Resubmissions
12-11-2021 18:04
211112-wnzb8aahhm 1019-11-2020 10:08
201119-rhwlt38jrx 1018-11-2020 17:26
201118-htd4fq29va 10Analysis
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max time kernel
1804s -
max time network
1581s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
18-11-2020 17:26
General
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Target
SecurityTaskManager_Setup.exe
Score
8/10
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL 3 IoCs
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Drops file in Program Files directory 64 IoCs
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Drops file in Windows directory 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks SCSI registry key(s) 3 TTPs 64 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
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Enumerates system info in registry 2 TTPs 3 IoCs
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Modifies data under HKEY_USERS 2 IoCs
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Modifies registry class 27 IoCs
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Suspicious behavior: EnumeratesProcesses 10 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of SetWindowsHookEx 6 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecurityTaskManager_Setup.exe"C:\Users\Admin\AppData\Local\Temp\SecurityTaskManager_Setup.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\WZSE0.TMP\setup.exe".\setup.exe"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\System32\explorer.exe" "C:\Program Files (x86)\Security Task Manager\taskman.exe"3⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Security Task Manager\TaskMan.exe"C:\Program Files (x86)\Security Task Manager\TaskMan.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" scenario=install scenariosubtype=ARP sourcetype=None productstoremove=ProPlusRetail.16_en-us_x-none culture=en-us version.16=16.03⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s DsmSvc1⤵
- Checks SCSI registry key(s)
- Modifies data under HKEY_USERS
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C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:21⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{448AEE3B-DC65-4AF6-BF5F-DCE86D62B6C7}1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Filesize
4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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Filesize
64KB
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64KB
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64KB
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Filesize
1.0MB
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Filesize
40KB
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Filesize
528KB
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564KB
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580KB
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524KB
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40KB
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1.0MB
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1.0MB
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1.0MB
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Filesize
40KB
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40KB
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40KB
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40KB
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