Analysis
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max time kernel
185s -
max time network
191s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30-11-2022 19:09
Static task
static1
Behavioral task
behavioral1
Sample
3df87edaa5283ac998d421713e3809b1e1d9c5d922ec46feb68eaf09c253ef16.exe
Resource
win7-20220812-en
General
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Target
3df87edaa5283ac998d421713e3809b1e1d9c5d922ec46feb68eaf09c253ef16.exe
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Size
76KB
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MD5
bd636698c021a83253c657f7f0c3d9fc
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SHA1
6d685e92fe183f66a853103c9db9e9367def8801
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SHA256
3df87edaa5283ac998d421713e3809b1e1d9c5d922ec46feb68eaf09c253ef16
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SHA512
eef841d92dcbe040d933211deca16bf0890767cad2bc4b301045113c01439d375cb81116b44d6db4d1c4fdf34aed7a23e8f9f67005b05d3fa7bbec469017272c
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SSDEEP
1536:c9PAWuSou72/qFDq3pnZ/jEX8vBa9/a/IQZu0DD+S:cG/SR7nW5nZ/AX8v087y
Malware Config
Signatures
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Drops file in System32 directory 4 IoCs
Processes:
sortinglangs.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies sortinglangs.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 sortinglangs.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 sortinglangs.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE sortinglangs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies data under HKEY_USERS 3 IoCs
Processes:
sortinglangs.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix sortinglangs.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" sortinglangs.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" sortinglangs.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
sortinglangs.exepid process 4544 sortinglangs.exe 4544 sortinglangs.exe 4544 sortinglangs.exe 4544 sortinglangs.exe 4544 sortinglangs.exe 4544 sortinglangs.exe 4544 sortinglangs.exe 4544 sortinglangs.exe 4544 sortinglangs.exe 4544 sortinglangs.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
3df87edaa5283ac998d421713e3809b1e1d9c5d922ec46feb68eaf09c253ef16.exepid process 4308 3df87edaa5283ac998d421713e3809b1e1d9c5d922ec46feb68eaf09c253ef16.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
3df87edaa5283ac998d421713e3809b1e1d9c5d922ec46feb68eaf09c253ef16.exesortinglangs.exedescription pid process target process PID 4880 wrote to memory of 4308 4880 3df87edaa5283ac998d421713e3809b1e1d9c5d922ec46feb68eaf09c253ef16.exe 3df87edaa5283ac998d421713e3809b1e1d9c5d922ec46feb68eaf09c253ef16.exe PID 4880 wrote to memory of 4308 4880 3df87edaa5283ac998d421713e3809b1e1d9c5d922ec46feb68eaf09c253ef16.exe 3df87edaa5283ac998d421713e3809b1e1d9c5d922ec46feb68eaf09c253ef16.exe PID 4880 wrote to memory of 4308 4880 3df87edaa5283ac998d421713e3809b1e1d9c5d922ec46feb68eaf09c253ef16.exe 3df87edaa5283ac998d421713e3809b1e1d9c5d922ec46feb68eaf09c253ef16.exe PID 4460 wrote to memory of 4544 4460 sortinglangs.exe sortinglangs.exe PID 4460 wrote to memory of 4544 4460 sortinglangs.exe sortinglangs.exe PID 4460 wrote to memory of 4544 4460 sortinglangs.exe sortinglangs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3df87edaa5283ac998d421713e3809b1e1d9c5d922ec46feb68eaf09c253ef16.exe"C:\Users\Admin\AppData\Local\Temp\3df87edaa5283ac998d421713e3809b1e1d9c5d922ec46feb68eaf09c253ef16.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3df87edaa5283ac998d421713e3809b1e1d9c5d922ec46feb68eaf09c253ef16.exe--919392102⤵
- Suspicious behavior: RenamesItself
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C:\Windows\SysWOW64\sortinglangs.exe"C:\Windows\SysWOW64\sortinglangs.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\sortinglangs.exe--e1dd35732⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses