Analysis Overview
SHA256
e4e6567b1861ca066a60c3257baaa5ef495694ca66b87647b36008500c935bcd
Threat Level: Known bad
The file 2024-02-27_9b7027b10ee698c1588def9cbcdb03d8_darkside was found to be: Known bad.
Malicious Activity Summary
Lockbit family
Rule to detect Lockbit 3.0 ransomware Windows payload
Renames multiple (337) files with added filename extension
Renames multiple (593) files with added filename extension
Checks computer location settings
Reads user/profile data of web browsers
Executes dropped EXE
Deletes itself
Loads dropped DLL
Drops desktop.ini file(s)
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-27 13:49
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
2024-02-27 13:49
Reported
2024-02-27 13:52
Platform
win7-20240221-en
Max time kernel
122s
Max time network
126s
Command Line
Signatures
Renames multiple (337) files with added filename extension
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-27_9b7027b10ee698c1588def9cbcdb03d8_darkside.exe | N/A |
Reads user/profile data of web browsers
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | F:\$RECYCLE.BIN\S-1-5-21-778096762-2241304387-192235952-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-02-27_9b7027b10ee698c1588def9cbcdb03d8_darkside.exe | N/A |
| File opened for modification | C:\$Recycle.Bin\S-1-5-21-778096762-2241304387-192235952-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-02-27_9b7027b10ee698c1588def9cbcdb03d8_darkside.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
| N/A | N/A | C:\ProgramData\E485.tmp | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2024-02-27_9b7027b10ee698c1588def9cbcdb03d8_darkside.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-27_9b7027b10ee698c1588def9cbcdb03d8_darkside.exe"
C:\ProgramData\E485.tmp
"C:\ProgramData\E485.tmp"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\E485.tmp >> NUL
C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x158
Network
Files
memory/2772-0-0x0000000000330000-0x0000000000370000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-778096762-2241304387-192235952-1000\desktop.ini
| MD5 | 068436048c9ccf20512498d7c27cd6c7 |
| SHA1 | ea8c758ad7ebd28f5b4a098996b7ef2be4b457e2 |
| SHA256 | df3a0f302ea5a23f1a3e6347ae87419c6d9b2525985b20075190a5c22d165f07 |
| SHA512 | 7a7c8ff6ec15e8563d9335181c90b59e89ae79ac06d728d8ad653e549f3fb520cfb706c4f64ab6d1e307bc7a0bb2874d5e0a2ec318e4fc7730693e4d4f3a3ae7 |
C:\iBUgUvnWk.README.txt
| MD5 | 7c3d34a06bb11ab8383e8afa4c60434d |
| SHA1 | f87e16c6e6d36e70f436228aa3244dfb76f7fc2c |
| SHA256 | 2639d017985bafc4a1b213f5b9cf9409a16bc4b01ece1952bc4360a03bf3066a |
| SHA512 | 7969f6b2b9b5586fedbda52b895704fe2ba31bf7914a04dea790d2787326c66cfb644baf4c913adad22929d4a1e1f3e5d17fc369672f411d857aa456c3ab57bb |
F:\$RECYCLE.BIN\S-1-5-21-778096762-2241304387-192235952-1000\DDDDDDDDDDD
| MD5 | 30696b6d0b7ea4ba76a834bcdc648190 |
| SHA1 | 2891aa539f2266d6028ae4b9f1bd28738517e7ea |
| SHA256 | c02376b33af5bb4566dd1245b9e47d6b3b418ac8bba1756f1a4ea4191fca031a |
| SHA512 | 4b701abf6d3ef57a22424416151ea40f5bf489b5e8ca9826d7f99b8f26c0b5232e5463569d7d99ca76459a820813861c4eb86e696a81ea35913d377fcde3b202 |
\ProgramData\E485.tmp
| MD5 | 294e9f64cb1642dd89229fff0592856b |
| SHA1 | 97b148c27f3da29ba7b18d6aee8a0db9102f47c9 |
| SHA256 | 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2 |
| SHA512 | b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf |
memory/1032-852-0x000000007EFA0000-0x000000007EFA1000-memory.dmp
memory/1032-854-0x0000000000230000-0x0000000000270000-memory.dmp
memory/1032-870-0x000000007EF80000-0x000000007EF81000-memory.dmp
memory/1032-871-0x000000007EF20000-0x000000007EF21000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
| MD5 | a6987584fd9ea50e2e6e0efd0c455a2d |
| SHA1 | 92c39252dac5919773bdd1617a52a7cbf3be5d41 |
| SHA256 | 7fe2765dd9ec71518ad9a7fbe4d20e2a3bd341110f7ae56210d9f406e14c958e |
| SHA512 | 48a0cdba221f13d263a7c37e119980f1391285812cda3e8f90637a1e7ade227f8cab663ded73998f7839d9e218bf7143e6b602bc59224d0d5c1ff1775c76b805 |
memory/1032-884-0x000000007EF40000-0x000000007EF41000-memory.dmp
memory/1032-885-0x000000007EF60000-0x000000007EF61000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-27 13:49
Reported
2024-02-27 13:52
Platform
win10v2004-20240226-en
Max time kernel
147s
Max time network
152s
Command Line
Signatures
Renames multiple (593) files with added filename extension
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation | C:\ProgramData\B7A7.tmp | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\B7A7.tmp | 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-1-5-21-3045580317-3728985860-206385570-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-02-27_9b7027b10ee698c1588def9cbcdb03d8_darkside.exe | N/A |
| File opened for modification | F:\$RECYCLE.BIN\S-1-5-21-3045580317-3728985860-206385570-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-02-27_9b7027b10ee698c1588def9cbcdb03d8_darkside.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
| N/A | N/A | C:\ProgramData\B7A7.tmp | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4644 wrote to memory of 3344 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-27_9b7027b10ee698c1588def9cbcdb03d8_darkside.exe | C:\ProgramData\B7A7.tmp |
| PID 4644 wrote to memory of 3344 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-27_9b7027b10ee698c1588def9cbcdb03d8_darkside.exe | C:\ProgramData\B7A7.tmp |
| PID 4644 wrote to memory of 3344 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-27_9b7027b10ee698c1588def9cbcdb03d8_darkside.exe | C:\ProgramData\B7A7.tmp |
| PID 4644 wrote to memory of 3344 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-02-27_9b7027b10ee698c1588def9cbcdb03d8_darkside.exe | C:\ProgramData\B7A7.tmp |
| PID 3344 wrote to memory of 3184 | N/A | C:\ProgramData\B7A7.tmp | C:\Windows\SysWOW64\cmd.exe |
| PID 3344 wrote to memory of 3184 | N/A | C:\ProgramData\B7A7.tmp | C:\Windows\SysWOW64\cmd.exe |
| PID 3344 wrote to memory of 3184 | N/A | C:\ProgramData\B7A7.tmp | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-02-27_9b7027b10ee698c1588def9cbcdb03d8_darkside.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-27_9b7027b10ee698c1588def9cbcdb03d8_darkside.exe"
C:\ProgramData\B7A7.tmp
"C:\ProgramData\B7A7.tmp"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\B7A7.tmp >> NUL
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 41.110.16.96.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 | 4.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 179.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 234.17.178.52.in-addr.arpa | udp |
Files
memory/4644-0-0x0000000003210000-0x0000000003220000-memory.dmp
memory/4644-1-0x0000000003210000-0x0000000003220000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-3045580317-3728985860-206385570-1000\desktop.ini
| MD5 | 0c7d65178d618726eda926ca21c7658a |
| SHA1 | bbb9aaafbade5373137c9be3b7a719728cb08311 |
| SHA256 | f622a96652add16624ab4f0f7b7b22d7c96f3d90c04605f9d34c0a70568bf83b |
| SHA512 | 684451963ffeb74fecee2994b65e35dd2eb7609434d07d410a638a44d1254c9c9c0fffd87d66bbf901c22229d49a49317d8ec5b092b8a62e386296b4f75277eb |
F:\$RECYCLE.BIN\S-1-5-21-3045580317-3728985860-206385570-1000\DDDDDDDDDDD
| MD5 | 45d72b27d6576c1663e4620054d7edeb |
| SHA1 | 24ac4e284ca3cb295c7791e40c962a69a1b59fdc |
| SHA256 | cb60d0a53139ff7d69f09fd98391a62791c3008f117af32a6d425b0eeb266ea9 |
| SHA512 | 29b5176cc6f0bcd45cf1be90de38acac7a967c7ae4894eabfaffab526b2db4e8157e11957e8aebcc68570c9c3eaad32e245967110aa9b1de68c9efb9d6ec419c |
C:\iBUgUvnWk.README.txt
| MD5 | 7c3d34a06bb11ab8383e8afa4c60434d |
| SHA1 | f87e16c6e6d36e70f436228aa3244dfb76f7fc2c |
| SHA256 | 2639d017985bafc4a1b213f5b9cf9409a16bc4b01ece1952bc4360a03bf3066a |
| SHA512 | 7969f6b2b9b5586fedbda52b895704fe2ba31bf7914a04dea790d2787326c66cfb644baf4c913adad22929d4a1e1f3e5d17fc369672f411d857aa456c3ab57bb |
memory/4644-2734-0x0000000003210000-0x0000000003220000-memory.dmp
memory/4644-2735-0x0000000003210000-0x0000000003220000-memory.dmp
memory/4644-2736-0x0000000003210000-0x0000000003220000-memory.dmp
C:\ProgramData\B7A7.tmp
| MD5 | 294e9f64cb1642dd89229fff0592856b |
| SHA1 | 97b148c27f3da29ba7b18d6aee8a0db9102f47c9 |
| SHA256 | 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2 |
| SHA512 | b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf |
memory/3344-2741-0x000000007FE40000-0x000000007FE41000-memory.dmp
memory/3344-2742-0x00000000026D0000-0x00000000026E0000-memory.dmp
memory/3344-2743-0x00000000026D0000-0x00000000026E0000-memory.dmp
memory/3344-2744-0x000000007FE20000-0x000000007FE21000-memory.dmp
memory/3344-2745-0x000000007FDC0000-0x000000007FDC1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
| MD5 | 85a8d90ce0448facf98970eb5b650d8e |
| SHA1 | 798867e3714a955bc657e31dd05f53a2c005709f |
| SHA256 | 55d881d8f1af87636cb09d664c5d1ade69c93e496343e0610afbe43a4a6f6c88 |
| SHA512 | 4d7d54f9fe8de14266d8a5d0634f15486ccc0877a53cf275513fa2390e0174187699a798bf14e45691dd09138e5d51d239de380f9d79fe60a4f164e64f6edc9a |
memory/3344-2775-0x000000007FE00000-0x000000007FE01000-memory.dmp
memory/3344-2774-0x000000007FDE0000-0x000000007FDE1000-memory.dmp