Analysis
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max time kernel
124s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
14-11-2022 16:05
Static task
static1
Behavioral task
behavioral1
Sample
FACTURA09473773.exe
Resource
win7-20220901-en
General
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Target
FACTURA09473773.exe
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Size
869KB
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MD5
765188ba741378b933fe5031593c3237
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SHA1
0e9bcebaba138d15f24de1129cc8799905a5b16c
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SHA256
481f3d87a7521d78973241b978e076e2a19beacd54a2307d444f760e47f5589e
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SHA512
a3b45caf7ac994740f919ed7eda0e596dcbd20ce991e9c159201124f63b3db8181019806f5daa0b5decce6e093613c6145cb4b1b97b0fbefc243c16346f481a3
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SSDEEP
24576:l1CFvW+Sg3pOVI+jODkjxKgr83io3F93:lYFua3iI+6Ijsgr8SoV9
Malware Config
Extracted
netwire
podzeye2.duckdns.org:4433
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activex_autorun
false
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copy_executable
false
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delete_original
false
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host_id
HostId-%Rand%
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lock_executable
false
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offline_keylogger
false
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password
Password
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registry_autorun
false
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use_mutex
false
Signatures
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NetWire RAT payload 4 IoCs
Processes:
resource yara_rule behavioral2/memory/4688-143-0x0000000000400000-0x0000000000450000-memory.dmp netwire behavioral2/memory/4688-144-0x0000000000400000-0x0000000000450000-memory.dmp netwire behavioral2/memory/4688-145-0x0000000000400000-0x0000000000450000-memory.dmp netwire behavioral2/memory/4688-149-0x0000000000400000-0x0000000000450000-memory.dmp netwire -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
FACTURA09473773.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation FACTURA09473773.exe -
Uses the VBS compiler for execution 1 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
FACTURA09473773.exedescription pid process target process PID 384 set thread context of 4688 384 FACTURA09473773.exe vbc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
FACTURA09473773.exepowershell.exepid process 384 FACTURA09473773.exe 384 FACTURA09473773.exe 384 FACTURA09473773.exe 384 FACTURA09473773.exe 384 FACTURA09473773.exe 384 FACTURA09473773.exe 384 FACTURA09473773.exe 2036 powershell.exe 2036 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
FACTURA09473773.exepowershell.exedescription pid process Token: SeDebugPrivilege 384 FACTURA09473773.exe Token: SeDebugPrivilege 2036 powershell.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
FACTURA09473773.exedescription pid process target process PID 384 wrote to memory of 2036 384 FACTURA09473773.exe powershell.exe PID 384 wrote to memory of 2036 384 FACTURA09473773.exe powershell.exe PID 384 wrote to memory of 2036 384 FACTURA09473773.exe powershell.exe PID 384 wrote to memory of 3664 384 FACTURA09473773.exe schtasks.exe PID 384 wrote to memory of 3664 384 FACTURA09473773.exe schtasks.exe PID 384 wrote to memory of 3664 384 FACTURA09473773.exe schtasks.exe PID 384 wrote to memory of 4688 384 FACTURA09473773.exe vbc.exe PID 384 wrote to memory of 4688 384 FACTURA09473773.exe vbc.exe PID 384 wrote to memory of 4688 384 FACTURA09473773.exe vbc.exe PID 384 wrote to memory of 4688 384 FACTURA09473773.exe vbc.exe PID 384 wrote to memory of 4688 384 FACTURA09473773.exe vbc.exe PID 384 wrote to memory of 4688 384 FACTURA09473773.exe vbc.exe PID 384 wrote to memory of 4688 384 FACTURA09473773.exe vbc.exe PID 384 wrote to memory of 4688 384 FACTURA09473773.exe vbc.exe PID 384 wrote to memory of 4688 384 FACTURA09473773.exe vbc.exe PID 384 wrote to memory of 4688 384 FACTURA09473773.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\FACTURA09473773.exe"C:\Users\Admin\AppData\Local\Temp\FACTURA09473773.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:384 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pyrkZKyvPtKPQ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2036 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pyrkZKyvPtKPQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4BBE.tmp"2⤵
- Creates scheduled task(s)
PID:3664 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵PID:4688
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp4BBE.tmpFilesize
1KB
MD526ad9f37808b1afe3ccd8ec9936c7e5d
SHA16b452ad35e86055bcc5aff4f78be9f66815030ad
SHA256ec0dc9f9008f781efc613e914c6cd666fe31008f8002d96f4c95bfe59db242e6
SHA51201f2b15e15983993cff0cf8c500409fa26592aa87cb51c1da1448fc848e530e93d3fc5acb0996a970a2a9695334d5e000e74f96453a4b51210c402de5da797c8
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memory/384-133-0x0000000005830000-0x0000000005DD4000-memory.dmpFilesize
5.6MB
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memory/384-134-0x00000000051C0000-0x0000000005252000-memory.dmpFilesize
584KB
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memory/384-135-0x0000000005280000-0x000000000528A000-memory.dmpFilesize
40KB
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memory/384-136-0x0000000008E50000-0x0000000008EEC000-memory.dmpFilesize
624KB
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memory/384-132-0x0000000000760000-0x000000000083E000-memory.dmpFilesize
888KB
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memory/2036-146-0x0000000005920000-0x0000000005942000-memory.dmpFilesize
136KB
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memory/2036-147-0x00000000059C0000-0x0000000005A26000-memory.dmpFilesize
408KB
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memory/2036-155-0x00000000073C0000-0x00000000073DA000-memory.dmpFilesize
104KB
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memory/2036-160-0x00000000076F0000-0x00000000076F8000-memory.dmpFilesize
32KB
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memory/2036-141-0x0000000005280000-0x00000000058A8000-memory.dmpFilesize
6.2MB
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memory/2036-159-0x0000000007710000-0x000000000772A000-memory.dmpFilesize
104KB
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memory/2036-139-0x00000000027A0000-0x00000000027D6000-memory.dmpFilesize
216KB
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memory/2036-158-0x0000000007600000-0x000000000760E000-memory.dmpFilesize
56KB
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memory/2036-137-0x0000000000000000-mapping.dmp
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memory/2036-156-0x0000000007440000-0x000000000744A000-memory.dmpFilesize
40KB
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memory/2036-148-0x0000000005AA0000-0x0000000005B06000-memory.dmpFilesize
408KB
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memory/2036-157-0x0000000007650000-0x00000000076E6000-memory.dmpFilesize
600KB
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memory/2036-150-0x00000000060B0000-0x00000000060CE000-memory.dmpFilesize
120KB
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memory/2036-151-0x0000000006680000-0x00000000066B2000-memory.dmpFilesize
200KB
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memory/2036-152-0x0000000071320000-0x000000007136C000-memory.dmpFilesize
304KB
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memory/2036-153-0x0000000006660000-0x000000000667E000-memory.dmpFilesize
120KB
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memory/2036-154-0x0000000007A00000-0x000000000807A000-memory.dmpFilesize
6.5MB
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memory/3664-138-0x0000000000000000-mapping.dmp
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memory/4688-144-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/4688-149-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/4688-145-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/4688-143-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/4688-142-0x0000000000000000-mapping.dmp