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
164s -
max time network
177s -
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
239c9969fd07e1701a129cfd033a11a93ee9e88e4df4f79b7c5c0dd5bba86390.exe
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Size
153KB
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MD5
bb78df384ff1d296d1f0b59803df89b3
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SHA1
39c9235f96cf39a24c9907ac9ff5ab58de837bac
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SHA256
239c9969fd07e1701a129cfd033a11a93ee9e88e4df4f79b7c5c0dd5bba86390
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SHA512
b682f26d3baf33ab2f11036f1c0461c1c022d8073989db5f6cfaaa84655bc46d8fa0dac7b1842c74c69d7ad640c9d390dec946cfa8dd08efd240886e816a3288
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SSDEEP
3072:5qJogYkcSNm9V7DvjFHHjHLuHk7XHURLPGwAcT:5q2kc4m9tDFfXkuwA
Malware Config
Extracted
C:\Tvks1ukoO.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 (717) 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\239c9969fd07e1701a129cfd033a11a93ee9e88e4df4f79b7c5c0dd5bba86390.exe"C:\Users\Admin\AppData\Local\Temp\239c9969fd07e1701a129cfd033a11a93ee9e88e4df4f79b7c5c0dd5bba86390.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\CF5D.tmp"C:\ProgramData\CF5D.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\CF5D.tmp >> NUL3⤵
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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=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:81⤵
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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\{1D7079D5-0FEA-4D98-9F17-FF71CFDE663C}.xps" 1335522622778200002⤵
- 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
MD5598e701ba7e4a733612c6aeb128797e5
SHA1c73d864a8b5ad9c9264951d5afbb9babb48c179e
SHA2560924a4ffbb7c25a0814f185b242eb97b5633f544c4ec93c8702df2653ceb5ec1
SHA5120ab3718cb3a154742d78109b1a7d8cefc96d74993d74f190741273047c5ee4c0faa7774f1578b26c0eb7536a7342c6cda424add1c013501cb291c7a3c17c2caa
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
6KB
MD5d73c7203af9464a8f11675a8b3096b95
SHA1a0e465303dda7017c53b9a9e7a4e6a389e2cf1bb
SHA2569b42a97430e7fd6e8f7c61cc32dbd9aeed1e2690ba804f6665d7e1040e069978
SHA512b4ad907449ca0f6ab037ae84748becaa91db183eb868b33b5e9e75d0af2045661daaf05611f88f139fd19b97c79049235281690955c4c730586c0e59157c4a9a
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Filesize
153KB
MD56addbe6c3a366e5a3f8acb62fcd0e8cb
SHA1dbd9f9c58705f4c644fa607f1f63ac2f4a9f26d8
SHA2567381865dc938290111d6680b74561730e8a965f9b2da7dcae625ff643de813c6
SHA512576b9ea62c7d85f5078ac18c88df39b8f12a94e731671026172cbf975065b40bcc9c676bb560b28ee677778b5ec337446cf11057d03d621e58e9e65134b178ea
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Filesize
4KB
MD563a2f73b684a84e39f9e75fabe917be0
SHA172ab25b681db35ff703717e9b447521b4a09de79
SHA256314bc54d34bad7a6af2207ec79191f863705f73d592fdb3f10dbe23882fdcc9f
SHA5128a80ead2e179a7faa446b01b0e45a4a98fd20516a1e2f981ea6222b0e81652205a27ada7dea7bf762b78b409a540def96f8c7a0316b2053dec81c0081ec76004
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Filesize
4KB
MD5cc67fef07fc267c5b310c39616f8bebd
SHA11c11f90414c6fc9cf2dc65f7993e94882d407346
SHA256cc216c038ae5166668a81ec4848f45e5743e9903944bdc158e2bc36d35b397f2
SHA5124fdf5e687ea5e2714d61bf164308548d408f25dc26047c1372415e6875843083abdf43da9927a77e1a728b5b4ed2dd91315e2fdd05c67160a25c4f787a004300
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Filesize
129B
MD573fa4b1e036db651d5dbb2beb70404df
SHA1b173efc9f807409e9c66bfb32e394a4f4e988a8e
SHA256c151a1178147f2df6c185bc8b493a0ee6fbe87d8a201ad2c89ec03e357cf6948
SHA512b30138c8576a19519c17064ce198c11b8d696a1fb6507bd6fa1f74e513f5b50f0c43375dd8b58517860999db7f880d313b404cd56d493dc4c12ad50731adfe41
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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
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
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
4KB
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Filesize
64KB
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Filesize
4KB
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Filesize
64KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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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