Analysis
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max time kernel
150s -
max time network
190s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 22:07
Static task
static1
Behavioral task
behavioral1
Sample
6d7665ba0940fbcae2e48eb208c83f37db11e1c5659e5380d4bb121210df0ad2.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
6d7665ba0940fbcae2e48eb208c83f37db11e1c5659e5380d4bb121210df0ad2.exe
Resource
win10v2004-20220812-en
General
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Target
6d7665ba0940fbcae2e48eb208c83f37db11e1c5659e5380d4bb121210df0ad2.exe
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Size
784KB
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MD5
0f2b58dd0ab3c57a04272e7acce4c3b8
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SHA1
48153750683c6b06de801548a71c0d5984ef6701
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SHA256
6d7665ba0940fbcae2e48eb208c83f37db11e1c5659e5380d4bb121210df0ad2
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SHA512
3b89aae88573d0849d1c1c677d63fc26f38b4e2a6dcb46112aa216c403667f66c1d912b998759be8b366ef40fdb1656d5ae40b4b740c09b871455a6221c0f61e
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SSDEEP
12288:thcnl4CgZ2lQux8OHwsW9taYNT4r0nftT4r05:tJSQ08OHwh9taYNT4r0lT4r05
Malware Config
Signatures
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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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Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{7C74BBD1-6D6C-11ED-AA01-6AB3F8C7EA51} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376219803" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 10597f677901d901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000dd5c1ff742c61a488d6239cf3a0d901b000000000200000000001066000000010000200000002cf2eb7cb66b7758a6329b0c70f85316e8a5fc880a39d16f1a6893d6966e5e3c000000000e8000000002000020000000ae545ae71d6bb35ce7043569b536af270111053e22b456b2dbf8bb7a132ef9fe2000000047fa92b3e23dc702b0eaeae9fd275dc2c79eb4960e2c96ed56001d609c2232ce400000001e16c47e950a271b9387c122b884bfc748df987cc4c3a236d7efb9dff74db05efe37032f404ac9d13ee618911f719fb9fe49dd7ddea7f32bb40e1a74277df524 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 268 iexplore.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
6d7665ba0940fbcae2e48eb208c83f37db11e1c5659e5380d4bb121210df0ad2.exeiexplore.exeIEXPLORE.EXEpid process 1644 6d7665ba0940fbcae2e48eb208c83f37db11e1c5659e5380d4bb121210df0ad2.exe 1644 6d7665ba0940fbcae2e48eb208c83f37db11e1c5659e5380d4bb121210df0ad2.exe 268 iexplore.exe 268 iexplore.exe 1700 IEXPLORE.EXE 1700 IEXPLORE.EXE 1700 IEXPLORE.EXE 1700 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
6d7665ba0940fbcae2e48eb208c83f37db11e1c5659e5380d4bb121210df0ad2.exeiexplore.exedescription pid process target process PID 1644 wrote to memory of 268 1644 6d7665ba0940fbcae2e48eb208c83f37db11e1c5659e5380d4bb121210df0ad2.exe iexplore.exe PID 1644 wrote to memory of 268 1644 6d7665ba0940fbcae2e48eb208c83f37db11e1c5659e5380d4bb121210df0ad2.exe iexplore.exe PID 1644 wrote to memory of 268 1644 6d7665ba0940fbcae2e48eb208c83f37db11e1c5659e5380d4bb121210df0ad2.exe iexplore.exe PID 1644 wrote to memory of 268 1644 6d7665ba0940fbcae2e48eb208c83f37db11e1c5659e5380d4bb121210df0ad2.exe iexplore.exe PID 268 wrote to memory of 1700 268 iexplore.exe IEXPLORE.EXE PID 268 wrote to memory of 1700 268 iexplore.exe IEXPLORE.EXE PID 268 wrote to memory of 1700 268 iexplore.exe IEXPLORE.EXE PID 268 wrote to memory of 1700 268 iexplore.exe IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\6d7665ba0940fbcae2e48eb208c83f37db11e1c5659e5380d4bb121210df0ad2.exe"C:\Users\Admin\AppData\Local\Temp\6d7665ba0940fbcae2e48eb208c83f37db11e1c5659e5380d4bb121210df0ad2.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1644 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" http://www.xuex8.com/2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:268 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:268 CREDAT:275457 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1700
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
61KB
MD53dcf580a93972319e82cafbc047d34d5
SHA18528d2a1363e5de77dc3b1142850e51ead0f4b6b
SHA25640810e31f1b69075c727e6d557f9614d5880112895ff6f4df1767e87ae5640d1
SHA51298384be7218340f95dae88d1cb865f23a0b4e12855beb6e74a3752274c9b4c601e493864db777bca677a370d0a9dbffd68d94898a82014537f3a801cce839c42
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD5a1b80e8d80d0e3fd0d192306410fef61
SHA1a08c412a2ebefaed4fa47463ca62798a78ee4661
SHA256cfdcf610c7379d8f0b91210af044510215b2ed82d1a332bf083105b583e26ad6
SHA512a54e22b4e7b91d221a3a29dcb0c87d948f93fbf61d4a0ce2ebb3599170803fec28e745fc345e45ebec8694f0227a79c96f762b22ab53da9be3d3b8bdc45f5332
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Filesize
608B
MD54afa6589c7a2c14927ecec917e50d22a
SHA1372c0d556e51c21b7551103cfb8fb97553236c7c
SHA256f4b875c84e7514cb0533eb55c38f48b176c02a9fa0a3cf687719f00a49621278
SHA51272edb81ea36e7838c008c3ff1d216736da58c1063280a47f3c4c8e8064dc99b64d1fca414b466270f895df6e11c0079328c912bf4c7e407a16c67d70f6c3e7e1