netwire | 81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67

General

Target

81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
Size

440KB
MD5

53fd837cce4527d93c5d4cf91f822155
SHA1

59a5ecd6bc055784f05dbd7aa099a125bb9a0263
SHA256

81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67
SHA512

877c9954e9de9f7afef2498999e067e8e41dfbeaff1bf878f1d5654153ef6afe99c3d0db5b75b254faaa5ad2517f53aacd2f9b84dbf85ad90e305cb13176fb0e
SSDEEP

6144:YFb5HOviqia9rwJYJkh8qEnwoHo7YDh/GdTUpdTxk6zsVN3JRjN3Jw:g5HOvsSr8YJkPEw5ZT4d11cN3JRpJw

Score

10^/10

netwire botnet discovery rat stealer

Malware Config

Extracted

Family

netwire

C2

vad.invvipbooknowreverse.vladimir.ru:8079

vlad.securefoodlinkdownload.kz:8078

vlad.racordvasdems.su:8077

Attributes

activex_autorun
false
copy_executable
false
delete_original
false
host_id
NossSs-%Rand%
keylogger_dir
%AppData%\Dobe\
lock_executable
false
offline_keylogger
true
password
19891989
registry_autorun
false
use_mutex
false

Signatures

NetWire RAT payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/2216-3-0x0000000000400000-0x0000000000420000-memory.dmp	netwire
behavioral2/memory/2216-5-0x0000000000400000-0x0000000000420000-memory.dmp	netwire
behavioral2/memory/2216-7-0x0000000000400000-0x0000000000420000-memory.dmp	netwire
behavioral2/memory/2216-10-0x0000000000400000-0x0000000000420000-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

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\.Identifier	calc.exe
File created	C:\Windows\SysWOW64\.Identifier	calc.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1576	564	WerFault.exe	80
4092	4324	WerFault.exe	88

System Location Discovery: System Language Discovery 1 TTPs 2 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	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
4324	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
4324	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
4324	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
4324	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
4324	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
4324	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
4324	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
4324	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
4324	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
4324	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 564 wrote to memory of 2216	564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe	85
PID 564 wrote to memory of 2216	564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe	85
PID 564 wrote to memory of 2216	564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe	85
PID 564 wrote to memory of 2216	564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe	85
PID 564 wrote to memory of 2216	564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe	85
PID 564 wrote to memory of 2216	564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe	85
PID 564 wrote to memory of 2216	564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe	85
PID 564 wrote to memory of 2216	564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe	85
PID 564 wrote to memory of 2216	564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe	85
PID 564 wrote to memory of 2216	564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe	85
PID 564 wrote to memory of 2216	564	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe	85
PID 4324 wrote to memory of 1236	4324	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe	93
PID 4324 wrote to memory of 1236	4324	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe	93
PID 4324 wrote to memory of 1236	4324	81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe	93

C:\Users\Admin\AppData\Local\Temp\81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
"C:\Users\Admin\AppData\Local\Temp\81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:564
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 564 -s 576
  2⤵
  - Program crash
  PID:1576
- C:\Windows\SysWOW64\calc.exe
  calc.exe
  2⤵
  - Drops file in System32 directory
  PID:2216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 564 -ip 564
1⤵
PID:576

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1132

C:\Users\Admin\AppData\Local\Temp\81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe
"C:\Users\Admin\AppData\Local\Temp\81f623714de0a3dfb0a537b3be6e5fa52c23e4c530ef0f4bc3c38dc988f44d67.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4324
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 560
  2⤵
  - Program crash
  PID:4092
- C:\Windows\SysWOW64\calc.exe
  calc.exe
  2⤵
  PID:1236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4324 -ip 4324
1⤵
PID:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/564-0-0x0000000002480000-0x00000000024FB000-memory.dmp

Filesize
492KB

Download
memory/564-1-0x0000000077D24000-0x0000000077D25000-memory.dmp

Filesize
4KB

Download
memory/564-4-0x0000000002480000-0x00000000024FB000-memory.dmp

Filesize
492KB

Download
memory/2216-2-0x0000000077D24000-0x0000000077D25000-memory.dmp

Filesize
4KB

Download
memory/2216-3-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2216-5-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2216-7-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2216-6-0x00000000008B0000-0x00000000008B1000-memory.dmp

Filesize
4KB

Download
memory/2216-10-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4324-11-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download

Analysis

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