Analysis
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max time kernel
138s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
24-05-2022 18:32
Static task
static1
Behavioral task
behavioral1
Sample
0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe
Resource
win10v2004-20220414-en
General
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Target
0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe
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Size
303KB
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MD5
d5fee0c6f1d0d730de259c64e6373a0c
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SHA1
894f45f50454001bd21ad2713fefc15eb25b2b8b
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SHA256
0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b
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SHA512
fa39d6cdf1c00ec33ce02df71d16d83d58095d09d6a2a1c9d31ceb0bcd1d0c01abbe39daa49de37fab525a59678db241d2d2ebb36359c203a2e25c808c6b5f79
Malware Config
Signatures
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Locky
Ransomware strain released in 2016, with advanced features like anti-analysis.
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Locky (Osiris variant)
Variant of the Locky ransomware seen in the wild since early 2017.
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Modifies extensions of user files 1 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exedescription ioc process File opened for modification \??\c:\Users\Admin\Pictures\UndoClose.tiff 0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
msedge.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows\CurrentVersion\Run msedge.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\DesktopOSIRIS.bmp" 0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe -
Drops file in Program Files directory 2 IoCs
Processes:
setup.exedescription ioc process File created C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\d0f62f5e-8bce-438c-827a-61aff699015c.tmp setup.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20220524191251.pma setup.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
msedge.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName msedge.exe -
Modifies Control Panel 2 IoCs
Processes:
0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\Desktop\TileWallpaper = "0" 0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\Desktop\WallpaperStyle = "0" 0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe -
Modifies registry class 1 IoCs
Processes:
msedge.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ msedge.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
msedge.exemsedge.exeidentity_helper.exepid process 2284 msedge.exe 2284 msedge.exe 2508 msedge.exe 2508 msedge.exe 1852 identity_helper.exe 1852 identity_helper.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
Processes:
msedge.exepid process 2508 msedge.exe 2508 msedge.exe 2508 msedge.exe 2508 msedge.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
msedge.exepid process 2508 msedge.exe 2508 msedge.exe 2508 msedge.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exemsedge.exedescription pid process target process PID 4532 wrote to memory of 2508 4532 0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe msedge.exe PID 4532 wrote to memory of 2508 4532 0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe msedge.exe PID 4532 wrote to memory of 3860 4532 0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe cmd.exe PID 4532 wrote to memory of 3860 4532 0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe cmd.exe PID 4532 wrote to memory of 3860 4532 0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe cmd.exe PID 2508 wrote to memory of 2152 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 2152 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 4184 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 2284 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 2284 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 1460 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 1460 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 1460 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 1460 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 1460 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 1460 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 1460 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 1460 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 1460 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 1460 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 1460 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 1460 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 1460 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 1460 2508 msedge.exe msedge.exe PID 2508 wrote to memory of 1460 2508 msedge.exe msedge.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe"C:\Users\Admin\AppData\Local\Temp\0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe"1⤵
- Modifies extensions of user files
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\DesktopOSIRIS.htm2⤵
- Adds Run key to start application
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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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=0xd8,0xfc,0x100,0xb0,0x104,0x7ffe59d146f8,0x7ffe59d14708,0x7ffe59d147183⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2172,7482987925808346983,8675422449358262394,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2180 /prefetch:23⤵
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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=2172,7482987925808346983,8675422449358262394,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2248 /prefetch:33⤵
- Suspicious behavior: EnumeratesProcesses
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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=2172,7482987925808346983,8675422449358262394,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2932 /prefetch:83⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,7482987925808346983,8675422449358262394,131072 --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=3328 /prefetch:13⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,7482987925808346983,8675422449358262394,131072 --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=3900 /prefetch:13⤵
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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=2172,7482987925808346983,8675422449358262394,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5232 /prefetch:83⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,7482987925808346983,8675422449358262394,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5320 /prefetch:13⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,7482987925808346983,8675422449358262394,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5332 /prefetch:13⤵
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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=2172,7482987925808346983,8675422449358262394,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5944 /prefetch:83⤵
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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=2172,7482987925808346983,8675422449358262394,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6148 /prefetch:83⤵
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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-settings3⤵
- Drops file in Program Files directory
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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,0x7ff610c95460,0x7ff610c95470,0x7ff610c954804⤵
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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=2172,7482987925808346983,8675422449358262394,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6148 /prefetch:83⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\cmd.execmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe"2⤵
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s camsvc1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\DesktopOSIRIS.htmFilesize
7KB
MD5dd612244aba7811fbd03718459d539e0
SHA1693e245526fbd38c738e23e5547c81e6362ef4e8
SHA256dd06877ca18039b91f1ec8813672f39b7470471630e657574b2f20d115a296b9
SHA51223622b1bf7fb1c9d70f145fb68f5b75029d2643b95d2f8845b09cd1e7060136c6014de806cc46a8e8eb7dae1221eddfdaf30350edcdb424c17864ca6c7dfd312
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\??\pipe\LOCAL\crashpad_2508_GOVJDNSZAPRGMHERMD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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memory/1036-150-0x0000000000000000-mapping.dmp
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memory/1156-145-0x0000000000000000-mapping.dmp
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memory/1380-157-0x0000000000000000-mapping.dmp
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memory/1460-143-0x0000000000000000-mapping.dmp
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memory/1852-159-0x0000000000000000-mapping.dmp
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memory/2088-158-0x0000000000000000-mapping.dmp
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memory/2152-137-0x0000000000000000-mapping.dmp
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memory/2284-140-0x0000000000000000-mapping.dmp
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memory/2508-135-0x0000000000000000-mapping.dmp
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memory/2784-147-0x0000000000000000-mapping.dmp
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memory/2988-154-0x0000000000000000-mapping.dmp
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memory/3860-136-0x0000000000000000-mapping.dmp
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memory/4172-156-0x0000000000000000-mapping.dmp
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memory/4184-139-0x0000000000000000-mapping.dmp
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memory/4532-131-0x0000000003380000-0x00000000033A5000-memory.dmpFilesize
148KB
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memory/4532-134-0x0000000003340000-0x0000000003367000-memory.dmpFilesize
156KB
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memory/4532-132-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/4980-152-0x0000000000000000-mapping.dmp