lockbit | d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847

Resubmissions

03/08/2024, 12:19 UTC

240803-pg7lpasfql 10

15/03/2024, 00:25 UTC

240315-aqtc4adf33 10

15/03/2024, 00:20 UTC

240315-amv3hsde39 10

Analysis

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 UTC

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Report Analysis Logs

General

Target

LB3.exe
Size

147KB
MD5

1973ccbab82020881d531ccd1f2ca48e
SHA1

7e18f712e26ea32b0e8aeb4cd3c958eb8d32dfed
SHA256

d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847
SHA512

67654e67afe6a3e1ddf335dff4b976e254c45d8046853607cb4e98af6cd43accee8f2e35e296b932385bc9a6b7fed96ee4be6e113457eb5eb057bd8301f476f6
SSDEEP

1536:PzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xD8UhzyIccE+72p2Kbm+0ep3PeAM:wqJogYkcSNm9V7D8URMcS0ep3BcTT

Score

10^/10

lockbit ransomware spyware stealer

Malware Config

Extracted

Path

C:\xcEElHqGu.README.txt

Family

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.
ransomware lockbit
Renames multiple (356) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

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.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

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

ransomware

Defacement

T1491

Modify Registry

T1112

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

evasion

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

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 >> NUL
    3⤵
    PID:1472

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x14c
1⤵
PID:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact