netwire | c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f | Triage

Analysis

max time kernel
194s
max time network
211s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
01-07-2022 14:20

Sharing

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General

Target

c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe
Size

615KB
MD5

9df25a599697716759c0183e3284f8aa
SHA1

405af3516b660318f006c16b2829adf0ec8e7d14
SHA256

c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f
SHA512

e13a74ee635eea2c77ed1e4b7b8074de3f87e530a20ee1ec3763933e915621adcdf3c057d6b5e19e80d1ffed776482a47b08e4b996d2f6f0c981fac86e109f27

Score

10^/10

netwire botnet rat stealer

Malware Config

Extracted

Family

netwire

C2

79.134.225.94:7119

Attributes

activex_autorun
false
copy_executable
false
delete_original
false
host_id
New order
keylogger_dir
%AppData%\Logs\
lock_executable
false
offline_keylogger
true
password
Password
registry_autorun
false
use_mutex
false

Signatures

NetWire RAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4424-138-0x0000000000400000-0x000000000042C000-memory.dmp	netwire
behavioral2/memory/4424-142-0x0000000000400000-0x000000000042C000-memory.dmp	netwire
behavioral2/memory/4424-144-0x0000000000400000-0x000000000042C000-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
Executes dropped EXE 1 IoCs

Processes:

svhost.exe

pid process

4424 svhost.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

Processes:

c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe

Drops desktop.ini file(s) 2 IoCs

Processes:

c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe

description	ioc	process
File created	C:\Windows\assembly\Desktop.ini	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe

description	pid	process	target process
PID 4444 set thread context of 4424	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe	svhost.exe

Drops file in Windows directory 3 IoCs

Processes:

c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe

description	ioc	process
File opened for modification	C:\Windows\assembly	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe
File created	C:\Windows\assembly\Desktop.ini	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe

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

System Information Discovery
T1082
NTFS ADS 1 IoCs

Processes:

cmd.exe

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe:Zone.Identifier cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe

pid	process
4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe
4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe

description	pid	process
Token: SeDebugPrivilege	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe
Token: 33	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe
Token: SeIncBasePriorityPrivilege	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.execmd.exe

description	pid	process	target process
PID 4444 wrote to memory of 4588	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe	cmd.exe
PID 4444 wrote to memory of 4588	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe	cmd.exe
PID 4444 wrote to memory of 4588	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe	cmd.exe
PID 4444 wrote to memory of 4720	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe	cmd.exe
PID 4444 wrote to memory of 4720	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe	cmd.exe
PID 4444 wrote to memory of 4720	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe	cmd.exe
PID 4720 wrote to memory of 2096	4720	cmd.exe	reg.exe
PID 4720 wrote to memory of 2096	4720	cmd.exe	reg.exe
PID 4720 wrote to memory of 2096	4720	cmd.exe	reg.exe
PID 4444 wrote to memory of 4972	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe	cmd.exe
PID 4444 wrote to memory of 4972	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe	cmd.exe
PID 4444 wrote to memory of 4972	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe	cmd.exe
PID 4444 wrote to memory of 4424	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe	svhost.exe
PID 4444 wrote to memory of 4424	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe	svhost.exe
PID 4444 wrote to memory of 4424	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe	svhost.exe
PID 4444 wrote to memory of 4424	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe	svhost.exe
PID 4444 wrote to memory of 4424	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe	svhost.exe
PID 4444 wrote to memory of 4424	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe	svhost.exe
PID 4444 wrote to memory of 4424	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe	svhost.exe
PID 4444 wrote to memory of 4424	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe	svhost.exe
PID 4444 wrote to memory of 4424	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe	svhost.exe
PID 4444 wrote to memory of 4424	4444	c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe	svhost.exe

C:\Users\Admin\AppData\Local\Temp\c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe
"C:\Users\Admin\AppData\Local\Temp\c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4444

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe" "%temp%\FolderN\name.exe" /Y
2⤵
PID:4588

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%temp%\FolderN\name.exe.lnk" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:4720

C:\Windows\SysWOW64\reg.exe
reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe.lnk" /f
3⤵
PID:2096

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %temp%\FolderN\name.exe:Zone.Identifier
2⤵
- NTFS ADS
PID:4972

C:\Users\Admin\AppData\Local\Temp\svhost.exe
"C:\Users\Admin\AppData\Local\Temp\svhost.exe"
2⤵
- Executes dropped EXE
PID:4424

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe
Filesize
615KB

MD5
9df25a599697716759c0183e3284f8aa

SHA1
405af3516b660318f006c16b2829adf0ec8e7d14

SHA256
c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f

SHA512
e13a74ee635eea2c77ed1e4b7b8074de3f87e530a20ee1ec3763933e915621adcdf3c057d6b5e19e80d1ffed776482a47b08e4b996d2f6f0c981fac86e109f27

Download Submit
C:\Users\Admin\AppData\Local\Temp\svhost.exe
Filesize
89KB

MD5
84c42d0f2c1ae761bef884638bc1eacd

SHA1
4353881e7f4e9c7610f4e0489183b55bb58bb574

SHA256
331487446653875bf1e628b797a5283e40056654f7ff328eafbe39b0304480d3

SHA512
43c307a38faa3a4b311597034cf75035a4434a1024d2a54e867e6a94b53b677898d71a858438d119000e872a7a6e92c5b31d277a8c207a94375ed4fd3c7beb87

Download Submit
C:\Users\Admin\AppData\Local\Temp\svhost.exe
Filesize
89KB

MD5
84c42d0f2c1ae761bef884638bc1eacd

SHA1
4353881e7f4e9c7610f4e0489183b55bb58bb574

SHA256
331487446653875bf1e628b797a5283e40056654f7ff328eafbe39b0304480d3

SHA512
43c307a38faa3a4b311597034cf75035a4434a1024d2a54e867e6a94b53b677898d71a858438d119000e872a7a6e92c5b31d277a8c207a94375ed4fd3c7beb87

Download Submit
memory/2096-134-0x0000000000000000-mapping.dmp

Download
memory/4424-144-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4424-137-0x0000000000000000-mapping.dmp

Download
memory/4424-138-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4424-142-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4444-131-0x00000000752D0000-0x0000000075881000-memory.dmp

Filesize
5.7MB

Download
memory/4444-130-0x00000000752D0000-0x0000000075881000-memory.dmp

Filesize
5.7MB

Download
memory/4444-145-0x00000000752D0000-0x0000000075881000-memory.dmp

Filesize
5.7MB

Download
memory/4588-132-0x0000000000000000-mapping.dmp

Download
memory/4720-133-0x0000000000000000-mapping.dmp

Download
memory/4972-136-0x0000000000000000-mapping.dmp

Download