Analysis
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max time kernel
119s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
11/10/2022, 02:06
Static task
static1
Behavioral task
behavioral1
Sample
ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe
Resource
win10v2004-20220901-en
General
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Target
ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe
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Size
349KB
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MD5
6be8b2d5ea2631168d1196302866472f
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SHA1
7105406c8c0b4fac9b03a46287100c28b219ae98
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SHA256
ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282
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SHA512
d27cd6b22b6102dacf560ba0065760ab20e5458f8574432e7862a7e7049c7fc3b376c1e0f3565a2ffadee8fb533a097c75a31a089ae9d7138c726efae015e2f6
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SSDEEP
6144:ye34AaUnu/EJXAF8u1qBhGNy4909VezjiGF+nh9CUZLcb+Fu:6XEJXs1q2N1906jidGUZLcb+Fu
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1568 installstat.exe -
Loads dropped DLL 4 IoCs
pid Process 1256 ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe 1256 ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe 1256 ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe 1568 installstat.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files (x86)\EditPlus\kk40.icw ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.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 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\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" 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\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{306BD0F1-4910-11ED-B7DD-7E0305A911F0} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c02cc50f1dddd801 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\LowRegistry iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000048ca5449a4d21846ba8a995ea0abd35a00000000020000000000106600000001000020000000ccfb5a0120516e5faed22231746ed6398ac3fad3aca0f9c3cc124a36421f374f000000000e800000000200002000000089a95be7d5fae50f4359c0079e10f567bfe986e4780143ade12207c16bc2b1bf200000000ac6b31092c8d2c2ad7140bdd618b1bfadb915a6bba6979a6f395bb6c9a581e240000000f891c1c4d1379bfb7993e014dee6e734dc7ff2dff4a271d7185f70159f024070c8a61a394892bbf03def72e5445cd00506022de81f1c308099c8162fc37efcbe 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\DomainSuggestion 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\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "372221915" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch 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\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000048ca5449a4d21846ba8a995ea0abd35a00000000020000000000106600000001000020000000717c4c16a88f898d1b07fdb61d0517197e23e76e5640117c3cfb4239babc9545000000000e8000000002000020000000833acea345b02026335ff675b93a2a29014e0f240f35151313d40e71041b29e7900000008a3b679a9c077052ff2f77beb20cfbb34d55b618321237cfde2b8e276b80321583efdac66ffae2bc286b6f1c5a4fda2d6eea1d66a1ff59ffb284288fc1e1377836d0423767809c18b7848c8a7ffc2b962072ab106cd92ae69d61f9e4fcc9193aa397a949c4e8efcd38ed056859408d9eee977ea975dd5f3e83717b265d9163298e9db6252f0b3c40b00854fa0676037640000000e413667ec781a796b031f035885680be8d83ee458ea681eafc7b4528fcb7b65ae5a79591954cae1c5ca85909ffde928d10321fdf15bd8a075d012da5c68dfbfa 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\Recovery\AdminActive 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\DomainSuggestion\FileNames 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\LowRegistry\DOMStorage 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 -
Modifies registry class 10 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.icw ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\ScriptEngine\ = "VBScript" ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell\Open\Command\ = "%SystemRoot%\\SysWow64\\WScript.exe \"%1\" %*" ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.icw\ = "icwfile" ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\ScriptEngine ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell\Open ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell\Open\ = "´ò¿ª(&O)" ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell\Open\Command ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeRestorePrivilege 1256 ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe Token: SeBackupPrivilege 1256 ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1716 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1716 iexplore.exe 1716 iexplore.exe 2044 IEXPLORE.EXE 2044 IEXPLORE.EXE 2044 IEXPLORE.EXE 2044 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 1256 wrote to memory of 1948 1256 ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe 26 PID 1256 wrote to memory of 1948 1256 ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe 26 PID 1256 wrote to memory of 1948 1256 ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe 26 PID 1256 wrote to memory of 1948 1256 ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe 26 PID 1256 wrote to memory of 1948 1256 ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe 26 PID 1256 wrote to memory of 1948 1256 ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe 26 PID 1256 wrote to memory of 1948 1256 ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe 26 PID 1948 wrote to memory of 472 1948 cscript.exe 28 PID 1948 wrote to memory of 472 1948 cscript.exe 28 PID 1948 wrote to memory of 472 1948 cscript.exe 28 PID 1948 wrote to memory of 472 1948 cscript.exe 28 PID 1948 wrote to memory of 472 1948 cscript.exe 28 PID 1948 wrote to memory of 472 1948 cscript.exe 28 PID 1948 wrote to memory of 472 1948 cscript.exe 28 PID 1716 wrote to memory of 2044 1716 iexplore.exe 31 PID 1716 wrote to memory of 2044 1716 iexplore.exe 31 PID 1716 wrote to memory of 2044 1716 iexplore.exe 31 PID 1716 wrote to memory of 2044 1716 iexplore.exe 31 PID 1716 wrote to memory of 2044 1716 iexplore.exe 31 PID 1716 wrote to memory of 2044 1716 iexplore.exe 31 PID 1716 wrote to memory of 2044 1716 iexplore.exe 31 PID 1256 wrote to memory of 1568 1256 ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe 32 PID 1256 wrote to memory of 1568 1256 ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe 32 PID 1256 wrote to memory of 1568 1256 ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe 32 PID 1256 wrote to memory of 1568 1256 ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe 32 PID 1256 wrote to memory of 1568 1256 ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe 32 PID 1256 wrote to memory of 1568 1256 ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe 32 PID 1256 wrote to memory of 1568 1256 ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe"C:\Users\Admin\AppData\Local\Temp\ec4f4b077bbab4be6121396c56829a5406d0e5ec4048efd1f9baf1cf8bda8282.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1256 -
C:\Windows\SysWOW64\cscript.exe"C:\Windows\system32\cscript.exe" "C:\Program Files (x86)\EditPlus\kk40.icw"2⤵
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Windows\SysWow64\WScript.exe"C:\Windows\SysWow64\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\kk40.icw"3⤵PID:472
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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:1568
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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:1716 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1716 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2044
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
132B
MD5f62db0666cbe4d83b345301bb70831c8
SHA1df53117593f1caecce75866f89aa0d1ae11bd191
SHA256ebcd22feb4f08fc9d3ebafa4e76e4f6e20d36d9b74e894b5530b1308a04c3659
SHA512f117bffe3a4a9187507b4cc22678f8e6bed2ed18594c6c64446501e5db231e090f531d82366431be52575afe3ac509f9a164d8b83cdba4fc6e05064138f915fe
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Filesize
603B
MD5d90852d297cade1f2cfcecaefe978163
SHA1eefa4cbcfdb3964376f89244ed97f58304c5e3ef
SHA2566e95cb9677c6894433645abf1b610b63576116c4c8dac6227b2e62550f54f7b1
SHA51277550b27bf44b9ae4f066e56f4ffc1e922c68e703740649ad41560eafe11723f0fb540faab3e04b947c9efa06f9e0b98ae6ea71d3bac8ac2c152903aa100b285
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Filesize
44KB
MD57c30927884213f4fe91bbe90b591b762
SHA165693828963f6b6a5cbea4c9e595e06f85490f6f
SHA2569032757cabb19a10e97e158810f885a015f3dcd5ba3da44c795d999ea90f8994
SHA5128aadb5fd3750ab0c036c7b8d2c775e42688265b00fe75b43a6addaefc7ee20d9fa3f074dd7943570c8519943011eda08216e90551b6d6a782b9ed5ce20aa6bab
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Filesize
842B
MD52dfe1cff207eac2f955dcbcb8d5d6fd4
SHA1f2173869d8420809583800c75745a4171d41b25a
SHA256d66c905048c0a64d7df86be60c0cbbf91875db139719495b4c78ef467543ec10
SHA5124855e680eabc3ec441ee7353b1110d61ffce341749cba6a489db0af565d775ea4dd8aa6110daafa8b280e454b8994fa4dbf24bfb6f45201c8d82c552cc1e01c7
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Filesize
80KB
MD565e1858073cbf248948becda4a90b985
SHA1bd1ea8d8fa90a6717a7fbfbd5d28c99f8d7e38c9
SHA256d7a0f88ac6acc8022c71a52fa17b6f6d3bb75968e2d2dedb5f7b031e5f2bf1ff
SHA512e96b8fb38a22f1eb2281ea6eecd565dbe5c8c79cc1e6ea3ce7cf21024531be8fa74a9fd6250c68ddeb3c708d1143997c9dd4231ff6a422a9826723ca79c33829
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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
MD565e1858073cbf248948becda4a90b985
SHA1bd1ea8d8fa90a6717a7fbfbd5d28c99f8d7e38c9
SHA256d7a0f88ac6acc8022c71a52fa17b6f6d3bb75968e2d2dedb5f7b031e5f2bf1ff
SHA512e96b8fb38a22f1eb2281ea6eecd565dbe5c8c79cc1e6ea3ce7cf21024531be8fa74a9fd6250c68ddeb3c708d1143997c9dd4231ff6a422a9826723ca79c33829