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Analysis
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max time kernel
152s -
max time network
156s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
19/09/2022, 15:35
Static task
static1
Behavioral task
behavioral1
Sample
33e41c9553f7f25de5b37f03c20e33a2d20465a07653ded2061fdb77607131f7.dll
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
33e41c9553f7f25de5b37f03c20e33a2d20465a07653ded2061fdb77607131f7.dll
Resource
win10v2004-20220812-en
General
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Target
33e41c9553f7f25de5b37f03c20e33a2d20465a07653ded2061fdb77607131f7.dll
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Size
200KB
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MD5
52aa10dee472357f557e80233c934493
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SHA1
52defda0020931021e5a7543af5ca5405c19341b
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SHA256
33e41c9553f7f25de5b37f03c20e33a2d20465a07653ded2061fdb77607131f7
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SHA512
a155c8f50a3ed087b777a7bb22c4021b264d03dc3bd747571cee9086996c65c7b235539cbdddfad388875d044468e16b8a0fd7b757378b4a930f8c60e42becea
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SSDEEP
6144:X1kmVe2cbY+idfSIfNuLP8qt0mtdHLhkDD:X1kmVJck+idfSIfMLEqGedKD
Malware Config
Signatures
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Disables Task Manager via registry modification
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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 15 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\2500 = "3" rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\2500 = "3" notepad.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" notepad.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" notepad.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\2500 = "3" notepad.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" notepad.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" notepad.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" notepad.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" notepad.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" notepad.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" notepad.exe -
Modifies Internet Explorer Protected Mode Banner 1 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" notepad.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" notepad.exe -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{9C2E10D1-3882-11ED-979E-6A94EDCEDC7A} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1" explorer.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main notepad.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "370401897" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main notepad.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000062e6ef0d45f4454ab79548c962d74cdf00000000020000000000106600000001000020000000d563b1f548461af2ecba155bc13440fcb0739e1e2f1ff2cd216ab4a0ccaea855000000000e8000000002000020000000ed9c4e835ddac8c8108237753824273a626e41ba5e3af5c194723c2b4f7aa76220000000e0afb3ad31b29ec79e546b1516fbada8b96529a7bdfbf7ba8d7d4572d04e477b40000000a1c6875f1669f5f1b7800ac8607e768776400f60afa14b45270206098251fdf334e8e0ed1e532f24d016a2f7ef40e3613be596b0261c9bac7c9a83afcd216796 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 20f784aa8fccd801 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1956 rundll32.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1248 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1956 rundll32.exe 1956 rundll32.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe 1736 notepad.exe -
Suspicious use of FindShellTrayWindow 13 IoCs
pid Process 776 iexplore.exe 776 iexplore.exe 776 iexplore.exe 776 iexplore.exe 776 iexplore.exe 776 iexplore.exe 776 iexplore.exe 776 iexplore.exe 284 ctfmon.exe 776 iexplore.exe 776 iexplore.exe 284 ctfmon.exe 284 ctfmon.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 776 iexplore.exe 776 iexplore.exe 580 IEXPLORE.EXE 580 IEXPLORE.EXE 580 IEXPLORE.EXE 580 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 29 IoCs
description pid Process procid_target PID 780 wrote to memory of 1956 780 rundll32.exe 28 PID 780 wrote to memory of 1956 780 rundll32.exe 28 PID 780 wrote to memory of 1956 780 rundll32.exe 28 PID 780 wrote to memory of 1956 780 rundll32.exe 28 PID 780 wrote to memory of 1956 780 rundll32.exe 28 PID 780 wrote to memory of 1956 780 rundll32.exe 28 PID 780 wrote to memory of 1956 780 rundll32.exe 28 PID 1956 wrote to memory of 1568 1956 rundll32.exe 29 PID 1956 wrote to memory of 1568 1956 rundll32.exe 29 PID 1956 wrote to memory of 1568 1956 rundll32.exe 29 PID 1956 wrote to memory of 1568 1956 rundll32.exe 29 PID 1956 wrote to memory of 1736 1956 rundll32.exe 30 PID 1956 wrote to memory of 1736 1956 rundll32.exe 30 PID 1956 wrote to memory of 1736 1956 rundll32.exe 30 PID 1956 wrote to memory of 1736 1956 rundll32.exe 30 PID 856 wrote to memory of 284 856 explorer.exe 32 PID 856 wrote to memory of 284 856 explorer.exe 32 PID 856 wrote to memory of 284 856 explorer.exe 32 PID 1956 wrote to memory of 1736 1956 rundll32.exe 30 PID 776 wrote to memory of 580 776 iexplore.exe 35 PID 776 wrote to memory of 580 776 iexplore.exe 35 PID 776 wrote to memory of 580 776 iexplore.exe 35 PID 776 wrote to memory of 580 776 iexplore.exe 35 PID 1956 wrote to memory of 1248 1956 rundll32.exe 36 PID 1956 wrote to memory of 1248 1956 rundll32.exe 36 PID 1956 wrote to memory of 1248 1956 rundll32.exe 36 PID 1956 wrote to memory of 1248 1956 rundll32.exe 36 PID 1956 wrote to memory of 1248 1956 rundll32.exe 36 PID 1956 wrote to memory of 776 1956 rundll32.exe 33
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\33e41c9553f7f25de5b37f03c20e33a2d20465a07653ded2061fdb77607131f7.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:780 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\33e41c9553f7f25de5b37f03c20e33a2d20465a07653ded2061fdb77607131f7.dll,#12⤵
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Windows\SysWOW64\explorer.exeexplorer.exe3⤵PID:1568
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C:\Windows\SysWOW64\notepad.exenotepad.exe3⤵
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
PID:1736
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C:\Windows\SysWOW64\notepad.exenotepad.exe3⤵
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
PID:1248
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{682159d9-c321-47ca-b3f1-30e36b2ec8b9} -Embedding1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:856 -
C:\Windows\system32\ctfmon.exectfmon.exe2⤵
- Suspicious use of FindShellTrayWindow
PID:284
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:776 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:776 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:580
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
608B
MD55e1b5784af91033c8aca099516b92177
SHA1301a7d8cfaf4a532153efa598b01750112faebd5
SHA2569af86fde05364abd7b846a8f8f0f139bf41802f31e6f76f68ed0fb53b7aec17b
SHA512ceb1c00f0a8f70fdcfd485d5b32fa4416d623e90972f50e2341edaef560baf62b330932be0f7b6b77a46ad6ea71edf4686352d041b248caeb3fa36b657b02584