0fb86a8ba8fdf57990c283080a671c1320cbcdfd0e8b5f5a250d9c38a6fce305

Resubmissions

14-07-2024 13:00

240714-p8n9es1elq 10

14-07-2024 13:00

240714-p8metstdra 10

18-06-2024 22:58

240618-2xvnaasglk 10

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14-07-2024 13:00

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Report Analysis Logs

General

Target

LB3.exe
Size

146KB
MD5

2357ecbcf3b566c76c839daf7ecf2681
SHA1

89d9b7c3eff0a15dc9dbbfe2163de7d5e9479f58
SHA256

0fb86a8ba8fdf57990c283080a671c1320cbcdfd0e8b5f5a250d9c38a6fce305
SHA512

bb5630ae44e684f2dfc74478c57bf97a94045501a64022d563e87f2a60d777307cab2b5a14e6764d25a2fd1f27901624c1ee76ca551d5a5e3a21abc4befef401
SSDEEP

3072:V6glyuxE4GsUPnliByocWepo2NVLiguo/pyEwUS:V6gDBGpvEByocWeauV2gvzwU

Score

10^/10

ransomware spyware stealer

Malware Config

Extracted

Path

C:\7V7uPExzv.README.txt

Ransom Note

~~~NULLBULGE LOCK - BASED ON LOCKBIT~~~ >>>> Your data is encrypted... but dont freak out If we encrypted you, you majorly fucked up. But... all can be saved But not for free, we require an xmr payment >>>> 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. Life is too short to be sad. Dont be sad money is only paper. Your files are more important than paper right? If we do not give you decrypter then nobody will pay us in the future. To us, our reputation is very important. There is no dissatisfied victim after payment. >>>> You may 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 a while Links for Tor Browser: http://nullblgtk7dwzpfklgktzll27ovvnj7pvqkoprmhubnnb32qcbmcpgid.onion/ Link for the normal browser http://group.goocasino.org https://nullbulge.com >>>> Your personal DECRYPTION ID: 217B9D5D58C4AD3C69CBDA91F2A88294 >>>> Warning! Do not DELETE or MODIFY any files, it can lead to recovery problems!

URLs

http://nullblgtk7dwzpfklgktzll27ovvnj7pvqkoprmhubnnb32qcbmcpgid.onion/

http://group.goocasino.org

https://nullbulge.com

Signatures

Renames multiple (315) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Deletes itself 1 IoCs

Processes:

511C.tmp

pid	Process
2492	511C.tmp

Executes dropped EXE 1 IoCs

Processes:

511C.tmp

pid	Process
2492	511C.tmp

Loads dropped DLL 1 IoCs

Processes:

LB3.exe

pid	Process
2652	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

Processes:

LB3.exe

description	ioc	Process
File opened for modification	C:\$Recycle.Bin\S-1-5-21-2958949473-3205530200-1453100116-1000\desktop.ini	LB3.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-2958949473-3205530200-1453100116-1000\desktop.ini	LB3.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-1-5-21-2958949473-3205530200-1453100116-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\7V7uPExzv.bmp"	LB3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\7V7uPExzv.bmp"	LB3.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

LB3.exe511C.tmp

pid	Process
2652	LB3.exe
2652	LB3.exe
2652	LB3.exe
2652	LB3.exe
2492	511C.tmp

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

System Information Discovery
T1082

Modifies Control Panel 2 IoCs

evasion

Processes:

LB3.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Control Panel\Desktop	LB3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Control Panel\Desktop\WallpaperStyle = "10"	LB3.exe

Modifies registry class 5 IoCs

Processes:

LB3.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.7V7uPExzv	LB3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.7V7uPExzv\ = "7V7uPExzv"	LB3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\7V7uPExzv\DefaultIcon	LB3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\7V7uPExzv	LB3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\7V7uPExzv\DefaultIcon\ = "C:\\ProgramData\\7V7uPExzv.ico"	LB3.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

LB3.exe

pid	Process
2652	LB3.exe
2652	LB3.exe
2652	LB3.exe
2652	LB3.exe
2652	LB3.exe
2652	LB3.exe
2652	LB3.exe
2652	LB3.exe
2652	LB3.exe
2652	LB3.exe

Suspicious behavior: RenamesItself 26 IoCs

Processes:

511C.tmp

pid	Process
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp
2492	511C.tmp

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

LB3.exe

description	pid	Process
Token: SeAssignPrimaryTokenPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeDebugPrivilege	2652	LB3.exe
Token: 36	2652	LB3.exe
Token: SeImpersonatePrivilege	2652	LB3.exe
Token: SeIncBasePriorityPrivilege	2652	LB3.exe
Token: SeIncreaseQuotaPrivilege	2652	LB3.exe
Token: 33	2652	LB3.exe
Token: SeManageVolumePrivilege	2652	LB3.exe
Token: SeProfSingleProcessPrivilege	2652	LB3.exe
Token: SeRestorePrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeSystemProfilePrivilege	2652	LB3.exe
Token: SeTakeOwnershipPrivilege	2652	LB3.exe
Token: SeShutdownPrivilege	2652	LB3.exe
Token: SeDebugPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeBackupPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe
Token: SeSecurityPrivilege	2652	LB3.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

LB3.exe511C.tmp

description	pid	Process	procid_target
PID 2652 wrote to memory of 2492	2652	LB3.exe	32
PID 2652 wrote to memory of 2492	2652	LB3.exe	32
PID 2652 wrote to memory of 2492	2652	LB3.exe	32
PID 2652 wrote to memory of 2492	2652	LB3.exe	32
PID 2652 wrote to memory of 2492	2652	LB3.exe	32
PID 2492 wrote to memory of 948	2492	511C.tmp	33
PID 2492 wrote to memory of 948	2492	511C.tmp	33
PID 2492 wrote to memory of 948	2492	511C.tmp	33
PID 2492 wrote to memory of 948	2492	511C.tmp	33

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
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2652
- C:\ProgramData\511C.tmp
  "C:\ProgramData\511C.tmp"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:2492
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\511C.tmp >> NUL
    3⤵
    PID:948

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x14c
1⤵
PID:1692

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

System Information Discovery

T1082

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-1-5-21-2958949473-3205530200-1453100116-1000\HHHHHHHHHHH

Filesize
129B

MD5
031a29b55f791cfa422c4616c3a37eba

SHA1
0f0a14d9b821013e8d7195a3c80d054d08cc7a36

SHA256
3b7737211c739ccf7773db2f23f68eefa89aa10fa716038f70d9563326c5e14c

SHA512
910fecdbc3b4befe7d2484d1107a026c7c4cba1a5da09f1fd0178202e4a88b6564b64ddceceea4e5771e7ad5aa6b72fa23a945f95a0e512f5217a7364d52514b

Download Submit
C:\7V7uPExzv.README.txt

Filesize
1KB

MD5
2b80da09ebb77d6054a8188c9911beb4

SHA1
8c50a3aadd0b5d1d2aabe6aca426aabf86662f3d

SHA256
5b6f10be14cf6b30143e9921d44bc6a276f0181931fc4198c2d66e876bd19189

SHA512
63fdf1f5cbe607626912f200dfe4f11d1c5143d04c8f0fbaae33a5a076ae648c7584397166f3f9354c12e52b3e2c6f5299fe95f611c8d21e5a5c6d42cca037c3

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

Filesize
146KB

MD5
0089cc9c07788ab17adccdee8b365faa

SHA1
7b90e8fc5ac1aeefeae8f3032817637df5d7f912

SHA256
d36e43e9e4905ed7a8a8b887037da133542a84ef0465a09b953d2d75cbb81935

SHA512
b2298c6007a690758b0329561fd0aac25d031936dd12abb96ecdc38aa3981231e0cf48130bde33fb7039c80be48f011129b0379c41d19873e0a3f4dd353e8676

Download Submit
F:\$RECYCLE.BIN\S-1-5-21-2958949473-3205530200-1453100116-1000\IIIIIIIIIII

Filesize
129B

MD5
a683ab5f2ab0ea6a5bbfd0874b9eab2a

SHA1
fe09b80ce6fa9bde951b45e2c2fdd8a4cc106885

SHA256
dd41583717c8e391e66d88e3df976b3da2d752be4cccf8f37c42dadbad9e7fcd

SHA512
a220dbd3b5edfefd7465056417678acbbf52ce58c874efc23706b4e1dbd7c2c8a611cbcf9caec362441a9fa016858b2b8ac9bd2e00d69bee1cca30cd985eee01

Download Submit
\ProgramData\511C.tmp

Filesize
14KB

MD5
294e9f64cb1642dd89229fff0592856b

SHA1
97b148c27f3da29ba7b18d6aee8a0db9102f47c9

SHA256
917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

SHA512
b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

Download Submit
memory/2492-849-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

Filesize
4KB

Download
memory/2492-850-0x0000000000A40000-0x0000000000A80000-memory.dmp

Filesize
256KB

Download
memory/2492-852-0x000000007EF20000-0x000000007EF21000-memory.dmp

Filesize
4KB

Download
memory/2492-851-0x000000007EF80000-0x000000007EF81000-memory.dmp

Filesize
4KB

Download
memory/2492-882-0x000000007EF60000-0x000000007EF61000-memory.dmp

Filesize
4KB

Download
memory/2492-881-0x000000007EF40000-0x000000007EF41000-memory.dmp

Filesize
4KB

Download
memory/2652-0-0x0000000000490000-0x00000000004D0000-memory.dmp

Filesize
256KB

Download