Analysis
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max time kernel
100s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
26/11/2022, 00:08
Static task
static1
Behavioral task
behavioral1
Sample
d5729a5ff5816bafdf975027bb154b2483d45e00706433148e91c3a75d739346.dll
Resource
win7-20220812-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
d5729a5ff5816bafdf975027bb154b2483d45e00706433148e91c3a75d739346.dll
Resource
win10v2004-20220812-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
d5729a5ff5816bafdf975027bb154b2483d45e00706433148e91c3a75d739346.dll
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Size
488KB
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MD5
59150b72da8f2a912d57c79533e5614d
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SHA1
50a059bb9a12be3461866c36150c51bfb2034bbe
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SHA256
d5729a5ff5816bafdf975027bb154b2483d45e00706433148e91c3a75d739346
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SHA512
cab3a0877538f8db4851501f517e8a04f2a8a7cda5683d2c2bd259a6182ffcc7b4c9a447e8f1858e8af26ba8635adbef43ff0217086a0fb6db4f14bf06f3f2aa
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SSDEEP
12288:KBn7Uu9eEB18wTt2vcv+c2yBxsF8888888888888W88888888888:U7Uu9eW3TtQo+ABx
Score
5/10
Malware Config
Signatures
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1956 set thread context of 844 1956 rundll32.exe 29 -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" 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 Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376231141" 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\LowRegistry\DOMStorage 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 Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing 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 IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000dd3253c89d354440ad47e79e0da36317000000000200000000001066000000010000200000004a31f1e3be5ecf19ea6ebc379b3e7a4bdc6cfff4953603cd67be0c02e03ca1c2000000000e80000000020000200000004f11a87b9b6194482c2f4a986cd0995cf7d735a3c18db064c09a2b509adcc695200000001195ff685cc35f11fff660f380c757d936f498c8c82d4782f29fda4ca4278ac5400000006080b67c977d69247f578f3c0fe8316205d3d7e8f52f261043bb8ed2085116572d51b96bfb5661983780ae33ff1b20abe25dc5a29e189537d50b4a59fc4e9e67 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\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup 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\DomainSuggestion\FileNames\ 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\Zoom iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 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\WebBrowser iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f03e6ace9301d901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic 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\Main\WindowsSearch 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\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{E4F17CB1-6D86-11ED-BF27-66397CAA4A34} = "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 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\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1656 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1656 iexplore.exe 1656 iexplore.exe 940 IEXPLORE.EXE 940 IEXPLORE.EXE 940 IEXPLORE.EXE 940 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1404 wrote to memory of 1956 1404 rundll32.exe 28 PID 1404 wrote to memory of 1956 1404 rundll32.exe 28 PID 1404 wrote to memory of 1956 1404 rundll32.exe 28 PID 1404 wrote to memory of 1956 1404 rundll32.exe 28 PID 1404 wrote to memory of 1956 1404 rundll32.exe 28 PID 1404 wrote to memory of 1956 1404 rundll32.exe 28 PID 1404 wrote to memory of 1956 1404 rundll32.exe 28 PID 1956 wrote to memory of 844 1956 rundll32.exe 29 PID 1956 wrote to memory of 844 1956 rundll32.exe 29 PID 1956 wrote to memory of 844 1956 rundll32.exe 29 PID 1956 wrote to memory of 844 1956 rundll32.exe 29 PID 1956 wrote to memory of 844 1956 rundll32.exe 29 PID 1956 wrote to memory of 844 1956 rundll32.exe 29 PID 844 wrote to memory of 1656 844 iexplore.exe 30 PID 844 wrote to memory of 1656 844 iexplore.exe 30 PID 844 wrote to memory of 1656 844 iexplore.exe 30 PID 844 wrote to memory of 1656 844 iexplore.exe 30 PID 1656 wrote to memory of 940 1656 iexplore.exe 32 PID 1656 wrote to memory of 940 1656 iexplore.exe 32 PID 1656 wrote to memory of 940 1656 iexplore.exe 32 PID 1656 wrote to memory of 940 1656 iexplore.exe 32
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d5729a5ff5816bafdf975027bb154b2483d45e00706433148e91c3a75d739346.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1404 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d5729a5ff5816bafdf975027bb154b2483d45e00706433148e91c3a75d739346.dll,#12⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:844 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" http://www.java.com/pt_BR/4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1656 CREDAT:275457 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:940
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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
MD51017dcca002b50ab49e34b46fe513803
SHA116d60521260e274d1c71291c4c8f89652c6dc30b
SHA256a8abcfa6b5b30d0cffc3c5f57c02d24a97147691ff5ca1389a9e24c7d4663a0c
SHA512f84dd942eaa60b12b326bab7cf70940991c2767b322565caffef0019bb735df844e79cc0499698f89ee4445e0d87c2d22ee7aee20626230337cfb258f1278763
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Filesize
603B
MD5e9486084d4f162fa61acd46e5ac426b0
SHA17be998b3a7f521a5d688d3035a9e958cebd81d7b
SHA256f1df570592c91b55a54eb170fc8695d0c2fa4da1a5b6db214927d836d3f0e8b2
SHA512e929baf8f0e216d0a607f4b27dab93eb1e47efea30a6c922ca631a73f0c244c4d4928b13e639bc7a421dd860cee4fa3395aa2c2c318baf0c538ec7c2275d2e01