Analysis
- max time kernel
52s - max time network
61s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
27/02/2022, 10:36
Static task
static1
Behavioral task
behavioral1
Sample
INVOICE-F0774.exe
Resource
win7-20220223-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
INVOICE-F0774.exe
Resource
win10v2004-en-20220112
0 signatures
0 seconds
General
- Target INVOICE-F0774.exe
- Size 600KB
- Sample220227-mnfqfacac6
- SHA256 c24ceed8f4fa062af34c785cbafb72b8efd029131d0df391de76b2f9dcded675
- MD5 4f75b1a5494625220adcdb8f81440064
- SHA1 fb2215c6e82d566c4be6ff1a94e0e869d86d22ab
- SHA512 d241a6b782ca36ede56e9d2e2aca8267ee46aa36c60204a72a31b2026099174257b92cb9871a0553de61f79664c4fc66eb04ea67501c6c0f98ab0d541d0bd7b5
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
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netwire
C2
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onelove03.duckdns.org:3382
Attributes
-
activex_autorun
false
- activex_key
-
copy_executable
true
-
delete_original
false
-
host_id
HostId-%Rand%
-
install_path
%AppData%\Install\Host.exe
-
keylogger_dir
%AppData%\Logs\
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lock_executable
false
-
mutex
CwTYUOXt
-
offline_keylogger
true
-
password
onelove82
-
registry_autorun
true
-
startup_name
NetWire
-
use_mutex
true
Signatures
- NetWire RAT payload 2 IoCs
resource yara_rule behavioral2/memory/556-135-0x0000000000400000-0x0000000000497000-memory.dmp netwire behavioral2/memory/556-137-0x0000000000400000-0x000000000042B000-memory.dmp netwire - Executes dropped EXE 2 IoCs
pid Process 3356 Host.exe 3660 Host.exe - 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-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation INVOICE-F0774.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ Host.exe Set value (str) \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NetWire = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\Host.exe" Host.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
pid Process 1164 INVOICE-F0774.exe 556 INVOICE-F0774.exe 556 INVOICE-F0774.exe 3356 Host.exe 3660 Host.exe 3660 Host.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1164 set thread context of 556 1164 INVOICE-F0774.exe 66 PID 3356 set thread context of 3660 3356 Host.exe 73 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1164 INVOICE-F0774.exe 3356 Host.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1164 wrote to memory of 556 1164 INVOICE-F0774.exe 66 PID 1164 wrote to memory of 556 1164 INVOICE-F0774.exe 66 PID 1164 wrote to memory of 556 1164 INVOICE-F0774.exe 66 PID 556 wrote to memory of 3356 556 INVOICE-F0774.exe 70 PID 556 wrote to memory of 3356 556 INVOICE-F0774.exe 70 PID 556 wrote to memory of 3356 556 INVOICE-F0774.exe 70 PID 3356 wrote to memory of 3660 3356 Host.exe 73 PID 3356 wrote to memory of 3660 3356 Host.exe 73 PID 3356 wrote to memory of 3660 3356 Host.exe 73
Processes
-
C:\Users\Admin\AppData\Local\Temp\INVOICE-F0774.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE-F0774.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1164 -
C:\Users\Admin\AppData\Local\Temp\INVOICE-F0774.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE-F0774.exe"2⤵
- Checks computer location settings
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:556 -
C:\Users\Admin\AppData\Roaming\Install\Host.exe"C:\Users\Admin\AppData\Roaming\Install\Host.exe"3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3356 -
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
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:3660
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