Analysis
- max time kernel
144s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
28/03/2024, 03:34
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
s1-d.dll
Resource
win7-20240220-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
s1-d.dll
Resource
win10v2004-20240226-en
12 signatures
150 seconds
General
- Target s1-d.dll
- Size 159KB
- Sample240328-d4vpvsdg6x
- SHA256 f329ea2c754ab196d15c20fbf9abd722fa63630631144c5a409bd2a20172196b
- MD5 7932ee5fa6f83b149569752c47e04b87
- SHA1 6eb115feadc5808507fb5a666dd18aa89a45616c
- SHA512 17ba26e69f7536f5adaa52454fbd407338be61d97bc396baa591de9fa19aab3e539b4ca32059b2ddb1b901ac7ecd341dff9ead706fc0d058086e6b3795642f58
- SSDEEP 3072:pusrpo1j49JvKa0ePbh37E6ZO78buZKxrF:ZQcvKpE37E6nmKhF
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Locky
Ransomware strain released in 2016, with advanced features like anti-analysis.
- Locky (Osiris variant)
Variant of the Locky ransomware seen in the wild since early 2017.
- Blocklisted process makes network request 5 IoCs
flow pid Process 16 1532 rundll32.exe 18 1532 rundll32.exe 26 1532 rundll32.exe 42 1532 rundll32.exe 46 1532 rundll32.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\DesktopOSIRIS.bmp" rundll32.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName msedge.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS msedge.exe - Modifies Control Panel 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\Desktop\WallpaperStyle = "0" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\Desktop\TileWallpaper = "0" rundll32.exe - Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 1056 msedge.exe 1056 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 3132 identity_helper.exe 3132 identity_helper.exe - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
pid Process 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe - Suspicious use of FindShellTrayWindow 25 IoCs
pid Process 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe - Suspicious use of SendNotifyMessage 24 IoCs
pid Process 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe 4648 msedge.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4844 wrote to memory of 1532 4844 rundll32.exe 86 PID 4844 wrote to memory of 1532 4844 rundll32.exe 86 PID 4844 wrote to memory of 1532 4844 rundll32.exe 86 PID 1532 wrote to memory of 4648 1532 rundll32.exe 100 PID 1532 wrote to memory of 4648 1532 rundll32.exe 100 PID 4648 wrote to memory of 4516 4648 msedge.exe 101 PID 4648 wrote to memory of 4516 4648 msedge.exe 101 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 4892 4648 msedge.exe 102 PID 4648 wrote to memory of 1056 4648 msedge.exe 103 PID 4648 wrote to memory of 1056 4648 msedge.exe 103 PID 4648 wrote to memory of 2064 4648 msedge.exe 104 PID 4648 wrote to memory of 2064 4648 msedge.exe 104 PID 4648 wrote to memory of 2064 4648 msedge.exe 104 PID 4648 wrote to memory of 2064 4648 msedge.exe 104 PID 4648 wrote to memory of 2064 4648 msedge.exe 104 PID 4648 wrote to memory of 2064 4648 msedge.exe 104 PID 4648 wrote to memory of 2064 4648 msedge.exe 104 PID 4648 wrote to memory of 2064 4648 msedge.exe 104 PID 4648 wrote to memory of 2064 4648 msedge.exe 104 PID 4648 wrote to memory of 2064 4648 msedge.exe 104 PID 4648 wrote to memory of 2064 4648 msedge.exe 104 PID 4648 wrote to memory of 2064 4648 msedge.exe 104 PID 4648 wrote to memory of 2064 4648 msedge.exe 104 PID 4648 wrote to memory of 2064 4648 msedge.exe 104 PID 4648 wrote to memory of 2064 4648 msedge.exe 104
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\s1-d.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4844 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\s1-d.dll,#12⤵
- Blocklisted process makes network request
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:1532 -
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\DesktopOSIRIS.htm3⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4648 -
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,0x110,0xd8,0x114,0x7fff87cb46f8,0x7fff87cb4708,0x7fff87cb47184⤵PID:4516
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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=2176,8105197493472915727,14368684334941134686,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2192 /prefetch:24⤵PID:4892
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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=2176,8105197493472915727,14368684334941134686,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2260 /prefetch:34⤵
- Suspicious behavior: EnumeratesProcesses
PID:1056
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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=2176,8105197493472915727,14368684334941134686,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2636 /prefetch:84⤵PID:2064
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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=2176,8105197493472915727,14368684334941134686,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3260 /prefetch:14⤵PID:2284
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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=2176,8105197493472915727,14368684334941134686,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3296 /prefetch:14⤵PID:3240
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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=2176,8105197493472915727,14368684334941134686,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5088 /prefetch:84⤵PID:4220
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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=2176,8105197493472915727,14368684334941134686,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5088 /prefetch:84⤵
- Suspicious behavior: EnumeratesProcesses
PID:3132
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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=2176,8105197493472915727,14368684334941134686,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4620 /prefetch:14⤵PID:3448
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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=2176,8105197493472915727,14368684334941134686,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4680 /prefetch:14⤵PID:3772
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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=2176,8105197493472915727,14368684334941134686,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3384 /prefetch:14⤵PID:460
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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=2176,8105197493472915727,14368684334941134686,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3492 /prefetch:14⤵PID:3652
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4836
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1768
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
- Size 152B
- SHA256 4c0224fb7cc26ccf74f5be586f18401db57cce935c767a446659b828a7b5ee60
- MD5 e1b45169ebca0dceadb0f45697799d62
- SHA1 803604277318898e6f5c6fb92270ca83b5609cd5
- SHA512 357965b8d5cfaf773dbd9b371d7e308d1c86a6c428e542adbfe6bac34a7d2061d0a2f59e84e5b42768930e9b109e9e9f2a87e95cf26b3a69cbff05654ee42b4e
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
- Size 152B
- SHA256 3a654b499247e59e34040f3b192a0069e8f3904e2398cbed90e86d981378e8bc
- MD5 9ffb5f81e8eccd0963c46cbfea1abc20
- SHA1 a02a610afd3543de215565bc488a4343bb5c1a59
- SHA512 2d21e18ef3f800e6e43b8cf03639d04510433c04215923f5a96432a8aa361fdda282cd444210150d9dbf8f028825d5bc8a451fd53bd3e0c9528eeb80d6e86597
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
- Size 6KB
- SHA256 301a82e21e13e11a929f0b6d85671bfc48624ad5e42f15e1cb9d9821c4d9fa9c
- MD5 32ab18153154885fee5e0730e4ce6e2f
- SHA1 32851f3e647f290a9455585f01949b6e3ea6a7ad
- SHA512 68b1bec358acce3b401c96e1837bd87e5351f6fcd9ddcd3a024936390641d40dabd6a63f0c83dcd6360e81bffb58910196346b700890d49e97c91bad7fcab89b
- SSDEEP 96:nlkvs1hGR2wpvWMoiVmdeHOHTsEUWQyV+VD7ziEwb:nlkUI2GWMXETJrt
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
- Size 6KB
- SHA256 db9a857c6ebc1249104ff384943bde039b452134df36da8a8b785fb88c77f3d9
- MD5 9e19d42abb50e28a27ce178724a14a51
- SHA1 f96601e5ab506cd01795240d2d15afb45ff2f7fb
- SHA512 8cc7d678be7636aedbf55617834969d1bb1acb626919c761e1052e35305fd14e7115d7bcaa41c34577ed42547efa0817a9f0d639fe0ca2cc278d259247f68865
- SSDEEP 96:nlkGs1hGR2wpvWMoiVmdeHOHTsEUWQyV+VD7AiEwb:nlkDI2GWMXETJrg
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
- Size 16B
- SHA256 0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
- MD5 6752a1d65b201c13b62ea44016eb221f
- SHA1 58ecf154d01a62233ed7fb494ace3c3d4ffce08b
- SHA512 9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
- Size 11KB
- SHA256 2dffff88d538e008c8e98e31e9f62e2021beaf82566200f27091248cb4982116
- MD5 fabf4fcc28cc27640cf0945990317a1a
- SHA1 88af74d40775e8db1bdb6f49ef3b3a3d46fce2af
- SHA512 25f98b0dd0c93f679fba341567e4b0e22e7d8948da77e1f6e8355742e07d9f14e541f719991667244ca9b14c8a5b679f41338c276e5545a86165e43ae81644e9
- SSDEEP 192:YoCL/Pgu90RZj8Sr6FA4ZiIxuERzA83h09RZxAexupie2RU/kybR/znIYWLSDgSM:A9iIxuERzA83h09RZxYc2H/zIDG8GA
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\Music\OSIRIS-10f3.htm
- Size 8KB
- SHA256 2cc208216fbffb892ee9c165e47506418dd2c3d2201e2049aa0ceda745fbc02e
- MD5 be9ade4942981c31a7a0034d8e6253e9
- SHA1 477d375557132ba5228438821e18d8fbcca432d2
- SHA512 58e08cd38c580a876b0559edd805afe5e7db228ab0f33da6cd41e4e6e0ea63957c0c75fffa419d42b4531a5bf5e90432ccaa888bafec19d865614e11c827d2d4
- SSDEEP 48:r0sK9PK9UdU6waruVA4IS95WUbSPyIESsYzpCATXC1xRddl6o+BGpeaYHTj2+CRS:Is0ndUPVDEntjYxlUo+Ta7iryt6
- MD5 SHA1 SHA512 SSDEEP