Analysis
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max time kernel
142s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
27-01-2024 16:14
General
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Target
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3.exe
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Size
153KB
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MD5
a77aa09d078b9380029e6100edbe2c83
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SHA1
6fbb43a72056d7432434e123e77234cafafdf6ea
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SHA256
4af96f0de6c0c89158c41974b4323869343e169b1f2a95a7960646d6b0edc3ea
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SHA512
596c290ac55641df4220e8821bc51cc24f08552cca8e36c37c6ce641e8e3b8e9fa4ff56d0497e64e6bca92ca4bef07fca8ce3442297d2c17b829e7281a239153
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SSDEEP
3072:96glyuxE4GsUPnliByocWepfd1D5nZ42zYWkD:96gDBGpvEByocWeFzE+rk
Malware Config
Extracted
C:\HHuYRxB06.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 (604) 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 5 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\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe"1⤵
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- 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\69.tmp"C:\ProgramData\69.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\69.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\{983954FF-E0FD-4CA2-A75D-7E061BB83A1F}.xps" 1335084573384800002⤵
- 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
MD5d595bc6c4f1b6d4e7cffd12e03ade682
SHA1c45a87fb3a4680728ba444cc2ee0834a1ab47bb4
SHA2568664b7fbc0efd0021a727fe600764843bf3cadb637fef21db6252174d7ffb230
SHA512fbb08789e52d8afe419b8950dd4815db17439e9fd03edc0931f31cd5c80b437393632a98445e3b38600ab398bfadc09938dc883ce32592ec2cbe866152279d65
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Filesize
6KB
MD558e51ed37b01374185d008e66ba7c3e5
SHA1587883829b94c7c22478b9ad8b65e16c949eb2e6
SHA2566225a7f57e9ca0a8ce53765794fffffdb08384fd1d6593f276dce606d9d44cde
SHA51265dc69aebfb7e0e40b1363fe34ce1aaf6fc565ce85163c87049ab38c4c77fb3936ce6c66c708694af7dd012f7a16c4d9bffce2726295c77c1ea703bd83c3293a
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
153KB
MD51c7293a63b6a35ab02016c491cafdf5b
SHA1cc11effa77c50881815d66ae02a67635ed30ef8b
SHA2560581ea05d51a9ef87e638d9780d4bfb2e84a7c3a99d6cf9b809823952d20461b
SHA512a08ecf631e204cc74ea83729d1ed203b117335376a019b85c711a9644a2e9abd36d2513ea21838cd347dec57e254a16f0fb4a318ede1dde611ad77bf43fd2287
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Filesize
4KB
MD589481fae58bcb13f97509cf56473d3f4
SHA120ef87150731dc89dada0c7f7c18d84fa9edfcbd
SHA2567d26d693f29cc7c7fe4fd3cddb4c3c23e1cf51e658cb5901eebdd1e3ed195d57
SHA5127433fbd03c0cb497d19c410b2d2dc24c74496fc70e7aefb658f3873a05a40d30edcbb5b77ad6334c854e4b93400740c55c369170c7bcdab37dca1ebbedd8103d
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Filesize
4KB
MD5c4bb6eb608dec731818f948b4810268c
SHA16625eecae3b075e4eec66a30503873acf2dcf14e
SHA256a5c664ff2f498e6613c117f3942cfbd08cd4ca3779909477fbcc3d912fbf7c4b
SHA5124c85baa53d3884adc28294e656cd3c1e31cec5f55c6269054101f8724775227cfaafdc1ea70dd24f28a1e0b0785a123bfa21479f9b0d13ba1e88cbe830970322
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Filesize
129B
MD5ad41f934c9b4964dc30eb56be04c9093
SHA14364056661285ae7ae918fbd8f9e3f0c4ce4ba54
SHA256e8fc7c523ae23234bbe7aa72240b6083a93f423c0385d3f20c96eca1a890282d
SHA512185a8eeafc26f70b771484e0b5141c45ad9f2975911919510deee65e606262b8187051211c4764f31a4b600fc5ea9808699ea09ab9f5593351ef05865173774b
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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
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
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
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
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