Analysis
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max time kernel
37s -
max time network
38s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
28-08-2024 04:37
General
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Target
b65b65c3ccf923af7be7db31b3919120e47849cc3e870afdac1bc555fc25b200.exe
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Size
153KB
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MD5
096d1b1e03a8662e0c66aa25934ef00d
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SHA1
69ac141499613dec8006f41e0e0928aa3af5faac
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SHA256
b65b65c3ccf923af7be7db31b3919120e47849cc3e870afdac1bc555fc25b200
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SHA512
2174d82ca72e93b027e0cd5875780354295b185fa5dce9f37515e5a7c4cc670581991bc8ac027d87fdda92c1eb853626ee209247f815bf432d41e9ff79e2c2a4
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SSDEEP
3072:u6glyuxE4GsUPnliByocWepDsFqHudJ5B7lsggt:u6gDBGpvEByocWeN2fPBJHg
Malware Config
Extracted
C:\kw33XQBp8.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 (590) 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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Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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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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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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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\b65b65c3ccf923af7be7db31b3919120e47849cc3e870afdac1bc555fc25b200.exe"C:\Users\Admin\AppData\Local\Temp\b65b65c3ccf923af7be7db31b3919120e47849cc3e870afdac1bc555fc25b200.exe"1⤵
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- 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\BA87.tmp"C:\ProgramData\BA87.tmp"2⤵
- Checks computer location settings
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- 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\BA87.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
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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\{C1C0DBB3-9835-4D4D-A206-129DE629E7DD}.xps" 1336929347885500002⤵
- 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
MD560a683675dcf6281a094045032192d3a
SHA11c3822a3d4d1bbfb325f55066326c7efeb793eef
SHA256fc7f6c2af4d43c598cd84e6880ed678fb4b2fcc246cd574256f0486c1c40f4ff
SHA512d602be89b8641dd6b413734df2f23c7bb228e3f475dbc70c68d20a56c007a546c5c95bd1d1416654bcf39b1a90d9177a823986d7adf544f7c147ad47e5c199ab
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
153KB
MD58351b0f3e0c0c3fd2bcc8958eeef8c50
SHA1dfeea927366b54c21f5afae6b443899176ccdb0c
SHA25611348c911392bc360b0d715f392b396b6d89c2eb0ae0f9acf3c9e50a81ee1489
SHA5129b3b6f82c1a0351ee553fede5eafcb5ac8cb05bc7b15f936c8073f3cd1804068fb253589f21641294d5e9d2aaf286c60be27208aa03c71ae263136762f4857fa
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Filesize
4KB
MD5be1bfd2507a0ac83f83a139b072b1e61
SHA1ae42e868f6b516a92041c2267a8cf444898ba89a
SHA2566270697fc0df44b777f8052af50b120949c0f4732e4b437a2731feaf5e71af00
SHA5127477e5ee29c781bcee624c9e9eedc14701864334b6837a40f9905902fbef618b6fcb2708db5ceebcfab59f2a7ffe972f9f8091deceb10105ac3f7944bacaf67a
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Filesize
6KB
MD51df058596c5c200992af7fc1c3ed8e8f
SHA1a5ace75544c54652011b5a5ee2627765e5fa02fa
SHA2569a7c35de85b5d3515a7121dc062326c9259d1693c5b8de111bb8e49871749a48
SHA51293977294aa2dba7e8e99eed959dd4435d3907dc4b6f1d66db1d98de51c3e225caf97170be7efa4f29664cd7f51554c417686ff811bf91bb38edad6dc7b2bc5a9
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Filesize
129B
MD584732499d86a47a8a759191acf4ed6a4
SHA17e5430828687246577eda06d90c8d15d726cd955
SHA256d6d3cadac3aeccb15a4bde97009c42c03376833155cfd76538bd9ff9d97b83b8
SHA5123b97be9e6dab5620c24d957e06256fa607bfe558f3a7d08407e0a4effb13b2245174d8590ea6a05d6f4ffcc2969d41b05e385c3c60355a90f87748ac740f8e6e
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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
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
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Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
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Filesize
64KB