netwire | 977c194b67780d322534885e826ed6a0de9b7f0fb94d642aa7a8f0c9ecb5fd7e

Analysis

max time kernel
144s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
15/02/2024, 04:10

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General

Target
9ceccc7696bb12b58faef74164114eef.exe
Size 393KB
Sample240215-ervd1agh75
SHA256 977c194b67780d322534885e826ed6a0de9b7f0fb94d642aa7a8f0c9ecb5fd7e
MD5 9ceccc7696bb12b58faef74164114eef
SHA1 ed8fa996435a802034a8dd599a7cfb95c2cba557
SHA512 7ace97d155e8bec7834babde1f6427a7540ae965fe0c429690e5958adc24d7bfbb6a3f8ef8fc2a666f6e9114ee42cbb2e7a0d913a7e8808e59a90f35e6cc53ef
SSDEEP 6144:MZFV6YJoVLIW91ILonX9buxDNae0rMAZZV8mS2vS+44kgQj1nKh/AY6PuqjDobEX:iT6eoVH91nnX84vS+4qQNUhqjDoIYov
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

netwire botnet persistence rat stealer upx

Malware Config

Extracted

Family

netwire

155.94.198.169:9112

Attributes

activex_autorun
false
copy_executable
true
delete_original
false
host_id
Corona-Virus
install_path
%AppData%\Install\offiice365.exe
keylogger_dir
%AppData%\Logs\
lock_executable
false
offline_keylogger
true
password
Pounds
registry_autorun
true
startup_name
officeii365
use_mutex
false

Signatures

NetWire RAT payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/3896-14-0x0000000000400000-0x0000000000434000-memory.dmp	netwire
behavioral2/memory/220-16-0x0000000000400000-0x0000000000434000-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

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-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	test.exe

Executes dropped EXE 2 IoCs

pid	Process
3896	test.exe
220	offiice365.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3520-0-0x0000000000400000-0x00000000004E9000-memory.dmp	upx
behavioral2/files/0x00090000000231e3-4.dat	upx
behavioral2/memory/3896-5-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral2/memory/3896-14-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral2/memory/3520-15-0x0000000000400000-0x00000000004E9000-memory.dmp	upx
behavioral2/memory/220-16-0x0000000000400000-0x0000000000434000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\officeii365 = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\offiice365.exe"	offiice365.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3520 wrote to memory of 1848	3520	9ceccc7696bb12b58faef74164114eef.exe	85
PID 3520 wrote to memory of 1848	3520	9ceccc7696bb12b58faef74164114eef.exe	85
PID 3520 wrote to memory of 1848	3520	9ceccc7696bb12b58faef74164114eef.exe	85
PID 1848 wrote to memory of 3896	1848	cmd.exe	86
PID 1848 wrote to memory of 3896	1848	cmd.exe	86
PID 1848 wrote to memory of 3896	1848	cmd.exe	86
PID 3896 wrote to memory of 220	3896	test.exe	87
PID 3896 wrote to memory of 220	3896	test.exe	87
PID 3896 wrote to memory of 220	3896	test.exe	87

C:\Users\Admin\AppData\Local\Temp\9ceccc7696bb12b58faef74164114eef.exe
"C:\Users\Admin\AppData\Local\Temp\9ceccc7696bb12b58faef74164114eef.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3520
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c test.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1848
- - C:\Users\Admin\AppData\Local\Temp\test.exe
    test.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:3896
  - - C:\Users\Admin\AppData\Roaming\Install\offiice365.exe
      "C:\Users\Admin\AppData\Roaming\Install\offiice365.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      PID:220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

test.exe

Path C:\Users\Admin\AppData\Local\Temp\test.exe
Size 70KB
SHA256 696063cab6b63873c298a5033e5be6b3b8213cc06df33221238d37cddd3c7187
MD5 eacc8434d9ddd4c93ea0cb0283db90a6
SHA1 f60e1dc07f5238d688b22d8e46d9924b7a9d2872
SHA512 d96ba53db82185f00b787014fa12e45bb62f614f395b55354266499b9175a6710bcd312774cce41b6d7c4eab1361a4730b50ca5880cf82895be445821a0b5817
SSDEEP 1536:6DrUHC2a86IoO2byfnodOvCPlih8qpjINjId5rfLgfEJMfIHfUl:6Drua8t2byv2PQhppIIHrTgeM8fUl
MD5 SHA1 SHA512 SSDEEP

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memory/220-16-0x0000000000400000-0x0000000000434000-memory.dmp

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memory/3520-0-0x0000000000400000-0x00000000004E9000-memory.dmp

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memory/3520-15-0x0000000000400000-0x00000000004E9000-memory.dmp

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memory/3896-5-0x0000000000400000-0x0000000000434000-memory.dmp

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memory/3896-14-0x0000000000400000-0x0000000000434000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads