Analysis Overview
SHA256
6cc510a772d7718c95216eb56a84a96201241b264755f28875e685f06e95e1a2
Threat Level: Known bad
The file 6cc510a772d7718c95216eb56a84a96201241b264755f28875e685f06e95e1a2 was found to be: Known bad.
Malicious Activity Summary
Avoslocker Ransomware
Renames multiple (174) files with added filename extension
Renames multiple (192) files with added filename extension
Unsigned PE
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 09:24
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 09:24
Reported
2024-04-07 09:27
Platform
win7-20240221-en
Max time kernel
122s
Max time network
126s
Command Line
Signatures
Avoslocker Ransomware
Renames multiple (192) files with added filename extension
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6cc510a772d7718c95216eb56a84a96201241b264755f28875e685f06e95e1a2.exe
"C:\Users\Admin\AppData\Local\Temp\6cc510a772d7718c95216eb56a84a96201241b264755f28875e685f06e95e1a2.exe"
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6d49758,0x7fef6d49768,0x7fef6d49778
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1164 --field-trial-handle=1392,i,10009515224651341328,18138022025760624316,131072 /prefetch:2
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1032 --field-trial-handle=1392,i,10009515224651341328,18138022025760624316,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1616 --field-trial-handle=1392,i,10009515224651341328,18138022025760624316,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2272 --field-trial-handle=1392,i,10009515224651341328,18138022025760624316,131072 /prefetch:1
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2280 --field-trial-handle=1392,i,10009515224651341328,18138022025760624316,131072 /prefetch:1
C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1160 --field-trial-handle=1392,i,10009515224651341328,18138022025760624316,131072 /prefetch:2
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=3324 --field-trial-handle=1392,i,10009515224651341328,18138022025760624316,131072 /prefetch:1
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3572 --field-trial-handle=1392,i,10009515224651341328,18138022025760624316,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3704 --field-trial-handle=1392,i,10009515224651341328,18138022025760624316,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3716 --field-trial-handle=1392,i,10009515224651341328,18138022025760624316,131072 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.google.com | udp |
| DE | 172.217.16.196:443 | www.google.com | tcp |
| US | 8.8.8.8:53 | apis.google.com | udp |
| DE | 142.250.186.110:443 | apis.google.com | tcp |
| N/A | 224.0.0.251:5353 | udp |
Files
F:\$RECYCLE.BIN\GET_YOUR_FILES_BACK.txt
| MD5 | 651c844ad8ffea0473fc70cc13ff2e47 |
| SHA1 | f904db3a0e77df893d39cb41fe4297589db82459 |
| SHA256 | f55ec710e56442344196f3612207118d89f877a79a6f8028db520631ace0fa0b |
| SHA512 | 91ca8247d673d8381ca5edc394e86956844218ae291e20480817a5a93ae6e4573af419e3d571815030a375de16e85fd5ec7693331aa6753fe07b88e15701fcae |
\??\pipe\crashpad_2140_BVYVDYPYTSPJHYCZ
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1
| MD5 | f50f89a0a91564d0b8a211f8921aa7de |
| SHA1 | 112403a17dd69d5b9018b8cede023cb3b54eab7d |
| SHA256 | b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec |
| SHA512 | bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extension State\000007.dbtmp
| MD5 | 18e723571b00fb1694a3bad6c78e4054 |
| SHA1 | afcc0ef32d46fe59e0483f9a3c891d3034d12f32 |
| SHA256 | 8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa |
| SHA512 | 43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
| MD5 | e8f82e147bbe690c45ca06f92aa3c7f0 |
| SHA1 | f17b7fb9886e936654672fed38b7c4bd3a04a76a |
| SHA256 | c1dec31c02e5c8a6d16fc33bf919c1a6a068bf66ad6427d648d62c49072f8729 |
| SHA512 | 9e0976edf93c5b61d9affe8cec4e7728e23a9660f483a4274a79ad191d8b632901d2f9d01445cb4b730b586c4e84afff50d660707c4fb7c19a25702b5a25aaf6 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
| MD5 | 207e9ee8ca99c51071b02c7e27291f81 |
| SHA1 | 9e3a6f28e716b96337546a6f9ffac511d63b05c2 |
| SHA256 | 91d2baae8688c742f3b9815570481ba8deb6dd1e17b86af689f094bc08e63dd1 |
| SHA512 | d7488b30b63f648bde7ca2ca5440dc36b6f05be4b69514e69a2db07657a777af6a8629dc378aa95807097840d9d1e7e22d420e53ca4d25991b94632f4f1bc6b7 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
| MD5 | 2ab2f038765056b520c3f28643fa469e |
| SHA1 | 213c7ce2e93b75d931a8f5877a826b76e9401ca2 |
| SHA256 | 36b36602464a871261298d74a35d2d579d6b540c9745fec06da9e778e3cc2b2a |
| SHA512 | 288000a33ffa3d6075df0ca23eb55fb37dd71d55a16087245dd1fb5218b7817c29ff31547c459d6c500d16af6f4dbc4a3a53bb3147f7c10096f92e6a10d816d5 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\0772df39-5661-453d-9e80-021f215e9042.tmp
| MD5 | a359c1c9508c2e8d96d99fcc91fcbbe6 |
| SHA1 | 0c41deba60d933951e1314737d63449979c3cd02 |
| SHA256 | b447b8b72b7840c22dd85e838081b01acd45e50bd70088be8bccc7f5c7dfd0ae |
| SHA512 | 57e1554e40d29422293c5383af9aec5dbacf9cdd6916fcd1563a32f329cdd519264f3f827a4582c426700a4438ecaa59600f05c1ee2b852f4df4446705ed83c6 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 09:24
Reported
2024-04-07 09:27
Platform
win10v2004-20231215-en
Max time kernel
91s
Max time network
152s
Command Line
Signatures
Avoslocker Ransomware
Renames multiple (174) files with added filename extension
Processes
C:\Users\Admin\AppData\Local\Temp\6cc510a772d7718c95216eb56a84a96201241b264755f28875e685f06e95e1a2.exe
"C:\Users\Admin\AppData\Local\Temp\6cc510a772d7718c95216eb56a84a96201241b264755f28875e685f06e95e1a2.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 216.203.100.95.in-addr.arpa | udp |
Files
F:\$RECYCLE.BIN\GET_YOUR_FILES_BACK.txt
| MD5 | 651c844ad8ffea0473fc70cc13ff2e47 |
| SHA1 | f904db3a0e77df893d39cb41fe4297589db82459 |
| SHA256 | f55ec710e56442344196f3612207118d89f877a79a6f8028db520631ace0fa0b |
| SHA512 | 91ca8247d673d8381ca5edc394e86956844218ae291e20480817a5a93ae6e4573af419e3d571815030a375de16e85fd5ec7693331aa6753fe07b88e15701fcae |