Analysis
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max time kernel
112s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
24-07-2022 20:58
Static task
static1
Behavioral task
behavioral1
Sample
da415ce6c004349ee80c6e3c47c193fa1391f2ff3e308780017e6f93848eaeec.exe
Resource
win7-20220715-en
Behavioral task
behavioral2
Sample
da415ce6c004349ee80c6e3c47c193fa1391f2ff3e308780017e6f93848eaeec.exe
Resource
win10v2004-20220721-en
General
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Target
da415ce6c004349ee80c6e3c47c193fa1391f2ff3e308780017e6f93848eaeec.exe
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Size
852KB
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MD5
bd367fcebc67575d8b305dfd49e5e0b7
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SHA1
791fce7c34c80cfb75726e5284a3ef516dc44964
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SHA256
da415ce6c004349ee80c6e3c47c193fa1391f2ff3e308780017e6f93848eaeec
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SHA512
a27ff4ca8fadbd3fda529c83091187879b22becec2d2e4d538998b7086294240a951a82d16c39784be5ff7c8f8daf04cd3812e0aabf5eaf07e1365318f29264b
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
da415ce6c004349ee80c6e3c47c193fa1391f2ff3e308780017e6f93848eaeec.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation da415ce6c004349ee80c6e3c47c193fa1391f2ff3e308780017e6f93848eaeec.exe -
Drops file in Windows directory 1 IoCs
Processes:
dw20.exedescription ioc process File created C:\Windows\AppCompat\Programs\Amcache.hve.tmp dw20.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
dw20.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dw20.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
dw20.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dw20.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 4640 powershell.exe 4640 powershell.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
dw20.exepowershell.exedescription pid process Token: SeRestorePrivilege 768 dw20.exe Token: SeBackupPrivilege 768 dw20.exe Token: SeBackupPrivilege 768 dw20.exe Token: SeBackupPrivilege 768 dw20.exe Token: SeBackupPrivilege 768 dw20.exe Token: SeDebugPrivilege 4640 powershell.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
da415ce6c004349ee80c6e3c47c193fa1391f2ff3e308780017e6f93848eaeec.exedescription pid process target process PID 4036 wrote to memory of 4640 4036 da415ce6c004349ee80c6e3c47c193fa1391f2ff3e308780017e6f93848eaeec.exe powershell.exe PID 4036 wrote to memory of 4640 4036 da415ce6c004349ee80c6e3c47c193fa1391f2ff3e308780017e6f93848eaeec.exe powershell.exe PID 4036 wrote to memory of 4640 4036 da415ce6c004349ee80c6e3c47c193fa1391f2ff3e308780017e6f93848eaeec.exe powershell.exe PID 4036 wrote to memory of 768 4036 da415ce6c004349ee80c6e3c47c193fa1391f2ff3e308780017e6f93848eaeec.exe dw20.exe PID 4036 wrote to memory of 768 4036 da415ce6c004349ee80c6e3c47c193fa1391f2ff3e308780017e6f93848eaeec.exe dw20.exe PID 4036 wrote to memory of 768 4036 da415ce6c004349ee80c6e3c47c193fa1391f2ff3e308780017e6f93848eaeec.exe dw20.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\da415ce6c004349ee80c6e3c47c193fa1391f2ff3e308780017e6f93848eaeec.exe"C:\Users\Admin\AppData\Local\Temp\da415ce6c004349ee80c6e3c47c193fa1391f2ff3e308780017e6f93848eaeec.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windo 1 -noexit -exec bypass -file "C:\Users\Public\sysq.ps1"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 13362⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Public\sysq.ps1Filesize
24KB
MD567d5e76d5bf4e46f437cbea641892e4b
SHA1c213d0d29ce855fdf96da8900cc31679d6df43c3
SHA2562cfb4d18d2afc27c40e98f42541e3e977c75af0fe2eee503a7723d46c5ebb8c3
SHA512c8f447834d97857b20365ed0a8440bbb36445e8e27947faf354552bb3481481f98d5033711d335f9578d7386602bd5f9c67208388228fce6dc0b0af9e0f46f16
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memory/768-132-0x0000000000000000-mapping.dmp
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memory/4036-134-0x0000000074980000-0x0000000074F31000-memory.dmpFilesize
5.7MB
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memory/4036-130-0x0000000074980000-0x0000000074F31000-memory.dmpFilesize
5.7MB
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memory/4640-136-0x0000000004DB0000-0x0000000004DD2000-memory.dmpFilesize
136KB
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memory/4640-135-0x0000000005060000-0x0000000005688000-memory.dmpFilesize
6.2MB
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memory/4640-133-0x00000000028A0000-0x00000000028D6000-memory.dmpFilesize
216KB
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memory/4640-137-0x0000000004F50000-0x0000000004FB6000-memory.dmpFilesize
408KB
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memory/4640-138-0x0000000005690000-0x00000000056F6000-memory.dmpFilesize
408KB
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memory/4640-139-0x0000000005D00000-0x0000000005D1E000-memory.dmpFilesize
120KB
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memory/4640-140-0x0000000006270000-0x00000000062B4000-memory.dmpFilesize
272KB
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memory/4640-131-0x0000000000000000-mapping.dmp
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memory/4640-142-0x0000000007160000-0x00000000071D6000-memory.dmpFilesize
472KB
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memory/4640-143-0x0000000007860000-0x0000000007EDA000-memory.dmpFilesize
6.5MB
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memory/4640-144-0x0000000007200000-0x000000000721A000-memory.dmpFilesize
104KB