Analysis
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max time kernel
140s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
06-12-2022 13:41
Static task
static1
Behavioral task
behavioral1
Sample
a8cb9fe2e744afaad53a3eea27f725b9df7ba459d0e331eb4f34ed9d851d07a9.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a8cb9fe2e744afaad53a3eea27f725b9df7ba459d0e331eb4f34ed9d851d07a9.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
12 signatures
150 seconds
General
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Target
a8cb9fe2e744afaad53a3eea27f725b9df7ba459d0e331eb4f34ed9d851d07a9.exe
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Size
32KB
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MD5
d18b9f6deb700e46f7faaeedc42dcdb7
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SHA1
860ef35055faa98ee6599e45d46ee74e2a3eacf7
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SHA256
a8cb9fe2e744afaad53a3eea27f725b9df7ba459d0e331eb4f34ed9d851d07a9
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SHA512
512ccfee20c72175c1d759951099852d877e764eb06068fb6dcbd2284bfc4207cdb173034faa8a550f7b1c2180d64732253ce2ca82d421ec4f72860ba5eecc19
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SSDEEP
384:nAjH54EvdEwd3QK5d+7XUb9xD9yf0/4PH:nmXlzXBMf0
Score
6/10
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run a8cb9fe2e744afaad53a3eea27f725b9df7ba459d0e331eb4f34ed9d851d07a9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\a8cb9fe2e744afaad53a3eea27f725b9df7ba459d0e331eb4f34ed9d851d07a9 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a8cb9fe2e744afaad53a3eea27f725b9df7ba459d0e331eb4f34ed9d851d07a9.exe" a8cb9fe2e744afaad53a3eea27f725b9df7ba459d0e331eb4f34ed9d851d07a9.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-1-5-21-4063495947-34355257-727531523-1000\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\IETld\LowMic 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 Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000000000001000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" 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 Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377489552" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup 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\Main 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\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry 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\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000003b7b446bdab3c44e91660dacddfeb5d800000000020000000000106600000001000020000000e0d532d99160f7a983c73cfc06b11eb8fc416ba7d84f25ba511304f14f037b73000000000e8000000002000020000000843837db237f50c832f09bdec939066443f1ac2f380e0c558e2b5056aa39858e200000006dded3098576cab4e235479ffdd22a4a14a8b641bfe9eb8c6b01629f16d59f6040000000a701f8db6a4b14255e5d70361bb1daa22028e4c8a1c926fd5c66ca0cf15b6e09f499735ee0b8a0bfb5ed8628f8c03c26795d18a8672b70f22367e608c21fc6ba 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\Main a8cb9fe2e744afaad53a3eea27f725b9df7ba459d0e331eb4f34ed9d851d07a9.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{DBC896A1-78F8-11ED-AA9B-EE0F1DD48A27} = "0" 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\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE 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\GPU iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 505e80bb050dd901 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\Zoom iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe -
Modifies Internet Explorer start page 1 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://www.qyqqt.com/?vb" a8cb9fe2e744afaad53a3eea27f725b9df7ba459d0e331eb4f34ed9d851d07a9.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1136 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1136 iexplore.exe -
Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 1348 a8cb9fe2e744afaad53a3eea27f725b9df7ba459d0e331eb4f34ed9d851d07a9.exe 1136 iexplore.exe 1136 iexplore.exe 596 IEXPLORE.EXE 596 IEXPLORE.EXE 596 IEXPLORE.EXE 596 IEXPLORE.EXE 1700 IEXPLORE.EXE 1700 IEXPLORE.EXE 1732 IEXPLORE.EXE 1732 IEXPLORE.EXE 1732 IEXPLORE.EXE 1732 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1348 wrote to memory of 1136 1348 a8cb9fe2e744afaad53a3eea27f725b9df7ba459d0e331eb4f34ed9d851d07a9.exe 27 PID 1348 wrote to memory of 1136 1348 a8cb9fe2e744afaad53a3eea27f725b9df7ba459d0e331eb4f34ed9d851d07a9.exe 27 PID 1348 wrote to memory of 1136 1348 a8cb9fe2e744afaad53a3eea27f725b9df7ba459d0e331eb4f34ed9d851d07a9.exe 27 PID 1348 wrote to memory of 1136 1348 a8cb9fe2e744afaad53a3eea27f725b9df7ba459d0e331eb4f34ed9d851d07a9.exe 27 PID 1136 wrote to memory of 596 1136 iexplore.exe 29 PID 1136 wrote to memory of 596 1136 iexplore.exe 29 PID 1136 wrote to memory of 596 1136 iexplore.exe 29 PID 1136 wrote to memory of 596 1136 iexplore.exe 29 PID 1136 wrote to memory of 1732 1136 iexplore.exe 31 PID 1136 wrote to memory of 1732 1136 iexplore.exe 31 PID 1136 wrote to memory of 1732 1136 iexplore.exe 31 PID 1136 wrote to memory of 1732 1136 iexplore.exe 31 PID 1136 wrote to memory of 1700 1136 iexplore.exe 32 PID 1136 wrote to memory of 1700 1136 iexplore.exe 32 PID 1136 wrote to memory of 1700 1136 iexplore.exe 32 PID 1136 wrote to memory of 1700 1136 iexplore.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\a8cb9fe2e744afaad53a3eea27f725b9df7ba459d0e331eb4f34ed9d851d07a9.exe"C:\Users\Admin\AppData\Local\Temp\a8cb9fe2e744afaad53a3eea27f725b9df7ba459d0e331eb4f34ed9d851d07a9.exe"1⤵
- Adds Run key to start application
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1348 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" http://a.qyqqt.com/2⤵
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1136 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1136 CREDAT:275457 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:596
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1136 CREDAT:537611 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1732
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1136 CREDAT:275474 /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
608B
MD556be857a8e38b9e018c1f7c465e441f9
SHA15a408908aafd2cd099542e08735f8184a25b052b
SHA256170f2ef99ad8efbc26332e3030738260dcce46bafef448fa447154ccc253ba59
SHA512e4774352bb33134597d7fa44152d9dc21129ab80b64c4ed7802f5e07a0be0ab623df40a5a4ec757dbff7eb8044c979d758a88e1bd8a9cf52a11d66061edf95ae