netwire | 1f668b9f2c52517082a4d3f724208033a9670ab16269eadc25dc349b74e38971

General

Target

f89b22a90681495d539a89d640304227_JaffaCakes118.exe
Size

204KB
MD5

f89b22a90681495d539a89d640304227
SHA1

71e5cac8c84fa33bae43b9a40551b0dc11d31a4e
SHA256

1f668b9f2c52517082a4d3f724208033a9670ab16269eadc25dc349b74e38971
SHA512

78ee8b654febe819f8a28654c414f2306d6980d401afab908606790401851c208265dcf778e821aca56cc2dbdf7ad0d57391707b58239f0359e26a615a6f28a1
SSDEEP

3072:6/o1N5dHcDXcsnbADxsLzyjAtFORMEGKl85d9W592RiEfq:6/o35dwrbkxezy+F+MEG3WWi

Score

10^/10

netwire botnet discovery rat stealer

Malware Config

Extracted

Family

netwire

C2

auth.dynns.com:1212

auth.myddns.me:1111

Attributes

activex_autorun
false
copy_executable
true
delete_original
true
host_id
HostId-%Rand%
install_path
%AppData%\Install\Host.exe
keylogger_dir
%AppData%\Logs\
lock_executable
false
offline_keylogger
true
password
Password
registry_autorun
false
use_mutex
false

Signatures

NetWire RAT payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2316-5-0x0000000000400000-0x0000000000420000-memory.dmp	netwire
behavioral1/memory/2316-18-0x0000000000400000-0x0000000000420000-memory.dmp	netwire
behavioral1/memory/3060-25-0x0000000000400000-0x0000000000420000-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

Deletes itself 1 IoCs

pid	Process
3060	Host.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Leopardskin.vbe	f89b22a90681495d539a89d640304227_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Leopardskin.vbe	Host.exe

Executes dropped EXE 1 IoCs

pid	Process
3060	Host.exe

Loads dropped DLL 2 IoCs

pid	Process
2316	f89b22a90681495d539a89d640304227_JaffaCakes118.exe
2316	f89b22a90681495d539a89d640304227_JaffaCakes118.exe

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	f89b22a90681495d539a89d640304227_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Host.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2316	f89b22a90681495d539a89d640304227_JaffaCakes118.exe
2316	f89b22a90681495d539a89d640304227_JaffaCakes118.exe
3060	Host.exe
3060	Host.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2316	f89b22a90681495d539a89d640304227_JaffaCakes118.exe
2316	f89b22a90681495d539a89d640304227_JaffaCakes118.exe
3060	Host.exe
3060	Host.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2316	f89b22a90681495d539a89d640304227_JaffaCakes118.exe
3060	Host.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2316	f89b22a90681495d539a89d640304227_JaffaCakes118.exe
3060	Host.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 3060	2316	f89b22a90681495d539a89d640304227_JaffaCakes118.exe	28
PID 2316 wrote to memory of 3060	2316	f89b22a90681495d539a89d640304227_JaffaCakes118.exe	28
PID 2316 wrote to memory of 3060	2316	f89b22a90681495d539a89d640304227_JaffaCakes118.exe	28
PID 2316 wrote to memory of 3060	2316	f89b22a90681495d539a89d640304227_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\f89b22a90681495d539a89d640304227_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f89b22a90681495d539a89d640304227_JaffaCakes118.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\AppData\Roaming\Install\Host.exe
  -m "C:\Users\Admin\AppData\Local\Temp\f89b22a90681495d539a89d640304227_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of UnmapMainImage
  PID:3060

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

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Leopardskin.vbe

Filesize
384B

MD5
f8d788a6625cefa7fb1d64ee0d7f4d7d

SHA1
59de511e9d2982bad897d38badcb5ed302efe315

SHA256
60e4cdb5b140f3240268da3160b59205e197152293b22928e837fa07aed6b7c6

SHA512
57c2811ce0ee0aaf4e5fe844083d706cd63cf0564889a74e4303bfe543ac74298f2e614e5145da2bfeb9b18a49e0d41c389c2ab2721a807c2f1dcd9cdc51eca1

Download Submit
\Users\Admin\AppData\Roaming\Install\Host.exe

Filesize
204KB

MD5
f89b22a90681495d539a89d640304227

SHA1
71e5cac8c84fa33bae43b9a40551b0dc11d31a4e

SHA256
1f668b9f2c52517082a4d3f724208033a9670ab16269eadc25dc349b74e38971

SHA512
78ee8b654febe819f8a28654c414f2306d6980d401afab908606790401851c208265dcf778e821aca56cc2dbdf7ad0d57391707b58239f0359e26a615a6f28a1

Download Submit
memory/2316-4-0x0000000077E80000-0x0000000077F56000-memory.dmp

Filesize
856KB

Download
memory/2316-5-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2316-18-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2316-19-0x0000000072940000-0x0000000072A60000-memory.dmp

Filesize
1.1MB

Download
memory/2316-34-0x0000000072940000-0x0000000072A60000-memory.dmp

Filesize
1.1MB

Download
memory/3060-25-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3060-33-0x0000000072940000-0x0000000072A93000-memory.dmp

Filesize
1.3MB

Download
memory/3060-32-0x0000000072940000-0x0000000072A93000-memory.dmp

Filesize
1.3MB

Download

Analysis

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