hxxps://ci6[.]googleusercontent[.]com/proxy/C3MBuHyWVeFPU-_nu5boEJbpf8hZyywcz4mxsuDlxbBJmZ9HCBsy8W84IR4LCMtuqzcb0mQ3BhpBa5yy6buOkMrFjo9ozfOE3wJfDw5F50bS1g=s0-d-e1-ft#hxxps://eu[.]docusign[.]net/member/Images/email/docInvite-white[.]png

Analysis

max time kernel
117s
max time network
133s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 16:26

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General

Target

https://ci6.googleusercontent.com/proxy/C3MBuHyWVeFPU-_nu5boEJbpf8hZyywcz4mxsuDlxbBJmZ9HCBsy8W84IR4LCMtuqzcb0mQ3BhpBa5yy6buOkMrFjo9ozfOE3wJfDw5F50bS1g=s0-d-e1-ft#https://eu.docusign.net/member/Images/email/docInvite-white.png

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs

Modify Registry

T1112

Processes:

iexplore.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\PhishingFilter	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = 80f04f59ab4fda01	iexplore.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{95EE18A1-BB9E-11EE-9028-E6629DF8543F} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "412361899"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2056 iexplore.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2056 iexplore.exe
2056 iexplore.exe
2500 IEXPLORE.EXE
2500 IEXPLORE.EXE

pid	process
2056	iexplore.exe

pid	process
2056	iexplore.exe
2056	iexplore.exe
2500	IEXPLORE.EXE
2500	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

iexplore.exe

description	pid	process	target process
PID 2056 wrote to memory of 2500	2056	iexplore.exe	IEXPLORE.EXE
PID 2056 wrote to memory of 2500	2056	iexplore.exe	IEXPLORE.EXE
PID 2056 wrote to memory of 2500	2056	iexplore.exe	IEXPLORE.EXE
PID 2056 wrote to memory of 2500	2056	iexplore.exe	IEXPLORE.EXE

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://ci6.googleusercontent.com/proxy/C3MBuHyWVeFPU-_nu5boEJbpf8hZyywcz4mxsuDlxbBJmZ9HCBsy8W84IR4LCMtuqzcb0mQ3BhpBa5yy6buOkMrFjo9ozfOE3wJfDw5F50bS1g=s0-d-e1-ft#https://eu.docusign.net/member/Images/email/docInvite-white.png
1⤵
- Modifies Internet Explorer Phishing Filter
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2056

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2056 CREDAT:275457 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2500

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\Content\3C428B1A3E5F57D887EC4B864FAC5DCC
Filesize
914B

MD5
e4a68ac854ac5242460afd72481b2a44

SHA1
df3c24f9bfd666761b268073fe06d1cc8d4f82a4

SHA256
cb3ccbb76031e5e0138f8dd39a23f9de47ffc35e43c1144cea27d46a5ab1cb5f

SHA512
5622207e1ba285f172756f6019af92ac808ed63286e24dfecc1e79873fb5d140f1ceb7133f2476e89a5f75f711f9813a9fbb8fd5287f64adfdcc53b864f9bdc5

Download Submit
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\3C428B1A3E5F57D887EC4B864FAC5DCC
Filesize
252B

MD5
8fa7baad3eb728a135fd8017a2d2ef7c

SHA1
db8a261d188f85ccc2136bc2901a10c0785e2eac

SHA256
03fa176c41aa64a3f1cf2ff038ddbccca47641817bbd907956476c5d33582755

SHA512
7abdab7d3279b0eccd9c90edd7ba4d1d591766fab37c53e6e4ab1ba28c16d99be7703d4437c8200aa0e8c152652fd3c66b0254344859ec4c28e9a386ec28e4a9

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
49f6ec19b2e0a897c3497b025b8f514b

SHA1
f41561e896398cb102e55495707523ccc15e2db2

SHA256
d05394adce5e95d689dbebe547b20609cf392588109771a729c4d398d20fe92b

SHA512
5125c53c03cc3546caed21449066e63a27617a92491c26b3850b7c5f13be5409003f1497df4898ac858a4d21adf06b97b74ddd5625ded6bd434ec7a5b18c4707

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
dae659689f2fe50104e85a94943d4359

SHA1
1ed6e4a518dc2d92a5b53f4cff794a1c66d97ee5

SHA256
c53d307a51b892537f7aa61db5028d2badebc555c0d26fac62607064c927f4c8

SHA512
3142ce71f40c11f30b7e7c53bd0ec6e6f3d80f6f16f6d35e018f9b401b5be6c7fe53a1e39a788a1beb9f7ed1e00ad18ae9adcdeca4a02b0504c3cb6945901a10

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
d331cb1356da1602dd8fea38b83b977d

SHA1
0d3c4c201ab42381c7f633d1773166f9e2b0fff8

SHA256
8ea9ddb7ed778b3f25c7160acbe0a650202c307052381878ed0c88282c6e576a

SHA512
54f9ad9b1f431625603cc67653cdbefa77996c37317bfad32aeee0291749df24b95c642b0a85c6538b304e60fe9a38c4863c629f8d4ad8507431c15fb51b182c

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
c2736fa761af1cb395bccbd0cb187ecc

SHA1
a6a6c59da408a82042260a8c3f5da81bc9b5fd5a

SHA256
47a4a8ac25217d1aceeb55c4e4600d41a2a066896d60c3d43ac85eb05c44a36c

SHA512
dea285ad83a0d6f361881f30303dd297e67c5074dbece42be36785f7bfd43e3c98bb8f86a6d66c9cbda2c13afed5bd4a539dd3ade88d3c6a765e58bc36d805d8

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
d36c0f6769bf0554cfd5cfce10f9729c

SHA1
6637a69c4900a5f67b91757c9924e737217e9976

SHA256
50908b0aa86dcd93b77d387ae24f97b16cd388022e49cc02a53b1cea74578413

SHA512
d22f58871cfdbf84f235853e091bb13dc3b3f73459fee3bd0f5616b8e19fb99a3e59ffaec04007223ca5ff94662813436c414ea3a00769de5a53ebad35a93d73

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
f0d34b643e456512af154372571f8dfe

SHA1
324b3d112ad567b27c8f81f066c57074286c5d1b

SHA256
c5590161f010fdb2a19a34aa70229e353fdaca7254c3cba04935cf4f7b4bc486

SHA512
7c8b41fcf7375e674ff75b69c4b29049f8f63b13d6c3d0d62b0fe7e40c25660545e6ea9843d175525d9ba8262dc696ef2b1cdf281288d6b514fe365de008f99d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
1010021d9aa71ab4dab5f19f9640c2dd

SHA1
8c2748b8d3654fbd33d794d6f83033b8459af0df

SHA256
bafb1696ca351780239143eff31cd0393ec603d6732996b8369d44cfa6b4a877

SHA512
cfe5cbdf4baa62a26b2166720ab0945e4d512e17407f46c53518681eb27752a0b690803e549d89d55f0822a946f09a11394af8ff272e4bebc69292f8181db737

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

MD5
30e1b09376c2c66517a43c3f3ecf8594

SHA1
bab5017f91c4b2ba16c5300a39b656faab6596d6

SHA256
249eda70c701105225787d2aac0c2d4e96f1b94f4431ad3a91c119346bcfc80f

SHA512
9487d8fa32e470cf4bb392a552df5809a53a2464610e9be4841868af712fda71c9662932620d22f34b074730bba14d43b30c9f44a573ca021717823af2a0387d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab2FA8.tmp
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar2FBB.tmp
Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit