Resubmissions
20-03-2024 09:55
240320-lxzn8sdh94 1020-03-2024 09:53
240320-lwzb3sef3x 1018-03-2024 09:01
240318-ky38dadf6s 10Analysis
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max time kernel
150s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
18-03-2024 09:01
General
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Target
1f0e4cbc1a4b52b6d7e4188e4a835a904cf783c75db9a066df4201452bd9647d.exe
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Size
153KB
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MD5
9876648d8e8d857bd698c39cfa0ca3a3
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SHA1
bb3ef4fa029b5e7ddb4666b68406d570764c908e
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SHA256
1f0e4cbc1a4b52b6d7e4188e4a835a904cf783c75db9a066df4201452bd9647d
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SHA512
63a94dfa67f9cbedde1c3af4d1c9178eb0f84049c86dbdbaefde11b50ada2de846d72a7bb1848d72677844f810e8b2812815caee774f568a899171b95b8cbdce
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SSDEEP
3072:uqJogYkcSNm9V7DZqX7A+Rf5KZXxpU756T:uq2kc4m9tDgZf5KZX325
Malware Config
Extracted
C:\sVLPjixhi.README.txt
lockbit
http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion
http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion
http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion
http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion
http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion
http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion
http://lockbitaptq7ephv2oigdncfhtwhpqgwmqojnxqdyhprxxfpcllqdxad.onion
http://lockbitaptstzf3er2lz6ku3xuifafq2yh5lmiqj5ncur6rtlmkteiqd.onion
http://lockbitaptoofrpignlz6dt2wqqc5z3a4evjevoa3eqdfcntxad5lmyd.onion
http://lockbitapt.uz
http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion.ly
http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion.ly
http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion.ly
http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion.ly
http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion.ly
http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion.ly
http://lockbitaptq7ephv2oigdncfhtwhpqgwmqojnxqdyhprxxfpcllqdxad.onion.ly
http://lockbitaptstzf3er2lz6ku3xuifafq2yh5lmiqj5ncur6rtlmkteiqd.onion.ly
http://lockbitaptoofrpignlz6dt2wqqc5z3a4evjevoa3eqdfcntxad5lmyd.onion.ly
https://twitter.com/hashtag/lockbit?f=live
Signatures
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Lockbit
Ransomware family with multiple variants released since late 2019.
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Renames multiple (724) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Deletes itself 1 IoCs
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Executes dropped EXE 1 IoCs
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops desktop.ini file(s) 2 IoCs
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Drops file in System32 directory 4 IoCs
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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
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Enumerates system info in registry 2 TTPs 3 IoCs
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Modifies Control Panel 2 IoCs
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Modifies registry class 5 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: RenamesItself 26 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of SetWindowsHookEx 13 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\1f0e4cbc1a4b52b6d7e4188e4a835a904cf783c75db9a066df4201452bd9647d.exe"C:\Users\Admin\AppData\Local\Temp\1f0e4cbc1a4b52b6d7e4188e4a835a904cf783c75db9a066df4201452bd9647d.exe"1⤵
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
- Drops file in System32 directory
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C:\ProgramData\3024.tmp"C:\ProgramData\3024.tmp"2⤵
- Checks computer location settings
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\3024.tmp >> NUL3⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵
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C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe -Embedding1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
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C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{5FEB17A3-1C5A-4DF8-938E-D04E0C378F39}.xps" 1335522614638200002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
129B
MD5445f8f530f53a57dc1a65acb1fede158
SHA1de0531dd28568b3f53e479feede2633b8e4bc735
SHA2562b730215fafa1c0e9fea98935e2898cbb8feb85e4c298d7347dc678cdce4ce71
SHA512632b7bd8a8feecafd60fdaa75cb6d6f8f455fdf74ade2606e4914a9f9a3f8099225c3a46da565d8b71e180d0b88e5e36e02f4aaeb15c9f590f23d0e44dcf7de4
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
153KB
MD5a3f2dff9b28b3687e176cc72521c4a48
SHA1430f69afef564320dfb0d1cb878a1b6b553a6b3d
SHA256be0262396b21fbbd1a0e27af82e36c80eacf3a56a77034309899ed774a7e7ae1
SHA512267dbfff0b6e63023d03d3e5361f91b0a4f46e71a9f38167c7effd537581cf5377ac07d840c7dd5a3ece1097a71f4019cf41ba25461bac1cdb6af7618db784b0
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Filesize
4KB
MD574884fef9b2df73d144482c93afc4a84
SHA1eb4ff7971555e150c5ed802f7f799e8ef04398df
SHA25640ca0974e47c4174b835a1d6417b5131f8593d7051e4cf9fe122853bd291e996
SHA512d81c391ba56bbf60ca0313e07bed29becf2358a5f301db439e99d55390745fb359402b2d3c440cc965456cf0bd92455eb82611cbe60ef52b9f3fb81926a88386
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Filesize
4KB
MD526822b36f6b05b2d8ea1e7a6a65b9831
SHA12c0a6edc6e180230963953c2b09df915e5f0956e
SHA25622c6d51c6e566dfe68562e84c1bc176f71b4c8d13500e1207e1efe154b5dffb8
SHA5129591db3591a8fed76a62a9bed0f99984926112beaeab755afdb21c7a7aa967d7ba2f404372a1a05bd2c2301ba83bd9d568f616838239b5341e60d0d6a0dd6fc0
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Filesize
6KB
MD542ca39fdd2a443cb8e94e4af35e2e9c3
SHA19fd27b263285483398296511ca61059168f145cf
SHA2565f5ed36d87a6e090932754d2b3ad1775db0be68db13ccd979dc1957ff94cf170
SHA51246b33a0dfb28dac046cfd91a51aa683f8e0ca3f7b289bdba730178fbac4900d8a06da2a07b70f6655bf10bb578fe9fcf84a37d2ae4e55cc7cf74d5f3c6bee8ab
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Filesize
129B
MD5afa2783a504d48c288171114457cff3d
SHA12738fcbdc14884c7e1328a7c81911b66f895db06
SHA256a0585fbd31a211a60b6e5fd3269cd93a4e1255e5fd49eb840f12525c25c304ab
SHA51221811fabc6e9791246dd66a0381576f784ff3d90959f62f4bb3d095136fc79fedf0e29f6f46318b7a6c098ede2eb8f4a6ce11e22a2b345ba5fd9c59b2ba998e0
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB