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Analysis
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max time kernel
120s -
max time network
112s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
21/08/2024, 00:11
Static task
static1
Behavioral task
behavioral1
Sample
4652aff532fce673afb6bdf984d8ad60N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
4652aff532fce673afb6bdf984d8ad60N.exe
Resource
win10v2004-20240802-en
General
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Target
4652aff532fce673afb6bdf984d8ad60N.exe
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Size
157KB
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MD5
4652aff532fce673afb6bdf984d8ad60
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SHA1
06bb0f4ff5b4e2b888793e34599a0cb2e34b1b4e
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SHA256
b681b5a1b72475075ec9480b1c1acdcfd16b5bde2d7f3bd9578dbc9a8a553d64
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SHA512
c035b89a108f8cc34406543d894a609cb04ec8fd7cdd58fbebca3a61591432429845188669d113f1faf63f08007204dbce133d09fff37823380d4e1c71c1192a
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SSDEEP
3072:leVsjyYsAq/C3RCzgJHvNA1PpYfFL6zU+BEfi:gOjjqahUSPe1SZ+h
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 1208 svchost.exe -
Loads dropped DLL 2 IoCs
pid Process 1080 4652aff532fce673afb6bdf984d8ad60N.exe 1080 4652aff532fce673afb6bdf984d8ad60N.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\5799574e = "C:\\Windows\\apppatch\\svchost.exe" 4652aff532fce673afb6bdf984d8ad60N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\5799574e = "C:\\Windows\\apppatch\\svchost.exe" svchost.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\apppatch\svchost.exe 4652aff532fce673afb6bdf984d8ad60N.exe File created C:\Windows\apppatch\svchost.exe 4652aff532fce673afb6bdf984d8ad60N.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 4652aff532fce673afb6bdf984d8ad60N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe 1208 svchost.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1080 4652aff532fce673afb6bdf984d8ad60N.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1080 wrote to memory of 1208 1080 4652aff532fce673afb6bdf984d8ad60N.exe 30 PID 1080 wrote to memory of 1208 1080 4652aff532fce673afb6bdf984d8ad60N.exe 30 PID 1080 wrote to memory of 1208 1080 4652aff532fce673afb6bdf984d8ad60N.exe 30 PID 1080 wrote to memory of 1208 1080 4652aff532fce673afb6bdf984d8ad60N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\4652aff532fce673afb6bdf984d8ad60N.exe"C:\Users\Admin\AppData\Local\Temp\4652aff532fce673afb6bdf984d8ad60N.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:1080 -
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:1208
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
157KB
MD5f3a1c59d35b33942de6ca165cb6961db
SHA1eb1c536054746f8ce8c94e501fb11cf969390fa9
SHA256c11c352165a8ec2727c4dbab1261709912175ed98887896792b8d7e2cdcd0cca
SHA512b97a4086a3177883c70054878fffd6c2209e8099ec9bf0f10f8eb9dff436fd80736171befe908fa6454beab11f44f756ff0f0dce424beb1d66a13f05bf01ada2