Analysis
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max time kernel
97s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-01-2025 12:58
Static task
static1
Behavioral task
behavioral1
Sample
21a7fba68d5abd4c3837521c2e86a03454e98a4f9517fa83ff00c47fb3c4cd44.ps1
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
21a7fba68d5abd4c3837521c2e86a03454e98a4f9517fa83ff00c47fb3c4cd44.ps1
Resource
win10v2004-20241007-en
General
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Target
21a7fba68d5abd4c3837521c2e86a03454e98a4f9517fa83ff00c47fb3c4cd44.ps1
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Size
1.1MB
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MD5
21d9746b4d1970e0e38ce62e2f36270e
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SHA1
126d0de73b2c8e9276806a02e5c2ee3d1f1a7e7d
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SHA256
21a7fba68d5abd4c3837521c2e86a03454e98a4f9517fa83ff00c47fb3c4cd44
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SHA512
4045eca5e5f4f97f530837692256554e3687aafbebd58b53f7bd6f02de3d0c4a3c8c7efbd3edc45971076b435192937f227f6a7a6e67916ff628397bef4b4992
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SSDEEP
24576:XIJElvW93GPtN3jQeiKAsaLQG0Q0uidX/V:4Q15
Malware Config
Extracted
C:\Users\teViazD4k.README.txt
lockbit
http://lockbitapt2d73krlbewgv27tquljgxr33xbwwsp6rkyieto7u4ncead.onion
http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion
http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion
http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion
http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion
http://lockbitapt72iw55njgnqpymggskg5yp75ry7rirtdg4m7i42artsbqd.onion
http://lockbitaptawjl6udhpd323uehekiyatj6ftcxmkwe5sezs4fqgpjpid.onion
http://lockbitaptbdiajqtplcrigzgdjprwugkkut63nbvy2d5r4w2agyekqd.onion
http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion
http://lockbitapt2d73krlbewgv27tquljgxr33xbwwsp6rkyieto7u4ncead.onion.ly
http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion.ly
http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion.ly
http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion.ly
http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion.ly
http://lockbitapt72iw55njgnqpymggskg5yp75ry7rirtdg4m7i42artsbqd.onion.ly
http://lockbitaptawjl6udhpd323uehekiyatj6ftcxmkwe5sezs4fqgpjpid.onion.ly
http://lockbitaptbdiajqtplcrigzgdjprwugkkut63nbvy2d5r4w2agyekqd.onion.ly
http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion.ly
https://twitter.com/hashtag/lockbit?f=live
http://lockbitsupa7e3b4pkn4mgkgojrl5iqgx24clbzc4xm7i6jeetsia3qd.onion
http://lockbitsupdwon76nzykzblcplixwts4n4zoecugz2bxabtapqvmzqqd.onion
http://lockbitsupn2h6be2cnqpvncyhj4rgmnwn44633hnzzmtxdvjoqlp7yd.onion
http://lockbitsupo7vv5vcl3jxpsdviopwvasljqcstym6efhh6oze7c6xjad.onion
http://lockbitsupq3g62dni2f36snrdb4n5qzqvovbtkt5xffw3draxk6gwqd.onion
http://lockbitsupqfyacidr6upt6nhhyipujvaablubuevxj6xy3frthvr3yd.onion
http://lockbitsupt7nr3fa6e7xyb73lk6bw6rcneqhoyblniiabj4uwvzapqd.onion
http://lockbitsupuhswh4izvoucoxsbnotkmgq6durg7kficg6u33zfvq3oyd.onion
http://lockbitsupxcjntihbmat4rrh7ktowips2qzywh6zer5r3xafhviyhqd.onion
https://gdpr.eu/what-is-gdpr/
https://gdpr-info.eu/
Signatures
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Lockbit
Ransomware family with multiple variants released since late 2019.
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Lockbit family
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Renames multiple (152) 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.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation A79A.tmp -
Deletes itself 1 IoCs
pid Process 2348 A79A.tmp -
Executes dropped EXE 1 IoCs
pid Process 2348 A79A.tmp -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\teViazD4k.bmp" powershell.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\teViazD4k.bmp" powershell.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
pid Process 1304 powershell.exe 1304 powershell.exe 1304 powershell.exe 1304 powershell.exe 1304 powershell.exe 1304 powershell.exe 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp -
pid Process 3532 powershell.exe -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language A79A.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\teViazD4k powershell.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\teViazD4k\DefaultIcon\ = "C:\\ProgramData\\teViazD4k.ico" powershell.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.teViazD4k powershell.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.teViazD4k\ = "teViazD4k" powershell.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\teViazD4k\DefaultIcon powershell.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 3532 powershell.exe 3532 powershell.exe 1304 powershell.exe 1304 powershell.exe 1304 powershell.exe 1304 powershell.exe 1304 powershell.exe 1304 powershell.exe 1304 powershell.exe 1304 powershell.exe 1304 powershell.exe 1304 powershell.exe -
Suspicious behavior: RenamesItself 26 IoCs
pid Process 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp 2348 A79A.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3532 powershell.exe Token: SeDebugPrivilege 1304 powershell.exe Token: SeAssignPrimaryTokenPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeDebugPrivilege 1304 powershell.exe Token: 36 1304 powershell.exe Token: SeImpersonatePrivilege 1304 powershell.exe Token: SeIncBasePriorityPrivilege 1304 powershell.exe Token: SeIncreaseQuotaPrivilege 1304 powershell.exe Token: 33 1304 powershell.exe Token: SeManageVolumePrivilege 1304 powershell.exe Token: SeProfSingleProcessPrivilege 1304 powershell.exe Token: SeRestorePrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeSystemProfilePrivilege 1304 powershell.exe Token: SeTakeOwnershipPrivilege 1304 powershell.exe Token: SeShutdownPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeDebugPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeSecurityPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe Token: SeBackupPrivilege 1304 powershell.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 3532 wrote to memory of 1304 3532 powershell.exe 86 PID 3532 wrote to memory of 1304 3532 powershell.exe 86 PID 3532 wrote to memory of 1304 3532 powershell.exe 86 PID 1304 wrote to memory of 2348 1304 powershell.exe 99 PID 1304 wrote to memory of 2348 1304 powershell.exe 99 PID 1304 wrote to memory of 2348 1304 powershell.exe 99 PID 1304 wrote to memory of 2348 1304 powershell.exe 99 PID 2348 wrote to memory of 1964 2348 A79A.tmp 104 PID 2348 wrote to memory of 1964 2348 A79A.tmp 104 PID 2348 wrote to memory of 1964 2348 A79A.tmp 104
Processes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\21a7fba68d5abd4c3837521c2e86a03454e98a4f9517fa83ff00c47fb3c4cd44.ps11⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3532 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -ex bypass -nonI C:\Users\Admin\AppData\Local\Temp\21a7fba68d5abd4c3837521c2e86a03454e98a4f9517fa83ff00c47fb3c4cd44.ps12⤵
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1304 -
C:\ProgramData\A79A.tmp"C:\ProgramData\A79A.tmp"3⤵
- 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
PID:2348 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\A79A.tmp >> NUL4⤵
- System Location Discovery: System Language Discovery
PID:1964
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
1KB
MD5a5f7191bdc30bb9554767ddc5b93b889
SHA1bf6c048d2860624a9f0f5dbfc3f9c1bd494fde59
SHA25692dee594eb050af3e07c64105ed903f7392273c39c6403655f17df40775ff0a8
SHA5127583b6f14013a5d635b03c366156aaa86895f68cc359a5e4bb1de668045e1c3ad88d58b63083e53c70dda6ac5203d476f35eb5d65af7078c523eb12ceef4a83a
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C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
Filesize1.1MB
MD590b38edfb45dc94fbce31624f4c02d89
SHA15688278aecf026a4b885c9fc9c2c6e716479aa2a
SHA256484df9b738e945b9b619b61730ed835ea421bea621d91e3d88073056b4ebf0eb
SHA512009468de28a0ceba38514e74e3a243d83596b15cacf1a323e5384c232d46eec1ca658721d0018b2940e4fbbbdb76f304617be68d3104ac18b5f350207d8772df
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
10KB
MD58204a5595f09e7ddbb9c6d06873e9e56
SHA11b38cd638f3f51e81cbc954c53f083332a432dc7
SHA25609f0e04579da6a03f891bf1ae40619011e8c20fe78caae55d585b0b8516aa178
SHA512b4a6170ccf6e88e57ef94a6ffcb032428e3adc688b056809b7ba5c688962bcc9c361115adc3c80738d9ef9ee77e07a4ebcf35a6cc3e7e737c890eb62e589eab2