2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d

General

Target

2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d.exe
Size

60KB
MD5

673257d4766ef2e5834b88d7923a872d
SHA1

280f49b812be00025fd54ab9181f1fd557bbe1e3
SHA256

2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d
SHA512

8a6cccb23f43f00a9dd79a719c574a6b9b032f7afce3818e8888a14f28e998455964915c0bf0aeeb9009aecc53ca26ea98dfa6ea01634cce229108f838b85105
SSDEEP

1536:+RLMkhOabE7bjSuCCdFLUvXybjS9AENePba5:gL2QEeH6JU6bm9pNf

Score

7^/10

bootkit persistence spyware stealer

Malware Config

Signatures

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
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Nbwvw.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\TFM0N = "c:\\V47LLEL7994P7E27\\Nbwvw.exe"	Nbwvw.exe

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

Nbwvw.exe

description	ioc	process
File opened (read-only)	\??\e:	Nbwvw.exe
File opened (read-only)	\??\i:	Nbwvw.exe
File opened (read-only)	\??\j:	Nbwvw.exe
File opened (read-only)	\??\o:	Nbwvw.exe
File opened (read-only)	\??\f:	Nbwvw.exe
File opened (read-only)	\??\n:	Nbwvw.exe
File opened (read-only)	\??\p:	Nbwvw.exe
File opened (read-only)	\??\q:	Nbwvw.exe
File opened (read-only)	\??\s:	Nbwvw.exe
File opened (read-only)	\??\a:	Nbwvw.exe
File opened (read-only)	\??\m:	Nbwvw.exe
File opened (read-only)	\??\r:	Nbwvw.exe
File opened (read-only)	\??\u:	Nbwvw.exe
File opened (read-only)	\??\w:	Nbwvw.exe
File opened (read-only)	\??\y:	Nbwvw.exe
File opened (read-only)	\??\b:	Nbwvw.exe
File opened (read-only)	\??\g:	Nbwvw.exe
File opened (read-only)	\??\h:	Nbwvw.exe
File opened (read-only)	\??\k:	Nbwvw.exe
File opened (read-only)	\??\l:	Nbwvw.exe
File opened (read-only)	\??\t:	Nbwvw.exe
File opened (read-only)	\??\v:	Nbwvw.exe
File opened (read-only)	\??\x:	Nbwvw.exe
File opened (read-only)	\??\z:	Nbwvw.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1067

Processes:

Nbwvw.exe

description ioc process

File opened for modification \??\PHYSICALDRIVE0 Nbwvw.exe

description	ioc	process
File opened for modification	\??\PHYSICALDRIVE0	Nbwvw.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

Nbwvw.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Nbwvw.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Nbwvw.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d.exeNbwvw.exe

pid process

1752 2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d.exe
1668 Nbwvw.exe
1668 Nbwvw.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d.exe

pid process

1752 2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d.exe

pid	process
1752	2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d.exe
1668	Nbwvw.exe
1668	Nbwvw.exe

pid	process
1752	2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d.exeNbwvw.exe

description	pid	process
Token: SeDebugPrivilege	1752	2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d.exe
Token: SeDebugPrivilege	1668	Nbwvw.exe
Token: SeDebugPrivilege	1668	Nbwvw.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d.exeNbwvw.exe

pid process

1752 2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d.exe
1668 Nbwvw.exe

pid	process
1752	2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d.exe
1668	Nbwvw.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d.exe

description	pid	process	target process
PID 1752 wrote to memory of 1668	1752	2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d.exe	Nbwvw.exe
PID 1752 wrote to memory of 1668	1752	2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d.exe	Nbwvw.exe
PID 1752 wrote to memory of 1668	1752	2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d.exe	Nbwvw.exe
PID 1752 wrote to memory of 1668	1752	2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d.exe	Nbwvw.exe

C:\Users\Admin\AppData\Local\Temp\2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d.exe
"C:\Users\Admin\AppData\Local\Temp\2f3e664a0aee652b81e65d2314945140523667bf88909c0a7f6901740dd92e6d.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1752

\??\c:\V47LLEL7994P7E27\Nbwvw.exe
c:\V47LLEL7994P7E27\Nbwvw.exe
2⤵
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1668

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

1

T1067

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1668-61-0x0000000000000000-mapping.dmp

Download
memory/1668-62-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

Download
memory/1668-68-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1752-54-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

Download
memory/1752-59-0x0000000075931000-0x0000000075933000-memory.dmp

Filesize
8KB

Download
memory/1752-60-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads