netwire | 99d8467a063dbcd557a00dc9e0ab64b3fcc6a30c6831a16d289bd386af614cb9

General

Target
tmp.exe
Size 312KB
Sample220224-esnmvadbhm
SHA256 99d8467a063dbcd557a00dc9e0ab64b3fcc6a30c6831a16d289bd386af614cb9
MD5 d99733643292d60c8a719e1ac7e31ac1
SHA1 36e6af171c7637a04213153339e79c95c086260b
SHA512 105e4e36162da78f8dddaf551a66df1e87f1d3ed00158d99fedf834347a40b0164389add90e7729277272c67921dedf54df0687b515b437a753d4c14c464005d
MD5 SHA1 SHA512

Score

10^/10

netwire botnet rat stealer

Malware Config

Extracted

Family

netwire

C2

uploadp2p.publicvm.com:3361

Attributes

activex_autorun
false
activex_key
copy_executable
true
delete_original
false
host_id
SUII-%Rand%
install_path
%AppData%\Install\cssHost.exe
keylogger_dir
%AppData%\Logs\
lock_executable
false
mutex
DNexieCc
offline_keylogger
true
password
Password
registry_autorun
false
startup_name
use_mutex
true

Signatures

NetWire RAT payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/3252-134-0x00000000023D0000-0x00000000023FD000-memory.dmp	netwire
behavioral2/memory/3252-135-0x0000000000400000-0x0000000000436000-memory.dmp	netwire

Netwire
Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.
botnet stealer netwire

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 4984 created 3252	4984	WerFault.exe	80

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4956	3252	WerFault.exe	80

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	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WerFault.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WerFault.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4956	WerFault.exe
4956	WerFault.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	4956	WerFault.exe
Token: SeBackupPrivilege	4956	WerFault.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4984 wrote to memory of 3252	4984	WerFault.exe	80
PID 4984 wrote to memory of 3252	4984	WerFault.exe	80

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
PID:3252
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 364
  2⤵
  - Program crash
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3252 -ip 3252
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:4984

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3252-130-0x0000000010000000-0x0000000010006000-memory.dmp

Download

memory/3252-133-0x00000000023B0000-0x00000000023C9000-memory.dmp

Download

memory/3252-134-0x00000000023D0000-0x00000000023FD000-memory.dmp

Download

memory/3252-135-0x0000000000400000-0x0000000000436000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads