Analysis
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max time kernel
158s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
15-02-2022 13:41
Static task
static1
Behavioral task
behavioral1
Sample
4a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79.exe
Resource
win7-en-20211208
General
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Target
4a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79.exe
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Size
2.7MB
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MD5
84f53b26739d97cbdcd526c5ec88715d
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SHA1
ab1d8d6a13e3c2793408944a83e4dec04a919f14
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SHA256
4a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79
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SHA512
b825c54e4806165392bc9aff674cf88774e977ac7cf1ec3b40dab4fa04f1c120d1d637a2892a86dd55ffc5a1e26cf2e4e23251c99cd03bd213ba39b0c66dcaca
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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Executes dropped EXE 1 IoCs
Processes:
DpEditor.exepid process 1616 DpEditor.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
4a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79.exeDpEditor.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 4a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion DpEditor.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion DpEditor.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 4a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79.exe -
Processes:
resource yara_rule behavioral2/memory/3848-131-0x0000000000950000-0x0000000001047000-memory.dmp themida behavioral2/memory/3848-132-0x0000000000950000-0x0000000001047000-memory.dmp themida behavioral2/memory/3848-133-0x0000000000950000-0x0000000001047000-memory.dmp themida behavioral2/memory/3848-134-0x0000000000950000-0x0000000001047000-memory.dmp themida C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe themida C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe themida behavioral2/memory/1616-137-0x0000000000100000-0x00000000007F7000-memory.dmp themida behavioral2/memory/1616-138-0x0000000000100000-0x00000000007F7000-memory.dmp themida behavioral2/memory/1616-139-0x0000000000100000-0x00000000007F7000-memory.dmp themida behavioral2/memory/1616-140-0x0000000000100000-0x00000000007F7000-memory.dmp themida -
Processes:
DpEditor.exe4a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA DpEditor.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 4a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
4a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79.exeDpEditor.exepid process 3848 4a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79.exe 1616 DpEditor.exe -
Drops file in Windows directory 3 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe -
Modifies data under HKEY_USERS 51 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4308" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3936" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132895825546050803" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4096" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006597" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.896542" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.895016" svchost.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
DpEditor.exepid process 1616 DpEditor.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
4a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79.exeDpEditor.exepid process 3848 4a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79.exe 3848 4a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79.exe 1616 DpEditor.exe 1616 DpEditor.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe Token: SeRestorePrivilege 3604 TiWorker.exe Token: SeSecurityPrivilege 3604 TiWorker.exe Token: SeBackupPrivilege 3604 TiWorker.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
4a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79.exedescription pid process target process PID 3848 wrote to memory of 1616 3848 4a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79.exe DpEditor.exe PID 3848 wrote to memory of 1616 3848 4a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79.exe DpEditor.exe PID 3848 wrote to memory of 1616 3848 4a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79.exe DpEditor.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79.exe"C:\Users\Admin\AppData\Local\Temp\4a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79.exe"1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3848 -
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"2⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
PID:1616
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3796
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2340
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3604
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
84f53b26739d97cbdcd526c5ec88715d
SHA1ab1d8d6a13e3c2793408944a83e4dec04a919f14
SHA2564a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79
SHA512b825c54e4806165392bc9aff674cf88774e977ac7cf1ec3b40dab4fa04f1c120d1d637a2892a86dd55ffc5a1e26cf2e4e23251c99cd03bd213ba39b0c66dcaca
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MD5
84f53b26739d97cbdcd526c5ec88715d
SHA1ab1d8d6a13e3c2793408944a83e4dec04a919f14
SHA2564a28b94c2370f23f68f78368ba399ee38aaedf3afa52eaf6f84b394e3e435a79
SHA512b825c54e4806165392bc9aff674cf88774e977ac7cf1ec3b40dab4fa04f1c120d1d637a2892a86dd55ffc5a1e26cf2e4e23251c99cd03bd213ba39b0c66dcaca