netwire | 166fbb6582d9134b959740aa61483aa2d1a7a3cc75fce51c186a2338c3d59c5a

General

Target

7654eb53d495fab9d93ca0d1deb92538536c3fb8a01619615328ae70d365243c.exe
Size

3.1MB
MD5

53b5306d77c1b44d375ebca82dd680ce
SHA1

49ecb91d93136097f0cf9b6691effdf6fe4b755c
SHA256

7654eb53d495fab9d93ca0d1deb92538536c3fb8a01619615328ae70d365243c
SHA512

1e5baf3f7d892fb7ef1abe9ddf6bc28c039c764c730e3837bea57719579f507eff965688efc6cbdc74259640cb5f500102f51111dda5a434e5f01686babcc8e3
SSDEEP

49152:ch+ZkldoPK8YaYT6Ce9IwaCVV6GGMSqBhjwjHsNaw1kFe0wrkKqFKyqgUqvxu1yQ:N2cPK8hIwaeV6GG9iawuFB6NDglk1P

Score

10^/10

netwire botnet discovery persistence rat stealer

Malware Config

Extracted

Family

netwire

C2

clients.enigmasolutions.xyz:54573

Attributes

activex_autorun
false
copy_executable
true
delete_original
false
host_id
Cleint-%Rand%
install_path
%AppData%\Microsoft\Speech\eurj.exe
keylogger_dir
%AppData%\msr\
lock_executable
false
offline_keylogger
true
password
\tx>N(6H`Om2k/cWJBp,""bUbAd1-0Mg
registry_autorun
true
startup_name
eurj
use_mutex
false

Signatures

NetWire RAT payload 7 IoCs

rat

resource	yara_rule
behavioral2/memory/2708-11-0x0000000003EC0000-0x0000000003F26000-memory.dmp	netwire
behavioral2/memory/2708-12-0x0000000003EC0000-0x0000000003F26000-memory.dmp	netwire
behavioral2/memory/440-14-0x0000000000680000-0x00000000006B0000-memory.dmp	netwire
behavioral2/memory/440-15-0x0000000000680000-0x00000000006B0000-memory.dmp	netwire
behavioral2/memory/2708-18-0x0000000003EC0000-0x0000000003F26000-memory.dmp	netwire
behavioral2/memory/3012-42-0x0000000000C30000-0x0000000000C60000-memory.dmp	netwire
behavioral2/memory/3012-44-0x0000000000C30000-0x0000000000C60000-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
Netwire family
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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	7654eb53d495fab9d93ca0d1deb92538536c3fb8a01619615328ae70d365243c.exe

Executes dropped EXE 2 IoCs

pid	Process
2800	eurj.exe
3012	eurj.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\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\eurj = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Speech\\eurj.exe"	eurj.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x000b000000023b92-22.dat	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2708 set thread context of 440	2708	7654eb53d495fab9d93ca0d1deb92538536c3fb8a01619615328ae70d365243c.exe	91
PID 2800 set thread context of 3012	2800	eurj.exe	93

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	7654eb53d495fab9d93ca0d1deb92538536c3fb8a01619615328ae70d365243c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7654eb53d495fab9d93ca0d1deb92538536c3fb8a01619615328ae70d365243c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eurj.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 440	2708	7654eb53d495fab9d93ca0d1deb92538536c3fb8a01619615328ae70d365243c.exe	91
PID 2708 wrote to memory of 440	2708	7654eb53d495fab9d93ca0d1deb92538536c3fb8a01619615328ae70d365243c.exe	91
PID 2708 wrote to memory of 440	2708	7654eb53d495fab9d93ca0d1deb92538536c3fb8a01619615328ae70d365243c.exe	91
PID 2708 wrote to memory of 440	2708	7654eb53d495fab9d93ca0d1deb92538536c3fb8a01619615328ae70d365243c.exe	91
PID 2708 wrote to memory of 440	2708	7654eb53d495fab9d93ca0d1deb92538536c3fb8a01619615328ae70d365243c.exe	91
PID 440 wrote to memory of 2800	440	7654eb53d495fab9d93ca0d1deb92538536c3fb8a01619615328ae70d365243c.exe	92
PID 440 wrote to memory of 2800	440	7654eb53d495fab9d93ca0d1deb92538536c3fb8a01619615328ae70d365243c.exe	92
PID 440 wrote to memory of 2800	440	7654eb53d495fab9d93ca0d1deb92538536c3fb8a01619615328ae70d365243c.exe	92
PID 2800 wrote to memory of 3012	2800	eurj.exe	93
PID 2800 wrote to memory of 3012	2800	eurj.exe	93
PID 2800 wrote to memory of 3012	2800	eurj.exe	93
PID 2800 wrote to memory of 3012	2800	eurj.exe	93
PID 2800 wrote to memory of 3012	2800	eurj.exe	93

C:\Users\Admin\AppData\Local\Temp\7654eb53d495fab9d93ca0d1deb92538536c3fb8a01619615328ae70d365243c.exe
"C:\Users\Admin\AppData\Local\Temp\7654eb53d495fab9d93ca0d1deb92538536c3fb8a01619615328ae70d365243c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Users\Admin\AppData\Local\Temp\7654eb53d495fab9d93ca0d1deb92538536c3fb8a01619615328ae70d365243c.exe
  C:\Users\Admin\AppData\Local\Temp\7654eb53d495fab9d93ca0d1deb92538536c3fb8a01619615328ae70d365243c.exe
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:440
- - C:\Users\Admin\AppData\Roaming\Microsoft\Speech\eurj.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\eurj.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2800
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Speech\eurj.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Speech\eurj.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      PID:3012

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

C:\Users\Admin\AppData\Local\Temp\aut76F5.tmp

Filesize
395KB

MD5
091a530232f00ea62bc43aa1da1c7b10

SHA1
d71e651ad0bc568635ecce003a9430c60ff3938d

SHA256
be229a2a73cb4af85447dd79d25922dd0954cbbe05d60e671f723bdc03cb56de

SHA512
67d33486340e9044ef72404e75221f0ba646d5eda6783124a3fe94ee83548228e903f8c7fe6334eef41c41fb212b90360450985cd0dc9f462fc2abe2dda3c66d

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\eurj.exe

Filesize
3.1MB

MD5
53b5306d77c1b44d375ebca82dd680ce

SHA1
49ecb91d93136097f0cf9b6691effdf6fe4b755c

SHA256
7654eb53d495fab9d93ca0d1deb92538536c3fb8a01619615328ae70d365243c

SHA512
1e5baf3f7d892fb7ef1abe9ddf6bc28c039c764c730e3837bea57719579f507eff965688efc6cbdc74259640cb5f500102f51111dda5a434e5f01686babcc8e3

Download Submit
memory/440-14-0x0000000000680000-0x00000000006B0000-memory.dmp

Filesize
192KB

Download
memory/440-15-0x0000000000680000-0x00000000006B0000-memory.dmp

Filesize
192KB

Download
memory/2708-9-0x0000000003EC0000-0x0000000003F26000-memory.dmp

Filesize
408KB

Download
memory/2708-12-0x0000000003EC0000-0x0000000003F26000-memory.dmp

Filesize
408KB

Download
memory/2708-13-0x0000000077E78000-0x0000000077E79000-memory.dmp

Filesize
4KB

Download
memory/2708-11-0x0000000003EC0000-0x0000000003F26000-memory.dmp

Filesize
408KB

Download
memory/2708-10-0x0000000003EC0000-0x0000000003F26000-memory.dmp

Filesize
408KB

Download
memory/2708-18-0x0000000003EC0000-0x0000000003F26000-memory.dmp

Filesize
408KB

Download
memory/2708-8-0x0000000003EC0000-0x0000000003F26000-memory.dmp

Filesize
408KB

Download
memory/2708-7-0x0000000003EC0000-0x0000000003F26000-memory.dmp

Filesize
408KB

Download
memory/3012-42-0x0000000000C30000-0x0000000000C60000-memory.dmp

Filesize
192KB

Download
memory/3012-44-0x0000000000C30000-0x0000000000C60000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads