Analysis
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max time kernel
155s -
max time network
163s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 11:02
Static task
static1
Behavioral task
behavioral1
Sample
86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe
Resource
win10v2004-20220812-en
General
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Target
86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe
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Size
1.2MB
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MD5
1dccf20a4a6682d2ca630b95adf8cbef
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SHA1
a0c1686bc3bc34dc3f035926b6ba7cb7b1919a8a
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SHA256
86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23
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SHA512
42406e35ff7b938dc68ec7f9be841e322cca74f32d62db63d3b5ddde9c90bf5dae929a088b7ea620572054e1457ea41149efe622bb5e858a4e2f2f8ef6f66c55
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SSDEEP
24576:g379axq2gMaFYZczsxM9p+lUUja/Gbmh8oFYKYh6hFsciYqDtYg1TU:pqlMHSUl4uK6oFYK+SHtqDvm
Malware Config
Signatures
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Loads dropped DLL 8 IoCs
Processes:
86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exepid process 112 86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe 112 86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe 112 86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe 112 86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe 112 86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe 112 86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe 112 86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe 112 86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe -
Drops file in Program Files directory 1 IoCs
Processes:
86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exedescription ioc process File created C:\Program Files (x86)\BrowserSetup\uninst.exe 86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Processes:
iexplore.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exepid process 112 86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe 112 86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe 112 86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe 112 86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe 112 86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe 112 86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
iexplore.exepid process 1156 iexplore.exe 1156 iexplore.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exeiexplore.exedescription pid process target process PID 112 wrote to memory of 1156 112 86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe iexplore.exe PID 112 wrote to memory of 1156 112 86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe iexplore.exe PID 112 wrote to memory of 1156 112 86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe iexplore.exe PID 112 wrote to memory of 1156 112 86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe iexplore.exe PID 1156 wrote to memory of 1408 1156 iexplore.exe IEXPLORE.EXE PID 1156 wrote to memory of 1408 1156 iexplore.exe IEXPLORE.EXE PID 1156 wrote to memory of 1408 1156 iexplore.exe IEXPLORE.EXE PID 1156 wrote to memory of 1408 1156 iexplore.exe IEXPLORE.EXE PID 1156 wrote to memory of 1408 1156 iexplore.exe IEXPLORE.EXE PID 1156 wrote to memory of 1408 1156 iexplore.exe IEXPLORE.EXE PID 1156 wrote to memory of 1408 1156 iexplore.exe IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe"C:\Users\Admin\AppData\Local\Temp\86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:112 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" http://k.deyiweixiu.cn/86db360e91a798236cb8f5bd966ce62ffca321f52d72233f72d418f962c73a23.exe/40.jpg2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1156 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1156 CREDAT:275457 /prefetch:23⤵PID:1408
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
20KB
MD550fdadda3e993688401f6f1108fabdb4
SHA104a9ae55d0fb726be49809582cea41d75bf22a9a
SHA2566d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6
SHA512e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8
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Filesize
20KB
MD550fdadda3e993688401f6f1108fabdb4
SHA104a9ae55d0fb726be49809582cea41d75bf22a9a
SHA2566d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6
SHA512e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8
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Filesize
20KB
MD550fdadda3e993688401f6f1108fabdb4
SHA104a9ae55d0fb726be49809582cea41d75bf22a9a
SHA2566d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6
SHA512e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8
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Filesize
20KB
MD550fdadda3e993688401f6f1108fabdb4
SHA104a9ae55d0fb726be49809582cea41d75bf22a9a
SHA2566d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6
SHA512e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8
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Filesize
20KB
MD550fdadda3e993688401f6f1108fabdb4
SHA104a9ae55d0fb726be49809582cea41d75bf22a9a
SHA2566d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6
SHA512e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8
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Filesize
20KB
MD550fdadda3e993688401f6f1108fabdb4
SHA104a9ae55d0fb726be49809582cea41d75bf22a9a
SHA2566d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6
SHA512e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8
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Filesize
11KB
MD5c17103ae9072a06da581dec998343fc1
SHA1b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
SHA256dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
SHA512d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
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Filesize
4KB
MD505450face243b3a7472407b999b03a72
SHA1ffd88af2e338ae606c444390f7eaaf5f4aef2cd9
SHA25695fe9d92512ff2318cc2520311ef9145b2cee01209ab0e1b6e45c7ce1d4d0e89
SHA512f4cbe30166aff20a226a7150d93a876873ba699d80d7e9f46f32a9b4753fa7966c3113a3124340b39ca67a13205463a413e740e541e742903e3f89af5a53ad3b