4f1c9befcc873120533559c6915aaafd34497eba94d840db4ed28ceba2ebcd49

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-01-2025 12:42

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Report Analysis Logs

General

Target

LB3.exe
Size

147KB
MD5

0b6da3700a1bf266d6d2bbf27fd23165
SHA1

f64c2ebf3892e2d498f23b9a7886f67ebbbb2f28
SHA256

4f1c9befcc873120533559c6915aaafd34497eba94d840db4ed28ceba2ebcd49
SHA512

d39d6c9fa03ea2ed2c5aebf9f8811c1b3f3fca2092a8e25d980e8c0ab624d864d841bca9673c7fa843b44204d4f7fbcf1fcfe4fe3678e66a854ddfbf67240cce
SSDEEP

3072:t6glyuxE4GsUPnliByocWep4dd1fL5B594:t6gDBGpvEByocWeAfFn9

Score

10^/10

defense_evasion discovery ransomware spyware stealer

Malware Config

Extracted

Path

C:\MWlosDcWa.README.txt

Ransom Note

~~~ RdpLocker Recode the world's fastest ransomware~~~ >>>> Your data are stolen and encrypted >>>> Info Our encryption is undetectable and we can encrypt terabytes of data in minutes. A unique public and private key is generated exclusively for you. No one else can decrypt the files we have encrypted. Our services are cheap and reliable. >>>> 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. 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 contact us using Tox messenger without registration and SMS to negotiate the price. https://tox.chat/download.html Using Tox messenger, we will never know your real name, it means your privacy is guaranteed. RdpLocker Tox ID: CE93C52BFAFA16570B9821C7D0EE7999C78475AD964ACEEF80767B653210D27E3CE6C88F61A5

URLs

https://tox.chat/download.html

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	B259.tmp

Deletes itself 1 IoCs

pid	Process
1328	B259.tmp

Executes dropped EXE 1 IoCs

pid	Process
1328	B259.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

description	ioc	Process
File opened for modification	C:\$Recycle.Bin\S-1-5-21-3756129449-3121373848-4276368241-1000\desktop.ini	LB3.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-3756129449-3121373848-4276368241-1000\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

description	ioc	Process
File created	C:\Windows\system32\spool\PRINTERS\00002.SPL	splwow64.exe
File created	C:\Windows\system32\spool\PRINTERS\PPox80gfbpcct65li_3757yrntb.TMP	printfilterpipelinesvc.exe
File created	C:\Windows\system32\spool\PRINTERS\PP2rl920fv023i7zjq45200ww_c.TMP	printfilterpipelinesvc.exe
File created	C:\Windows\system32\spool\PRINTERS\PP1rn7idkh4rmiy9khkk3gd6exc.TMP	printfilterpipelinesvc.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

pid	Process
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
1328	B259.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LB3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	B259.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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

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

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

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2652	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2064	ONENOTE.EXE
2064	ONENOTE.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe
4384	LB3.exe

Suspicious behavior: RenamesItself 26 IoCs

pid	Process
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp
1328	B259.tmp

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeAssignPrimaryTokenPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeDebugPrivilege	4384	LB3.exe
Token: 36	4384	LB3.exe
Token: SeImpersonatePrivilege	4384	LB3.exe
Token: SeIncBasePriorityPrivilege	4384	LB3.exe
Token: SeIncreaseQuotaPrivilege	4384	LB3.exe
Token: 33	4384	LB3.exe
Token: SeManageVolumePrivilege	4384	LB3.exe
Token: SeProfSingleProcessPrivilege	4384	LB3.exe
Token: SeRestorePrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeSystemProfilePrivilege	4384	LB3.exe
Token: SeTakeOwnershipPrivilege	4384	LB3.exe
Token: SeShutdownPrivilege	4384	LB3.exe
Token: SeDebugPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeBackupPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe
Token: SeSecurityPrivilege	4384	LB3.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2652	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
2064	ONENOTE.EXE
2064	ONENOTE.EXE
2064	ONENOTE.EXE
2064	ONENOTE.EXE
2064	ONENOTE.EXE
2064	ONENOTE.EXE
2064	ONENOTE.EXE
2064	ONENOTE.EXE
2064	ONENOTE.EXE
2064	ONENOTE.EXE
2064	ONENOTE.EXE
2064	ONENOTE.EXE
2064	ONENOTE.EXE
2064	ONENOTE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4384 wrote to memory of 3920	4384	LB3.exe	86
PID 4384 wrote to memory of 3920	4384	LB3.exe	86
PID 4384 wrote to memory of 1328	4384	LB3.exe	92
PID 4384 wrote to memory of 1328	4384	LB3.exe	92
PID 4384 wrote to memory of 1328	4384	LB3.exe	92
PID 4384 wrote to memory of 1328	4384	LB3.exe	92
PID 5088 wrote to memory of 2064	5088	printfilterpipelinesvc.exe	93
PID 5088 wrote to memory of 2064	5088	printfilterpipelinesvc.exe	93
PID 1328 wrote to memory of 2812	1328	B259.tmp	94
PID 1328 wrote to memory of 2812	1328	B259.tmp	94
PID 1328 wrote to memory of 2812	1328	B259.tmp	94

C:\Users\Admin\AppData\Local\Temp\LB3.exe
"C:\Users\Admin\AppData\Local\Temp\LB3.exe"
1⤵
- Drops desktop.ini file(s)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4384
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  - Drops file in System32 directory
  PID:3920
- C:\ProgramData\B259.tmp
  "C:\ProgramData\B259.tmp"
  2⤵
  - Checks computer location settings
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:1328
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\B259.tmp >> NUL
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2812

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\MWlosDcWa.README.txt
1⤵
- Opens file in notepad (likely ransom note)
- Suspicious use of FindShellTrayWindow
PID:2652

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:4656

C:\Windows\system32\printfilterpipelinesvc.exe
C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:5088
- C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
  /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{31023321-1D11-4ACA-89CC-F70C2EF881EF}.xps" 133806409882910000
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  PID:2064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

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

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-3756129449-3121373848-4276368241-1000\AAAAAAAAAAA

Filesize
129B

MD5
cf4da01e4c200c2dac36ef1323ab8139

SHA1
24541dbbd8f0aafc4955302f1271440336ecb1d6

SHA256
edb8c2411262da2ff93e454b906962b1a0aff6343230afe23d07d69166169e46

SHA512
245f2e1b88e524050643f406385ef6ee3e07c947d12a4b73f765d93fdb44b764a9a2c2fd31c1057d8c3f4463ec36fc80789d9cf098a319596068b3c946ab38c5

Download Submit
C:\MWlosDcWa.README.txt

Filesize
1KB

MD5
0fc102c3422c21c1aadfaa1a656dc970

SHA1
49cc540c7a5eaa4f12cacdb21e788335d535ccc0

SHA256
fe49a063ebe0b4154321062c1110876bab03710ab367d8a5e3dee6e75fc79029

SHA512
8cf822ec2d69b4f4bfdc3303b142ff21315d6e5483a98efa834d039f68a6f57e249d374d3c127a65f524123464532afa5700b4dd4808236b082f7a420a260ab0

Download Submit
C:\ProgramData\B259.tmp

Filesize
14KB

MD5
294e9f64cb1642dd89229fff0592856b

SHA1
97b148c27f3da29ba7b18d6aee8a0db9102f47c9

SHA256
917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

SHA512
b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

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

Filesize
147KB

MD5
64684307e4ce87f2fdd54827ad658e9f

SHA1
208c32a727cdfd9f425617d2520a9a298b79b7bf

SHA256
d5622fde4f65a430d7efdf9f6deca947bf8bb0435374878d1b44188060e9f1ff

SHA512
bf44934815da12422da1782c4554baf4d9b7422225ef057901befa3a9da6c5adc9b0015cebed731f6a9e1d34a1773b27dd0fb165d39726f70653fd7f5932cbf9

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

Filesize
4KB

MD5
3e95ae8f2653aabbd6fd4e7389e49fda

SHA1
ebad319f07b46cfbd7c4e5b625bbe53c19af1087

SHA256
c0fd9932a28491123b494651ab7da50d059811631520fd443c777c65bf6aa42e

SHA512
fbd533249cd2161c7b194f344e4de92e61ca67b1a304132ca0b0a65da638c0b9c9ec5fbd2a828f8344746bf0f106cfa74c10f40ebd0caac8f9f74d0951247ee1

Download Submit
F:\$RECYCLE.BIN\S-1-5-21-3756129449-3121373848-4276368241-1000\DDDDDDDDDDD

Filesize
129B

MD5
cb343c94c28b184ee955f765438f003e

SHA1
8f435aa9e4ae04f3dbc54dff6b0755d033caa331

SHA256
7fe006657935e962397bfbd100fb97425b9c511c862dbb2415e939477e939ee2

SHA512
b30ad1d810f8df6e632e5564b6a8e94225961d4e228c12468ea5d9667a2e4b738e0d82b26472d049d0841d53114d83e177aae545638af782d1b3a1f54b3640fd

Download Submit
memory/2064-3009-0x00007FFBD4C90000-0x00007FFBD4CA0000-memory.dmp

Filesize
64KB

Download
memory/2064-2999-0x00007FFBD4C90000-0x00007FFBD4CA0000-memory.dmp

Filesize
64KB

Download
memory/2064-3073-0x00007FFBD4C90000-0x00007FFBD4CA0000-memory.dmp

Filesize
64KB

Download
memory/2064-3071-0x00007FFBD4C90000-0x00007FFBD4CA0000-memory.dmp

Filesize
64KB

Download
memory/2064-3074-0x00007FFBD4C90000-0x00007FFBD4CA0000-memory.dmp

Filesize
64KB

Download
memory/2064-3000-0x00007FFBD4C90000-0x00007FFBD4CA0000-memory.dmp

Filesize
64KB

Download
memory/2064-3005-0x00007FFBD4C90000-0x00007FFBD4CA0000-memory.dmp

Filesize
64KB

Download
memory/2064-3032-0x00007FFBD2A90000-0x00007FFBD2AA0000-memory.dmp

Filesize
64KB

Download
memory/2064-3072-0x00007FFBD4C90000-0x00007FFBD4CA0000-memory.dmp

Filesize
64KB

Download
memory/2064-3033-0x00007FFBD2A90000-0x00007FFBD2AA0000-memory.dmp

Filesize
64KB

Download
memory/2064-3001-0x00007FFBD4C90000-0x00007FFBD4CA0000-memory.dmp

Filesize
64KB

Download
memory/4384-2983-0x0000000000F30000-0x0000000000F40000-memory.dmp

Filesize
64KB

Download
memory/4384-2-0x0000000000F30000-0x0000000000F40000-memory.dmp

Filesize
64KB

Download
memory/4384-2984-0x0000000000F30000-0x0000000000F40000-memory.dmp

Filesize
64KB

Download
memory/4384-1-0x0000000000F30000-0x0000000000F40000-memory.dmp

Filesize
64KB

Download
memory/4384-0-0x0000000000F30000-0x0000000000F40000-memory.dmp

Filesize
64KB

Download
memory/4384-2982-0x0000000000F30000-0x0000000000F40000-memory.dmp

Filesize
64KB

Download