Analysis Overview
SHA256
2e83048c7ed1193f09ae8d293b42c105662828f2ab56a2fa1f81379ee250fc46
Threat Level: Known bad
The file 2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside was found to be: Known bad.
Malicious Activity Summary
Lockbit family
Rule to detect Lockbit 3.0 ransomware Windows payload
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Deletes itself
Drops desktop.ini file(s)
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-26 10:36
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
2024-02-26 10:36
Reported
2024-02-26 10:39
Platform
win7-20240221-en
Max time kernel
119s
Max time network
123s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside.exe | N/A |
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\2024-02-26_4e39dcfb9913e475f04927e71f38733a_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\2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside.exe | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
| N/A | N/A | C:\ProgramData\B329.tmp | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside.exe"
C:\ProgramData\B329.tmp
"C:\ProgramData\B329.tmp"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\B329.tmp >> NUL
C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x154
Network
Files
memory/1728-0-0x0000000000490000-0x00000000004D0000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-330940541-141609230-1670313778-1000\desktop.ini
| MD5 | 049f85ecc09085b246b4d97555128417 |
| SHA1 | 0b6924e5d57f02673181721245730a8626201a44 |
| SHA256 | d32561302a2520155c986b575f3cfb2084498dc92c22fc839d66a425c36fde1f |
| SHA512 | 5f1cdba285385ce0485fd144e3b6ba5b217c81553146bcc637f4a7da2565b38b550892d9bdb70ad0b6cf6b858e8699c26c9dc54e55835dd12e7cd0dfd4881545 |
F:\$RECYCLE.BIN\S-1-5-21-330940541-141609230-1670313778-1000\DDDDDDDDDDD
| MD5 | b45259f65b1abb1a47c8127a8380a2ff |
| SHA1 | 7d912fa169b989b4e33628dcf692a3a1e81d6bc3 |
| SHA256 | 432932ff30215c288cf963c239f568aa989fa6733cf79adb8d5c9674eae40b59 |
| SHA512 | fbf1b3571204fce4488a2c07bda717f37fe2c08d2232d61a93ddd0ddcc157674d3c498a0a458262253c611ac817fb81602b8d51fabab76724ac0f5bd02e85f5d |
C:\ProgramData\B329.tmp
| MD5 | 294e9f64cb1642dd89229fff0592856b |
| SHA1 | 97b148c27f3da29ba7b18d6aee8a0db9102f47c9 |
| SHA256 | 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2 |
| SHA512 | b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf |
memory/2740-108-0x0000000000400000-0x0000000000407000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
| MD5 | 2cfe5e0d472e866ac0a92b6993450fd2 |
| SHA1 | ce4eb67b6914b4b31ba2817ac28baec2b7154ec3 |
| SHA256 | 63e46cd8fdc1f376b8498ad43eab69ffd0955368415ee4393499a2ec439ccfe3 |
| SHA512 | 8f7069c45b5137cf3c8abe73f997fa73008d58e74b687bfe6443f5102b342b8c081cd2a52177b07968df09cf645fbe48d1035a9a19c57f95b5c779de58f379f9 |
memory/2740-110-0x0000000002260000-0x00000000022A0000-memory.dmp
memory/2740-122-0x000000007EF80000-0x000000007EF81000-memory.dmp
memory/2740-123-0x000000007EF20000-0x000000007EF21000-memory.dmp
memory/2740-126-0x000000007EFA0000-0x000000007EFA1000-memory.dmp
memory/2740-142-0x000000007EF40000-0x000000007EF41000-memory.dmp
memory/2740-143-0x000000007EF60000-0x000000007EF61000-memory.dmp
memory/2740-144-0x0000000000400000-0x0000000000407000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-26 10:36
Reported
2024-02-26 10:39
Platform
win10v2004-20240221-en
Max time kernel
93s
Max time network
126s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1392040655-2056082574-619088944-1000\Control Panel\International\Geo\Nation | C:\ProgramData\4779.tmp | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\$Recycle.Bin\S-1-5-21-1392040655-2056082574-619088944-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside.exe | N/A |
| File opened for modification | F:\$RECYCLE.BIN\S-1-5-21-1392040655-2056082574-619088944-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside.exe | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
| N/A | N/A | C:\ProgramData\4779.tmp | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3560 wrote to memory of 3600 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside.exe | C:\ProgramData\4779.tmp |
| PID 3560 wrote to memory of 3600 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside.exe | C:\ProgramData\4779.tmp |
| PID 3560 wrote to memory of 3600 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside.exe | C:\ProgramData\4779.tmp |
| PID 3560 wrote to memory of 3600 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside.exe | C:\ProgramData\4779.tmp |
| PID 3600 wrote to memory of 4972 | N/A | C:\ProgramData\4779.tmp | C:\Windows\SysWOW64\cmd.exe |
| PID 3600 wrote to memory of 4972 | N/A | C:\ProgramData\4779.tmp | C:\Windows\SysWOW64\cmd.exe |
| PID 3600 wrote to memory of 4972 | N/A | C:\ProgramData\4779.tmp | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-26_4e39dcfb9913e475f04927e71f38733a_darkside.exe"
C:\ProgramData\4779.tmp
"C:\ProgramData\4779.tmp"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\4779.tmp >> NUL
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.177.190.20.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 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/3560-0-0x0000000002E50000-0x0000000002E60000-memory.dmp
memory/3560-1-0x0000000002E50000-0x0000000002E60000-memory.dmp
memory/3560-2-0x0000000002E50000-0x0000000002E60000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-1392040655-2056082574-619088944-1000\desktop.ini
| MD5 | f806f3b58c418373348c6e9d1e83f87c |
| SHA1 | 3abd1f1708bee0d2284a15b204723d51f3991f0a |
| SHA256 | d09cf79643f13c5840866b3abb092be8299c8ed6886a37d902cc5780b8f04d24 |
| SHA512 | 40c4e09c3125e0337d1f9cd209ca0edc59b890b7c1ec25c58977dfd71fd09209342af9d724220175771d932ea1c093a9c358a73bab3428337b5234da52d1836f |
F:\$RECYCLE.BIN\S-1-5-21-1392040655-2056082574-619088944-1000\DDDDDDDDDDD
| MD5 | 90c984d98d9c7b6fa5b33610467d6cda |
| SHA1 | c99f443e2896865c1e7d548564d11c334de311bf |
| SHA256 | 6b7daa8d777762241432236c318c145f7592b032290c31ad0884cd54f7385492 |
| SHA512 | 02f1c786aa9ca47eadbb67a8e0d09d6bfd1a84fb6362d6bd2a374c91fd905262d9715f88643a5bbb7f632cd4f1cb8ba6d546f5923ed17022a83846c168d6ac5e |
F:\tnif8b1Sa.README.txt
| MD5 | c3f1f1406b76280a20beab76871189bc |
| SHA1 | b065841b3f5331712e6672ed22edc023393e667d |
| SHA256 | 85b163be93481e99e3bb328d1a69b200616bdb0afa297ee5f9ee1ae546bdda9a |
| SHA512 | f7a64c57b19faa69d6825f74c175a50aa9da22e94e673d76429724a7ee5cfccdfe60f495b040ea2e97d8ab1ee26d898fd6ba7b6161425cce7d39c39fd57beb19 |
C:\ProgramData\4779.tmp
| MD5 | 294e9f64cb1642dd89229fff0592856b |
| SHA1 | 97b148c27f3da29ba7b18d6aee8a0db9102f47c9 |
| SHA256 | 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2 |
| SHA512 | b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf |
C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
| MD5 | e0145bf828853c7ad1ad9eacf4b76a81 |
| SHA1 | 28645f312430261a65b0f4de135ccfbea2250c33 |
| SHA256 | 991320bd0a144dd65d16469b5a397155210b63db87adc1d82cd768322381a621 |
| SHA512 | 7493e8ad7cb5aa35ea0816884ccc9cbfeae315def501209aab05febae3218cab16c75779ffa126a81cbf21638ff3823621b7ab9972d313ebc65dc90d6b425dd4 |
memory/3600-115-0x0000000002580000-0x0000000002590000-memory.dmp
memory/3600-139-0x0000000002580000-0x0000000002590000-memory.dmp
memory/3600-112-0x000000007FE40000-0x000000007FE41000-memory.dmp
memory/3600-143-0x000000007FE20000-0x000000007FE21000-memory.dmp
memory/3600-145-0x000000007FDE0000-0x000000007FDE1000-memory.dmp
memory/3600-144-0x000000007FDC0000-0x000000007FDC1000-memory.dmp
memory/3600-146-0x000000007FE00000-0x000000007FE01000-memory.dmp