Analysis
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max time kernel
121s -
max time network
198s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
05/12/2022, 08:41
Static task
static1
Behavioral task
behavioral1
Sample
b1c7bf8709c69e723929444a243299d6bd971cff7081de60e47ec89925bdceca.dll
Resource
win7-20221111-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
b1c7bf8709c69e723929444a243299d6bd971cff7081de60e47ec89925bdceca.dll
Resource
win10v2004-20221111-en
windows10-2004-x64
6 signatures
150 seconds
General
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Target
b1c7bf8709c69e723929444a243299d6bd971cff7081de60e47ec89925bdceca.dll
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Size
68KB
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MD5
0da3d90704d83cf3af76d67540df2bc0
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SHA1
7e84e3c965857219624e18ea63bdb19db142226e
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SHA256
b1c7bf8709c69e723929444a243299d6bd971cff7081de60e47ec89925bdceca
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SHA512
75fc4aadad027afd0a16d5375b223b962fcafce4bd6c4dcfc110e158e7fca35cf314baa05910c9d5a9a57b055e8a11e54be3372196d2e76ce32edfd571dd4b53
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SSDEEP
1536:0KaouK0rof8925RMehGW4O6cHPP3v6qshuqRys/:0KaouK99MqB4Ob3en3/
Score
5/10
Malware Config
Signatures
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2028 set thread context of 1216 2028 rundll32.exe 29 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IntelliForms IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{7690D441-77BE-11ED-8553-72598884447E} = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IETld\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377354549" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Zoom IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\PageSetup IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\InternetRegistry IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1216 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1216 IEXPLORE.EXE 1216 IEXPLORE.EXE 1996 IEXPLORE.EXE 1996 IEXPLORE.EXE 1996 IEXPLORE.EXE 1996 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1152 wrote to memory of 2028 1152 rundll32.exe 28 PID 1152 wrote to memory of 2028 1152 rundll32.exe 28 PID 1152 wrote to memory of 2028 1152 rundll32.exe 28 PID 1152 wrote to memory of 2028 1152 rundll32.exe 28 PID 1152 wrote to memory of 2028 1152 rundll32.exe 28 PID 1152 wrote to memory of 2028 1152 rundll32.exe 28 PID 1152 wrote to memory of 2028 1152 rundll32.exe 28 PID 2028 wrote to memory of 1216 2028 rundll32.exe 29 PID 2028 wrote to memory of 1216 2028 rundll32.exe 29 PID 2028 wrote to memory of 1216 2028 rundll32.exe 29 PID 2028 wrote to memory of 1216 2028 rundll32.exe 29 PID 2028 wrote to memory of 1216 2028 rundll32.exe 29 PID 1216 wrote to memory of 1996 1216 IEXPLORE.EXE 31 PID 1216 wrote to memory of 1996 1216 IEXPLORE.EXE 31 PID 1216 wrote to memory of 1996 1216 IEXPLORE.EXE 31 PID 1216 wrote to memory of 1996 1216 IEXPLORE.EXE 31
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1c7bf8709c69e723929444a243299d6bd971cff7081de60e47ec89925bdceca.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1c7bf8709c69e723929444a243299d6bd971cff7081de60e47ec89925bdceca.dll,#12⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1216 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1216 CREDAT:275457 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1996
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
608B
MD514575a4947e30f87311e2c0b3cf10a2c
SHA1a5cac501fdde515f89a81127a9b9d2ab471e8b71
SHA256deb8a73612c3ceb164dc147de844e761fa1e2259d0834c39384e7eb226d3c058
SHA5121b3569edc489dad991e923784afcf71ad8e5bcd5aed8c1b8986b559b8f2a252d0d5f73360d6ad7e9808e24e3300caebfd392769d3b766dfc10658ad943d8dce9