netwire | 3ad19a02bb54043a60debfb2df478d11dc12e94c75b35ba9ba7cfa7694644962

Analysis

max time kernel
75s
max time network
142s
platform
windows10_x64
resource
win10v200722
submitted
31/08/2020, 10:56

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General

Target
vlcwn.exe
Size 464KB
Sample200831-vklal54d8e
SHA256 3ad19a02bb54043a60debfb2df478d11dc12e94c75b35ba9ba7cfa7694644962
MD5 11a79111b35f0977b642d37a1ebb36c0
SHA1 3e527d2b879b46c4d8a36553a8c155dff72020a4
SHA512 7407127e820553d226243ba41b2bb0e0e4440c9ecbe2186503eded9d87c26b4d74ab7275dfbd87f6cf90f0f3e4e602d5a345c23fae599588d662f7614172dbe7
MD5 SHA1 SHA512

Score

10^/10

rat botnet stealer netwire

Malware Config

Signatures

NetWire RAT payload 5 IoCs

rat

resource	yara_rule
behavioral2/memory/2408-7-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral2/memory/2408-7-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral2/memory/2408-8-0x000000000040242D-mapping.dmp	netwire
behavioral2/memory/2408-9-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral2/memory/2408-9-0x0000000000400000-0x0000000000433000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3888 set thread context of 2408	3888	vlcwn.exe	76

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat	svchost.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = 30ee6798967fd601	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecision = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionReason = "1"	svchost.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3888	vlcwn.exe
3888	vlcwn.exe
3888	vlcwn.exe
3888	vlcwn.exe
2452	Powershell.exe
2452	Powershell.exe
2452	Powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	408	svchost.exe
Token: SeCreatePagefilePrivilege	408	svchost.exe
Token: SeDebugPrivilege	3888	vlcwn.exe
Token: SeDebugPrivilege	2452	Powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3888 wrote to memory of 2352	3888	vlcwn.exe	75
PID 3888 wrote to memory of 2352	3888	vlcwn.exe	75
PID 3888 wrote to memory of 2352	3888	vlcwn.exe	75
PID 3888 wrote to memory of 2408	3888	vlcwn.exe	76
PID 3888 wrote to memory of 2408	3888	vlcwn.exe	76
PID 3888 wrote to memory of 2408	3888	vlcwn.exe	76
PID 3888 wrote to memory of 2408	3888	vlcwn.exe	76
PID 3888 wrote to memory of 2408	3888	vlcwn.exe	76
PID 3888 wrote to memory of 2408	3888	vlcwn.exe	76
PID 3888 wrote to memory of 2408	3888	vlcwn.exe	76
PID 3888 wrote to memory of 2408	3888	vlcwn.exe	76
PID 3888 wrote to memory of 2408	3888	vlcwn.exe	76
PID 3888 wrote to memory of 2408	3888	vlcwn.exe	76
PID 3888 wrote to memory of 2408	3888	vlcwn.exe	76
PID 3888 wrote to memory of 2452	3888	vlcwn.exe	77
PID 3888 wrote to memory of 2452	3888	vlcwn.exe	77
PID 3888 wrote to memory of 2452	3888	vlcwn.exe	77

C:\Users\Admin\AppData\Local\Temp\vlcwn.exe
"C:\Users\Admin\AppData\Local\Temp\vlcwn.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3888
- C:\Users\Admin\AppData\Local\Temp\vlcwn.exe
  "C:\Users\Admin\AppData\Local\Temp\vlcwn.exe"
  2⤵
  PID:2352
- C:\Users\Admin\AppData\Local\Temp\vlcwn.exe
  "C:\Users\Admin\AppData\Local\Temp\vlcwn.exe"
  2⤵
  PID:2408
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell" Add-MpPreference -ExclusionPath '"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\VideoLAN\vlc.exe"'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2452

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:408

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2408-7-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/2408-9-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/2452-13-0x0000000006F90000-0x0000000006F91000-memory.dmp

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memory/2452-15-0x0000000006DE0000-0x0000000006DE1000-memory.dmp

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memory/2452-34-0x0000000006990000-0x0000000006991000-memory.dmp

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memory/2452-32-0x0000000009050000-0x0000000009051000-memory.dmp

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memory/2452-31-0x00000000090F0000-0x00000000090F1000-memory.dmp

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memory/2452-30-0x0000000008EE0000-0x0000000008EE1000-memory.dmp

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memory/2452-11-0x00000000740A0000-0x000000007478E000-memory.dmp

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memory/2452-12-0x00000000042A0000-0x00000000042A1000-memory.dmp

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memory/2452-29-0x0000000008D70000-0x0000000008D71000-memory.dmp

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memory/2452-14-0x0000000006D20000-0x0000000006D21000-memory.dmp

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memory/2452-22-0x0000000008DB0000-0x0000000008DE3000-memory.dmp

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memory/2452-16-0x00000000076C0000-0x00000000076C1000-memory.dmp

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memory/2452-17-0x00000000077E0000-0x00000000077E1000-memory.dmp

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memory/2452-18-0x0000000006EB0000-0x0000000006EB1000-memory.dmp

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memory/2452-19-0x0000000007F10000-0x0000000007F11000-memory.dmp

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memory/2452-20-0x0000000007DF0000-0x0000000007DF1000-memory.dmp

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memory/3888-5-0x0000000004A30000-0x0000000004A31000-memory.dmp

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memory/3888-0-0x00000000740A0000-0x000000007478E000-memory.dmp

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memory/3888-1-0x0000000000180000-0x0000000000181000-memory.dmp

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memory/3888-3-0x0000000004FF0000-0x0000000004FF1000-memory.dmp

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memory/3888-4-0x0000000004A40000-0x0000000004A41000-memory.dmp

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memory/3888-6-0x0000000006730000-0x000000000677D000-memory.dmp

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