Analysis Overview
SHA256
f0db0d23b83b54d8a565f8e9bd66b4ae7be8b2f8efffc471b6e5ef95298376e8
Threat Level: Known bad
The file 2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside was found to be: Known bad.
Malicious Activity Summary
Rule to detect Lockbit 3.0 ransomware Windows payload
Lockbit family
Renames multiple (621) files with added filename extension
Renames multiple (365) files with added filename extension
Deletes itself
Executes dropped EXE
Reads user/profile data of web browsers
Loads dropped DLL
Drops desktop.ini file(s)
Suspicious use of NtSetInformationThreadHideFromDebugger
Sets desktop wallpaper using registry
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious behavior: EnumeratesProcesses
Modifies Control Panel
Modifies registry class
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-25 22:01
Signatures
Lockbit family
Rule to detect Lockbit 3.0 ransomware Windows payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-25 22:01
Reported
2024-02-25 22:03
Platform
win7-20240221-en
Max time kernel
119s
Max time network
123s
Command Line
Signatures
Renames multiple (365) files with added filename extension
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
Reads user/profile data of web browsers
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\$Recycle.Bin\S-1-5-21-330940541-141609230-1670313778-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
| File opened for modification | F:\$RECYCLE.BIN\S-1-5-21-330940541-141609230-1670313778-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\x6HpDuwdD.bmp" | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\x6HpDuwdD.bmp" | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
Enumerates physical storage devices
Modifies Control Panel
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Control Panel\Desktop | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.x6HpDuwdD | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.x6HpDuwdD\ = "x6HpDuwdD" | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\x6HpDuwdD\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\x6HpDuwdD | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\x6HpDuwdD\DefaultIcon\ = "C:\\ProgramData\\x6HpDuwdD.ico" | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
| N/A | N/A | C:\ProgramData\C938.tmp | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe"
C:\ProgramData\C938.tmp
"C:\ProgramData\C938.tmp"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\C938.tmp >> NUL
C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x154
Network
Files
memory/2224-0-0x0000000002250000-0x0000000002290000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-330940541-141609230-1670313778-1000\desktop.ini
| MD5 | 183220098b03d543b7f2b029e63b5077 |
| SHA1 | 17c7fd4e928f4b3c99d3639f7a4fd5f57762c5c3 |
| SHA256 | dfb7ddf626b419061c08929f919a4bc535a595d4b353f52118a11d9bf202ecb6 |
| SHA512 | 80cdab609b10d1b443a76354d53137df22740bba0d4818bec98edc4dd10efbe6c2a5be91aec86f03115f6d9da0ea6959af92cfca32b571b5c7ae08e12e89e2cd |
C:\x6HpDuwdD.README.txt
| MD5 | fdf364df492669311826571aba21c121 |
| SHA1 | d09bf45b9d55fe900b59bc6c73df6d7d254d8936 |
| SHA256 | 09b46d04e367c849c8b859f67120f98ee5b3a09eeff2d0c67fddf53c670e3d2f |
| SHA512 | 597fd1bc23f5d3996709c0393ece12b5cc30759129ccc4495d9092ff2f41e2c430dcd3667e9528830b19deb1b61f29781b8f3a77787038bc93d55a004c221db6 |
F:\$RECYCLE.BIN\S-1-5-21-330940541-141609230-1670313778-1000\AAAAAAAAAAA
| MD5 | bd59542b155892a09ebbf46fd6bba377 |
| SHA1 | e4f409f07d5188e769459b7eef951a3a82783fba |
| SHA256 | 7350f29eb05bb5c059136cdb9e7284a98d7bf7bcca9380d7a62158bc0fd23900 |
| SHA512 | 0378ad0eb15859a9e15e016beff6fa8357a53a1ed43278c68ef0bf39ed538baa3d629548d9e0583eedf30360743cd664b8af25b0bfc4d6bcb427369eb7055a90 |
\ProgramData\C938.tmp
| MD5 | 294e9f64cb1642dd89229fff0592856b |
| SHA1 | 97b148c27f3da29ba7b18d6aee8a0db9102f47c9 |
| SHA256 | 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2 |
| SHA512 | b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf |
memory/2808-883-0x000000007EFA0000-0x000000007EFA1000-memory.dmp
memory/2808-884-0x0000000000250000-0x0000000000290000-memory.dmp
memory/2808-902-0x000000007EF20000-0x000000007EF21000-memory.dmp
memory/2808-900-0x000000007EF80000-0x000000007EF81000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK
| MD5 | 35d7770f7f58b675b1bab2a3cc790148 |
| SHA1 | aeee958b1e168386a822c4ca88fc6f51ceff9940 |
| SHA256 | 1db29ee585fb277079a2674faadeed1b74f1bea70051b0751800cae7981f2447 |
| SHA512 | 7ad21014c17f34d8d450c5082f4cb2a0fd461b782fd7f9379f6c2136b0ae41defa41e121f2878306f6fb23e6044d1e76a535746ac4fab3d7414d653feaa603d1 |
memory/2808-915-0x000000007EF40000-0x000000007EF41000-memory.dmp
memory/2808-916-0x000000007EF60000-0x000000007EF61000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-25 22:01
Reported
2024-02-25 22:03
Platform
win10v2004-20240221-en
Max time kernel
151s
Max time network
155s
Command Line
Signatures
Renames multiple (621) files with added filename extension
Reads user/profile data of web browsers
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\$Recycle.Bin\S-1-5-21-3538781373-1545967067-4263767959-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
| File opened for modification | F:\$RECYCLE.BIN\S-1-5-21-3538781373-1545967067-4263767959-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.x6HpDuwdD | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.x6HpDuwdD\ = "x6HpDuwdD" | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\x6HpDuwdD\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\x6HpDuwdD | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\x6HpDuwdD\DefaultIcon\ = "C:\\ProgramData\\x6HpDuwdD.ico" | C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Processes
C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-25_e6c711e9e99daf9d4b2bd783a41f4c46_darkside.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 182.178.17.96.in-addr.arpa | udp |
Files
memory/1148-0-0x0000000003260000-0x0000000003270000-memory.dmp
memory/1148-1-0x0000000003260000-0x0000000003270000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-3538781373-1545967067-4263767959-1000\CCCCCCCCCCC
| MD5 | cf41c21117c03c8b521c4e6f6496a31f |
| SHA1 | 65d6994d4a338536936b515e7b2c13a1132d6564 |
| SHA256 | 7aedcffc6898f13d79ed919f20bc1471b4cda8d9abb8b45a1905ebc742d4c1e1 |
| SHA512 | a41cf246b74ffce768435f3d22aee108cb4c247195009e0199489a297bf3d05c4ee4d16861a838f79dbc94fabdf5e34722c4b094560d4f4c4334ffe8297f8891 |
F:\$RECYCLE.BIN\S-1-5-21-3538781373-1545967067-4263767959-1000\DDDDDDDDDDD
| MD5 | 9e3a0b4ba9e9673d89ce5bbcae6c19d2 |
| SHA1 | f1491e1d143e8d8c7e5ac77ad181fa1aa7c3700d |
| SHA256 | 067c6889c26e2d603381bebf05aaf94e3da57d5062cd1b4b86c8557a2fffd6d5 |
| SHA512 | 5fe7b10ebc3ef37c9f8fee6e9977987289529e3fba0c70c8cd867b0a43800bd0ccae12cb3a6aa1b79aee74fcaba61f4b2b2ec8d57f3ef83500d60c0ee1afe58e |
C:\x6HpDuwdD.README.txt
| MD5 | e942fb3da92ac2d090bd188c366bd441 |
| SHA1 | 3d10eb01c1481ddda35b23d848c7644f21f05903 |
| SHA256 | 9b62dc47739418db5590fbdeb5fe36584fa7d52d1f1e126c29e8e1420225e315 |
| SHA512 | d9b16301d77755727c19b0413bc2be7328d4865ea3e5f8d8a436c99f99032190c5b8c2b5cac6bd7722617ad870078b1534451f39ed5770ec5fe79e01590e0eef |
memory/1148-2618-0x0000000003260000-0x0000000003270000-memory.dmp
memory/1148-2619-0x0000000003260000-0x0000000003270000-memory.dmp
memory/1148-2620-0x0000000003260000-0x0000000003270000-memory.dmp