Analysis
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max time kernel
117s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
18-12-2024 10:01
Static task
static1
Behavioral task
behavioral1
Sample
LoaderCrack.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
LoaderCrack.exe
Resource
win10v2004-20241007-en
General
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Target
LoaderCrack.exe
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Size
13.8MB
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MD5
6b7d4fbeea8898c09dec037a5603ccfc
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SHA1
1c05bf1404bf9e5d5bf6d4f6a51bd1593010bf95
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SHA256
42cdd8756d31e393e6a0d447dc36a6439f1683ab5be45fc08d90f826a5c1390c
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SHA512
78bfd5513dbc968612d36bd5058c28054459f60f1021893e514ce853c514afa6b15b0318b9f453274a4e8e9ec4bff216bec859241c115c7fee6194791a240332
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SSDEEP
393216:RZhibf3qeZdLLUcTLRU0MLYJJKMqNtDH4x1mpLg+glX5h:1ibVZB3RTZ1qNtcxw2+g3h
Malware Config
Extracted
C:\yEdTs6uGy.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
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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 (327) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Deletes itself 1 IoCs
pid Process 2584 C1E8.tmp -
Executes dropped EXE 1 IoCs
pid Process 2584 C1E8.tmp -
Loads dropped DLL 1 IoCs
pid Process 3064 LoaderCrack.exe -
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
description ioc Process File opened for modification F:\$RECYCLE.BIN\S-1-5-21-4177215427-74451935-3209572229-1000\desktop.ini LoaderCrack.exe File opened for modification C:\$Recycle.Bin\S-1-5-21-4177215427-74451935-3209572229-1000\desktop.ini LoaderCrack.exe -
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-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\yEdTs6uGy.bmp" LoaderCrack.exe Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\yEdTs6uGy.bmp" LoaderCrack.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2584 C1E8.tmp -
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 C1E8.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language LoaderCrack.exe -
Modifies Control Panel 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\Desktop LoaderCrack.exe Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\Desktop\WallpaperStyle = "10" LoaderCrack.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.yEdTs6uGy LoaderCrack.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.yEdTs6uGy\ = "yEdTs6uGy" LoaderCrack.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\yEdTs6uGy\DefaultIcon LoaderCrack.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\yEdTs6uGy LoaderCrack.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\yEdTs6uGy\DefaultIcon\ = "C:\\ProgramData\\yEdTs6uGy.ico" LoaderCrack.exe -
Suspicious behavior: EnumeratesProcesses 15 IoCs
pid Process 3064 LoaderCrack.exe 3064 LoaderCrack.exe 3064 LoaderCrack.exe 3064 LoaderCrack.exe 3064 LoaderCrack.exe 3064 LoaderCrack.exe 3064 LoaderCrack.exe 3064 LoaderCrack.exe 3064 LoaderCrack.exe 3064 LoaderCrack.exe 3064 LoaderCrack.exe 3064 LoaderCrack.exe 3064 LoaderCrack.exe 3064 LoaderCrack.exe 3064 LoaderCrack.exe -
Suspicious behavior: RenamesItself 26 IoCs
pid Process 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp 2584 C1E8.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeDebugPrivilege 3064 LoaderCrack.exe Token: 36 3064 LoaderCrack.exe Token: SeImpersonatePrivilege 3064 LoaderCrack.exe Token: SeIncBasePriorityPrivilege 3064 LoaderCrack.exe Token: SeIncreaseQuotaPrivilege 3064 LoaderCrack.exe Token: 33 3064 LoaderCrack.exe Token: SeManageVolumePrivilege 3064 LoaderCrack.exe Token: SeProfSingleProcessPrivilege 3064 LoaderCrack.exe Token: SeRestorePrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeSystemProfilePrivilege 3064 LoaderCrack.exe Token: SeTakeOwnershipPrivilege 3064 LoaderCrack.exe Token: SeShutdownPrivilege 3064 LoaderCrack.exe Token: SeDebugPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeBackupPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe Token: SeSecurityPrivilege 3064 LoaderCrack.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3064 wrote to memory of 2584 3064 LoaderCrack.exe 32 PID 3064 wrote to memory of 2584 3064 LoaderCrack.exe 32 PID 3064 wrote to memory of 2584 3064 LoaderCrack.exe 32 PID 3064 wrote to memory of 2584 3064 LoaderCrack.exe 32 PID 3064 wrote to memory of 2584 3064 LoaderCrack.exe 32 PID 2584 wrote to memory of 2744 2584 C1E8.tmp 33 PID 2584 wrote to memory of 2744 2584 C1E8.tmp 33 PID 2584 wrote to memory of 2744 2584 C1E8.tmp 33 PID 2584 wrote to memory of 2744 2584 C1E8.tmp 33
Processes
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C:\Users\Admin\AppData\Local\Temp\LoaderCrack.exe"C:\Users\Admin\AppData\Local\Temp\LoaderCrack.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:3064 -
C:\ProgramData\C1E8.tmp"C:\ProgramData\C1E8.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:2584 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\C1E8.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:2744
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x14c1⤵PID:2612
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
129B
MD51bc1280a0458a0df07c24eca761c4ed3
SHA1c28f89709d8d5620b49449f2e62f3bb2f53781b1
SHA25627e9054f5451fc9b66feebad65f841f5795b37b4903496ecd3218c46aba7b553
SHA5122b2a5d14b97b3034c41163830b17dc4b7b84427468ad0cf3e877cde9a095df83a33203b87516c6963c85e86e21d64574f6a5f2ceab7ab3451451e16e49bc8cbf
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
13.8MB
MD5d727afbe20402c0156132020f77c3072
SHA1a1a5dc554c57a1110fc1390affcf2d3234ab00b9
SHA256a15960f660164d76875fd880d2f9ed3c0eee62499690cfdfc47d6f89d32b98ea
SHA512212ff1352d10be5aa72eecf0e7b50b5ec211cb9ab14335875b477952324b75ccb8fa996033b078f891812da0324e289351f0a97530c2c8de3b6cd17195d4a5bc
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Filesize
6KB
MD5097ad602d264355d5219ffaed4b21d83
SHA1230a97b95f9a6593eca77cbbc04a18a62be1004e
SHA25637feb1a2644f1172a0cd22bb4bcd2fd4de3cd99b3a17114e29298117c236c7af
SHA512a6a9451da70d2216405c474808a16367d58a40d58ddcd4814798eed3396846c7b48ab6107297d3a55768957e8b5c4f657f912fe60c65d23931a600f74a402db7
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Filesize
129B
MD52f7632c9fa345742270cdc12eb352ac9
SHA11ead753d18cea4b40d075d08dd0730da76808b42
SHA2568de84b5664cbeaacd93cc1d9703b6d69077294be7d00a812814e20fe6f7df6c2
SHA512c37f788455d13997e671671b82c845955044605333892c9f950fc20262f222c795f061188a8446ad42536c3120d5c3e570d2b063329ad0e926648517486f7ac1