Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
09-07-2024 17:27
Static task
static1
Behavioral task
behavioral1
Sample
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe
Resource
win10v2004-20240709-en
General
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Target
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe
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Size
2.2MB
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MD5
b728ebe3c239d1ae3ecf44a116fc9ba5
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SHA1
77b7483fdb65597fe700ebf723fb0072fa5efd9e
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SHA256
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e
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SHA512
c4666cb572f40afc591860acf4945b3fb5ace718094b1299d75ec2195cf8df1ffcffb66197af822655d9bc36b269776b28a578a12f1f7ef2ff5824add657cb33
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SSDEEP
12288:/PPi293YbcHEAVYaQkAvxvMnaqrYsuETiXjiwJ7g58h2wyu0f2g8tw+CpCh:/YbckCYaQdxKaq8suUKjDdg5k279ugCh
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.oserfech.eu - Port:
587 - Username:
[email protected] - Password:
Success@2022 - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2580-14-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2580-12-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2580-10-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2580-7-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2580-8-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Processes:
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
CasPol.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe -
Processes:
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 2 checkip.dyndns.org -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exedescription pid process target process PID 2644 set thread context of 2580 2644 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe CasPol.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.
Processes:
netsh.exedescription 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 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
powershell.exeCasPol.exepid process 2988 powershell.exe 2580 CasPol.exe 2580 CasPol.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeCasPol.exedescription pid process Token: SeDebugPrivilege 2988 powershell.exe Token: SeDebugPrivilege 2580 CasPol.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exeCasPol.exedescription pid process target process PID 2644 wrote to memory of 2988 2644 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe powershell.exe PID 2644 wrote to memory of 2988 2644 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe powershell.exe PID 2644 wrote to memory of 2988 2644 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe powershell.exe PID 2644 wrote to memory of 2580 2644 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe CasPol.exe PID 2644 wrote to memory of 2580 2644 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe CasPol.exe PID 2644 wrote to memory of 2580 2644 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe CasPol.exe PID 2644 wrote to memory of 2580 2644 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe CasPol.exe PID 2644 wrote to memory of 2580 2644 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe CasPol.exe PID 2644 wrote to memory of 2580 2644 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe CasPol.exe PID 2644 wrote to memory of 2580 2644 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe CasPol.exe PID 2644 wrote to memory of 2580 2644 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe CasPol.exe PID 2644 wrote to memory of 2580 2644 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe CasPol.exe PID 2644 wrote to memory of 2568 2644 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe WerFault.exe PID 2644 wrote to memory of 2568 2644 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe WerFault.exe PID 2644 wrote to memory of 2568 2644 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe WerFault.exe PID 2580 wrote to memory of 2944 2580 CasPol.exe netsh.exe PID 2580 wrote to memory of 2944 2580 CasPol.exe netsh.exe PID 2580 wrote to memory of 2944 2580 CasPol.exe netsh.exe PID 2580 wrote to memory of 2944 2580 CasPol.exe netsh.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe -
outlook_office_path 1 IoCs
Processes:
CasPol.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe -
outlook_win_path 1 IoCs
Processes:
CasPol.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe"C:\Users\Admin\AppData\Local\Temp\745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe"1⤵
- UAC bypass
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2644 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe" -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2988 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2580 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
- Event Triggered Execution: Netsh Helper DLL
PID:2944 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2644 -s 9882⤵PID:2568
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
2Virtualization/Sandbox Evasion
2