netwire | 08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf

Analysis

max time kernel
155s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
22/02/2022, 21:55

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe
Size 423KB
Sample220222-1svbaaecc9
SHA256 08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf
MD5 715d93159e07ad4a4040bcb47624ffc1
SHA1 10d75be9adc837876329c86f99b77d00c7d07abd
SHA512 3f14ebc1ace734b0e2975cdfcd75f11f0260e5ea8a217751d02a11c1983bceaadeb20aafdc3272387103e70ec97096500402301275091cde891bd9ec719a8ec7
MD5 SHA1 SHA512

Score

10^/10

netwire botnet persistence rat stealer

Malware Config

Extracted

Family

netwire

betterday.duckdns.org:5345

Attributes

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

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\uyu.exe\","	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe

NetWire RAT payload 4 IoCs

rat

resource	yara_rule
behavioral2/files/0x000600000001e725-143.dat	netwire
behavioral2/files/0x000600000001e725-144.dat	netwire
behavioral2/files/0x000600000001e72b-146.dat	netwire
behavioral2/files/0x000600000001e72b-145.dat	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

Nirsoft 5 IoCs

resource	yara_rule
behavioral2/files/0x000500000001e72d-137.dat	Nirsoft
behavioral2/files/0x000500000001e72d-138.dat	Nirsoft
behavioral2/files/0x000500000001e72d-139.dat	Nirsoft
behavioral2/files/0x000500000001e72d-140.dat	Nirsoft
behavioral2/files/0x000500000001e72d-141.dat	Nirsoft

Executes dropped EXE 7 IoCs

pid	Process
840	AdvancedRun.exe
4148	AdvancedRun.exe
4732	AdvancedRun.exe
4672	AdvancedRun.exe
628	Ragmxcleirhost55.exe
1148	Host.exe
3516	MSBuild.exe

Checks computer location settings 2 TTPs 5 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	AdvancedRun.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	AdvancedRun.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	Ragmxcleirhost55.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4820 set thread context of 3516	4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe	106

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
840	AdvancedRun.exe
840	AdvancedRun.exe
840	AdvancedRun.exe
840	AdvancedRun.exe
4148	AdvancedRun.exe
4148	AdvancedRun.exe
4148	AdvancedRun.exe
4148	AdvancedRun.exe
4732	AdvancedRun.exe
4732	AdvancedRun.exe
4732	AdvancedRun.exe
4732	AdvancedRun.exe
4672	AdvancedRun.exe
4672	AdvancedRun.exe
4672	AdvancedRun.exe
4672	AdvancedRun.exe
4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe
4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe
Token: SeDebugPrivilege	840	AdvancedRun.exe
Token: SeImpersonatePrivilege	840	AdvancedRun.exe
Token: SeDebugPrivilege	4148	AdvancedRun.exe
Token: SeImpersonatePrivilege	4148	AdvancedRun.exe
Token: SeDebugPrivilege	4732	AdvancedRun.exe
Token: SeImpersonatePrivilege	4732	AdvancedRun.exe
Token: SeDebugPrivilege	4672	AdvancedRun.exe
Token: SeImpersonatePrivilege	4672	AdvancedRun.exe
Token: SeDebugPrivilege	3516	MSBuild.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4820 wrote to memory of 840	4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe	84
PID 4820 wrote to memory of 840	4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe	84
PID 4820 wrote to memory of 840	4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe	84
PID 840 wrote to memory of 4148	840	AdvancedRun.exe	91
PID 840 wrote to memory of 4148	840	AdvancedRun.exe	91
PID 840 wrote to memory of 4148	840	AdvancedRun.exe	91
PID 4820 wrote to memory of 4732	4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe	94
PID 4820 wrote to memory of 4732	4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe	94
PID 4820 wrote to memory of 4732	4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe	94
PID 4732 wrote to memory of 4672	4732	AdvancedRun.exe	95
PID 4732 wrote to memory of 4672	4732	AdvancedRun.exe	95
PID 4732 wrote to memory of 4672	4732	AdvancedRun.exe	95
PID 4820 wrote to memory of 4624	4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe	96
PID 4820 wrote to memory of 4624	4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe	96
PID 4820 wrote to memory of 4624	4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe	96
PID 4624 wrote to memory of 628	4624	WScript.exe	97
PID 4624 wrote to memory of 628	4624	WScript.exe	97
PID 4624 wrote to memory of 628	4624	WScript.exe	97
PID 628 wrote to memory of 1148	628	Ragmxcleirhost55.exe	98
PID 628 wrote to memory of 1148	628	Ragmxcleirhost55.exe	98
PID 628 wrote to memory of 1148	628	Ragmxcleirhost55.exe	98
PID 4820 wrote to memory of 3516	4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe	106
PID 4820 wrote to memory of 3516	4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe	106
PID 4820 wrote to memory of 3516	4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe	106
PID 4820 wrote to memory of 3516	4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe	106
PID 4820 wrote to memory of 3516	4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe	106
PID 4820 wrote to memory of 3516	4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe	106
PID 4820 wrote to memory of 3516	4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe	106
PID 4820 wrote to memory of 3516	4820	08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe	106

C:\Users\Admin\AppData\Local\Temp\08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe
"C:\Users\Admin\AppData\Local\Temp\08b2635f734713feb61421f2c87c46e6dc0009ab825d436bd69f6901a25fa0cf.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4820
- C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
  "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /EXEFilename "C:\Windows\System32\sc.exe" /WindowState 0 /CommandLine "stop WinDefend" /StartDirectory "" /RunAs 8 /Run
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:840
- - C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
    "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /SpecialRun 4101d8 840
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4148
- C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
  "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /EXEFilename "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" /WindowState 0 /CommandLine "rmdir 'C:\ProgramData\Microsoft\Windows Defender' -Recurse" /StartDirectory "" /RunAs 8 /Run
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4732
- - C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
    "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /SpecialRun 4101d8 4732
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4672
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Qslqdrobdvmfyv.vbs"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:4624
- - C:\Users\Admin\AppData\Local\Temp\Ragmxcleirhost55.exe
    "C:\Users\Admin\AppData\Local\Temp\Ragmxcleirhost55.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:628
  - - C:\Users\Admin\AppData\Roaming\Install\Host.exe
      "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
      4⤵
      Executes dropped EXE
      PID:1148
- C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
  C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:3516

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3516-150-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

Download

memory/3516-147-0x0000000000400000-0x000000000041A000-memory.dmp

Download

memory/3516-151-0x00000000052D0000-0x0000000005346000-memory.dmp

Download

memory/3516-152-0x00000000054F0000-0x00000000054F1000-memory.dmp

Download

memory/3516-153-0x0000000005380000-0x000000000539E000-memory.dmp

Download

memory/4820-130-0x0000000000EC0000-0x0000000000F2E000-memory.dmp

Download

memory/4820-133-0x0000000005990000-0x0000000005A22000-memory.dmp

Download

memory/4820-134-0x0000000005900000-0x000000000590A000-memory.dmp

Download

memory/4820-135-0x00000000057E0000-0x00000000057E1000-memory.dmp

Download

memory/4820-132-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

Download

memory/4820-131-0x0000000005F40000-0x00000000064E4000-memory.dmp

Download

memory/4820-136-0x0000000008D20000-0x0000000008D86000-memory.dmp

Download