Analysis
- max time kernel
145s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system - submitted
25/12/2023, 20:04
Behavioral task
behavioral1
Sample
3a063843b86882f4adc81ec1cdfb7bca.exe
Resource
win7-20231129-en
8 signatures
150 seconds
General
- Target 3a063843b86882f4adc81ec1cdfb7bca.exe
- Size 594KB
- Sample231225-ys9pvsfbcp
- SHA256 cfc906e180861810f8d8a4b578116054ef6f84ab725196124af6450629c2c05a
- MD5 3a063843b86882f4adc81ec1cdfb7bca
- SHA1 cbeb7aed619982f754d79ad2fe44cd20280a0638
- SHA512 fc9ebfb8e183a0bad00f6bc28e999c69929eb545d5a7fd2b1803076137c3ffb89888dc8a4aca113182e35106b7d3f6fd6483cf8ae7752f3d5a2732329a8c045b
- SSDEEP 12288:OJz0TrCqVM8UoAs4fg4xbFs9lLaAgev1pS4aCkFdqri9VWQMkbx/yMFqNfuN:mirCkUo8fLBqmze9pS4a7qu9VdMkbIMZ
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
netwire
C2
-
automan.duckdns.org:3382
Attributes
-
activex_autorun
false
-
copy_executable
true
-
delete_original
false
-
host_id
HostId-%Rand%
-
install_path
%AppData%\Install\Host.exe
-
keylogger_dir
%AppData%\Logs\
-
lock_executable
false
-
mutex
HDPAYslj
-
offline_keylogger
true
-
password
onelove82
-
registry_autorun
true
-
startup_name
NetWire
-
use_mutex
true
Signatures
- NetWire RAT payload 16 IoCs
resource yara_rule behavioral2/files/0x0007000000023225-3.dat netwire behavioral2/memory/2832-13-0x0000000000400000-0x000000000042B000-memory.dmp netwire behavioral2/memory/2040-15-0x0000000000400000-0x000000000042B000-memory.dmp netwire behavioral2/memory/2040-16-0x0000000000400000-0x000000000042B000-memory.dmp netwire behavioral2/memory/2040-17-0x0000000000400000-0x000000000042B000-memory.dmp netwire behavioral2/memory/2040-18-0x0000000000400000-0x000000000042B000-memory.dmp netwire behavioral2/memory/2040-19-0x0000000000400000-0x000000000042B000-memory.dmp netwire behavioral2/memory/2040-20-0x0000000000400000-0x000000000042B000-memory.dmp netwire behavioral2/memory/2040-21-0x0000000000400000-0x000000000042B000-memory.dmp netwire behavioral2/memory/2040-22-0x0000000000400000-0x000000000042B000-memory.dmp netwire behavioral2/memory/2040-23-0x0000000000400000-0x000000000042B000-memory.dmp netwire behavioral2/memory/2040-24-0x0000000000400000-0x000000000042B000-memory.dmp netwire behavioral2/memory/2040-25-0x0000000000400000-0x000000000042B000-memory.dmp netwire behavioral2/memory/2040-26-0x0000000000400000-0x000000000042B000-memory.dmp netwire behavioral2/memory/2040-27-0x0000000000400000-0x000000000042B000-memory.dmp netwire behavioral2/memory/2040-28-0x0000000000400000-0x000000000042B000-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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation test.exe - Executes dropped EXE 2 IoCs
pid Process 2832 test.exe 2040 Host.exe -
resource yara_rule behavioral2/memory/1016-0-0x0000000000400000-0x000000000055C000-memory.dmp upx behavioral2/memory/1016-14-0x0000000000400000-0x000000000055C000-memory.dmp upx - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NetWire = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\Host.exe" Host.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 1016 wrote to memory of 544 1016 3a063843b86882f4adc81ec1cdfb7bca.exe 88 PID 1016 wrote to memory of 544 1016 3a063843b86882f4adc81ec1cdfb7bca.exe 88 PID 1016 wrote to memory of 544 1016 3a063843b86882f4adc81ec1cdfb7bca.exe 88 PID 544 wrote to memory of 2832 544 cmd.exe 89 PID 544 wrote to memory of 2832 544 cmd.exe 89 PID 544 wrote to memory of 2832 544 cmd.exe 89 PID 2832 wrote to memory of 2040 2832 test.exe 93 PID 2832 wrote to memory of 2040 2832 test.exe 93 PID 2832 wrote to memory of 2040 2832 test.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\3a063843b86882f4adc81ec1cdfb7bca.exe"C:\Users\Admin\AppData\Local\Temp\3a063843b86882f4adc81ec1cdfb7bca.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1016 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c test.exe2⤵
- Suspicious use of WriteProcessMemory
PID:544 -
C:\Users\Admin\AppData\Local\Temp\test.exetest.exe3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2832 -
C:\Users\Admin\AppData\Roaming\Install\Host.exe"C:\Users\Admin\AppData\Roaming\Install\Host.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
PID:2040
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\test.exe
- Size 127KB
- SHA256 d5e61bdd7736038993c3762a6a2192b2730a44562bde045fa95ba9e45525bc3c
- MD5 947c706540a4f3083fc09dbbd20aa0d7
- SHA1 b1add7d17a38b1d0e906ad86f034c6528bb371af
- SHA512 df794541bd7fe99058f5de6dd7e4e158a657aae31d00d464718f836a07f6a9af36b073a312586bfa7d4ad672c4fd58c6644b788eeb5fd20496d398383c1d7e23
- SSDEEP 3072:Uq3E2BfBSbEsz7nCAFVNNvBGvdO5gPaEjep8Fe7Z1iO7ZbvbbQV7:BRBfBSosz7nCA3NHCdXaEj7Fe7Z1iOFi
- MD5 SHA1 SHA512 SSDEEP