netwire | c424f3d9cd1b47e23678c1d0d02cf9b4befbacf8ba63491019b28d5abcbaf0ee

General

Target
Proof of payment.exe
Size 1006KB
Sample240918-dk835szarg
SHA256 629333f4adba87b2412a8c8fa301a25042de764506ea1f369b38fa10c6112547
MD5 7e1d18de24aeff3df526dc7ab6ff05dc
SHA1 49f9323be153edc7d4467aa3280f9afc3d6b1533
SHA512 999e7c19a26fe755132bba012884410d9a181beaa476aade615f3961e2ca911de988d35d04a196ee76748469ac1a0b1c0330d0a7728d574318872766c364449e
SSDEEP 24576:6NA3R5drXdtBeHJePXzHbuzBux7s3oFQYcEn7W:z5bEaxIo6V
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

netwire botnet discovery persistence rat stealer

Malware Config

Extracted

Family

netwire

C2

185.140.53.220:3363
185.140.53.220:3369

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
NETHERLAND
registry_autorun
false
use_mutex
false

Signatures

NetWire RAT payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/2440-53-0x0000000000B00000-0x000000000117C000-memory.dmp	netwire
behavioral2/memory/2440-50-0x0000000000B00000-0x000000000117C000-memory.dmp	netwire
behavioral2/memory/2440-54-0x0000000000B00000-0x000000000117C000-memory.dmp	netwire
behavioral2/memory/2440-55-0x0000000000B00000-0x000000000117C000-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

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	Proof of payment.exe

Executes dropped EXE 2 IoCs

pid	Process
2556	niubglejwg.pif
2440	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\Users\\Admin\\71281781\\NIUBGL~1.PIF C:\\Users\\Admin\\71281781\\gtogdqb.cwv"	niubglejwg.pif

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2556 set thread context of 2440	2556	niubglejwg.pif	87

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Proof of payment.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	niubglejwg.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 2556	1952	Proof of payment.exe	81
PID 1952 wrote to memory of 2556	1952	Proof of payment.exe	81
PID 1952 wrote to memory of 2556	1952	Proof of payment.exe	81
PID 2556 wrote to memory of 2440	2556	niubglejwg.pif	87
PID 2556 wrote to memory of 2440	2556	niubglejwg.pif	87
PID 2556 wrote to memory of 2440	2556	niubglejwg.pif	87
PID 2556 wrote to memory of 2440	2556	niubglejwg.pif	87
PID 2556 wrote to memory of 2440	2556	niubglejwg.pif	87

C:\Users\Admin\AppData\Local\Temp\Proof of payment.exe
"C:\Users\Admin\AppData\Local\Temp\Proof of payment.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Users\Admin\71281781\niubglejwg.pif
  "C:\Users\Admin\71281781\niubglejwg.pif" gtogdqb.cwv
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

acvub.ppt

Path C:\Users\Admin\71281781\acvub.ppt
Size 318KB
SHA256 bc56f33ece852ee01fa40fdb375875429e25ae3486ccbd5c1068ea66be3b80b7
MD5 9fd93502039581e1eac27a9fe8167334
SHA1 f9fc63483e2f8630adc85ff45549a35b75c1d5ed
SHA512 bbeaf50e49c7a01e94e192121010701ae1a4e46e9eff8a015fd45ba3b4831dfe0cf5c0392a368b28e9b291575b8b043dde34a33109e454eca5729749d121675d
SSDEEP 3072:+4eQnedD71x1l2eokP7NDvPlmBXN7/eJSlDoBq4YQbMWGXqn9yc5JvOn4v40kBmU:hejdr2eJ9HA97GFBdbbP5dvpkBn2zha
MD5 SHA1 SHA512 SSDEEP

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niubglejwg.pif

Path C:\Users\Admin\71281781\niubglejwg.pif
Size 655KB
SHA256 877365dfcbe9d4896e9ca544c7d19e106ab78339edbc1bd410f2e11bd32cd2ee
MD5 a75bc752c50fb74f7597c2bb59b93d43
SHA1 d2dcd3d104b6b04f0828844aeda188798669b41f
SHA512 e856238e3cb519786365faf17d0d590692fa991d9ca81e2fb8ce094cd090583f4ed1823b7ca9c0f702320398054ba682644a02f8d99d4e0f53733564611d3f97
SSDEEP 12288:EBzZm7d9AZAYJVB7ii/XAvKxRJBnwvogSJ4M4G4aK25DGDt2:2cneJVBvXAvwRJdwvZ5aK25DGR2
MD5 SHA1 SHA512 SSDEEP

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RegSvcs.exe

Path C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
Size 44KB
SHA256 2c1eeb7097023c784c2bd040a2005a5070ed6f3a4abf13929377a9e39fab1390
MD5 9d352bc46709f0cb5ec974633a0c3c94
SHA1 1969771b2f022f9a86d77ac4d4d239becdf08d07
SHA512 13c714244ec56beeb202279e4109d59c2a43c3cf29f90a374a751c04fd472b45228ca5a0178f41109ed863dbd34e0879e4a21f5e38ae3d89559c57e6be990a9b
SSDEEP 768:4BbSoy+SdIBf0k2dsjYg6Iq8S1GYqWH8BR:noOIBf0ddsjY/ZGyc7
MD5 SHA1 SHA512 SSDEEP

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memory/2440-53-0x0000000000B00000-0x000000000117C000-memory.dmp

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memory/2440-50-0x0000000000B00000-0x000000000117C000-memory.dmp

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memory/2440-54-0x0000000000B00000-0x000000000117C000-memory.dmp

Download

memory/2440-55-0x0000000000B00000-0x000000000117C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads