5d4f1abf1c284fc157c69be9b1e78014885fdd3d9b8980ec14bbbd70b94f8e69

Analysis

max time kernel
135s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
10-06-2023 23:11

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General

Target

GauntletSheet.xml
Size

17KB
MD5

7da87aefe93ab7767d2c407d385fad6f
SHA1

45d41cd3f26050a9bf2f76bd8c871c41fec37c2f
SHA256

ce6a487438e6335568de3cbd349decc1938203b81cd95ac073b38cab0e34bfe0
SHA512

2821ecfcec80ca64e6c2c40d60a1553ca1d2cf7af2667c88b3e6fed8e9521d3978a318b168761ec9a0c401f42b3deb74ecd7c7963ffc6956617b138e6ee547a8
SSDEEP

96:/y+EYk/N0q60Yk/N0qxcYk/NQ2FuPYk/NQ22baYktrYx5YktrYNCYkAPJjaRxYkQ:aq8RNvdnT

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "953731700"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 10e6d13df19bd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31038449"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 5018ba3df19bd901	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000ebeebf0d2de65f4094adb90bebd9dbc20000000002000000000010660000000100002000000008e7975ed2be4c9de96e48beae48f571fe16a1a67d7b6b2eea1c065c2fc32fed000000000e8000000002000020000000ef18adb78d0dd96977e680ee37c96e249dac88a91bb8ebc0eefbf1bde3826d7820000000fc0061dace99b355a4d1d7f62f4a3287d977e4c65ed0e9ce6715d87e27731a72400000001b35d17f9b14190d00d93d2a41736d9c353dc509bbc8e92cc52cef012f4803ecc44cbd6ca339d037bc5c28e7d19bab6bd0e070bebc723851b2e3635f89c867b1	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "953731700"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31038449"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000ebeebf0d2de65f4094adb90bebd9dbc200000000020000000000106600000001000020000000355aadba46c3cb614664461635d1edb57e1545a172ed9b1e039ec060bab295e2000000000e8000000002000020000000d1608305c1ec1f21816b535545e026fea7b79581c45f5eae29ef08d8562001702000000086521ebd25cf46ee32075b9b6e9836c5332c807d96a2cb544e3f021b31f7b9bb40000000fc7b058d6de7e90e81013f7e6a19f02cb81af2f41ed085280cc59e8fb4b88ee1fd109fb4e525b9cdbc83b4d5085c4a93a833e8753ea4d6c71b3c0aa9bd6adbae	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "965763327"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{62A59C05-07E4-11EE-B7D7-6A765FEA1DF2} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31038449"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "393203782"	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

4760 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4760 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

4760 iexplore.exe
4760 iexplore.exe
2348 IEXPLORE.EXE
2348 IEXPLORE.EXE
2348 IEXPLORE.EXE
2348 IEXPLORE.EXE

pid	process
4760	iexplore.exe

pid	process
4760	iexplore.exe

pid	process
4760	iexplore.exe
4760	iexplore.exe
2348	IEXPLORE.EXE
2348	IEXPLORE.EXE
2348	IEXPLORE.EXE
2348	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

MSOXMLED.EXEiexplore.exe

description	pid	process	target process
PID 3148 wrote to memory of 4760	3148	MSOXMLED.EXE	iexplore.exe
PID 3148 wrote to memory of 4760	3148	MSOXMLED.EXE	iexplore.exe
PID 4760 wrote to memory of 2348	4760	iexplore.exe	IEXPLORE.EXE
PID 4760 wrote to memory of 2348	4760	iexplore.exe	IEXPLORE.EXE
PID 4760 wrote to memory of 2348	4760	iexplore.exe	IEXPLORE.EXE

C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE
"C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE" /verb open "C:\Users\Admin\AppData\Local\Temp\GauntletSheet.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:3148

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\GauntletSheet.xml
2⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4760

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4760 CREDAT:17410 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2348

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
471B

MD5
f555af3f1b663a55df56040069b6097b

SHA1
ac566b3ec3882b349616e37dcce15f1470496361

SHA256
e9a0504f3aaee42e85baf24a611a6c237ba0de8c974cf2cb0b9f26913e445d5a

SHA512
8fca6bdd6356875a5e21d988cc809e6d062c1ee3271293f837968138fc4f302c5457707c4152a62b1ab8469c01c90d4dcde80bdbc210541ef12d151ff6edf1c2

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
404B

MD5
2296804a6fefe6e2b9e686136a6a206e

SHA1
9b86b262b395b5c56fb575f19ac1739547181e2c

SHA256
1cb68984b8f8d3d197f3f26645be816ac27488b7342e79a7bcd7cbc7f1a15bbb

SHA512
20bdd533509dd3bb8d11a951d9d234aeb347cddf6b698045db7ad3623bbe02fb40b4827bc5bd6858a027fe137a0c46be3be2e4c328911a79c56c8284c5271d1e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DKFP9JBL\suggestions[1].en-US
Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/3148-133-0x00007FFEC6A50000-0x00007FFEC6A60000-memory.dmp

Filesize
64KB

Download
memory/3148-134-0x00007FFEC6A50000-0x00007FFEC6A60000-memory.dmp

Filesize
64KB

Download
memory/3148-135-0x00007FFEC6A50000-0x00007FFEC6A60000-memory.dmp

Filesize
64KB

Download
memory/3148-136-0x00007FFEC6A50000-0x00007FFEC6A60000-memory.dmp

Filesize
64KB

Download
memory/3148-137-0x00007FFEC6A50000-0x00007FFEC6A60000-memory.dmp

Filesize
64KB

Download
memory/3148-138-0x00007FFEC6A50000-0x00007FFEC6A60000-memory.dmp

Filesize
64KB

Download
memory/3148-139-0x00007FFEC6A50000-0x00007FFEC6A60000-memory.dmp

Filesize
64KB

Download
memory/3148-140-0x00007FFEC6A50000-0x00007FFEC6A60000-memory.dmp

Filesize
64KB

Download
memory/3148-141-0x00007FFEC6A50000-0x00007FFEC6A60000-memory.dmp

Filesize
64KB

Download