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
Behavioral task
behavioral1
Sample
9ceccc7696bb12b58faef74164114eef.exe
Resource
win7-20231215-en
8 signatures
150 seconds
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
Malware Config
Extracted
Family
-
netwire
C2
-
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
resource yara_rule behavioral2/memory/3896-14-0x0000000000400000-0x0000000000434000-memory.dmp netwire behavioral2/memory/220-16-0x0000000000400000-0x0000000000434000-memory.dmp netwire - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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 -
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
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).
- 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
Processes
-
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.exeC:\Windows\system32\cmd.exe /c test.exe2⤵
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Users\Admin\AppData\Local\Temp\test.exetest.exe3⤵
- 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
Replay Monitor
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Downloads
- 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