Resubmissions
14/08/2026, 11:12
260814-naxbpsswhw1003/08/2024, 12:19
240803-pg7lpasfql1015/03/2024, 00:25
240315-aqtc4adf331015/03/2024, 00:20
240315-amv3hsde3910Analysis
- max time kernel
122s - max time network
123s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 (356) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
- Deletes itself 1 IoCs
pid Process 2940 367B.tmp - Executes dropped EXE 1 IoCs
pid Process 2940 367B.tmp - Loads dropped DLL 1 IoCs
pid Process 2244 LB3.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-1-5-21-3452737119-3959686427-228443150-1000\desktop.ini LB3.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3452737119-3959686427-228443150-1000\desktop.ini LB3.exe - Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\xcEElHqGu.bmp" LB3.exe Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\xcEElHqGu.bmp" LB3.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2940 367B.tmp - Modifies Control Panel 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Control Panel\Desktop LB3.exe Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Control Panel\Desktop\WallpaperStyle = "10" LB3.exe - Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.xcEElHqGu LB3.exe 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 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2244 LB3.exe 2244 LB3.exe 2244 LB3.exe 2244 LB3.exe 2244 LB3.exe 2244 LB3.exe 2244 LB3.exe 2244 LB3.exe 2244 LB3.exe 2244 LB3.exe 2244 LB3.exe 2244 LB3.exe 2244 LB3.exe 2244 LB3.exe - Suspicious behavior: RenamesItself 26 IoCs
pid Process 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp 2940 367B.tmp - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeDebugPrivilege 2244 LB3.exe Token: 36 2244 LB3.exe Token: SeImpersonatePrivilege 2244 LB3.exe Token: SeIncBasePriorityPrivilege 2244 LB3.exe Token: SeIncreaseQuotaPrivilege 2244 LB3.exe Token: 33 2244 LB3.exe Token: SeManageVolumePrivilege 2244 LB3.exe Token: SeProfSingleProcessPrivilege 2244 LB3.exe Token: SeRestorePrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeSystemProfilePrivilege 2244 LB3.exe Token: SeTakeOwnershipPrivilege 2244 LB3.exe Token: SeShutdownPrivilege 2244 LB3.exe Token: SeDebugPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeBackupPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe Token: SeSecurityPrivilege 2244 LB3.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2244 wrote to memory of 2940 2244 LB3.exe 30 PID 2244 wrote to memory of 2940 2244 LB3.exe 30 PID 2244 wrote to memory of 2940 2244 LB3.exe 30 PID 2244 wrote to memory of 2940 2244 LB3.exe 30 PID 2244 wrote to memory of 2940 2244 LB3.exe 30 PID 2940 wrote to memory of 1472 2940 367B.tmp 31 PID 2940 wrote to memory of 1472 2940 367B.tmp 31 PID 2940 wrote to memory of 1472 2940 367B.tmp 31 PID 2940 wrote to memory of 1472 2940 367B.tmp 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\LB3.exe"C:\Users\Admin\AppData\Local\Temp\LB3.exe"1⤵
- Loads dropped DLL
- 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:2244 -
C:\ProgramData\367B.tmp"C:\ProgramData\367B.tmp"2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- 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\367B.tmp >> NUL3⤵PID:1472
-
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x14c1⤵PID:2856
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\$Recycle.Bin\S-1-5-21-3452737119-3959686427-228443150-1000\desktop.ini
- Size 129B
- SHA256 94ed753210b86d66f36f84ab79b7d771e0b27a45e95390767c27514f7a215272
- MD5 892fb6ce3889a1c5c5f854bbd2f2e944
- SHA1 4d625755f3d560668bcacce7b191e544606a8324
- SHA512 8c700dd0a2aecfde0040efd728c7ec590ff22072d7479dfe4bad32fedc49890872a0def538eb01a39eb7063edea694a2dc1759d82da1cda4fa93b33815b69591
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\RRRRRRR
- Size 147KB
- SHA256 3bb07b1c6ec4fed2635eba58dc5602fc9c52268243a9a338f302e64794e5e626
- MD5 789c5b7a6541be3acc4f301371a005b0
- SHA1 4ac960e08b0ea1d5300857a71fa3006e91a43a65
- SHA512 db471b36e1eaf0431f0b84deff514ee74f452025b15ec6960277a0b6679db7acd96fb75cabfff40caa1ae845b4511831f0eed046c5aa872d5f45bf75b58a52b3
- SSDEEP 3072:hBcAnBWQuXO5z5d2mvFtEc2BcAnBWQuXO5z5d2mvFtEc2BcAnBWQuH:h5wO5ldrsV5wO5ldrsV5K
- 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-1-5-21-3452737119-3959686427-228443150-1000\DDDDDDDDDDD
- Size 129B
- SHA256 5c41076fc300161a7a0789034d0324b27f0b0dfabd5a0a7601d45f5eab599eef
- MD5 3e655daab0ca68e552edf2e700325056
- SHA1 ee3876c0c80b496fd6a6fad99f9f604f9d2184ce
- SHA512 93651b63f2a8e6c24b9407e379300f4a25e768116d6a8c1363d242b907b3cfe8d3e545da83b82f2a15fa425d835fe8417267ee87705f64702e732df894c5c57f
- MD5 SHA1 SHA512
- Path \ProgramData\367B.tmp
- Size 14KB
- SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
- MD5 294e9f64cb1642dd89229fff0592856b
- SHA1 97b148c27f3da29ba7b18d6aee8a0db9102f47c9
- SHA512 b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
- SSDEEP 384:5cFP7VtpK4p+31Mzh79W5vM+ZyUgGq4BtMvAxXCRsi:A7Vf9p+qQ02y5HW6kX
- MD5 SHA1 SHA512 SSDEEP