Analysis Overview
SHA256
df255af635a2dde04c031db95862f11e1bf44fe5cfc10d3b20bd4678ed818567
Threat Level: Known bad
The file df255af635a2dde04c031db95862f11e1bf44fe5cfc10d3b20bd4678ed818567.exe was found to be: Known bad.
Malicious Activity Summary
Locky
Modifies extensions of user files
Adds Run key to start application
Sets desktop wallpaper using registry
Drops file in Program Files directory
Enumerates physical storage devices
Modifies registry class
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Enumerates system info in registry
Modifies Control Panel
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-07-13 14:49
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-07-13 14:49
Reported
2022-07-13 14:52
Platform
win10v2004-20220414-en
Max time kernel
148s
Max time network
152s
Command Line
Signatures
Locky
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\Users\Admin\Pictures\MergeJoin.tiff | C:\Users\Admin\AppData\Local\Temp\df255af635a2dde04c031db95862f11e1bf44fe5cfc10d3b20bd4678ed818567.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\opt321 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\df255af635a2dde04c031db95862f11e1bf44fe5cfc10d3b20bd4678ed818567.exe" | C:\Users\Admin\AppData\Local\Temp\df255af635a2dde04c031db95862f11e1bf44fe5cfc10d3b20bd4678ed818567.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows\CurrentVersion\Run | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\asasin.bmp" | C:\Users\Admin\AppData\Local\Temp\df255af635a2dde04c031db95862f11e1bf44fe5cfc10d3b20bd4678ed818567.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\6f769eb0-24a0-4871-bb0e-8f87ea17cb01.tmp | C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20220713145154.pma | C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe | N/A |
Enumerates physical storage devices
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
Modifies Control Panel
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\Desktop\TileWallpaper = "0" | C:\Users\Admin\AppData\Local\Temp\df255af635a2dde04c031db95862f11e1bf44fe5cfc10d3b20bd4678ed818567.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\Desktop\WallpaperStyle = "0" | C:\Users\Admin\AppData\Local\Temp\df255af635a2dde04c031db95862f11e1bf44fe5cfc10d3b20bd4678ed818567.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe | N/A |
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\df255af635a2dde04c031db95862f11e1bf44fe5cfc10d3b20bd4678ed818567.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\df255af635a2dde04c031db95862f11e1bf44fe5cfc10d3b20bd4678ed818567.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\df255af635a2dde04c031db95862f11e1bf44fe5cfc10d3b20bd4678ed818567.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\df255af635a2dde04c031db95862f11e1bf44fe5cfc10d3b20bd4678ed818567.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\df255af635a2dde04c031db95862f11e1bf44fe5cfc10d3b20bd4678ed818567.exe
"C:\Users\Admin\AppData\Local\Temp\df255af635a2dde04c031db95862f11e1bf44fe5cfc10d3b20bd4678ed818567.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\Desktop\asasin.htm
C:\Windows\SysWOW64\cmd.exe
cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\df255af635a2dde04c031db95862f11e1bf44fe5cfc10d3b20bd4678ed818567.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x108,0x10c,0x110,0xe4,0x114,0x7ff87a4446f8,0x7ff87a444708,0x7ff87a444718
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2172,6757219008230053318,7012215600062379034,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2180 /prefetch:2
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2172,6757219008230053318,7012215600062379034,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2232 /prefetch:3
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2172,6757219008230053318,7012215600062379034,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2744 /prefetch:8
C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,6757219008230053318,7012215600062379034,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3492 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,6757219008230053318,7012215600062379034,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3500 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2172,6757219008230053318,7012215600062379034,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5324 /prefetch:8
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2172,6757219008230053318,7012215600062379034,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5404 /prefetch:8
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,6757219008230053318,7012215600062379034,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5344 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,6757219008230053318,7012215600062379034,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5676 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2172,6757219008230053318,7012215600062379034,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5492 /prefetch:8
C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x220,0x224,0x228,0x1fc,0x22c,0x7ff6848a5460,0x7ff6848a5470,0x7ff6848a5480
C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2172,6757219008230053318,7012215600062379034,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5492 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| IT | 91.229.188.178:80 | tcp | |
| UA | 91.203.5.181:80 | tcp | |
| IT | 91.229.188.178:80 | tcp | |
| US | 20.42.65.85:443 | tcp | |
| FR | 2.18.109.224:443 | tcp | |
| NL | 104.110.191.140:80 | tcp | |
| NL | 104.110.191.140:80 | tcp | |
| NL | 87.248.202.1:80 | tcp | |
| UA | 91.203.5.181:80 | tcp | |
| US | 104.18.24.243:80 | tcp | |
| IT | 91.229.188.178:80 | tcp | |
| US | 8.8.8.8:53 | nav.smartscreen.microsoft.com | udp |
| NL | 20.86.249.62:443 | nav.smartscreen.microsoft.com | tcp |
| US | 8.8.8.8:53 | smartscreen-prod.microsoft.com | udp |
| NL | 20.86.249.62:443 | smartscreen-prod.microsoft.com | tcp |
| NL | 20.86.249.62:443 | smartscreen-prod.microsoft.com | tcp |
| NL | 20.86.249.62:443 | smartscreen-prod.microsoft.com | tcp |
| US | 204.79.197.200:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | dns.google | udp |
| US | 8.8.4.4:443 | dns.google | tcp |
| US | 8.8.4.4:443 | dns.google | tcp |
| US | 13.107.21.200:443 | www.bing.com | tcp |
| US | 8.8.4.4:443 | dns.google | udp |
| US | 204.79.197.219:443 | tcp | |
| US | 8.8.4.4:443 | dns.google | udp |
| N/A | 224.0.0.251:5353 | udp | |
| NL | 23.73.0.144:443 | assets.msn.com | tcp |
| NL | 23.73.0.144:443 | tcp | |
| NL | 23.73.0.144:443 | assets.msn.com | tcp |
| FR | 2.22.22.186:443 | tcp | |
| US | 20.234.93.27:443 | tcp | |
| US | 204.79.197.200:443 | www.bing.com | tcp |
| FR | 52.222.158.39:443 | tcp | |
| US | 204.79.197.219:443 | tcp | |
| FR | 2.22.147.50:443 | deff.nelreports.net | tcp |
| FR | 2.18.229.214:443 | tcp |
Files
memory/3456-131-0x0000000000400000-0x00000000004A2C94-memory.dmp
memory/3456-130-0x0000000000400000-0x0000000000489000-memory.dmp
memory/3456-133-0x0000000000400000-0x00000000004A2C94-memory.dmp
memory/3456-134-0x0000000000400000-0x00000000004A2C94-memory.dmp
memory/628-135-0x0000000000000000-mapping.dmp
memory/4456-136-0x0000000000000000-mapping.dmp
memory/3456-137-0x0000000000400000-0x00000000004A2C94-memory.dmp
memory/5000-138-0x0000000000000000-mapping.dmp
memory/4748-140-0x0000000000000000-mapping.dmp
memory/1612-141-0x0000000000000000-mapping.dmp
memory/1724-143-0x0000000000000000-mapping.dmp
\??\pipe\LOCAL\crashpad_628_RPGRBHPAGFYPNCFI
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
memory/4600-146-0x0000000000000000-mapping.dmp
memory/4656-148-0x0000000000000000-mapping.dmp
C:\Users\Admin\Desktop\asasin.htm
| MD5 | 0065ee5c34b40e4fc2c91f8ca9388d46 |
| SHA1 | 9522d1c1e91c8808698a8e3018e3233c47494042 |
| SHA256 | f4c35e9b0aa9573e1d23595da435306aff64fada6f9b96068e80f7a25a2b2ecd |
| SHA512 | 76ad0e473675064df9ed2e5b9b6858abe8ec7617a5110794a63e07a163330deaa8eccbb56833b94ddf01ae87d04a077e5e60a57f79f0c3075c58e2c9fb12d128 |
memory/1556-151-0x0000000000000000-mapping.dmp
memory/1792-153-0x0000000000000000-mapping.dmp
memory/876-155-0x0000000000000000-mapping.dmp
memory/1404-157-0x0000000000000000-mapping.dmp
memory/4188-158-0x0000000000000000-mapping.dmp
memory/4792-159-0x0000000000000000-mapping.dmp
memory/1764-160-0x0000000000000000-mapping.dmp