netwire | 738e16b6660e32ed957f9fd9e0c5cea56b1aaa7695bcdb56998ca9866071e32b

General

Target
Scan_0011121021000.exe
Size 1.9MB
Sample210106-raev6tyakn
SHA256 738e16b6660e32ed957f9fd9e0c5cea56b1aaa7695bcdb56998ca9866071e32b
MD5 dfbdf304ffb322276a26f4d7ac26ea34
SHA1 5fd5e24be102441882add9a32e432ac32333ca6d
SHA512 09454ca8e82c963fc9caa564057f6bd4c6cd2f974f9ce42a4bbb1910ef21223398420e0d8748069194499ecbd5b9b8f9905d05f45c760b422161d7785eaa8acb
MD5 SHA1 SHA512

Score

10^/10

netwire botnet persistence rat stealer

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Scan_0011121021000.exe\""	Scan_0011121021000.exe

NetWire RAT payload 6 IoCs

rat

resource	yara_rule
behavioral2/memory/216-10-0x0000000000400000-0x0000000000437000-memory.dmp	netwire
behavioral2/memory/216-11-0x0000000000402453-mapping.dmp	netwire
behavioral2/memory/216-12-0x0000000000400000-0x0000000000437000-memory.dmp	netwire
behavioral2/memory/216-18-0x0000000000402453-mapping.dmp	netwire
behavioral2/memory/216-17-0x0000000000402453-mapping.dmp	netwire
behavioral2/memory/216-19-0x0000000000402453-mapping.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

ServiceHost packer 3 IoCs

Detects ServiceHost packer used for .NET malware

resource	yara_rule
behavioral2/memory/216-18-0x0000000000402453-mapping.dmp	servicehost
behavioral2/memory/216-17-0x0000000000402453-mapping.dmp	servicehost
behavioral2/memory/216-19-0x0000000000402453-mapping.dmp	servicehost

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Scan_0011121021000.exe	Scan_0011121021000.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Scan_0011121021000.exe	Scan_0011121021000.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\<Unknown> = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Scan_0011121021000.exe"	Scan_0011121021000.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\Scan_0011121021000.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Scan_0011121021000.exe"	Scan_0011121021000.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3408 set thread context of 216	3408	Scan_0011121021000.exe	76

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2284	216	WerFault.exe	76

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2284	WerFault.exe
2284	WerFault.exe
2284	WerFault.exe
2284	WerFault.exe
2284	WerFault.exe
2284	WerFault.exe
2284	WerFault.exe
2284	WerFault.exe
2284	WerFault.exe
2284	WerFault.exe
2284	WerFault.exe
2284	WerFault.exe
2284	WerFault.exe
2284	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	2284	WerFault.exe
Token: SeBackupPrivilege	2284	WerFault.exe
Token: SeDebugPrivilege	2284	WerFault.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3408 wrote to memory of 216	3408	Scan_0011121021000.exe	76
PID 3408 wrote to memory of 216	3408	Scan_0011121021000.exe	76
PID 3408 wrote to memory of 216	3408	Scan_0011121021000.exe	76
PID 3408 wrote to memory of 216	3408	Scan_0011121021000.exe	76
PID 3408 wrote to memory of 216	3408	Scan_0011121021000.exe	76
PID 3408 wrote to memory of 216	3408	Scan_0011121021000.exe	76
PID 3408 wrote to memory of 216	3408	Scan_0011121021000.exe	76
PID 3408 wrote to memory of 216	3408	Scan_0011121021000.exe	76
PID 3408 wrote to memory of 216	3408	Scan_0011121021000.exe	76
PID 3408 wrote to memory of 216	3408	Scan_0011121021000.exe	76
PID 3408 wrote to memory of 216	3408	Scan_0011121021000.exe	76
PID 3408 wrote to memory of 216	3408	Scan_0011121021000.exe	76

C:\Users\Admin\AppData\Local\Temp\Scan_0011121021000.exe
"C:\Users\Admin\AppData\Local\Temp\Scan_0011121021000.exe"
1⤵
- Modifies WinLogon for persistence
- Drops startup file
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3408
- C:\Users\Admin\AppData\Local\Temp\Scan_0011121021000.exe
  "C:\Users\Admin\AppData\Local\Temp\Scan_0011121021000.exe"
  2⤵
  PID:216
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 216 -s 484
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2284

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/216-13-0x0000000010000000-0x0000000010006000-memory.dmp

Download

memory/216-12-0x0000000000400000-0x0000000000437000-memory.dmp

Download

memory/216-10-0x0000000000400000-0x0000000000437000-memory.dmp

Download

memory/2284-14-0x0000000004C00000-0x0000000004C01000-memory.dmp

Download

memory/3408-6-0x0000000005190000-0x00000000051D3000-memory.dmp

Download

memory/3408-9-0x0000000005B20000-0x0000000005B21000-memory.dmp

Download

memory/3408-8-0x0000000005B40000-0x0000000005B41000-memory.dmp

Download

memory/3408-7-0x0000000007330000-0x0000000007331000-memory.dmp

Download

memory/3408-2-0x0000000073E00000-0x00000000744EE000-memory.dmp

Download

memory/3408-5-0x0000000005930000-0x0000000005931000-memory.dmp

Download

memory/3408-3-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads