hxxp://linktrace[.]ctrip[.]com/ctripetracetime20231226/EventInterface/map?t=41768046&EASEYEUID=9098939-381428-168-25572&yiyeoriginalurl=NB2HI4DTHIXS6Y3UFZRXI4TJOAXGG33NF53WKYTBOBYC6Y3POJYC2Y3BNVYGC2LHNYXWGYLNOBQWSZ3OF5WW65TFNVSW45DTF5TGWLLYMYWXAYZONB2G23B7MN2G2X3SMVTD243IMFXGO3DWL5TGWX2QINPTG===&enc=1&i=&s=V3-0D9CB716BE4248CF12A896C13841801D76B38209

Analysis

max time kernel
122s
max time network
151s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 06:47

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General

Target

http://linktrace.ctrip.com/ctripetracetime20231226/EventInterface/map?t=41768046&EASEYEUID=9098939-381428-168-25572&yiyeoriginalurl=NB2HI4DTHIXS6Y3UFZRXI4TJOAXGG33NF53WKYTBOBYC6Y3POJYC2Y3BNVYGC2LHNYXWGYLNOBQWSZ3OF5WW65TFNVSW45DTF5TGWLLYMYWXAYZONB2G23B7MN2G2X3SMVTD243IMFXGO3DWL5TGWX2QINPTG===&enc=1&i=&s=V3-0D9CB716BE4248CF12A896C13841801D76B38209

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 34 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{9C66BF81-A3BA-11EE-84F1-EE5B2FF970AA} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "409735124"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000429d3af34477a14f8b2dd76917334189000000000200000000001066000000010000200000006f4159f33a101021ebb0b3257b815b3c051bae22825c8add332728023e4e47a6000000000e80000000020000200000008078c84f8c7c1df8c9880b35a2bac9ba93fefb9be8c2eda3659fd0bb45c122b7200000001b3fae332a98d894153a0e11312b362b20cd81d84abbf31de177fbdaa94f4761400000009d702899c663fdf197049f67ecbc7150244cf3e3f2ede2bfa83f7ac83227dc50316021af782f1ac96efa685725091d3e746717f2eee7242030616ccbfe1810ca	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 70f68d8ac737da01	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3040	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3040	iexplore.exe
3040	iexplore.exe
2400	IEXPLORE.EXE
2400	IEXPLORE.EXE
2400	IEXPLORE.EXE
2400	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2400	3040	iexplore.exe	28
PID 3040 wrote to memory of 2400	3040	iexplore.exe	28
PID 3040 wrote to memory of 2400	3040	iexplore.exe	28
PID 3040 wrote to memory of 2400	3040	iexplore.exe	28

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://linktrace.ctrip.com/ctripetracetime20231226/EventInterface/map?t=41768046&EASEYEUID=9098939-381428-168-25572&yiyeoriginalurl=NB2HI4DTHIXS6Y3UFZRXI4TJOAXGG33NF53WKYTBOBYC6Y3POJYC2Y3BNVYGC2LHNYXWGYLNOBQWSZ3OF5WW65TFNVSW45DTF5TGWLLYMYWXAYZONB2G23B7MN2G2X3SMVTD243IMFXGO3DWL5TGWX2QINPTG===&enc=1&i=&s=V3-0D9CB716BE4248CF12A896C13841801D76B38209
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3040 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2400

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
826e4ed47825e9ee5c55bd594abfa633

SHA1
3225545368440213daecfb2251384f497890db05

SHA256
7af990c9615040f4a2865dc4754f4c4b00cf855b24ff2e38fdde1e7d0734dae5

SHA512
bd03691726e915ccfe642583371fb7abe46aa64f92011fb86104022e93fe58a4ee86e933438fa2d1bac22988815728ce1a33a911b259cfa1f110d2eeb364b220

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

Filesize
344B

MD5
0e8f1eb5890df0add3b62dcc5cbafcea

SHA1
9911011f2268b55408a22fb5e6afa26a0a8df65b

SHA256
53a86613cf49ec1039cf60fc4865badfaaac74dc88d9e03f109af0e57878954e

SHA512
174a7b47de06c9c7ed3589e1f449ca197673768f241e209dc2086b8534f676e1ad2a7d183844b07d95778dd25e1ffdbfd2ef68e668c8a1a6b288ccd4cddaf950

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

Filesize
344B

MD5
2b46203048072c922bb3e4eb837fedd3

SHA1
dd59a0673f9085e186e242a2bdf8f0f2dbefadb7

SHA256
d9d7babec7658fcb981c1a3ed3e786ab197beef5c64b98c4c4fce5f0d1123e52

SHA512
775551a63fc69b2fc7b6ed1316e80db024c614966a10761f4d4cc393932214c60df6ad628a52a3cda022cee2ae0e9efc21be8645d2701224ad1c4d148b9d1273

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

Filesize
344B

MD5
e568c137eda92c908865847ada7150b4

SHA1
0e88b4362c931afe2b4842b74f0980ea6dfa742c

SHA256
b95ee4c65d9c22c87062e088a8f39ed9879a7f77f7ff91f880ef32f442dc6c6c

SHA512
280e15e0c8151a051ebeacd46acdfa10a1f046f9e868a8f59be823c1b289929319867936be76ee57060b42676a6b5b16ca2c86a46ee272b0b8fc35db2942900e

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

Filesize
344B

MD5
cd2b3bc00b6372de3746d67059d42f3b

SHA1
f38cbf69f9fb1c0d13a948c67dd4bd159bfe726c

SHA256
821272424a7cf01a788f98c42e417e871dd822c2a63a4556f5a8dba33484ba6a

SHA512
ea59ff470b13f6bb7db5841c6f2ef50d6411df6493571ed57133f6e83bb463dcddcb951ba73112d03d688e9e6762fab694d60c571482d8ff91ac61f5f71a6684

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

Filesize
344B

MD5
5a7422d4225ca6432a2957e53ee5ea53

SHA1
b6ed042111efd155050c591a45cf651d279caa77

SHA256
376f260040db7c5a5daa9957b69a5c8e7a35dbe8cefd3c7a10a02e349967dec0

SHA512
05c333c1fb58bc984c2fc63e47ed57845304ac7f169e4c99b07b4132507cfd2bb47cda04e866339143da0f2bdfebe3d74cec2e2917799d97b31b660eb0cdb4fb

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

Filesize
344B

MD5
5089acfe0c0f3475f5177a3bcd5d0cbf

SHA1
aed0b3da26626c0f0a51f6b43de5d6e1f897d349

SHA256
cfd6814ee3625d7752c27bf087a1f0936db60ac5c7bbd5144e4f26575c3e068d

SHA512
7de663b67e1a5385a018902cf626d6f080cadd8ca6e09073cabd8e2a99c34abdbf0cefab9278a6c5ba4dcd2588298b515b2b7753076fbca7dd0ba696af3be86e

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabF8E.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

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

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit