Analysis
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max time kernel
447s -
max time network
1176s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
11-03-2024 06:47
Behavioral task
behavioral1
Sample
lockbit_v3_unpacked.7z.zip
Resource
win11-20240221-en
Behavioral task
behavioral2
Sample
lockbit_v3_unpacked.7z
Resource
win11-20240221-en
Behavioral task
behavioral3
Sample
lockbit_v3_unpacked.exe
Resource
win11-20240221-en
General
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Target
lockbit_v3_unpacked.7z
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Size
92KB
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MD5
e790ffe86dbe6b40f1aca983dcef2b36
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SHA1
d5cbf7f89e3d785c43f4fe18da7c3ae32df766fd
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SHA256
374f9c0647cd87007e04065945d4f74fb5f91008c2e5c3874e62110e36b3570c
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SHA512
3f662dac3bbc7959e1082ef48a3aeaa23d0f5ba439935448550c5ab85abc45270c542dd4dd03425193203f97bb13afa5b3f2857b7af41c84f2ffd0d0a0fc6e05
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SSDEEP
1536:dTMCtxc3mHv9zDvOzy4UU+zYRGPHk/XkMd9k2xSrt5JBPO0Tnhw73zRQeMOtdiC:dTfjc3mP9XV4azGGs/XfpSrt5JBPOOm9
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
Processes:
cmd.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1101742937-4171729779-750941522-1000_Classes\Local Settings cmd.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
7zFM.exepid process 984 7zFM.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
7zFM.exedescription pid process Token: SeRestorePrivilege 984 7zFM.exe Token: 35 984 7zFM.exe Token: SeSecurityPrivilege 984 7zFM.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
7zFM.exepid process 984 7zFM.exe 984 7zFM.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
cmd.exedescription pid process target process PID 1956 wrote to memory of 984 1956 cmd.exe 7zFM.exe PID 1956 wrote to memory of 984 1956 cmd.exe 7zFM.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.7z1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Program Files\7-Zip\7zFM.exe"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.7z"2⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:984
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