622c8c63

SHA1
5b88d7651c5b20f79d11a57a466875e6030082fb

SHA256
f360dec30bcbb686604a9f81e677df51d3e752b9e91f3fa7af4eeb2eb7fc1c9f

SHA512
c79482a613b50c6e72b4a794facf5d99da2b3e2989b987679a0945e7028ac7f7afc5559783712ce3019aedcfa4fa143573550c7cd2d86e78ef86ad1c268e7c27

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab3CD5.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar3CE7.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit