netwire | 2b9deb8ac5e81a7dab9a62ab926820281d5f91d8bf4b301eaa2508a66f3c3642

Analysis

max time kernel
105s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
27/02/2022, 17:26

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General

Target
2B9DEB8AC5E81A7DAB9A62AB926820281D5F91D8BF4B3.exe
Size 127KB
Sample220227-vzvyhadgap
SHA256 2b9deb8ac5e81a7dab9a62ab926820281d5f91d8bf4b301eaa2508a66f3c3642
MD5 017b487214f042b788131298389b32d9
SHA1 2f669d13aa73c0425405ba1bb0308a489f39b3b9
SHA512 4bbe8f16cba3353b985355891569383989eff1c16f86fcc49aed475e0c32267ab0554b80968814666f45584ead5abc8f6f74dc7bbefde6ca28f34827e7164482
MD5 SHA1 SHA512

Score

10^/10

netwire botnet persistence rat stealer

Malware Config

Extracted

Family

netwire

gotchabitch.duckdns.org:3360
gotcha.bounceme.net:3360
pwndroid.bounceme.net:3360

Attributes

activex_autorun
false
activex_key
copy_executable
true
delete_original
false
host_id
KhaosBot-%Rand%
install_path
%AppData%\Microsoft\dIIhost.exe
keylogger_dir
%AppData%\Logs\
lock_executable
false
mutex
LTpsUNln
offline_keylogger
true
password
KhaosBringer
registry_autorun
true
startup_name
dllhost
use_mutex
true

Signatures

NetWire RAT payload 2 IoCs

rat

resource	yara_rule
behavioral2/files/0x000400000001ed0c-130.dat	netwire
behavioral2/files/0x000400000001ed0c-131.dat	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 1 IoCs

pid	Process
1488	dIIhost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	2B9DEB8AC5E81A7DAB9A62AB926820281D5F91D8BF4B3.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	dIIhost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\dIIhost.exe"	dIIhost.exe

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 3 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 1488	2616	2B9DEB8AC5E81A7DAB9A62AB926820281D5F91D8BF4B3.exe	64
PID 2616 wrote to memory of 1488	2616	2B9DEB8AC5E81A7DAB9A62AB926820281D5F91D8BF4B3.exe	64
PID 2616 wrote to memory of 1488	2616	2B9DEB8AC5E81A7DAB9A62AB926820281D5F91D8BF4B3.exe	64

C:\Users\Admin\AppData\Local\Temp\2B9DEB8AC5E81A7DAB9A62AB926820281D5F91D8BF4B3.exe
"C:\Users\Admin\AppData\Local\Temp\2B9DEB8AC5E81A7DAB9A62AB926820281D5F91D8BF4B3.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Users\Admin\AppData\Roaming\Microsoft\dIIhost.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\dIIhost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:1488

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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