netwire | 9b697bd07f78c00751511ba619ba1a018d3628378d7e2d6c7ba35ceb9e99cac4

General

Target
SMCB005.exe
Size 474KB
Sample220301-hakd9aaagm
SHA256 9b697bd07f78c00751511ba619ba1a018d3628378d7e2d6c7ba35ceb9e99cac4
MD5 7ca03a524246c40d38e8e42e194fd4de
SHA1 5c67b18a2027fabf5a2c07cd4a1e9534aa623192
SHA512 fb4baf1db9d78bb6bc8add4794a1076a767d7dbb226fbdeae3d501f2e7cbe619af9abe79c33a1995a21b48508fd399c0fcd8a051bf95a6cd3d0914d0aedaf970
MD5 SHA1 SHA512

Score

10^/10

netwire botnet persistence rat stealer

Malware Config

Extracted

Family

netwire

C2

194.147.140.14:4550

Attributes

activex_autorun
false
activex_key
copy_executable
false
delete_original
false
host_id
THANA
install_path
keylogger_dir
lock_executable
false
mutex
offline_keylogger
false
password
DrvbK8mdyY4F6Uh
registry_autorun
false
startup_name
�ЪY��m��tD�
use_mutex
false

Signatures

NetWire RAT payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/3772-134-0x0000000000400000-0x0000000000444000-memory.dmp	netwire
behavioral2/memory/3772-136-0x0000000000400000-0x0000000000444000-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

Executes dropped EXE 2 IoCs

pid	Process
3488	gyvvdkbgp.exe
3772	gyvvdkbgp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wbguxohcgabeas = "C:\\Users\\Admin\\AppData\\Roaming\\vmilheifddmqm\\umnsmkexpiut.exe"	gyvvdkbgp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3488 set thread context of 3772	3488	gyvvdkbgp.exe	80

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1012 wrote to memory of 3488	1012	SMCB005.exe	79
PID 1012 wrote to memory of 3488	1012	SMCB005.exe	79
PID 1012 wrote to memory of 3488	1012	SMCB005.exe	79
PID 3488 wrote to memory of 3772	3488	gyvvdkbgp.exe	80
PID 3488 wrote to memory of 3772	3488	gyvvdkbgp.exe	80
PID 3488 wrote to memory of 3772	3488	gyvvdkbgp.exe	80
PID 3488 wrote to memory of 3772	3488	gyvvdkbgp.exe	80
PID 3488 wrote to memory of 3772	3488	gyvvdkbgp.exe	80
PID 3488 wrote to memory of 3772	3488	gyvvdkbgp.exe	80
PID 3488 wrote to memory of 3772	3488	gyvvdkbgp.exe	80
PID 3488 wrote to memory of 3772	3488	gyvvdkbgp.exe	80
PID 3488 wrote to memory of 3772	3488	gyvvdkbgp.exe	80
PID 3488 wrote to memory of 3772	3488	gyvvdkbgp.exe	80
PID 3488 wrote to memory of 3772	3488	gyvvdkbgp.exe	80
PID 3488 wrote to memory of 3772	3488	gyvvdkbgp.exe	80
PID 3488 wrote to memory of 3772	3488	gyvvdkbgp.exe	80

C:\Users\Admin\AppData\Local\Temp\SMCB005.exe
"C:\Users\Admin\AppData\Local\Temp\SMCB005.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1012
- C:\Users\Admin\AppData\Local\Temp\gyvvdkbgp.exe
  C:\Users\Admin\AppData\Local\Temp\gyvvdkbgp.exe C:\Users\Admin\AppData\Local\Temp\tyrskozdv
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3488
- - C:\Users\Admin\AppData\Local\Temp\gyvvdkbgp.exe
    C:\Users\Admin\AppData\Local\Temp\gyvvdkbgp.exe C:\Users\Admin\AppData\Local\Temp\tyrskozdv
    3⤵
    - Executes dropped EXE
    PID:3772

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3772-134-0x0000000000400000-0x0000000000444000-memory.dmp

Download

memory/3772-136-0x0000000000400000-0x0000000000444000-memory.dmp