Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2024 00:25
Behavioral task
behavioral1
Sample
908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd.exe
Resource
win10v2004-20241007-en
General
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Target
908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd.exe
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Size
29KB
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MD5
a3bebd489a0b4c4dce0673ef8b6b6754
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SHA1
1767b75bb4a4d5dd8f4b06589b4544b89b774aa9
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SHA256
908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd
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SHA512
9d977a226f9b9ec2037d5bf272857a662af637ceb9b319d1fb048a923b29a893d01c3799f20595e3fb2fdb1eec96a82b26a69467b74791fa614d013306bba51d
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SSDEEP
384:Y7hkrLGN8fNl7L5H4yAyr9n95/K4ZoumqDYcqeYtGBsbh0w4wlAokw9OhgOL1vYB:Y67R4yAy944Aq1qe5BKh0p29SgRN5
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3872 netsh.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation 908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd.exe -
Executes dropped EXE 1 IoCs
pid Process 5060 winlog.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b3d7ad373951cd040fb05f6d6f5bf314 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\winlog.exe\" .." winlog.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\b3d7ad373951cd040fb05f6d6f5bf314 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\winlog.exe\" .." winlog.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 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 908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winlog.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: EnumeratesProcesses 48 IoCs
pid Process 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe 5060 winlog.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5060 winlog.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4928 wrote to memory of 5060 4928 908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd.exe 82 PID 4928 wrote to memory of 5060 4928 908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd.exe 82 PID 4928 wrote to memory of 5060 4928 908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd.exe 82 PID 5060 wrote to memory of 3872 5060 winlog.exe 83 PID 5060 wrote to memory of 3872 5060 winlog.exe 83 PID 5060 wrote to memory of 3872 5060 winlog.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd.exe"C:\Users\Admin\AppData\Local\Temp\908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Users\Admin\AppData\Local\Temp\winlog.exe"C:\Users\Admin\AppData\Local\Temp\winlog.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5060 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\winlog.exe" "winlog.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:3872
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
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Filesize
29KB
MD5a3bebd489a0b4c4dce0673ef8b6b6754
SHA11767b75bb4a4d5dd8f4b06589b4544b89b774aa9
SHA256908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd
SHA5129d977a226f9b9ec2037d5bf272857a662af637ceb9b319d1fb048a923b29a893d01c3799f20595e3fb2fdb1eec96a82b26a69467b74791fa614d013306bba51d