Analysis
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max time kernel
91s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
14-09-2022 15:34
Static task
static1
Behavioral task
behavioral1
Sample
Screenshot_06.scr
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Screenshot_06.scr
Resource
win10v2004-20220812-en
General
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Target
Screenshot_06.scr
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Size
280KB
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MD5
1ed5bcc01a8089fd6e3085a78e4956a7
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SHA1
461fd6a2f8e29ebaf1f7e61f05ce1fe4ae4bca10
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SHA256
31ea489cce90c230fba6c502d97bd1fb804f881194e4ee516fc29c8b27b10cc1
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SHA512
e69959d5be1e1239f6903ff1a8a22379ee2fd9cba56231ae5dfc8f6cf39858601bf02152d903daeddfcc9335a2cb54ec38c030c9cb3017ef5f13f66a130c7621
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SSDEEP
6144:cvhvCENP+urb1AlE72pkTbZi/02De/Tj58jaBWtZ1mG:CcbQUk5RwMTjkaBaz
Malware Config
Extracted
netwire
iphanyi.edns.biz:3360
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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
RDP_SEPT_2022
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install_path
%AppData%\Install\Host.exe
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lock_executable
false
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offline_keylogger
false
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password
caster123
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registry_autorun
false
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use_mutex
false
Signatures
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Modifies WinLogon for persistence 2 TTPs 2 IoCs
Processes:
Screenshot_06.scrHost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\bLQ9B7Js87PVOyNh\\bcNt2IRn4pco.exe\",explorer.exe" Screenshot_06.scr Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\bLQ9B7Js87PVOyNh\\CXHB0ZnvsCBq.exe\" \"C:\\Users\\Admin\\AppData\\Roaming\\bLQ9B7Js87PVOyNh\\bcNt2IRn4pco.exe\",explorer.exe" Host.exe -
NetWire RAT payload 4 IoCs
Processes:
resource yara_rule behavioral2/memory/3648-133-0x000000007FA80000-0x000000007FAD0000-memory.dmp netwire behavioral2/memory/3648-138-0x000000007FA80000-0x000000007FAD0000-memory.dmp netwire behavioral2/memory/4908-140-0x000000007F2D0000-0x000000007F320000-memory.dmp netwire behavioral2/memory/4908-142-0x000000007F2D0000-0x000000007F320000-memory.dmp netwire -
Executes dropped EXE 1 IoCs
Processes:
Host.exepid process 4908 Host.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Screenshot_06.scrdescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation Screenshot_06.scr -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Screenshot_06.scrHost.exedescription pid process Token: SeDebugPrivilege 3648 Screenshot_06.scr Token: SeDebugPrivilege 4908 Host.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
Screenshot_06.scrdescription pid process target process PID 3648 wrote to memory of 4908 3648 Screenshot_06.scr Host.exe PID 3648 wrote to memory of 4908 3648 Screenshot_06.scr Host.exe PID 3648 wrote to memory of 4908 3648 Screenshot_06.scr Host.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Screenshot_06.scr"C:\Users\Admin\AppData\Local\Temp\Screenshot_06.scr" /S1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Install\Host.exe"C:\Users\Admin\AppData\Roaming\Install\Host.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Install\Host.exeFilesize
280KB
MD51ed5bcc01a8089fd6e3085a78e4956a7
SHA1461fd6a2f8e29ebaf1f7e61f05ce1fe4ae4bca10
SHA25631ea489cce90c230fba6c502d97bd1fb804f881194e4ee516fc29c8b27b10cc1
SHA512e69959d5be1e1239f6903ff1a8a22379ee2fd9cba56231ae5dfc8f6cf39858601bf02152d903daeddfcc9335a2cb54ec38c030c9cb3017ef5f13f66a130c7621
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C:\Users\Admin\AppData\Roaming\Install\Host.exeFilesize
280KB
MD51ed5bcc01a8089fd6e3085a78e4956a7
SHA1461fd6a2f8e29ebaf1f7e61f05ce1fe4ae4bca10
SHA25631ea489cce90c230fba6c502d97bd1fb804f881194e4ee516fc29c8b27b10cc1
SHA512e69959d5be1e1239f6903ff1a8a22379ee2fd9cba56231ae5dfc8f6cf39858601bf02152d903daeddfcc9335a2cb54ec38c030c9cb3017ef5f13f66a130c7621
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memory/3648-132-0x0000000074880000-0x0000000074E31000-memory.dmpFilesize
5.7MB
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memory/3648-133-0x000000007FA80000-0x000000007FAD0000-memory.dmpFilesize
320KB
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memory/3648-137-0x0000000074880000-0x0000000074E31000-memory.dmpFilesize
5.7MB
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memory/3648-138-0x000000007FA80000-0x000000007FAD0000-memory.dmpFilesize
320KB
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memory/4908-134-0x0000000000000000-mapping.dmp
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memory/4908-139-0x0000000074880000-0x0000000074E31000-memory.dmpFilesize
5.7MB
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memory/4908-140-0x000000007F2D0000-0x000000007F320000-memory.dmpFilesize
320KB
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memory/4908-141-0x0000000074880000-0x0000000074E31000-memory.dmpFilesize
5.7MB
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memory/4908-142-0x000000007F2D0000-0x000000007F320000-memory.dmpFilesize
320KB