netwire | 8504e5e5723b427002e86b953ff6414ef960af74818f359a0d93084c974f800b

General

Target

CONTRACT-HSB7555-07-22.exe
Size

574KB
MD5

ab250d08a1c4628ecdb5f067c4219e7d
SHA1

ca73fb0aa8e1d5d9e125eecf8ebc13612e773765
SHA256

a832f30bbb32bcf5c4138d8058214e47ea72a6fe10d448dbea5fbc84e1ce375b
SHA512

61dadbcdeac15afcd0f34f55333c9ce5aa35d9afff3c70d0aff2b9694d4f252def58abe5d07d235ca902782c99715511898a1ffc973b8e584e57936e431c7f4f
SSDEEP

12288:DikZNia30YkxVhT/i6LT4xBWQQBhjOgYzmeU5Nsny764JxTTn:DfTiaE9xVhT60kxMZmmeuuwJN

Score

10^/10

netwire botnet discovery execution rat stealer

Malware Config

Extracted

Family

netwire

C2

37.0.14.206:3384

Attributes

activex_autorun
false
copy_executable
true
delete_original
false
host_id
HostId-%Rand%
install_path
%AppData%\Install\Host.exe
keylogger_dir
%AppData%\Logs\
lock_executable
true
offline_keylogger
true
password
Password234
registry_autorun
false
use_mutex
false

Signatures

NetWire RAT payload 6 IoCs

rat

resource	yara_rule
behavioral1/memory/1504-31-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral1/memory/1504-32-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral1/memory/1504-28-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral1/memory/1504-26-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral1/memory/1504-24-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral1/memory/1504-22-0x0000000000400000-0x0000000000433000-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
Netwire family
netwire

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2636	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
1496	Host.exe

Loads dropped DLL 1 IoCs

pid	Process
1504	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1036 set thread context of 1504	1036	CONTRACT-HSB7555-07-22.exe	35

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 5 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	CONTRACT-HSB7555-07-22.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Host.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2112	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1036	CONTRACT-HSB7555-07-22.exe
1036	CONTRACT-HSB7555-07-22.exe
2636	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1036	CONTRACT-HSB7555-07-22.exe
Token: SeDebugPrivilege	2636	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 2636	1036	CONTRACT-HSB7555-07-22.exe	31
PID 1036 wrote to memory of 2636	1036	CONTRACT-HSB7555-07-22.exe	31
PID 1036 wrote to memory of 2636	1036	CONTRACT-HSB7555-07-22.exe	31
PID 1036 wrote to memory of 2636	1036	CONTRACT-HSB7555-07-22.exe	31
PID 1036 wrote to memory of 2112	1036	CONTRACT-HSB7555-07-22.exe	33
PID 1036 wrote to memory of 2112	1036	CONTRACT-HSB7555-07-22.exe	33
PID 1036 wrote to memory of 2112	1036	CONTRACT-HSB7555-07-22.exe	33
PID 1036 wrote to memory of 2112	1036	CONTRACT-HSB7555-07-22.exe	33
PID 1036 wrote to memory of 1504	1036	CONTRACT-HSB7555-07-22.exe	35
PID 1036 wrote to memory of 1504	1036	CONTRACT-HSB7555-07-22.exe	35
PID 1036 wrote to memory of 1504	1036	CONTRACT-HSB7555-07-22.exe	35
PID 1036 wrote to memory of 1504	1036	CONTRACT-HSB7555-07-22.exe	35
PID 1036 wrote to memory of 1504	1036	CONTRACT-HSB7555-07-22.exe	35
PID 1036 wrote to memory of 1504	1036	CONTRACT-HSB7555-07-22.exe	35
PID 1036 wrote to memory of 1504	1036	CONTRACT-HSB7555-07-22.exe	35
PID 1036 wrote to memory of 1504	1036	CONTRACT-HSB7555-07-22.exe	35
PID 1036 wrote to memory of 1504	1036	CONTRACT-HSB7555-07-22.exe	35
PID 1036 wrote to memory of 1504	1036	CONTRACT-HSB7555-07-22.exe	35
PID 1036 wrote to memory of 1504	1036	CONTRACT-HSB7555-07-22.exe	35
PID 1036 wrote to memory of 1504	1036	CONTRACT-HSB7555-07-22.exe	35
PID 1504 wrote to memory of 1496	1504	MSBuild.exe	36
PID 1504 wrote to memory of 1496	1504	MSBuild.exe	36
PID 1504 wrote to memory of 1496	1504	MSBuild.exe	36
PID 1504 wrote to memory of 1496	1504	MSBuild.exe	36

C:\Users\Admin\AppData\Local\Temp\CONTRACT-HSB7555-07-22.exe
"C:\Users\Admin\AppData\Local\Temp\CONTRACT-HSB7555-07-22.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1036
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lpuqOXYcEwD.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2636
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lpuqOXYcEwD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA19C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2112
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1504
- - C:\Users\Admin\AppData\Roaming\Install\Host.exe
    "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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\tmpA19C.tmp

Filesize
1KB

MD5
4773adc9a23becd83c6741adf068d80f

SHA1
ac3cfbac752456c28c9d9332ffba20a26a400e20

SHA256
b8b73638bf31cad4152e1c3b395378cf58036aa0778661f79431b3ecce41f9cb

SHA512
c5de840b0dc186336dc2a94f1f05c622b7860c0fce61425708eafaaa9fc2237d6f37f746cec4442ff38cf2f0568c005937deb008d811f343ce6e2fc68ce7f468

Download Submit
\Users\Admin\AppData\Roaming\Install\Host.exe

Filesize
255KB

MD5
9af17c8393f0970ee5136bd3ffa27001

SHA1
4b285b72c1a11285a25f31f2597e090da6bbc049

SHA256
71d6a7a3fe5f8dc878cd5bdeca0e09177efb85c01e9a8a10a95262cabefaa019

SHA512
b90f7de7d5ce72dccb264c7ba609e173c529b9d99ed9a63f88632bc58b1a994bbb727365f519c73b979f8918bd6de3c39a9f0347eb3a4bccdce4b2772a6516a3

Download Submit
memory/1036-6-0x0000000000340000-0x000000000034A000-memory.dmp

Filesize
40KB

Download
memory/1036-3-0x0000000000210000-0x0000000000226000-memory.dmp

Filesize
88KB

Download
memory/1036-4-0x0000000074C2E000-0x0000000074C2F000-memory.dmp

Filesize
4KB

Download
memory/1036-5-0x0000000074C20000-0x000000007530E000-memory.dmp

Filesize
6.9MB

Download
memory/1036-34-0x0000000074C20000-0x000000007530E000-memory.dmp

Filesize
6.9MB

Download
memory/1036-7-0x0000000000A00000-0x0000000000A7C000-memory.dmp

Filesize
496KB

Download
memory/1036-2-0x0000000074C20000-0x000000007530E000-memory.dmp

Filesize
6.9MB

Download
memory/1036-13-0x0000000000DF0000-0x0000000000E1E000-memory.dmp

Filesize
184KB

Download
memory/1036-0-0x0000000074C2E000-0x0000000074C2F000-memory.dmp

Filesize
4KB

Download
memory/1036-1-0x0000000000E20000-0x0000000000EB6000-memory.dmp

Filesize
600KB

Download
memory/1496-41-0x0000000000AD0000-0x0000000000B10000-memory.dmp

Filesize
256KB

Download
memory/1504-16-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1504-28-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1504-26-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1504-24-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1504-22-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1504-20-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1504-18-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1504-30-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1504-32-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1504-31-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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