543083c0ce812653409f437b7c653de09338681e5de01b9889cdb2457a557bd5

Analysis

max time kernel
133s
max time network
138s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
02/05/2023, 17:26

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General

Target

NFe-XML72773657.htm
Size

592B
MD5

9bbebf4e94f091a60c248121be37cd2e
SHA1

a7918ed7d0c6d85241716092167c78b397eb5cb5
SHA256

543083c0ce812653409f437b7c653de09338681e5de01b9889cdb2457a557bd5
SHA512

e709c7605c6ab7f5dcc0bca628176610ec227b735b0e53cee047bf17977baaf48871ed0303f05535ea58c6af5ca9b5e627f2b7ec1d456da05e35d08579900b81

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{38CB77F1-E91F-11ED-AC43-E6255E64A624} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000dbb59ddc676e394a83d3f942d26f43ca00000000020000000000106600000001000020000000910e457c8bca57726684cd65163770bc59ffb6cba76b4d4de240ee23adcde1b7000000000e8000000002000020000000efb61ec6b2b805cac097e4bb9e09fa88ccbbdb075e11a2158902b8ecf707c6872000000084bd654139e84444b69167acbd9bd4f02a131d6fcf57547780f8ca69e87a264940000000fd673777299f8d01259d568ebc6861fbe4079ae612a0c10e5bf6bf02bfe7ceffbd13a87e5dacf174e424ff6494f5ea25445c31e8c11d8e9782c7305eb2bd3300	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "389820558"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 4095d70f2c7dd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1760	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1760	iexplore.exe
1760	iexplore.exe
268	IEXPLORE.EXE
268	IEXPLORE.EXE
268	IEXPLORE.EXE
268	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 268	1760	iexplore.exe	29
PID 1760 wrote to memory of 268	1760	iexplore.exe	29
PID 1760 wrote to memory of 268	1760	iexplore.exe	29
PID 1760 wrote to memory of 268	1760	iexplore.exe	29

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\NFe-XML72773657.htm
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1760 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:268

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:1964

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\Content\94308059B57B3142E455B38A6EB92015

Filesize
62KB

MD5
3ac860860707baaf32469fa7cc7c0192

SHA1
c33c2acdaba0e6fa41fd2f00f186804722477639

SHA256
d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

SHA512
d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

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

Filesize
344B

MD5
8377e4a4d4080367867ab2da1e7a6a0d

SHA1
8865fa077ae99c501a7ad5620df790d581fcc752

SHA256
07e098b10648d475f2696aa3ce39e7728758cd152238567c2da7d3779a532f3a

SHA512
8f681bdacd6e463eaed40088bb291bbde8276c65036e1f8a858af20ee937a702aec92a4b648c3890501a3e362b7a205683a5a2ca7bfd6348a7970d370f4ac937

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

Filesize
344B

MD5
586834c48c921e1c9cdd5491620c6d3b

SHA1
61fc121494fa876944bd5439e51098d179fa87f2

SHA256
9b72928fb8be9ed2f96b86c1948b183b16c4aeb9bedd62ad93ced5ad3f52d2fc

SHA512
642bc1ed85b82249c7c03a97d95d4c4bbb997585e00b0ab90bdb21bbf7e3dad0bdc9b81afbb8dbae2ce2ebb3edb9d228e4080e91c2b4e4041d3ca18fb2b3aca1

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

Filesize
344B

MD5
42316b5d33d5ddea85fa71f143a10460

SHA1
33932951d321f3d809d63e1becb10a938c45ae01

SHA256
2ef814b8d2acc74244d21b5459e8928058248eb31e1fdb44737f1c5e9e7f55b1

SHA512
84c5f0fa7f4d35368115185900fbe7462e4aa77b940894e57c56f776d6dbf27890051002cd8b74050a3ade49765189cf58ad1a3754d8dc74aaf1a944d7e2b53f

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

Filesize
344B

MD5
014214bc206de1aa152b3390497ba864

SHA1
dc64d2d2f4be3ccc7ff07d6f12c8ec0b377eed89

SHA256
7e3ecf301b0151842031c7197158338d0327c7ab47cb60bfa664ebf3ad388de6

SHA512
8c319bdc62f4eef54cc21f451ba23acf5d2784b6ef6fee6e9f1f90a70d933e64d806ee4603bb96a74a67224ed458fda34bba6e426daa66098ebfdd942c531f9a

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

Filesize
344B

MD5
6063a8f09ef0f162741fb0a64399daf3

SHA1
8c7253a0101b8b88ef3ac568618d40b059a82bb2

SHA256
b62f9a3c485f18d56f4e527b478a136c3a45c6ec1fc75653f310deccd0305921

SHA512
b582da4ae4dae7c61e5a7077b50be26e36d8e0bc3861f9b7b1d04e8000777609843c357b6c2a4f2e69aa3bfeaad0071f0bd0df8678f65a78ba02055c16e1c0d0

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

Filesize
344B

MD5
8b40ac05b73d8fca0eb64e64d1447ee4

SHA1
e70c5f0cb48d75cfb22ea1c559f9a3f3457f836b

SHA256
8701cd7967ae6f6209aa9caf5a540f002ffb9e6e4c67804de40fe28346178b90

SHA512
da5c13a90d55d06f1e34eba2dce68a99ca0f9120b42b1a2478240e1acbfcaafd1717e317b5359b6f18dfa749935dc20dcaa7e8a4c5dd0a414ab6f0fdb489cca1

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

Filesize
344B

MD5
e30c49e18eed2c393a906e6d63e31b86

SHA1
b5935bf2ccd85d9ed9f438e23d12ea0548b44a73

SHA256
12a28c7e388d4c4cd89f6a1b48dc9414259abbc9c531104623197c1981100dd1

SHA512
6a86d70d4f5a31ea6fe9c83da732599d00af50f0912a42b8ea370501165e82969ee8e3e1d52c3c42f481f45d2b461cc8615d1dc57f099de14ab5055fcec2d5a1

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

Filesize
344B

MD5
3ba9b559ac9f32745b1ac9f33b8dfaf8

SHA1
cedab3f97afc73fc57c09ea8ca8ef77799e446f8

SHA256
ad4326a763306dd9b9aa945594aaed6abf6bcb86130e8851a76cfd23757bbdf2

SHA512
075db893695c05c19b765946c9548d18481908233b64c1a5098d65da4c6a2bbda6e5a0a27ae12683d233578ad12cb34b6758c2ba8c0ba77fe66da1d27b2ab103

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\TF0W5LQL\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab4A0F.tmp

Filesize
61KB

MD5
fc4666cbca561e864e7fdf883a9e6661

SHA1
2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

SHA256
10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

SHA512
c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar4B5D.tmp

Filesize
164KB

MD5
4ff65ad929cd9a367680e0e5b1c08166

SHA1
c0af0d4396bd1f15c45f39d3b849ba444233b3a2

SHA256
c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

SHA512
f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\1GAJLHUZ.txt

Filesize
601B

MD5
312e60ebaa95f3baf1417cd020771679

SHA1
41b99a0feac72c9339da9a0d731e05a84e3d7a31

SHA256
03c072a9cd9c0b55f4b6f7bc85b63c626b26fb812b65e64534ea1c25d222b236

SHA512
ef6bce7d9beeca516cef6128d1f7bb6a7b81dae9aad1ec4f3e7a3841b01bf00974e2cc1269c937f2160cf911683f1734bd1f5715d0811f7a94065668345a2a54

Download Submit