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Analysis
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max time kernel
150s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-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 1300 lsass.exe -
Loads dropped DLL 2 IoCs
pid Process 840 rundll32.exe 1300 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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\2500 = "3" lsass.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" lsass.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" lsass.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" lsass.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" lsass.exe -
Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" lsass.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377058807" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main lsass.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{F113F111-750D-11ED-BBEB-FA28CBED7ACF} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe 1300 lsass.exe -
Suspicious use of FindShellTrayWindow 8 IoCs
pid Process 876 iexplore.exe 876 iexplore.exe 876 iexplore.exe 876 iexplore.exe 876 iexplore.exe 876 iexplore.exe 876 iexplore.exe 876 iexplore.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 876 iexplore.exe 876 iexplore.exe 988 IEXPLORE.EXE 988 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 1000 wrote to memory of 840 1000 rundll32.exe 27 PID 1000 wrote to memory of 840 1000 rundll32.exe 27 PID 1000 wrote to memory of 840 1000 rundll32.exe 27 PID 1000 wrote to memory of 840 1000 rundll32.exe 27 PID 1000 wrote to memory of 840 1000 rundll32.exe 27 PID 1000 wrote to memory of 840 1000 rundll32.exe 27 PID 1000 wrote to memory of 840 1000 rundll32.exe 27 PID 840 wrote to memory of 1300 840 rundll32.exe 28 PID 840 wrote to memory of 1300 840 rundll32.exe 28 PID 840 wrote to memory of 1300 840 rundll32.exe 28 PID 840 wrote to memory of 1300 840 rundll32.exe 28 PID 1300 wrote to memory of 876 1300 lsass.exe 29 PID 1300 wrote to memory of 876 1300 lsass.exe 29 PID 1300 wrote to memory of 876 1300 lsass.exe 29 PID 1300 wrote to memory of 876 1300 lsass.exe 29 PID 876 wrote to memory of 988 876 iexplore.exe 31 PID 876 wrote to memory of 988 876 iexplore.exe 31 PID 876 wrote to memory of 988 876 iexplore.exe 31 PID 876 wrote to memory of 988 876 iexplore.exe 31 PID 876 wrote to memory of 1836 876 iexplore.exe 32 PID 876 wrote to memory of 1836 876 iexplore.exe 32 PID 876 wrote to memory of 1836 876 iexplore.exe 32 PID 1300 wrote to memory of 876 1300 lsass.exe 29
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:1000 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\db3b7adfcede8ae8e5819e565b718ab5c9fd0d4446713da53cf21bd8977eee3c.dll,#12⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:840 -
C:\PROGRA~3\lsass.exeC:\PROGRA~3\lsass.exe C:\Users\Admin\AppData\Local\Temp\db3b7adfcede8ae8e5819e565b718ab5c9fd0d4446713da53cf21bd8977eee3c.dll,GOF13⤵
- Executes dropped EXE
- Loads dropped DLL
- 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:1300 -
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:876 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:876 CREDAT:275457 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:988
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C:\Windows\system32\ctfmon.exectfmon.exe5⤵PID:1836
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
608B
MD58d289fe5f13a781f95785afcb0e062e8
SHA173758546dc1a61d2f0d33d878d1673dae47671dc
SHA25603bdcbbbf40d75c0ec752982292215346c480394c1112f2ec0f458a4a486f031
SHA512e0302b86b702949252b214fdd9654d8a78072fb353f1587f90fb398f25539b391cce6f79eb9fc374d1fe4be4c3024fd4e8f9a538c7da3297fca6a14d4946aa41
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d