Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
24-06-2022 13:30
Static task
static1
Behavioral task
behavioral1
Sample
21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe
Resource
win10v2004-20220414-en
General
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Target
21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe
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Size
372KB
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MD5
e3b3e285390c0e2f7d04bd040bec790d
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SHA1
dbee71535e9f1fb23b3f01e25989d22d51237e68
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SHA256
21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6
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SHA512
6156a6b0ff4f41c823cba68a4596676e357ceb5b8c0848c2828a72321dbc2a731d9ae8f1a417fe27aef7de0080001ad3f77b3809b64a93c610ae99f95b35f5be
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 2 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exedescription ioc process File opened for modification \??\c:\Users\Admin\Pictures\LockUninstall.tiff 21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe File opened for modification \??\c:\Users\Admin\Pictures\ProtectCheckpoint.tiff 21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
msedge.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows\CurrentVersion\Run msedge.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\DesktopOSIRIS.bmp" 21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe -
Drops file in Program Files directory 2 IoCs
Processes:
setup.exedescription ioc process File created C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\fa8b5a5e-36fc-4b56-9dba-3a7927e7b0ff.tmp setup.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20220624153149.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:
21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\Desktop\WallpaperStyle = "0" 21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\Desktop\TileWallpaper = "0" 21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.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 4572 msedge.exe 4572 msedge.exe 3732 msedge.exe 3732 msedge.exe 1620 identity_helper.exe 1620 identity_helper.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exepid process 924 21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
Processes:
msedge.exepid process 3732 msedge.exe 3732 msedge.exe 3732 msedge.exe 3732 msedge.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
msedge.exepid process 3732 msedge.exe 3732 msedge.exe 3732 msedge.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exemsedge.exedescription pid process target process PID 924 wrote to memory of 3732 924 21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe msedge.exe PID 924 wrote to memory of 3732 924 21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe msedge.exe PID 924 wrote to memory of 3236 924 21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe cmd.exe PID 924 wrote to memory of 3236 924 21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe cmd.exe PID 924 wrote to memory of 3236 924 21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe cmd.exe PID 3732 wrote to memory of 1152 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 1152 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4208 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4572 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4572 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4440 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4440 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4440 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4440 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4440 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4440 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4440 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4440 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4440 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4440 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4440 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4440 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4440 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4440 3732 msedge.exe msedge.exe PID 3732 wrote to memory of 4440 3732 msedge.exe msedge.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe"C:\Users\Admin\AppData\Local\Temp\21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe"1⤵
- Modifies extensions of user files
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:924 -
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
PID:3732 -
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=0xf8,0xfc,0x100,0xd8,0x104,0x7ff9dd2446f8,0x7ff9dd244708,0x7ff9dd2447183⤵PID:1152
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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=2156,6662728614984798268,10868629979985249264,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2168 /prefetch:23⤵PID:4208
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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=2156,6662728614984798268,10868629979985249264,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2276 /prefetch:33⤵
- Suspicious behavior: EnumeratesProcesses
PID:4572
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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=2156,6662728614984798268,10868629979985249264,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2692 /prefetch:83⤵PID:4440
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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=2156,6662728614984798268,10868629979985249264,131072 --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=3888 /prefetch:13⤵PID:4980
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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=2156,6662728614984798268,10868629979985249264,131072 --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=3908 /prefetch:13⤵PID:1812
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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=2156,6662728614984798268,10868629979985249264,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5220 /prefetch:83⤵PID:3660
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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=2156,6662728614984798268,10868629979985249264,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5436 /prefetch:83⤵PID:1628
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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=2156,6662728614984798268,10868629979985249264,131072 --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=4420 /prefetch:13⤵PID:4852
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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=2156,6662728614984798268,10868629979985249264,131072 --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=5488 /prefetch:13⤵PID:3648
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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=2156,6662728614984798268,10868629979985249264,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3888 /prefetch:83⤵PID:1968
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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
PID:4120 -
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=0x110,0x10c,0x104,0xd4,0x108,0x7ff7c16f5460,0x7ff7c16f5470,0x7ff7c16f54804⤵PID:3580
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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=2156,6662728614984798268,10868629979985249264,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3888 /prefetch:83⤵
- Suspicious behavior: EnumeratesProcesses
PID:1620
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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=unzip.mojom.Unzipper --field-trial-handle=2156,6662728614984798268,10868629979985249264,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3172 /prefetch:83⤵PID:1568
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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=unzip.mojom.Unzipper --field-trial-handle=2156,6662728614984798268,10868629979985249264,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1908 /prefetch:83⤵PID:656
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C:\Windows\SysWOW64\cmd.execmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe"2⤵PID:3236
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4348
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
8KB
MD5c4c1ded351db1e45d27809a91d6c5ba3
SHA1a9f4a9c0a2f8a94bd04ca518f6d8898f12e00fea
SHA2561c3e41954b1dbca8ffb002f97c7e3e960db36b1abc6aef1de1a0c65744a49d6a
SHA512bbe9e5dad4334c3f77dbc2e9669daf4b879a7f9733b20a6efe4ed1498e36897e4eebb939f04a3f759b473570fee11fccfdc91311e002d0f24e6bcc6369684d42
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e