c5a695103bfea2f1fd6abe65764819572d95fe43d62f2f1d3d95182da1e5132f

Resubmissions

06/07/2023, 18:37

230706-w9zvwadg55 1

06/07/2023, 18:23

230706-w1la5aeg9y 1

Analysis

max time kernel
143s
max time network
137s
platform
windows7_x64
resource
win7-20230705-en
resource tags

arch:x64arch:x86image:win7-20230705-enlocale:en-usos:windows7-x64system
submitted
06/07/2023, 18:23

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General

Target

Untitled attachment 00004.htm
Size

2KB
MD5

54bb99cc5c1f71170185d332a2abc2c1
SHA1

20f25d1f61320b1c7058611e8c569874c84c23e2
SHA256

c5a695103bfea2f1fd6abe65764819572d95fe43d62f2f1d3d95182da1e5132f
SHA512

b39614041966586adfdc174cb4da92051aa7f1c5965fe6df81f816deb9668f387536e08ea361023e7a9d4b9d5629009f0b1dd5775bf5356a6291cc1f61efc011

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 40 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "395432780"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000eb4bce00ffaaaf46b42b39f311b0211a00000000020000000000106600000001000020000000214d678a4d5ac1da08c7f7953b5a666efc7361c7359867fde19ad079505f334d000000000e8000000002000020000000757aa891240441cf9b2f95aa5327fa148768ea372cff71a10103be43b67c3e1d20000000a1d6881c21fdb734666fb7cd50abfdebad9f5738cef304ab56060c7541517b74400000006f95ce93709580ca49817bbfc7330a638fa2c1312c8a94e19b5c33d718d4fe71f153985409c62cbf65f8710a2fb7233ec001fa762cb620f648f15fb27e8de12f	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{3261F9F1-1C2A-11EE-80E3-52908F045004} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80af390b37b0d901	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3012	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3012	iexplore.exe
3012	iexplore.exe
2124	IEXPLORE.EXE
2124	IEXPLORE.EXE
2124	IEXPLORE.EXE
2124	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2124	3012	iexplore.exe	27
PID 3012 wrote to memory of 2124	3012	iexplore.exe	27
PID 3012 wrote to memory of 2124	3012	iexplore.exe	27
PID 3012 wrote to memory of 2124	3012	iexplore.exe	27

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" "C:\Users\Admin\AppData\Local\Temp\Untitled attachment 00004.htm"
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3012 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2124

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
5053f9685b4f69122330c9594d28e286

SHA1
2512f7cef168a1109ff9bff5bb00c8c8ac48e5ed

SHA256
a701ec66d3ad17f13bd6991e16605eb54a7541949c95878f1dba6f1c20e215e4

SHA512
995b14dfe32641c2662010ed3d5d61d0e142f67db77d332ae1bb310d888aa8de28a5d58413259ae2e13e8723acebe091efbc4ce218f560f732a8b864ff3f8220

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

Filesize
344B

MD5
6ee975f36c023a9e5ae2e16ca5f695dc

SHA1
288fd208fccdd4c008c064701eb776003163df99

SHA256
79b45583570eab0b0421d543165b792107b1537f469347cb2134c349cfbf42d1

SHA512
672a94743020ff22e4c9ef95a969c8151cf8be566bb9587ae252e4553da5afb428e352e89922aeb3fbaf0f7bc1a5d07d249dfa56f5379fef6fd0a92c0adadb14

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

Filesize
344B

MD5
86cce08e8764fced91455776c3541eea

SHA1
ed989db893813e29fe8dd7776b04383aa55d2151

SHA256
2937896e804ae4c386b00812676e5a20a8f7ce6b2bdc68679d24b6791061a98f

SHA512
13db3eed162f1757d83f69b16177c4af185e94627405a75cde2c8ccf009611b682c9f95952c05837ccbf3d3c15bfc467640b3a3800f9d02d7e29c83534770bd0

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

Filesize
344B

MD5
69a90c285c9b0cb9829c0ca735413403

SHA1
f186a2a7b0994f618d6e13227e1d37e6db1abdf8

SHA256
080c777c0c2503982f8ec92ea23b263e6c350bf8cb34119820d8582b6427c387

SHA512
a66c399ff147836c98c814a12945be93aa08a269f4aa3f44c55cc4e1b0b947be800ebb84f84c78e66b16485d14424b7d31dc5ad1a005f5e8b756036e0cb8d1a6

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

Filesize
344B

MD5
5d4bcc71b363febaa121f8f6f46cf678

SHA1
532161e81944469ba9476cee9567ca852b7da3aa

SHA256
535e75ec558ab245a4e36f8aaadc8d584fd0dd6921d909c2928df53ae7a7155d

SHA512
a2f64c1361f4365f49bb49e32ac60d007b0beac192fb1b53679089dc46e6ab57fbbaf99c39a7b277f78151982748063b2b4aa03719581a6642faa6e952e33375

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

Filesize
344B

MD5
3e22e7a778fc4430c22b00b56b429660

SHA1
bcf313e738e39930d85d5515d575bb271b02046b

SHA256
57fe55b36c498caab0ce2c76889f3b6cd6a5360fe5b1fda6cbc43097d40775d7

SHA512
8ba4509ef1202996e76ff129bfd1f5b28495aa8dc57d7614690f05ae49a394c5b6b9f18a454d402b41e9aa93534e6d6e5a155867e83ae3ac33b9966ae365d591

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\5I9HDCK2\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabAFA1.tmp

Filesize
62KB

MD5
3ac860860707baaf32469fa7cc7c0192

SHA1
c33c2acdaba0e6fa41fd2f00f186804722477639

SHA256
d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

SHA512
d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarB015.tmp

Filesize
164KB

MD5
4ff65ad929cd9a367680e0e5b1c08166

SHA1
c0af0d4396bd1f15c45f39d3b849ba444233b3a2

SHA256
c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

SHA512
f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\3VLKHHGO.txt

Filesize
601B

MD5
ba2995ba88fc4781691aae54f12a4f2f

SHA1
e7743940791dc40a4db216468943defaac90585c

SHA256
f762cfeddf12f3bb6aee5f160672dec340a6790b86d0107222dcbdee952ec9f2

SHA512
b86b8da2fa01ce3cf37a8ca6d5563ddcafb333164d9371819e39cbab963125787e36eea076fa26f3fd0659455bad69f57da37d131757c00ca8136b4eabbe60b3

Download Submit