Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
03/06/2024, 01:26
Behavioral task
behavioral1
Sample
9b334d2b8db951b393e19d87eb88115973977fd38c438fc441ba6f68a010cfbc.exe
Resource
win7-20240221-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
9b334d2b8db951b393e19d87eb88115973977fd38c438fc441ba6f68a010cfbc.exe
Resource
win10v2004-20240508-en
9 signatures
150 seconds
General
- Target 9b334d2b8db951b393e19d87eb88115973977fd38c438fc441ba6f68a010cfbc.exe
- Size 28KB
- Sample240603-btjhqsff37
- SHA256 9b334d2b8db951b393e19d87eb88115973977fd38c438fc441ba6f68a010cfbc
- MD5 a00e44bd1ed29f00953b31afadc649ac
- SHA1 cec750591b0635bd0f3971f674701c960cf36970
- SHA512 a8180f75242d33db70c8a33691a29a151c7204a3b915a45a56ea303268a0a370024deeb2d370ab175376ccad4b4006e1a9c1f4f4fc6e8f51c2e3554d935ce088
- SSDEEP 384:2px4kO+uL7ze1hlFuqAQwxFj40LE2kMhGvbilvxwAHMJq6+:yx++BT7u5Q0s0LDh0b
- MD5 SHA1 SHA512 SSDEEP
Score
8/10
Malware Config
Signatures
- Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4364 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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation 9b334d2b8db951b393e19d87eb88115973977fd38c438fc441ba6f68a010cfbc.exe - Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e79d569ba77562f0d4316e586835f0a2.exe Chrome.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e79d569ba77562f0d4316e586835f0a2.exe Chrome.exe - Executes dropped EXE 1 IoCs
pid Process 3488 Chrome.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e79d569ba77562f0d4316e586835f0a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Chrome.exe\" .." Chrome.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\e79d569ba77562f0d4316e586835f0a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Chrome.exe\" .." Chrome.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 48 IoCs
pid Process 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe 3488 Chrome.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3488 Chrome.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3856 wrote to memory of 3488 3856 9b334d2b8db951b393e19d87eb88115973977fd38c438fc441ba6f68a010cfbc.exe 82 PID 3856 wrote to memory of 3488 3856 9b334d2b8db951b393e19d87eb88115973977fd38c438fc441ba6f68a010cfbc.exe 82 PID 3856 wrote to memory of 3488 3856 9b334d2b8db951b393e19d87eb88115973977fd38c438fc441ba6f68a010cfbc.exe 82 PID 3488 wrote to memory of 4364 3488 Chrome.exe 83 PID 3488 wrote to memory of 4364 3488 Chrome.exe 83 PID 3488 wrote to memory of 4364 3488 Chrome.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\9b334d2b8db951b393e19d87eb88115973977fd38c438fc441ba6f68a010cfbc.exe"C:\Users\Admin\AppData\Local\Temp\9b334d2b8db951b393e19d87eb88115973977fd38c438fc441ba6f68a010cfbc.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3856 -
C:\Users\Admin\AppData\Local\Temp\Chrome.exe"C:\Users\Admin\AppData\Local\Temp\Chrome.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3488 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Chrome.exe" "Chrome.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:4364
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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
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\Chrome.exe
- Size 28KB
- SHA256 9b334d2b8db951b393e19d87eb88115973977fd38c438fc441ba6f68a010cfbc
- MD5 a00e44bd1ed29f00953b31afadc649ac
- SHA1 cec750591b0635bd0f3971f674701c960cf36970
- SHA512 a8180f75242d33db70c8a33691a29a151c7204a3b915a45a56ea303268a0a370024deeb2d370ab175376ccad4b4006e1a9c1f4f4fc6e8f51c2e3554d935ce088
- SSDEEP 384:2px4kO+uL7ze1hlFuqAQwxFj40LE2kMhGvbilvxwAHMJq6+:yx++BT7u5Q0s0LDh0b
- MD5 SHA1 SHA512 SSDEEP