Analysis
-
max time kernel
90s -
max time network
50s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
10-08-2024 16:12
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20240802-en
General
-
Target
setup.exe
-
Size
153KB
-
MD5
f80cef9501323c826775775163b32d40
-
SHA1
10671ea890390d579713e4e95c714656d7d29e9d
-
SHA256
8dd64e306731d5a21d7805c485d6312444be01e2a8dee0807f7f6c401669e685
-
SHA512
e89c9ff4c2c8a997a4d897f2ecede8875126cbf01efb97c8789042b7b1ffb2a02e9fc942f078ebe879f68d0de50a3331c61154adc93b7200ce14d5a9838ddd1e
-
SSDEEP
3072:dqJogYkcSNm9V7DWLlApoznHjJ7FT6TT:dq2kc4m9tDgnHe
Malware Config
Extracted
C:\I6hf6mgSc.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
http://lockbitsupt7nr3fa6e7xyb73lk6bw6rcneqhoyblniiabj4uwvzapqd.onion
http://lockbitsupuhswh4izvoucoxsbnotkmgq6durg7kficg6u33zfvq3oyd.onion
http://lockbitsupn2h6be2cnqpvncyhj4rgmnwn44633hnzzmtxdvjoqlp7yd.onion
http://lockbitsupp.uz
https://tox.chat/download.html
Signatures
-
Lockbit
Ransomware family with multiple variants released since late 2019.
-
Renames multiple (860) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Deletes itself 1 IoCs
pid Process 2940 B951.tmp -
Executes dropped EXE 1 IoCs
pid Process 2940 B951.tmp -
Loads dropped DLL 1 IoCs
pid Process 2444 setup.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\$Recycle.Bin\S-1-5-21-2212144002-1172735686-1556890956-1000\desktop.ini setup.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2212144002-1172735686-1556890956-1000\desktop.ini setup.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
-
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\I6hf6mgSc.bmp" setup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\I6hf6mgSc.bmp" setup.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2940 B951.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language setup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language B951.tmp -
Modifies Control Panel 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Control Panel\Desktop setup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Control Panel\Desktop\WallpaperStyle = "10" setup.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.I6hf6mgSc setup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.I6hf6mgSc\ = "I6hf6mgSc" setup.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\I6hf6mgSc\DefaultIcon setup.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\I6hf6mgSc setup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\I6hf6mgSc\DefaultIcon\ = "C:\\ProgramData\\I6hf6mgSc.ico" setup.exe -
Suspicious behavior: EnumeratesProcesses 26 IoCs
pid Process 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe 2444 setup.exe -
Suspicious behavior: RenamesItself 26 IoCs
pid Process 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp 2940 B951.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeDebugPrivilege 2444 setup.exe Token: 36 2444 setup.exe Token: SeImpersonatePrivilege 2444 setup.exe Token: SeIncBasePriorityPrivilege 2444 setup.exe Token: SeIncreaseQuotaPrivilege 2444 setup.exe Token: 33 2444 setup.exe Token: SeManageVolumePrivilege 2444 setup.exe Token: SeProfSingleProcessPrivilege 2444 setup.exe Token: SeRestorePrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeSystemProfilePrivilege 2444 setup.exe Token: SeTakeOwnershipPrivilege 2444 setup.exe Token: SeShutdownPrivilege 2444 setup.exe Token: SeDebugPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeBackupPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe Token: SeSecurityPrivilege 2444 setup.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2444 wrote to memory of 2940 2444 setup.exe 30 PID 2444 wrote to memory of 2940 2444 setup.exe 30 PID 2444 wrote to memory of 2940 2444 setup.exe 30 PID 2444 wrote to memory of 2940 2444 setup.exe 30 PID 2444 wrote to memory of 2940 2444 setup.exe 30 PID 2444 wrote to memory of 2940 2444 setup.exe 30 PID 2444 wrote to memory of 2940 2444 setup.exe 30 PID 2444 wrote to memory of 2940 2444 setup.exe 30 PID 2940 wrote to memory of 2296 2940 B951.tmp 31 PID 2940 wrote to memory of 2296 2940 B951.tmp 31 PID 2940 wrote to memory of 2296 2940 B951.tmp 31 PID 2940 wrote to memory of 2296 2940 B951.tmp 31 PID 2940 wrote to memory of 2296 2940 B951.tmp 31 PID 2940 wrote to memory of 2296 2940 B951.tmp 31 PID 2940 wrote to memory of 2296 2940 B951.tmp 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Loads dropped DLL
- 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
PID:2444 -
C:\ProgramData\B951.tmp"C:\ProgramData\B951.tmp"2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2940 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\B951.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:2296
-
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x1541⤵PID:2384
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
129B
MD5132744cd313aac842e1e5088dddb5b9d
SHA12ec9a118820d60a439cb72de383286f726bcb09d
SHA256c45d4af784d85602453ca18da292578dc1deadef8f12b1bce65fbf103d825cc8
SHA512fecf7c78ebc9f3e3f526d095a33b915e51a0729f2aa1a37d6136fde537a8d9c6134d0cc635235f7d3e45c1cb8c970c9f79945bd789be9c3a69338b7ef9827039
-
Filesize
6KB
MD5dd746ace17e44ace00885b91400f11d5
SHA14a0302d2dca400598f396e4230fdae71779cbeaa
SHA256b27c3c8a30faf7c76483b7e5d964ae85046a9713caa46508ee7a1e31b7dc6272
SHA5128ac26aa7262fdf1afdc74e604720a79ebde076c75f460d7d5f57ff4d81dedb1ad471eb114ddd428c1934029746f5c222339090680bc77a6ea09ce329e1da3ef1
-
Filesize
153KB
MD5a22867401f3634751070059d1325c458
SHA17d64d4a6ccb2894a08077405a7192b5d86ed9050
SHA256e44cdb9d11cae5d28c032f227c9ed31f77b4bc4b01f960244066c7792e44107f
SHA512d8daa99a63710dac7fd5efc8793ef4856b2642e63f5bb5da015f630efe816b60bc929efe982938d3d35ad929c3ef216d1df62761f6eeb87a4ae42acf8536c875
-
Filesize
129B
MD5c558fa779e27337fa6531ccfd5459599
SHA1e7d364836dd9158af3ebad3f3fe9874ec635d92b
SHA256f191ea77b94557eed35b1172ddce321e593235162c904f6f223f969a5b770271
SHA51262ce35e0d3834e1bfba83a7b03e5b29f1b9e078f7354e2ec9f48fcb6023bdfe0646d086bc3befd4256744dc601261b943a540b5356d5ca0be68fc2616f998497
-
Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf