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Analysis
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max time kernel
153s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03/12/2022, 03:50
Static task
static1
Behavioral task
behavioral1
Sample
db3b7adfcede8ae8e5819e565b718ab5c9fd0d4446713da53cf21bd8977eee3c.dll
Resource
win7-20220901-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
db3b7adfcede8ae8e5819e565b718ab5c9fd0d4446713da53cf21bd8977eee3c.dll
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
db3b7adfcede8ae8e5819e565b718ab5c9fd0d4446713da53cf21bd8977eee3c.dll
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Size
167KB
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MD5
bed9949fb26ab7de2c6d6166ec021122
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SHA1
c7cd86850cf2e8edff39363890825d1260a3a27e
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SHA256
db3b7adfcede8ae8e5819e565b718ab5c9fd0d4446713da53cf21bd8977eee3c
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SHA512
7fddf9de5f9aadcb04d2c543d9c587883dc02729b0e17dd597350efef0cbd7b826d6d8e1079a880d81beadf43140ada178b48ce409cfe42c79f934720d9bcf71
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SSDEEP
3072:SHogy7ibpASrDSOrjygB7SZEoWoL8LRsvUC:veaaDL7JRLRsvUC
Score
8/10
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2260 lsass.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File created C:\PROGRA~3\lsass.exe rundll32.exe File created C:\PROGRA~3\c3eee7798db12fc35ad3176444d0df9c5ba817b565e9185e8ea8edecfda7b3bd.pad lsass.exe File opened for modification C:\PROGRA~3\c3eee7798db12fc35ad3176444d0df9c5ba817b565e9185e8ea8edecfda7b3bd.pad lsass.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies Internet Explorer Protected Mode 1 TTPs 5 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" lsass.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\2500 = "3" lsass.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" lsass.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" lsass.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" lsass.exe -
Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" lsass.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1615790140" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31000867" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main lsass.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{9431C329-7516-11ED-B696-5ECC372795C7} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1615790140" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31000867" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe 2260 lsass.exe -
Suspicious use of FindShellTrayWindow 8 IoCs
pid Process 4660 iexplore.exe 4660 iexplore.exe 4660 iexplore.exe 4660 iexplore.exe 4660 iexplore.exe 4660 iexplore.exe 4660 iexplore.exe 4660 iexplore.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4660 iexplore.exe 4660 iexplore.exe 2316 IEXPLORE.EXE 2316 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3408 wrote to memory of 3368 3408 rundll32.exe 79 PID 3408 wrote to memory of 3368 3408 rundll32.exe 79 PID 3408 wrote to memory of 3368 3408 rundll32.exe 79 PID 3368 wrote to memory of 2260 3368 rundll32.exe 80 PID 3368 wrote to memory of 2260 3368 rundll32.exe 80 PID 3368 wrote to memory of 2260 3368 rundll32.exe 80 PID 2260 wrote to memory of 4660 2260 lsass.exe 83 PID 2260 wrote to memory of 4660 2260 lsass.exe 83 PID 2260 wrote to memory of 4660 2260 lsass.exe 83 PID 4660 wrote to memory of 2316 4660 iexplore.exe 84 PID 4660 wrote to memory of 2316 4660 iexplore.exe 84 PID 4660 wrote to memory of 2316 4660 iexplore.exe 84
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\db3b7adfcede8ae8e5819e565b718ab5c9fd0d4446713da53cf21bd8977eee3c.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3408 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\db3b7adfcede8ae8e5819e565b718ab5c9fd0d4446713da53cf21bd8977eee3c.dll,#12⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3368 -
C:\PROGRA~3\lsass.exeC:\PROGRA~3\lsass.exe C:\Users\Admin\AppData\Local\Temp\db3b7adfcede8ae8e5819e565b718ab5c9fd0d4446713da53cf21bd8977eee3c.dll,GOF13⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2260 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4660 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4660 CREDAT:17410 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2316
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641