netwire | f27cfe634752295541b6e423eca850ddd14c96ffed6bc108791e181200567b04

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17-04-2024 12:56

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General

Target

d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81.exe
Size

171KB
MD5

7a6a6b35d4bc575897a1420134afc96a
SHA1

9c5e87ce87b70a52f57097172c2babde2021454b
SHA256

d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81
SHA512

b879c2bf81017f8f97d4db3b458d6f3ff6eb1acb6e28394d9a292d58e83194857c6c5981378170e81d383340eb3eff42d2d64ce54ebd7a3e7357988428da5d2e
SSDEEP

3072:k/0CVy40hsbOeOyupBfOP8S6Uj9Av0fEdiFxFXwElgdEA/fLpujDqTrk3mjcqfZ:kswhwyJLjzfiib53W/fLpsDq/k7qf

Score

10^/10

netwire botnet rat stealer

Malware Config

Extracted

Family

netwire

sosclient.duckdns.org:9002

Attributes

activex_autorun
true
activex_key
{OTGC73Q0-N4WA-4861-311L-BE075477ANH7}
copy_executable
false
delete_original
false
host_id
08-%Rand%
lock_executable
true
mutex
stostmDW
offline_keylogger
false
password
10203010Aa
registry_autorun
true
startup_name
Windows defender
use_mutex
true

Signatures

NetWire RAT payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/3044-20-0x0000000000400000-0x0000000000420000-memory.dmp	netwire
behavioral1/memory/3044-24-0x0000000000400000-0x0000000000420000-memory.dmp	netwire
behavioral1/memory/3044-22-0x0000000000400000-0x0000000000420000-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 startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundlll32.exe	d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundlll32.exe	d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundlll32.f5maiww5.lnk	d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81.exe

Executes dropped EXE 2 IoCs

pid	Process
2744	rundlll32.exe
2564	rundlll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2928	d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81.exe
2928	d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2744 set thread context of 3044	2744	rundlll32.exe	30

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1356	3044	WerFault.exe	30

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2928	d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81.exe
Token: SeDebugPrivilege	2744	rundlll32.exe
Token: SeDebugPrivilege	2564	rundlll32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2928	d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2928	d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 2744	2928	d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81.exe	28
PID 2928 wrote to memory of 2744	2928	d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81.exe	28
PID 2928 wrote to memory of 2744	2928	d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81.exe	28
PID 2928 wrote to memory of 2744	2928	d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81.exe	28
PID 2744 wrote to memory of 2564	2744	rundlll32.exe	29
PID 2744 wrote to memory of 2564	2744	rundlll32.exe	29
PID 2744 wrote to memory of 2564	2744	rundlll32.exe	29
PID 2744 wrote to memory of 2564	2744	rundlll32.exe	29
PID 2744 wrote to memory of 3044	2744	rundlll32.exe	30
PID 2744 wrote to memory of 3044	2744	rundlll32.exe	30
PID 2744 wrote to memory of 3044	2744	rundlll32.exe	30
PID 2744 wrote to memory of 3044	2744	rundlll32.exe	30
PID 2744 wrote to memory of 3044	2744	rundlll32.exe	30
PID 2744 wrote to memory of 3044	2744	rundlll32.exe	30
PID 2744 wrote to memory of 3044	2744	rundlll32.exe	30
PID 2744 wrote to memory of 3044	2744	rundlll32.exe	30
PID 2744 wrote to memory of 3044	2744	rundlll32.exe	30
PID 2744 wrote to memory of 3044	2744	rundlll32.exe	30
PID 2744 wrote to memory of 3044	2744	rundlll32.exe	30
PID 2744 wrote to memory of 3044	2744	rundlll32.exe	30
PID 3044 wrote to memory of 1356	3044	AppLaunch.exe	31
PID 3044 wrote to memory of 1356	3044	AppLaunch.exe	31
PID 3044 wrote to memory of 1356	3044	AppLaunch.exe	31
PID 3044 wrote to memory of 1356	3044	AppLaunch.exe	31
PID 3044 wrote to memory of 1356	3044	AppLaunch.exe	31
PID 3044 wrote to memory of 1356	3044	AppLaunch.exe	31
PID 3044 wrote to memory of 1356	3044	AppLaunch.exe	31

C:\Users\Admin\AppData\Local\Temp\d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81.exe
"C:\Users\Admin\AppData\Local\Temp\d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundlll32.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundlll32.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundlll32.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundlll32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2564
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3044
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 220
      4⤵
      Program crash
      PID:1356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundlll32.exe

Filesize
171KB

MD5
7a6a6b35d4bc575897a1420134afc96a

SHA1
9c5e87ce87b70a52f57097172c2babde2021454b

SHA256
d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81

SHA512
b879c2bf81017f8f97d4db3b458d6f3ff6eb1acb6e28394d9a292d58e83194857c6c5981378170e81d383340eb3eff42d2d64ce54ebd7a3e7357988428da5d2e

Download Submit
memory/2564-18-0x0000000000390000-0x00000000003D0000-memory.dmp

Filesize
256KB

Download
memory/2564-27-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/2564-28-0x0000000000390000-0x00000000003D0000-memory.dmp

Filesize
256KB

Download
memory/2564-17-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/2564-19-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/2744-10-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/2744-15-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/2744-13-0x0000000000610000-0x0000000000650000-memory.dmp

Filesize
256KB

Download
memory/2744-26-0x0000000000610000-0x0000000000650000-memory.dmp

Filesize
256KB

Download
memory/2744-25-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/2928-14-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/2928-0-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/2928-2-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/2928-1-0x0000000001EF0000-0x0000000001F30000-memory.dmp

Filesize
256KB

Download
memory/3044-20-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3044-24-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3044-22-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download