Analysis Overview
SHA256
2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9
Threat Level: Known bad
The file 2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9 was found to be: Known bad.
Malicious Activity Summary
Rule to detect Lockbit 3.0 ransomware Windows payload
Lockbit family
Lockbit
Deletes itself
Loads dropped DLL
Executes dropped EXE
Drops desktop.ini file(s)
Sets desktop wallpaper using registry
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Modifies Control Panel
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-14 04:08
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
2024-03-14 04:08
Reported
2024-03-14 04:11
Platform
win7-20240221-en
Max time kernel
119s
Max time network
127s
Command Line
Signatures
Lockbit
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\$Recycle.Bin\S-1-5-21-2297530677-1229052932-2803917579-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
| File opened for modification | F:\$RECYCLE.BIN\S-1-5-21-2297530677-1229052932-2803917579-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\sdBuuG2px.bmp" | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\sdBuuG2px.bmp" | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
Enumerates physical storage devices
Modifies Control Panel
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Control Panel\Desktop | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.sdBuuG2px | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.sdBuuG2px\ = "sdBuuG2px" | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\sdBuuG2px\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\sdBuuG2px | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\sdBuuG2px\DefaultIcon\ = "C:\\ProgramData\\sdBuuG2px.ico" | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
| N/A | N/A | C:\ProgramData\366C.tmp | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe
"C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe"
C:\ProgramData\366C.tmp
"C:\ProgramData\366C.tmp"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\366C.tmp >> NUL
C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x14c
Network
Files
memory/2872-0-0x00000000020F0000-0x0000000002130000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-2297530677-1229052932-2803917579-1000\desktop.ini
| MD5 | fa555f3227f58aacf167dfa866125eef |
| SHA1 | 12682ee9b2f8f73bacc882b46476622595a6b9ff |
| SHA256 | 0f2eb0339afc87aeda971c74b28021605bb56d3ddc8e8141de3c09d083da5fef |
| SHA512 | 486fbc31ee0ef96d2d9fc258cfeb0dfee45307ddc455a605286191259ab543b15cdd6057cd2e79009f33b45748272cf9455b82d43bb1e98e9a2fb90b3ff30099 |
F:\$RECYCLE.BIN\S-1-5-21-2297530677-1229052932-2803917579-1000\DDDDDDDDDDD
| MD5 | 65ec569edb20eced64d370533d15c5ee |
| SHA1 | 6457f7804f71157fca14d7994b2db1ee29479ab4 |
| SHA256 | edf050b36c2ebfadf03a3d99fff6726867c989d2556f3808ce88271989456d9d |
| SHA512 | 3e89a5fc9582847798bd6f6fd7cad714740ef73c731c18e47e4c85250105c68870067da3f09701247fc1d64edde3d510d1e88e836a0ed692c2847c4f9730f7bf |
C:\Users\sdBuuG2px.README.txt
| MD5 | d4cfa0c2eba7e16cd40a9626b97f943a |
| SHA1 | 653cf80e99cee5a6540dd6009ea72917be80541a |
| SHA256 | a495bf2b826491546e2db1a86cb8e06f632efcc330fbc12610d647638dc8357a |
| SHA512 | 082d45dafabfef829414356bfc57715a840dec860d60f6c021dcdb367c177124a3e63e87c3b6169a813773cbe86e6fa4f0a416114c97ef91fc688611cab6885a |
\ProgramData\366C.tmp
| MD5 | 294e9f64cb1642dd89229fff0592856b |
| SHA1 | 97b148c27f3da29ba7b18d6aee8a0db9102f47c9 |
| SHA256 | 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2 |
| SHA512 | b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf |
memory/2364-298-0x000000007EFA0000-0x000000007EFA1000-memory.dmp
memory/2364-299-0x0000000002060000-0x00000000020A0000-memory.dmp
memory/2364-301-0x000000007EF80000-0x000000007EF81000-memory.dmp
memory/2364-302-0x000000007EF20000-0x000000007EF21000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
| MD5 | 117ca621e50e4d3a61be5e2f93d853b9 |
| SHA1 | 0c31007fd0ed09a03a7dbcee58bfe10449249deb |
| SHA256 | e52400257215aebb924d1d0da2f6cda181bdaabc0e15b05a1f76d41717e5b555 |
| SHA512 | 2d5b49e5b29aa10143183844b3f5e3efa7b3caddf61cab380d84550a28f7a965b06abf62beb15bbe2d0e800751500297c2cbec25b5aa2d027d9cd40e2b149ec2 |
memory/2364-332-0x000000007EF40000-0x000000007EF41000-memory.dmp
memory/2364-333-0x000000007EF60000-0x000000007EF61000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-14 04:08
Reported
2024-03-14 04:11
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
145s
Command Line
Signatures
Lockbit
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\$Recycle.Bin\S-1-5-21-1904519900-954640453-4250331663-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
| File opened for modification | F:\$RECYCLE.BIN\S-1-5-21-1904519900-954640453-4250331663-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\spool\PRINTERS\PPapk3p1ey4yy07n77a80tsok0d.TMP | C:\Windows\system32\printfilterpipelinesvc.exe | N/A |
| File created | C:\Windows\system32\spool\PRINTERS\PPs_es50ixnbpa6phjd_z3yn9xc.TMP | C:\Windows\system32\printfilterpipelinesvc.exe | N/A |
| File created | C:\Windows\system32\spool\PRINTERS\PPjf0t6ghxs8fdktvp9t3sc_00.TMP | C:\Windows\system32\printfilterpipelinesvc.exe | N/A |
| File created | C:\Windows\system32\spool\PRINTERS\00002.SPL | C:\Windows\splwow64.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\sdBuuG2px\DefaultIcon\ = "C:\\ProgramData\\sdBuuG2px.ico" | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.sdBuuG2px | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.sdBuuG2px\ = "sdBuuG2px" | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\sdBuuG2px\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\sdBuuG2px | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3764 wrote to memory of 5540 | N/A | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | C:\Windows\splwow64.exe |
| PID 3764 wrote to memory of 5540 | N/A | C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe | C:\Windows\splwow64.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe
"C:\Users\Admin\AppData\Local\Temp\2e218735fa53e036659ea721bfd7b97e2af67b7eda648e9e2579356eb20899d9.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2280,i,8281149332300504990,9122875031903898779,262144 --variations-seed-version /prefetch:8
C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
C:\Windows\system32\printfilterpipelinesvc.exe
C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
Network
| Country | Destination | Domain | Proto |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
Files
memory/3764-0-0x0000000002C20000-0x0000000002C30000-memory.dmp
memory/3764-1-0x0000000002C20000-0x0000000002C30000-memory.dmp
memory/3764-2-0x0000000002C20000-0x0000000002C30000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-1904519900-954640453-4250331663-1000\UUUUUUUUUUU
| MD5 | 8a2d9da2d36ebcc33f5c37811bdfd53c |
| SHA1 | 8760220a2397edc6dac291453a8420b187eee058 |
| SHA256 | 54e8cf903df6e00681872db38a631edf8c87f8326ca46ed08e22e707f1eed797 |
| SHA512 | 7999b5dfc0eba28ce8a84da28873b257c6e6a8dfdf88ffe713c2db169fa141e2ee19d9c431de2534bf34bd26d117d88463b19b418519176b260344a69858d12a |
C:\Users\sdBuuG2px.README.txt
| MD5 | 5991641ad00ab27343a77f8adbf722dc |
| SHA1 | 2ffab821889ce5d1c05b4c6335015b14662e7fc4 |
| SHA256 | 201960e9fbfb8ed5dde5128736bb27a4b83645529d5776e55c15118c13263886 |
| SHA512 | ecbf39fb35e2032b1633ba3980befcacf6ff6041817ceaf3c1bfd62ee32c7683fcfcf4acafb49532c6aaeca84cde5cfc98c70d9b9e556dca3624769e8a6ae482 |
F:\$RECYCLE.BIN\S-1-5-21-1904519900-954640453-4250331663-1000\DDDDDDDDDDD
| MD5 | d60c0d778ce0a11b6a0f2a2454a1f3d1 |
| SHA1 | decc4259b2383065c7aa675ffe98e7216d69f42d |
| SHA256 | 402d44fd4414ae5d9cfddb375bbcd7db6dd18a9cb724f55edab0a0e750ce346f |
| SHA512 | 91372b3e4e7caecd7b0b01d57ce6dd858588c70eca5a8f16c1871e556c3265eafdc9279ae6af226d98c6f8520f2a7a3c26053b110471fa181ec4b2c6940aeff1 |
memory/3764-304-0x0000000002C20000-0x0000000002C30000-memory.dmp
memory/3764-305-0x0000000002C20000-0x0000000002C30000-memory.dmp
memory/3764-306-0x0000000002C20000-0x0000000002C30000-memory.dmp