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240315-amv3hsde3910Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
15/03/2024, 00:20
Behavioral task
behavioral1
Sample
LB3.exe
Resource
win7-20240221-en
windows7-x64
15 signatures
150 seconds
Behavioral task
behavioral2
Sample
LB3.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
21 signatures
150 seconds
General
- Target LB3.exe
- Size 147KB
- Sample240315-amv3hsde39
- SHA256 d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847
- MD5 1973ccbab82020881d531ccd1f2ca48e
- SHA1 7e18f712e26ea32b0e8aeb4cd3c958eb8d32dfed
- SHA512 67654e67afe6a3e1ddf335dff4b976e254c45d8046853607cb4e98af6cd43accee8f2e35e296b932385bc9a6b7fed96ee4be6e113457eb5eb057bd8301f476f6
- SSDEEP 1536:PzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xD8UhzyIccE+72p2Kbm+0ep3PeAM:wqJogYkcSNm9V7D8URMcS0ep3BcTT
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Path
-
C:\xcEElHqGu.README.txt
-
lockbit
Ransom Note
- ~~~ LockBit 3.0 the world's fastest ransomware~~~ >>>> Your data are stolen and encrypted The data will be published on TOR website if you do not pay the ransom All of your files have been encrypted! (Warning: Attempting to remove the software will corrupt your hard drives meaning no further use even when wiped. We simply charge $25 which is far cheaper than buying a new drive.) Your computer was infected with a ransomware software. Your files have been encrypted and you won't be able to decrypt them without purchasing $25 BTC. What can I do to get my files back? You will send payment of $25 BTC to gain access to your files again, once payment is made after 3 confirmations on the blockchain (15 mins) your files will be restored and the software will un-install itself from your computer. How do I pay, where do I get Bitcoin? Purchasing Bitcoin varies from country to country, you are best advised to do a quick google search yourself to find out how to buy Bitcoin. Many of our customers have reported these sites to be fast and reliable: Coinmama - hxxps://www.coinmama.com Bitpanda - hxxps://www.bitpanda.com Payment will increase soon to double, be cooperative and your files will be released. Payment information Amount: 0.000385636 BTC Bitcoin Address: bc1qc76qr24pxnms9f93mytfg4dn7ztuvmje7g43dr
Signatures
- Lockbit
Ransomware family with multiple variants released since late 2019.
- Renames multiple (621) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
- 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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 196B.tmp - Deletes itself 1 IoCs
pid Process 2324 196B.tmp - Executes dropped EXE 1 IoCs
pid Process 2324 196B.tmp - 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-1-5-21-3808065738-1666277613-1125846146-1000\desktop.ini LB3.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\desktop.ini LB3.exe - Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\system32\spool\PRINTERS\00002.SPL splwow64.exe File created C:\Windows\system32\spool\PRINTERS\PP7p22yzbd5jayhw50q9t0ppum.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\PPrfm30f9p40yzuwc08f1i44lob.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\PPcuqj6u3bk0piutglkq5bad00.TMP printfilterpipelinesvc.exe - Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\xcEElHqGu.bmp" LB3.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\xcEElHqGu.bmp" LB3.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2324 196B.tmp - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 ONENOTE.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz ONENOTE.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ONENOTE.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily ONENOTE.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU ONENOTE.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS ONENOTE.EXE - Modifies Control Panel 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\Desktop LB3.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\Desktop\WallpaperStyle = "10" LB3.exe - Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.xcEElHqGu\ = "xcEElHqGu" LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\xcEElHqGu\DefaultIcon LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\xcEElHqGu LB3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\xcEElHqGu\DefaultIcon\ = "C:\\ProgramData\\xcEElHqGu.ico" LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.xcEElHqGu LB3.exe - Opens file in notepad (likely ransom note) 2 IoCs
pid Process 1684 NOTEPAD.EXE 5076 NOTEPAD.EXE - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe 3248 LB3.exe - Suspicious behavior: RenamesItself 26 IoCs
pid Process 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp 2324 196B.tmp - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeDebugPrivilege 3248 LB3.exe Token: 36 3248 LB3.exe Token: SeImpersonatePrivilege 3248 LB3.exe Token: SeIncBasePriorityPrivilege 3248 LB3.exe Token: SeIncreaseQuotaPrivilege 3248 LB3.exe Token: 33 3248 LB3.exe Token: SeManageVolumePrivilege 3248 LB3.exe Token: SeProfSingleProcessPrivilege 3248 LB3.exe Token: SeRestorePrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeSystemProfilePrivilege 3248 LB3.exe Token: SeTakeOwnershipPrivilege 3248 LB3.exe Token: SeShutdownPrivilege 3248 LB3.exe Token: SeDebugPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeBackupPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe Token: SeSecurityPrivilege 3248 LB3.exe - Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE 4296 ONENOTE.EXE - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3248 wrote to memory of 4404 3248 LB3.exe 112 PID 3248 wrote to memory of 4404 3248 LB3.exe 112 PID 4672 wrote to memory of 4296 4672 printfilterpipelinesvc.exe 115 PID 4672 wrote to memory of 4296 4672 printfilterpipelinesvc.exe 115 PID 3248 wrote to memory of 2324 3248 LB3.exe 116 PID 3248 wrote to memory of 2324 3248 LB3.exe 116 PID 3248 wrote to memory of 2324 3248 LB3.exe 116 PID 3248 wrote to memory of 2324 3248 LB3.exe 116 PID 2324 wrote to memory of 3216 2324 196B.tmp 117 PID 2324 wrote to memory of 3216 2324 196B.tmp 117 PID 2324 wrote to memory of 3216 2324 196B.tmp 117
Processes
-
C:\Users\Admin\AppData\Local\Temp\LB3.exe"C:\Users\Admin\AppData\Local\Temp\LB3.exe"1⤵
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3248 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
- Drops file in System32 directory
PID:4404
-
-
C:\ProgramData\196B.tmp"C:\ProgramData\196B.tmp"2⤵
- Checks computer location settings
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2324 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\196B.tmp >> NUL3⤵PID:3216
-
-
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\xcEElHqGu.README.txt1⤵
- Opens file in notepad (likely ransom note)
PID:1684
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1420 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:81⤵PID:5088
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\xcEElHqGu.README.txt1⤵
- Opens file in notepad (likely ransom note)
PID:5076
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:4340
-
C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe -Embedding1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4672 -
C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{1E5DC798-666C-4280-BDFB-44EA9EA4D966}.xps" 1335493569089300002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
PID:4296
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-3808065738-1666277613-1125846146-1000\EEEEEEEEEEE
- Size 129B
- SHA256 b9d225c9d60470eaced140aa408ac601bae8fc3a3fabbd806ed40d5df9ee49fd
- MD5 fbb6382d7251edfc8e4cc832d60fe515
- SHA1 8820a4187f6d798f6ae15ff834511a627edda754
- SHA512 6929999b28fe748ffb4ee0aa56749c3e9c677df958221bdf9b99ffc575ca4061bc9a1d86f17db11a5ed5d27c87678d2a19cab789cb8edf584cfb461024cae85f
- MD5 SHA1 SHA512
- Path C:\ProgramData\196B.tmp
- Size 14KB
- SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
- MD5 294e9f64cb1642dd89229fff0592856b
- SHA1 97b148c27f3da29ba7b18d6aee8a0db9102f47c9
- SHA512 b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
- SSDEEP 384:5cFP7VtpK4p+31Mzh79W5vM+ZyUgGq4BtMvAxXCRsi:A7Vf9p+qQ02y5HW6kX
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\EEEEEEE
- Size 147KB
- SHA256 bf0fce7a116cab827df13677469664a62b3aef805e53fa3332f33551a81cf269
- MD5 04ce88e9c1138f84ba8ce1a05a382ae0
- SHA1 1416918b9c139a6b416de27abbaa2fb03ae8d347
- SHA512 8581a7cfc2dc8137c7a2ddcac2f5977f4e295896bf69f9047dd92611dfa93a8d6c024a6fda97b301356eb53e46d09a70e906e28bf258c3447fbf9ced3bff7b4e
- SSDEEP 3072:IZBCXzFU+xSozdTN3C97SnOf2ZBCXzFU+xSozdTN3C97SnOf2ZBCXzG:IYzdSozdTNOijYzdSozdTNOijYzG
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\{FAC6DD77-AF7A-4B6C-B3E3-EAD3E1E5C943}
- Size 4KB
- SHA256 0925af33f8098242a0b3c5d611921f81f030a514d45b0d2cd3ef8e7c09275b05
- MD5 dc5bfc28960938b3119dd308a1e8daa5
- SHA1 8334175f0f33fda8d3cf4513168b3c5dbe5aa1e0
- SHA512 d6fa90a4d16c7642cbf64caa040ceb15cd22f03bee661a5511c45cf599d209355c0baef60aa487137bef807bdf0510604fb0df65999416f8920995d743a4cdb1
- SSDEEP 6:RaZfjYyfB3h1RRXUnfpDERg2PnFKuEhTFRAEhXlBRujlw//0lweI/gwAEhXljRuZ:RaNjYyf9/UfpDGg2IpzKWf/lzu
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
- Size 4KB
- SHA256 6b0e91e7d436133c4b29d779e0c8e85a59e815c778e4dd4bf46662a3ac1b0972
- MD5 5814aad5cc19704a9da13e11605d12af
- SHA1 00b1a92382e4171a3b007a0e518b4e18ad5da7a7
- SHA512 08a78200d736e7b84fbb7954216f026efc07fd1ac6899ccfecd0874fa1db021f95adb25cc796bd093254734f29c7f7576b3f34b24b0575beb1cfb44f7543c6fa
- SSDEEP 12:RaNjYyfHj/Uvy0g2IpzKW6/lz/NzGeBlEIxA/L:YNjYyfHY7g/5Kb/VGeBl1Aj
- MD5 SHA1 SHA512 SSDEEP
- Path C:\xcEElHqGu.README.txt
- Size 1KB
- SHA256 413dd9df6327c861bd0ba99a1e99b2b00b75961230d8b499c993419da1ecca29
- MD5 7fd2336a4cae4c2f51bb0860a6748860
- SHA1 69ef22fd3afb86945d371d4be0fe9c507880dd1b
- SHA512 8791bd4195522517edd5a05cec17473fb01bd9865d4f4ea9966ee105fc0dc9d720c56c84af278d3bb5b31915aba678b7786e086f4890ea138f2ff47f0288c523
- MD5 SHA1 SHA512
- Path F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\DDDDDDDDDDD
- Size 129B
- SHA256 b5f827027dc573782236d80bce651c42208f666d136211a4b064f3adacf7a3e9
- MD5 03c9a0b2bc31b6d5760ad8e6099afb97
- SHA1 5328ee207bc2586518cb2af727c12cae056cab88
- SHA512 e3926a961e78528b71d43e1c7a3cfa97372c598f402a17cc6e0c697d0cbee828de45231a08cb272246d4d52382cc2998d65dfb34582a308125cff0a06ab1d531
- MD5 SHA1 SHA512