c5a695103bfea2f1fd6abe65764819572d95fe43d62f2f1d3d95182da1e5132f

Resubmissions

06/07/2023, 18:37

230706-w9zvwadg55 1

06/07/2023, 18:23

230706-w1la5aeg9y 1

Analysis

max time kernel
100s
max time network
137s
platform
windows7_x64
resource
win7-20230703-en
resource tags

arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
submitted
06/07/2023, 18:37

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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 39 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 90412a1739b0d901	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000079aadbcc12564442a62aad76c0e1e2aa00000000020000000000106600000001000020000000f38dad877dec1f4b8261e835fa540ae819da6eccaf323ce5cb2890b5df71c68b000000000e80000000020000200000007c8f3e9cef02cc5314d10c58daf96b564dbbfa4ee913d9472ae08418ea33224c200000009df1e2d14f54cbc30cab913697cea12514b135a0355335ba5221557d4fcedac24000000078bac37cdef6887d01293ec3448848bbcedd9708355aaee07b86c4c42ef0609743360c754ad60e1c94dafb3c78b4962273cdf07243dc97b2805e95527c243ba0	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{3E44F771-1C2C-11EE-AE21-6A6389873578} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "395433659"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2424	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2424	iexplore.exe
2424	iexplore.exe
2376	IEXPLORE.EXE
2376	IEXPLORE.EXE
2376	IEXPLORE.EXE
2376	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 2376	2424	iexplore.exe	29
PID 2424 wrote to memory of 2376	2424	iexplore.exe	29
PID 2424 wrote to memory of 2376	2424	iexplore.exe	29
PID 2424 wrote to memory of 2376	2424	iexplore.exe	29

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:2424
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2424 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2376

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
162252be2be43128e467e924e03c632e

SHA1
60836654672f0bf855d9dcf696db121e6d74421a

SHA256
d1615b7bcaded645b4ab6bb9e220e71eb6bfa3d8700f49421a9453946b9b3f96

SHA512
3c8bf06b93d75cbd7b67666880643d21965c44261ab53ec8b8ec9e2e5ea81050834758839edc49b376eaf44d22568f5471be9c8718731dee6b38de0dcef73db5

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

Filesize
344B

MD5
00e36167bfbb8ddd83e81e417708dabf

SHA1
3b0945b3371b5e509a4069bf466e0da0269f4693

SHA256
e7f467aca0263c5c17fe93299fa1d591b1b20626073a0d5ea7102ed5c607611f

SHA512
c848f377dfbc98ebbe3c56d2f1ef48f6a57636fd027f01548cc5a57b36e063c209ee65abb1a90f7f714615a8683505f3e81a6e592a64fda75e8c85d5ded70c81

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

Filesize
344B

MD5
4aafd6e126831654a66090a2a27ac706

SHA1
36b22b77d50c4ffb7a4d89ec1a459d7217e4e988

SHA256
38de95b7f1fe10102aa210ddf583ba81d341290b8481a4d7ef61ee70daf1d517

SHA512
badf3ae8b5f2f6764979e20d39a84a7f2b5183878d89e51b4cbf74007fb10adfc80c7124c73ed5c0884d659c9e8caf05998efeccfa20e01d66247c23705e5a10

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

Filesize
344B

MD5
d4b76a156bed114b01e133fbdd49b46b

SHA1
d7a86d63f84b85515fd7affcf07d56577bed738e

SHA256
1c7d83a624d11bd37cb511432abf3170bbdf4e08726c6cf2a2943ee55678a148

SHA512
874a5238688d30321bb2fd24862abc7a9111abd070f2e92756ea9dd3d1c4bb8f8b14ad48874eddde98f734409716abd50e862b194cb08bbd1f035c9d08a3f369

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

Filesize
344B

MD5
eeba7405efd20ecd6e34dd0a352fe1b3

SHA1
9bb073d9ea38b461b962d50fea9e4bb70db1a5c1

SHA256
d454d98da892b70c4ea5003bcac6a31d143516f2581d8a9301c3e7a97f5131cd

SHA512
f0035d9e174f9d197f95a020e620206cf79aab832cd0e86f74f40084afe3fda4ddcef6286a9172eb5cd462b7d5b4153cf040194096d00b3764d318cc3ee0ca39

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

Filesize
344B

MD5
795bb54db0ac501418f64fa4331ad6d4

SHA1
30d08dc7ccff6d4d702457309b6dfd45a8569f5b

SHA256
7db8e59a54b2a3f4c217e1d662a53438c8e570bd9a206a46402f0f41148a21fa

SHA512
0865cc5b55b2d56f2cfd8b4f681898b0a828d6ef7046ff5a0cd4aa1b910d8fa20ef39d0fd2941e406b8d5373c0b537a25f5f628d2398d5538ad6b02ddbe99ed7

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

Filesize
344B

MD5
eb3df17ccdccc264b5f5852e84db1ae7

SHA1
6cc91f2901e0989a9907bb5385af2cf9f1b1aa4e

SHA256
52a65851cdec9eedbfba6ce9f6a47415caf0323199bf06829d6b721c45eafa05

SHA512
5cb5e7f30a7ad4a323ae84013553e17ec6c8b23f1bf269cda691ca8b463adef60ed079c578e960e2f7a9434b533091d5776a3bd145091824dec284c377b4bd1e

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

Filesize
344B

MD5
15576cb3472075267fc8e24dfb11dcaa

SHA1
8b35ab3ee79e0cd5cff3676ceeb56bf7a4818ff2

SHA256
2347dc3841d199bff1300bea0ffc2c214cb057df54090fd13c340ab0e419a6aa

SHA512
e9ff33d8cf06c4d0735ea4f0a0c40c00f7af6de4f53dcf871e76f87cb1a51c880e34df74e1cd6ac9cea02a26997732cbcc91353ca7a7253d3c988e7c6903dd13

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

Filesize
344B

MD5
3fd57d71843829e0c6bc2cde615d272c

SHA1
c42d86e2f72a149a3d86af3626713dd15157b38d

SHA256
d1bd400ee38b7eed7bfa97a7da5279df8c027115e35b358ccfc2dc29c861a38a

SHA512
10fb38ab7c61f18f1368c393e340e8f180dea075b793fed3edb10a7509ea27702a32114c8fdea890dd4d64fc9fc013076092173b5940e955693adce5dc15271d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\8DEHEN72\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab40D8.tmp

Filesize
62KB

MD5
3ac860860707baaf32469fa7cc7c0192

SHA1
c33c2acdaba0e6fa41fd2f00f186804722477639

SHA256
d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

SHA512
d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar4198.tmp

Filesize
164KB

MD5
4ff65ad929cd9a367680e0e5b1c08166

SHA1
c0af0d4396bd1f15c45f39d3b849ba444233b3a2

SHA256
c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

SHA512
f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\T32JBNOU.txt

Filesize
601B

MD5
1b7b54bc0bfa604c1fc8316f9485434d

SHA1
fd0e79567aec36ceb0be1da500cb5aceca8db734

SHA256
e56a8c79cb1ab0ad7e15697015847dad359bd0cb410da2393715bb32824227e0

SHA512
d83472fa77ffdfe1b5383d2be23e777a99fd6db25334066849dfae9d292f109cdc09e353a73617ca8f0778b5735b2b28673f8350dbc06cbc4524abee2887e8dc

Download Submit