lockbit | 0f167bb868db3803ef173ce5fadfe833481e4795ca71c2783e136510c5e7a805

Analysis

max time kernel
128s
max time network
135s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
29-10-2024 00:31

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General

Target

LB3.exe
Size

153KB
MD5

b5274494c0f741ee41253bf00a69bbee
SHA1

57291aaafa094c834312ba9479c029fee64eafec
SHA256

0f167bb868db3803ef173ce5fadfe833481e4795ca71c2783e136510c5e7a805
SHA512

cd95ed3d750e9625c253f16798e48b170a0864db455d3718be10c402b5770bf9350d1319dab8419c59a636ffbb8a463d1fe5aecdbf53e95bf9d7684f543c1600
SSDEEP

1536:0zICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDBVAlVdhpOs7xuTdiK9IQlG1RUk:bqJogYkcSNm9V7DBVApOstuTkKnG7T

Score

10^/10

lockbit defense_evasion discovery ransomware spyware stealer

Malware Config

Extracted

Path

C:\6jqxT51Ui.README.txt

Family

lockbit

Ransom Note

~~~ LockBit 3.0 the world's fastest ransomware since 2019~~~ >>>> Your data are stolen and encrypted The data will be published on TOR website if you do not pay the ransom Links for Tor Browser: 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 Links for the normal browser 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 >>>> What guarantees that we will not deceive you? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. Life is too short to be sad. Be not sad, money, it is only paper. If we do not give you decrypters, or we do not delete your data after payment, then nobody will pay us in the future. Therefore to us our reputation is very important. We attack the companies worldwide and there is no dissatisfied victim after payment. You can obtain information about us on twitter https://twitter.com/hashtag/lockbit?f=live >>>> You need contact us and decrypt one file for free on these TOR sites with your personal DECRYPTION ID Download and install TOR Browser https://www.torproject.org/ Write to a chat and wait for the answer, we will always answer you. Sometimes you will need to wait for our answer because we attack many companies. Links for Tor Browser: http://lockbitsupt7nr3fa6e7xyb73lk6bw6rcneqhoyblniiabj4uwvzapqd.onion http://lockbitsupuhswh4izvoucoxsbnotkmgq6durg7kficg6u33zfvq3oyd.onion http://lockbitsupn2h6be2cnqpvncyhj4rgmnwn44633hnzzmtxdvjoqlp7yd.onion Link for the normal browser http://lockbitsupp.uz If you do not get an answer in the chat room for a long time, the site does not work and in any other emergency, you can contact us in jabber or tox. Tox ID LockBitSupp: 3085B89A0C515D2FB124D645906F5D3DA5CB97CEBEA975959AE4F95302A04E1D709C3C4AE9B7 XMPP (Jabber) Support: [email protected] [email protected] >>>> Your personal DECRYPTION ID: 65B60379F50BEE0BA4F9DEA0AB0E9878 >>>> Warning! Do not DELETE or MODIFY any files, it can lead to recovery problems! >>>> Warning! If you do not pay the ransom we will attack your company repeatedly again! >>>> Advertisement Would you like to earn millions of dollars $$$ ? Our company acquire access to networks of various companies, as well as insider information that can help you steal the most valuable data of any company. You can provide us accounting data for the access to any company, for example, login and password to RDP, VPN, corporate email, etc. Open our letter at your email. Launch the provided virus on any computer in your company. You can do it both using your work computer or the computer of any other employee in order to divert suspicion of being in collusion with us. Companies pay us the foreclosure for the decryption of files and prevention of data leak. You can contact us using Tox messenger without registration and SMS https://tox.chat/download.html. Using Tox messenger, we will never know your real name, it means your privacy is guaranteed. If you want to contact us, write in jabber or tox. Tox ID LockBitSupp: 3085B89A0C515D2FB124D645906F5D3DA5CB97CEBEA975959AE4F95302A04E1D709C3C4AE9B7 XMPP (Jabber) Support: [email protected] [email protected] If this contact is expired, and we do not respond you, look for the relevant contact data on our website via Tor or Brave browser Links for Tor Browser: 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 Links for the normal browser 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

Emails

[email protected]

URLs

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

Signatures

Lockbit
Ransomware family with multiple variants released since late 2019.
ransomware lockbit
Lockbit family
lockbit
Renames multiple (526) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Deletes itself 1 IoCs

Processes:

CDB1.tmp

pid	Process
4820	CDB1.tmp

Executes dropped EXE 1 IoCs

Processes:

CDB1.tmp

pid	Process
4820	CDB1.tmp

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Drops desktop.ini file(s) 2 IoCs

Processes:

LB3.exe

description	ioc	Process
File opened for modification	C:\$Recycle.Bin\S-1-5-21-2253712635-4068079004-3870069674-1000\desktop.ini	LB3.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-2253712635-4068079004-3870069674-1000\desktop.ini	LB3.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 4 IoCs

Processes:

printfilterpipelinesvc.exesplwow64.exe

description	ioc	Process
File created	C:\Windows\system32\spool\PRINTERS\PPes8an4ztbdzh880xzs30wu6vc.TMP	printfilterpipelinesvc.exe
File created	C:\Windows\system32\spool\PRINTERS\PP5v7pjgw5qx2vzta1lgo064cpb.TMP	printfilterpipelinesvc.exe
File created	C:\Windows\system32\spool\PRINTERS\00002.SPL	splwow64.exe
File created	C:\Windows\system32\spool\PRINTERS\PPctwpvgcxr0yq0608ulnff_prd.TMP	printfilterpipelinesvc.exe

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

LB3.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\6jqxT51Ui.bmp"	LB3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\6jqxT51Ui.bmp"	LB3.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

CDB1.tmp

pid	Process
4820	CDB1.tmp

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

discovery

System Language Discovery

T1614.001

Processes:

CDB1.tmpcmd.exeLB3.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CDB1.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LB3.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

ONENOTE.EXE

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

ONENOTE.EXE

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	ONENOTE.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	ONENOTE.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	ONENOTE.EXE

Modifies Control Panel 2 IoCs

evasion

Processes:

LB3.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000\Control Panel\Desktop\WallpaperStyle = "10"	LB3.exe
Key created	\REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000\Control Panel\Desktop	LB3.exe

Modifies registry class 9 IoCs

Processes:

BackgroundTransferHost.exeLB3.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000_Classes\Local Settings\MuiCache	BackgroundTransferHost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.6jqxT51Ui	LB3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\6jqxT51Ui	LB3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:"	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.6jqxT51Ui\ = "6jqxT51Ui"	LB3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\6jqxT51Ui\DefaultIcon	LB3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\6jqxT51Ui\DefaultIcon\ = "C:\\ProgramData\\6jqxT51Ui.ico"	LB3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix	BackgroundTransferHost.exe

Opens file in notepad (likely ransom note) 2 IoCs

ransomware

Processes:

NOTEPAD.EXENOTEPAD.EXE

pid	Process
2312	NOTEPAD.EXE
2388	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

ONENOTE.EXE

pid	Process
3952	ONENOTE.EXE
3952	ONENOTE.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

LB3.exe

pid	Process
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe
3328	LB3.exe

Suspicious behavior: RenamesItself 26 IoCs

Processes:

CDB1.tmp

pid	Process
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp
4820	CDB1.tmp

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

LB3.exe

description	pid	Process
Token: SeAssignPrimaryTokenPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeDebugPrivilege	3328	LB3.exe
Token: 36	3328	LB3.exe
Token: SeImpersonatePrivilege	3328	LB3.exe
Token: SeIncBasePriorityPrivilege	3328	LB3.exe
Token: SeIncreaseQuotaPrivilege	3328	LB3.exe
Token: 33	3328	LB3.exe
Token: SeManageVolumePrivilege	3328	LB3.exe
Token: SeProfSingleProcessPrivilege	3328	LB3.exe
Token: SeRestorePrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeSystemProfilePrivilege	3328	LB3.exe
Token: SeTakeOwnershipPrivilege	3328	LB3.exe
Token: SeShutdownPrivilege	3328	LB3.exe
Token: SeDebugPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeBackupPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe
Token: SeSecurityPrivilege	3328	LB3.exe

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

ONENOTE.EXE

pid	Process
3952	ONENOTE.EXE
3952	ONENOTE.EXE
3952	ONENOTE.EXE
3952	ONENOTE.EXE
3952	ONENOTE.EXE
3952	ONENOTE.EXE
3952	ONENOTE.EXE
3952	ONENOTE.EXE
3952	ONENOTE.EXE
3952	ONENOTE.EXE
3952	ONENOTE.EXE
3952	ONENOTE.EXE
3952	ONENOTE.EXE
3952	ONENOTE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

LB3.exeprintfilterpipelinesvc.exeCDB1.tmp

description	pid	Process	procid_target
PID 3328 wrote to memory of 2392	3328	LB3.exe	83
PID 3328 wrote to memory of 2392	3328	LB3.exe	83
PID 788 wrote to memory of 3952	788	printfilterpipelinesvc.exe	87
PID 788 wrote to memory of 3952	788	printfilterpipelinesvc.exe	87
PID 3328 wrote to memory of 4820	3328	LB3.exe	88
PID 3328 wrote to memory of 4820	3328	LB3.exe	88
PID 3328 wrote to memory of 4820	3328	LB3.exe	88
PID 3328 wrote to memory of 4820	3328	LB3.exe	88
PID 4820 wrote to memory of 1604	4820	CDB1.tmp	89
PID 4820 wrote to memory of 1604	4820	CDB1.tmp	89
PID 4820 wrote to memory of 1604	4820	CDB1.tmp	89

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
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3328
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  - Drops file in System32 directory
  PID:2392
- C:\ProgramData\CDB1.tmp
  "C:\ProgramData\CDB1.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:4820
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\CDB1.tmp >> NUL
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1604

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:4076

C:\Windows\system32\printfilterpipelinesvc.exe
C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:788
- C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
  /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{29E1D9FA-096D-4BCD-9DAA-D3E9A47A38E5}.xps" 133746354872810000
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  PID:3952

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\6jqxT51Ui.README.txt
1⤵
- Opens file in notepad (likely ransom note)
PID:2312

C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.13
1⤵
- Modifies registry class
PID:2428

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\6jqxT51Ui.README.txt
1⤵
- Opens file in notepad (likely ransom note)
PID:2388

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Defacement

T1491

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-2253712635-4068079004-3870069674-1000\desktop.ini

Filesize
129B

MD5
20e1d59ac74dc62350da5ad154781cf8

SHA1
7f792ef4f447719c8939c3d8d8ebd9519ab62418

SHA256
b0ab50f69b42c0f6974cc79b23ddfa9505edcc446e32413ab78956a2806e3f28

SHA512
220707851b10430d4c2fa367f2f0b277e95f0bf188bb46f9c133b614e1815c4af2b5b504f287d1f7910a88e86e930d2b86c783a0fc399078372327aefb790545

Download Submit
C:\6jqxT51Ui.README.txt

Filesize
6KB

MD5
8810cd9729ad789a1e780da9ba4519cc

SHA1
7f73abb2396611e64714c39d82ad6715b004769d

SHA256
35121191a0f5063c45381f7c2b560ea6637f3bdf7a2e45304e7414c5b08d7cda

SHA512
dabb45dcd3fe3dea64dada02d9cf1d9c8394a5cf513baeab2c3b74e000f1209b203dc34810c8c5432e8e1dc1b368d5d14007657b72c28395089177bec929f260

Download Submit
C:\ProgramData\CDB1.tmp

Filesize
14KB

MD5
294e9f64cb1642dd89229fff0592856b

SHA1
97b148c27f3da29ba7b18d6aee8a0db9102f47c9

SHA256
917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

SHA512
b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

Download Submit
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\BackgroundTransferApi\7de6a8f2-747e-4af4-ae31-4f2011e1c785.down_data

Filesize
555KB

MD5
5683c0028832cae4ef93ca39c8ac5029

SHA1
248755e4e1db552e0b6f8651b04ca6d1b31a86fb

SHA256
855abd360d8a8d6974eba92b70cbd09ce519bc8773439993f9ab37cb6847309e

SHA512
aba434bd29be191c823b02ea9b639beb10647bbe7759bbffdaa790dfb1ec2c58d74c525ef11aacda209e4effe322d1d3a07b115446c8914b07a3bce4d8a0e2c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\EEEEEEE

Filesize
153KB

MD5
abd59df1fd13d4205a5a730b5580bb94

SHA1
fe7cd6639a828c375065519bb2084aa519ac6527

SHA256
a7678cbc588fddc8c4c263da824c3aa8f673c2de21e6dabf5f3fdae5fce5f97a

SHA512
b4e6dee4fd8f3da5429492c6c364d4d3695a2db8e0cf45484bb98955b46142bcc5ecdec83c20b5c0b547189d8b4c8a7e08d54205100484f3689dbfa0c27b10fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\{5854A136-C1B7-4B47-953A-AE6FD6CB9A78}

Filesize
4KB

MD5
c5dece65616d792b8f85ecc3ff537ea1

SHA1
593b32e30adafd84172525a43a4b815993ae4174

SHA256
a826e1f3cb81ae8b91ae8ba1bcbdfadc71e7631b1534182c3271b4b150637ea6

SHA512
09eee2a45f91d5d98bbf513c8e786d4c79d64a1323403eeb9560ac48a73f1d589549ced0710a019b745bbbf2ac443dca45408bbf01cedefd21acf1e2fd8e9526

Download Submit
C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2

Filesize
4KB

MD5
72cdd79b4663d7e04eb3421fa4fc4040

SHA1
580eeb6b43f9f54ff9b6a92c2ed6b915d16d07f6

SHA256
e45e81fa5ef73a2e38e65a6cfc174ee4a8c85ea1fb97e72fe7b4bf1b60fbe366

SHA512
86465ee7b75736798926d1664aa1b9720caa0682e1568dfeda0840a9074ee72fa842a0474c863d1ec557c4ed6f8179e25630f4b2cdf24aa2846a0d99d200d8d4

Download Submit
F:\$RECYCLE.BIN\S-1-5-21-2253712635-4068079004-3870069674-1000\DDDDDDDDDDD

Filesize
129B

MD5
d802b5201d7477b4bc18d519e67b464b

SHA1
eb0477790d935b2d23341c6fea7dacc2fda6fd29

SHA256
cbf367dd4a2b9c505f1da00c46108356d190759b77a22342e91d9b31fd398b21

SHA512
e10644d8620280d039dab3dcc746656100dfced8996a1ba861c66f78f7ccadaca331b8a053e3c69a95f49cbbfb6827218ed99fbd2f9333d450a5453485f2d70a

Download Submit
memory/3328-2759-0x0000000002750000-0x0000000002760000-memory.dmp

Filesize
64KB

Download
memory/3328-2761-0x0000000002750000-0x0000000002760000-memory.dmp

Filesize
64KB

Download
memory/3328-2-0x0000000002750000-0x0000000002760000-memory.dmp

Filesize
64KB

Download
memory/3328-1-0x0000000002750000-0x0000000002760000-memory.dmp

Filesize
64KB

Download
memory/3328-0-0x0000000002750000-0x0000000002760000-memory.dmp

Filesize
64KB

Download
memory/3328-2760-0x0000000002750000-0x0000000002760000-memory.dmp

Filesize
64KB

Download
memory/3952-2812-0x00007FF8CA7B0000-0x00007FF8CA7C0000-memory.dmp

Filesize
64KB

Download
memory/3952-2778-0x00007FF8CCC50000-0x00007FF8CCC60000-memory.dmp

Filesize
64KB

Download
memory/3952-2811-0x00007FF8CA7B0000-0x00007FF8CA7C0000-memory.dmp

Filesize
64KB

Download
memory/3952-2774-0x00007FF8CCC50000-0x00007FF8CCC60000-memory.dmp

Filesize
64KB

Download
memory/3952-2777-0x00007FF8CCC50000-0x00007FF8CCC60000-memory.dmp

Filesize
64KB

Download
memory/3952-2776-0x00007FF8CCC50000-0x00007FF8CCC60000-memory.dmp

Filesize
64KB

Download
memory/3952-2850-0x00007FF8CCC50000-0x00007FF8CCC60000-memory.dmp

Filesize
64KB

Download
memory/3952-2849-0x00007FF8CCC50000-0x00007FF8CCC60000-memory.dmp

Filesize
64KB

Download
memory/3952-2848-0x00007FF8CCC50000-0x00007FF8CCC60000-memory.dmp

Filesize
64KB

Download
memory/3952-2847-0x00007FF8CCC50000-0x00007FF8CCC60000-memory.dmp

Filesize
64KB

Download
memory/3952-2775-0x00007FF8CCC50000-0x00007FF8CCC60000-memory.dmp

Filesize
64KB

Download