Analysis
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max time kernel
150s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
12/11/2024, 12:14
Static task
static1
Behavioral task
behavioral1
Sample
56c87a1185ed6a8e688dfb9f658b651912c88f30b3001c89887fc7e91514fc8a.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
56c87a1185ed6a8e688dfb9f658b651912c88f30b3001c89887fc7e91514fc8a.exe
Resource
win10v2004-20241007-en
General
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Target
56c87a1185ed6a8e688dfb9f658b651912c88f30b3001c89887fc7e91514fc8a.exe
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Size
245KB
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MD5
ec9de179c2f0152454a02bf698482773
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SHA1
805b99d72f181a81f2627652cd1a28e4b74d3071
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SHA256
56c87a1185ed6a8e688dfb9f658b651912c88f30b3001c89887fc7e91514fc8a
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SHA512
a5227355a8d121d2091c95986e87cb3b3d01150b47bd29a06f0071b701865b2a349cd580731f7adc7d528c14ed31da8220022ddfc978c0a6eddc63b8d3518f1c
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SSDEEP
6144:O7HI/0S6GcV6yabg0OLe//fRD/uzc+8fJpgY08g:gH6b6GcV6wq/fJ/rDfJpgYE
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\apppatch\\svchost.exe," svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2532 svchost.exe -
Loads dropped DLL 2 IoCs
pid Process 2252 56c87a1185ed6a8e688dfb9f658b651912c88f30b3001c89887fc7e91514fc8a.exe 2252 56c87a1185ed6a8e688dfb9f658b651912c88f30b3001c89887fc7e91514fc8a.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\5ae4f1e1 = "C:\\Windows\\apppatch\\svchost.exe" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\5ae4f1e1 = "C:\\Windows\\apppatch\\svchost.exe" 56c87a1185ed6a8e688dfb9f658b651912c88f30b3001c89887fc7e91514fc8a.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\apppatch\svchost.exe 56c87a1185ed6a8e688dfb9f658b651912c88f30b3001c89887fc7e91514fc8a.exe File opened for modification C:\Windows\apppatch\svchost.exe 56c87a1185ed6a8e688dfb9f658b651912c88f30b3001c89887fc7e91514fc8a.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 56c87a1185ed6a8e688dfb9f658b651912c88f30b3001c89887fc7e91514fc8a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2532 svchost.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2252 56c87a1185ed6a8e688dfb9f658b651912c88f30b3001c89887fc7e91514fc8a.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2252 wrote to memory of 2532 2252 56c87a1185ed6a8e688dfb9f658b651912c88f30b3001c89887fc7e91514fc8a.exe 30 PID 2252 wrote to memory of 2532 2252 56c87a1185ed6a8e688dfb9f658b651912c88f30b3001c89887fc7e91514fc8a.exe 30 PID 2252 wrote to memory of 2532 2252 56c87a1185ed6a8e688dfb9f658b651912c88f30b3001c89887fc7e91514fc8a.exe 30 PID 2252 wrote to memory of 2532 2252 56c87a1185ed6a8e688dfb9f658b651912c88f30b3001c89887fc7e91514fc8a.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\56c87a1185ed6a8e688dfb9f658b651912c88f30b3001c89887fc7e91514fc8a.exe"C:\Users\Admin\AppData\Local\Temp\56c87a1185ed6a8e688dfb9f658b651912c88f30b3001c89887fc7e91514fc8a.exe"1⤵
- Loads dropped DLL
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2252 -
C:\Windows\apppatch\svchost.exe"C:\Windows\apppatch\svchost.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2532
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
245KB
MD589764bc23344d29c1b282d81fbb26233
SHA172a18a089edbecfa8532ded8b3e39bfff2d69b95
SHA256afd233173612eee8229f64940b9338eb741d88f6b10bd624f0e1accbc07f15b9
SHA512818d094d24e4424b1c0367833fa315cebc31802a18f41d02c009f6e7be3985ba226404d8133b8b844f053dbce2c5f1b68ff74f839cba956a91e3071136b2d05d