Analysis
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max time kernel
145s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
23-09-2024 20:00
General
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Target
274844568a6a9ce334d71efeac21f528d7b54b2cd4377c978cc1270c6ad986c4.exe
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Size
150KB
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MD5
7e503c206e57f0295da017914a957d04
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SHA1
96c375b9c57292db73c7ef2f2df16cf7be1604bb
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SHA256
274844568a6a9ce334d71efeac21f528d7b54b2cd4377c978cc1270c6ad986c4
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SHA512
cd4889ae107c54df854042e030eb431664d4db9d6dc908d1f1910ca49b89d247222f9d19440fcc2d9a120c95b56cd694750072ab9486eea961b8c33391344c1c
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SSDEEP
3072:6qJogYkcSNm9V7DPaGkxDSzGmblnDPET:6q2kc4m9tDyNDSrdj
Malware Config
Extracted
C:\wlJ8FiR2h.README.txt
lockbit
http://lockbitsupt7nr3fa6e7xyb73lk6bw6rcneqhoyblniiabj4uwvzapqd.onion
http://lockbitsupuhswh4izvoucoxsbnotkmgq6durg7kficg6u33zfvq3oyd.onion
http://lockbitsupn2h6be2cnqpvncyhj4rgmnwn44633hnzzmtxdvjoqlp7yd.onion
http://lockbitsupp.uz
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
Signatures
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Lockbit
Ransomware family with multiple variants released since late 2019.
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Renames multiple (623) 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 3 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 1 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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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 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\274844568a6a9ce334d71efeac21f528d7b54b2cd4377c978cc1270c6ad986c4.exe"C:\Users\Admin\AppData\Local\Temp\274844568a6a9ce334d71efeac21f528d7b54b2cd4377c978cc1270c6ad986c4.exe"1⤵
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- 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\A3B3.tmp"C:\ProgramData\A3B3.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\A3B3.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⤵
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C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{7EF14EEC-2EA6-4B54-A537-7D6EA827E69F}.xps" 1337159522711600002⤵
- 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
MD5edfe00cba33ed9d528254dd5aa846a82
SHA195d28de46fb72ffc377a008a809781b3def2cd22
SHA2561ba4c130f4ec59f4ba5eb63ab2a4d407b4ecd749e27d07b30394b3ba79537ff7
SHA512206b824b5e46e3940eef38f26f8de6b4da11d24eadc6f5ce7a39835b35f6207910aac834a60b1958a9ed8447aa92a0a4921a337939c708f7da208e68faf70b1d
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
150KB
MD5648ef37f4cbd834f6ed4d8a648f7bad6
SHA10b1723235e8711a71ba274ff4a87106ff1153064
SHA2562a86e4129cefd74e52abac7edad3aba52449ef010405514a77c4bdbd4b1cfeab
SHA512317a2db5e5ca0891e47c94a860b6344f453c22b31d56cf31ab28c64fc8581891358606b1c999de92f6d166b8cfd0f75b249f5944d08614bcb33c6a591817c437
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Filesize
4KB
MD5bf13ff9fbb6f3907ee90c3a4cfdd8075
SHA1f2ea377e2b848373dd72ca8675f7e880bb069736
SHA256847f2a53327ca3e571763943a1be0808aba55f9cc6a86bf099bf1e58cb694c44
SHA512d8fd37e6c522700f8d7ce6ad7087443c7a98ba1a14fb7fdd0c9ac542d07c0749e4f5556214f3a61292b7198da03b3ef4ede8f44bdf38adb6abc1b9ff4dcc68b7
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Filesize
3KB
MD5b9674de0868a93e9121bdb1d02d80130
SHA179d692fd03d3110a4358e2cc7442af9517489f3f
SHA2569268d24e96639cf4c0e8d74f9769092b415015692ea528820faaded6fc5b052c
SHA512b3264ad33eddedb2c18da883e2345247c762adc8a604991fce931cba06b86c361d23fa121e79d6c69948a2d5b9c1613139f401b971360d9d684abb5a61543c02
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Filesize
129B
MD5a04f5ea30d70842b53c1c7b39df9961d
SHA126ec1eb8154460a6ef52fbba425806a5999198b5
SHA25672656345e7d195155b46f11167c91869be0b78ef18e57fb5bad417364a902343
SHA51214b943a92081c94afa17acdff682911692f76886545dba42f4ca1cbd57e33002d745b9d2f2ad12e1e3a30fbbcd9a6f75d238e191df01ee343cd57c146adf5eba
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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