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Analysis
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max time kernel
119s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23/11/2022, 18:13
Static task
static1
Behavioral task
behavioral1
Sample
4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe
Resource
win10v2004-20220812-en
General
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Target
4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe
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Size
349KB
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MD5
349eec488fb1bac558c6df35a8b9f4f6
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SHA1
c905d5735a43afbb3ca47e47e7627ed3878f7ce7
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SHA256
4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37
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SHA512
0dd96ed854a2fd4d4397dd59c9b595a1aca339883052dc8bb8c85b5fd86f25ae4074a26de1e951047119aa390373835daae038f3860b343a3ef7993b6f726b8c
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SSDEEP
6144:ye34zV2nu/EJXAF8u1qBhGNy4909VezjiGF+nh9CUZLcb+FL79k:snEJXs1q2N1906jidGUZLcb+Fn9k
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2036 installstat.exe -
Loads dropped DLL 4 IoCs
pid Process 1752 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe 1752 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe 1752 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe 2036 installstat.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files (x86)\EditPlus\kk50.icw 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process 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\Main IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000dae6442766ab26469fd73429f414d87300000000020000000000106600000001000020000000f177bfb99958e6c142312dc5ce8f0a09f9a59c690a7858c89b663b5ec8a9b0f3000000000e8000000002000020000000d1fd26bcc2bb4174f2239987b26d37f00ff890c2215ea3fd75fe769bb00ac04420000000a709cf5b100ec011edc49ba9002ac1cf30df16c78161d56fa536b73c28f0c8264000000012f040c6b525bfa86047ce117fbe0f4e24236e7d774a3011c57e895577e0119da8e3357849145e6e1abaac49f538dbf4987fbefeee8b895b832fa8af7edb4c61 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\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" 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\TabbedBrowsing\NewTabPage 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\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom 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 Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{B44E4481-6B74-11ED-B68C-6A6CB2F85B9F} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery 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\DomainSuggestion\FileNames\ 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\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376003426" iexplore.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\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = a09f629d81ffd801 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion 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\TabbedBrowsing iexplore.exe -
Modifies registry class 10 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\ScriptEngine 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell\Open 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell\Open\ = "´ò¿ª(&O)" 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell\Open\Command 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell\Open\Command\ = "%SystemRoot%\\SysWow64\\WScript.exe \"%1\" %*" 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.icw 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.icw\ = "icwfile" 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\ScriptEngine\ = "VBScript" 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeRestorePrivilege 1752 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe Token: SeBackupPrivilege 1752 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 760 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 760 iexplore.exe 760 iexplore.exe 1804 IEXPLORE.EXE 1804 IEXPLORE.EXE 1804 IEXPLORE.EXE 1804 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 1752 wrote to memory of 1712 1752 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe 28 PID 1752 wrote to memory of 1712 1752 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe 28 PID 1752 wrote to memory of 1712 1752 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe 28 PID 1752 wrote to memory of 1712 1752 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe 28 PID 1752 wrote to memory of 1712 1752 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe 28 PID 1752 wrote to memory of 1712 1752 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe 28 PID 1752 wrote to memory of 1712 1752 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe 28 PID 1712 wrote to memory of 316 1712 cscript.exe 30 PID 1712 wrote to memory of 316 1712 cscript.exe 30 PID 1712 wrote to memory of 316 1712 cscript.exe 30 PID 1712 wrote to memory of 316 1712 cscript.exe 30 PID 1712 wrote to memory of 316 1712 cscript.exe 30 PID 1712 wrote to memory of 316 1712 cscript.exe 30 PID 1712 wrote to memory of 316 1712 cscript.exe 30 PID 1752 wrote to memory of 2036 1752 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe 33 PID 1752 wrote to memory of 2036 1752 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe 33 PID 1752 wrote to memory of 2036 1752 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe 33 PID 1752 wrote to memory of 2036 1752 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe 33 PID 1752 wrote to memory of 2036 1752 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe 33 PID 1752 wrote to memory of 2036 1752 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe 33 PID 1752 wrote to memory of 2036 1752 4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe 33 PID 760 wrote to memory of 1804 760 iexplore.exe 34 PID 760 wrote to memory of 1804 760 iexplore.exe 34 PID 760 wrote to memory of 1804 760 iexplore.exe 34 PID 760 wrote to memory of 1804 760 iexplore.exe 34 PID 760 wrote to memory of 1804 760 iexplore.exe 34 PID 760 wrote to memory of 1804 760 iexplore.exe 34 PID 760 wrote to memory of 1804 760 iexplore.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe"C:\Users\Admin\AppData\Local\Temp\4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Windows\SysWOW64\cscript.exe"C:\Windows\system32\cscript.exe" "C:\Program Files (x86)\EditPlus\kk50.icw"2⤵
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Windows\SysWow64\WScript.exe"C:\Windows\SysWow64\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\kk50.icw"3⤵PID:316
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\installstat.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\installstat.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2036
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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:760 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:760 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1804
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
132B
MD5adcb98ee80f8c7e954c4bc84c68a0534
SHA10717f8420743237a526dd725615291a05caa232a
SHA2565661ac1fdb1e4132c14275b39919ad6a24a30430dfe510a3187ef2fa955ab3f3
SHA512fbb779e484c466f1125169e81cccfff14b05eeb414c642f023a19ead13ed3fffc8c02282bd72d33790f60ecb2ebee0b9e7c5b186461ac4a603f2003e56873351
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Filesize
608B
MD5976a281eb26f839af29af732a25faa88
SHA144c1c025a81a76f5f2dd019f2280894ef8e33657
SHA2566161278eb030be01a81c4751f76c0dc2ca2410a81a316a0037904b4f0c34a829
SHA5129da69cd5a45be4194f039b21b372555cdc4e92a9758a9a249813aebd8e900898db96e2fd89b7dedcc9a3348b0fa9060ef731e3f91f506b76e0baa2bb8e968790
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Filesize
44KB
MD57c30927884213f4fe91bbe90b591b762
SHA165693828963f6b6a5cbea4c9e595e06f85490f6f
SHA2569032757cabb19a10e97e158810f885a015f3dcd5ba3da44c795d999ea90f8994
SHA5128aadb5fd3750ab0c036c7b8d2c775e42688265b00fe75b43a6addaefc7ee20d9fa3f074dd7943570c8519943011eda08216e90551b6d6a782b9ed5ce20aa6bab
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Filesize
843B
MD5f838c572c92a8b7fadf30fe9f8e71169
SHA16eabfed65e6c53fbdf34dc35e421bd7a9a461298
SHA256f5d399cac94b6c716d4aff13ea35c6b3aed0164b09b5192ab14bda1e7975c51d
SHA5127234e4de346fa560f79533cb6b2cd0f6198272b1d7e5e7672a6f83e1d36f6742ac6eb8ac5256c8da5088817df0ea422f5fdaf3f6734ca552f5bb9c628ba7d2c2
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Filesize
80KB
MD5271d838f235c3d77964909b79e05cc3d
SHA1e88316549fcbe9c4b4cec8001b63f439884974b9
SHA2561919f130b200be8591051f325137fe0a976295c73f325853ca8167c7da53717e
SHA5121a361ad7c4d9fe217a4fe9ae3056c09a2769941a1377cb91c414453c7cc0d54bc729fae3648c3369d619e86a2c2a2143894726fba657821dca482b8bf7a75419
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Filesize
11KB
MD5c17103ae9072a06da581dec998343fc1
SHA1b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
SHA256dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
SHA512d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
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Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
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Filesize
44KB
MD57c30927884213f4fe91bbe90b591b762
SHA165693828963f6b6a5cbea4c9e595e06f85490f6f
SHA2569032757cabb19a10e97e158810f885a015f3dcd5ba3da44c795d999ea90f8994
SHA5128aadb5fd3750ab0c036c7b8d2c775e42688265b00fe75b43a6addaefc7ee20d9fa3f074dd7943570c8519943011eda08216e90551b6d6a782b9ed5ce20aa6bab
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Filesize
80KB
MD5271d838f235c3d77964909b79e05cc3d
SHA1e88316549fcbe9c4b4cec8001b63f439884974b9
SHA2561919f130b200be8591051f325137fe0a976295c73f325853ca8167c7da53717e
SHA5121a361ad7c4d9fe217a4fe9ae3056c09a2769941a1377cb91c414453c7cc0d54bc729fae3648c3369d619e86a2c2a2143894726fba657821dca482b8bf7a75419