Resubmissions
28-07-2024 16:38
240728-t5tryssgmm 1007-07-2024 14:07
240707-rfgd8atekm 1007-07-2024 14:07
240707-re689awdpe 1013-09-2022 17:54
220913-wg1lpsgbg7 10Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
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submitted
28-07-2024 16:38
General
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Target
RansomwareSamples/LockBit_14_02_2021_146KB.exe
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Size
146KB
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MD5
69bec32d50744293e85606a5e8f80425
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SHA1
101b90ac7e0c2a8b570686c13dfa0e161ddd00e0
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SHA256
95739e350d7f2aca2c609768ee72ad67fcf05efca5c7ad8df3027c82b9c454cf
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SHA512
e01f976fcbfa67cfd6e97855d07350a27b67fcc825d4e813ac9d2f4e8f464bb4f8bbbbe58a26bc27e78fa15db0ee5271e8f041dd72f036c11964eb1c591b438f
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SSDEEP
3072:V6ZkRGjkBrmKmY99UpkD1/34bIpVSrtLmqc2LVMMqqD/h2LuTeONA5tIHVcH:IS9rLPPUpa3VVEtLXcCqqD/hOQnaMcH
Malware Config
Extracted
C:\Program Files\DVD Maker\de-DE\Restore-My-Files.txt
lockbit
http://lockbit-decryptor.top/?BC76D224712A7481AE152F7D50BEE682
http://lockbitks2tvnmwk.onion/?BC76D224712A7481AE152F7D50BEE682
Extracted
C:\Users\Admin\Desktop\LockBit-note.hta
http://lockbit-decryptor.top/?BC76D224712A7481AE152F7D50BEE682
http://lockbitks2tvnmwk.onion/?BC76D224712A7481AE152F7D50BEE682
Signatures
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Lockbit
Ransomware family with multiple variants released since late 2019.
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
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Renames multiple (9354) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Deletes backup catalog 3 TTPs 1 IoCs
Uses wbadmin.exe to inhibit system recovery.
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Deletes itself 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 64 IoCs
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Drops file in Program Files directory 64 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 5 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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System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
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Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
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Modifies Control Panel 2 IoCs
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Modifies Internet Explorer settings 1 TTPs 1 IoCs
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 1 IoCs
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Suspicious use of AdjustPrivilegeToken 48 IoCs
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Suspicious use of WriteProcessMemory 35 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\LockBit_14_02_2021_146KB.exe"C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\LockBit_14_02_2021_146KB.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- Deletes backup catalog
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\LockBit-note.hta"2⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 127.0.0.7 -n 3 > Nul & fsutil file setZeroData offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\LockBit_14_02_2021_146KB.exe" & Del /f /q "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\LockBit_14_02_2021_146KB.exe"2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.7 -n 33⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
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C:\Windows\SysWOW64\fsutil.exefsutil file setZeroData offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\LockBit_14_02_2021_146KB.exe"3⤵
- System Location Discovery: System Language Discovery
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5a8a6fdbbbb8bd3128b0dd266dc398f2b
SHA1f53836032a882552dfa46d2a99a86850f6451b26
SHA25661afe8b4d30f2db46c0b198c2eee72ad1e21525676c686d433a6b95e0a147f42
SHA5127b9c4d314e6b48ca060b8a4596070cd137dcc25a2f86b3c1efeb8ebd2618e8c1b8171e0afd6a1a2db29535d31a6d34e033db2a37b2faca15fb2effed4ac99d6a
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Filesize
17KB
MD5fd5d9cf71540fae159317cfa3f72f98a
SHA10e02c08d660680aa59047d2c794c4801f066f51a
SHA256d67a1ee5d0bc52cfc70b1cc262da2857dc907904fd9b5a504eefb2e61fdfbd90
SHA5129236ec9162f89fafc60a998099df36da5e2da396ea452373c81d0caf8ac6be1c3f7580ee7967fb9fb7f6bc19d6ffa051f55a2fe36d4108ea8e97142c06915d62