Analysis
-
max time kernel
117s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
08-07-2024 17:36
Static task
static1
Behavioral task
behavioral1
Sample
Attached_Productssxlx..exe
Resource
win7-20240704-en
General
-
Target
Attached_Productssxlx..exe
-
Size
2.2MB
-
MD5
b728ebe3c239d1ae3ecf44a116fc9ba5
-
SHA1
77b7483fdb65597fe700ebf723fb0072fa5efd9e
-
SHA256
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e
-
SHA512
c4666cb572f40afc591860acf4945b3fb5ace718094b1299d75ec2195cf8df1ffcffb66197af822655d9bc36b269776b28a578a12f1f7ef2ff5824add657cb33
-
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
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2820-20-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2820-17-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2820-15-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2820-22-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2820-21-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Processes:
Attached_Productssxlx..exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Attached_Productssxlx..exe -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
Attached_Productssxlx..exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions Attached_Productssxlx..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.
-
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
Attached_Productssxlx..exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools Attached_Productssxlx..exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
Attached_Productssxlx..exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Attached_Productssxlx..exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Attached_Productssxlx..exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
installutil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 installutil.exe Key opened \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 installutil.exe Key opened \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 installutil.exe -
Processes:
Attached_Productssxlx..exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Attached_Productssxlx..exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Attached_Productssxlx..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 4 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:
Attached_Productssxlx..exedescription ioc process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 Attached_Productssxlx..exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum Attached_Productssxlx..exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Attached_Productssxlx..exedescription pid process target process PID 1944 set thread context of 2820 1944 Attached_Productssxlx..exe installutil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
powershell.exeinstallutil.exepid process 2652 powershell.exe 2820 installutil.exe 2820 installutil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeinstallutil.exedescription pid process Token: SeDebugPrivilege 2652 powershell.exe Token: SeDebugPrivilege 2820 installutil.exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
Attached_Productssxlx..exeinstallutil.exedescription pid process target process PID 1944 wrote to memory of 2652 1944 Attached_Productssxlx..exe powershell.exe PID 1944 wrote to memory of 2652 1944 Attached_Productssxlx..exe powershell.exe PID 1944 wrote to memory of 2652 1944 Attached_Productssxlx..exe powershell.exe PID 1944 wrote to memory of 2756 1944 Attached_Productssxlx..exe regasm.exe PID 1944 wrote to memory of 2756 1944 Attached_Productssxlx..exe regasm.exe PID 1944 wrote to memory of 2756 1944 Attached_Productssxlx..exe regasm.exe PID 1944 wrote to memory of 2756 1944 Attached_Productssxlx..exe regasm.exe PID 1944 wrote to memory of 2756 1944 Attached_Productssxlx..exe regasm.exe PID 1944 wrote to memory of 2756 1944 Attached_Productssxlx..exe regasm.exe PID 1944 wrote to memory of 2756 1944 Attached_Productssxlx..exe regasm.exe PID 1944 wrote to memory of 2820 1944 Attached_Productssxlx..exe installutil.exe PID 1944 wrote to memory of 2820 1944 Attached_Productssxlx..exe installutil.exe PID 1944 wrote to memory of 2820 1944 Attached_Productssxlx..exe installutil.exe PID 1944 wrote to memory of 2820 1944 Attached_Productssxlx..exe installutil.exe PID 1944 wrote to memory of 2820 1944 Attached_Productssxlx..exe installutil.exe PID 1944 wrote to memory of 2820 1944 Attached_Productssxlx..exe installutil.exe PID 1944 wrote to memory of 2820 1944 Attached_Productssxlx..exe installutil.exe PID 1944 wrote to memory of 2820 1944 Attached_Productssxlx..exe installutil.exe PID 1944 wrote to memory of 2820 1944 Attached_Productssxlx..exe installutil.exe PID 1944 wrote to memory of 2820 1944 Attached_Productssxlx..exe installutil.exe PID 1944 wrote to memory of 2820 1944 Attached_Productssxlx..exe installutil.exe PID 1944 wrote to memory of 2820 1944 Attached_Productssxlx..exe installutil.exe PID 1944 wrote to memory of 2796 1944 Attached_Productssxlx..exe WerFault.exe PID 1944 wrote to memory of 2796 1944 Attached_Productssxlx..exe WerFault.exe PID 1944 wrote to memory of 2796 1944 Attached_Productssxlx..exe WerFault.exe PID 2820 wrote to memory of 1252 2820 installutil.exe netsh.exe PID 2820 wrote to memory of 1252 2820 installutil.exe netsh.exe PID 2820 wrote to memory of 1252 2820 installutil.exe netsh.exe PID 2820 wrote to memory of 1252 2820 installutil.exe netsh.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
Attached_Productssxlx..exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Attached_Productssxlx..exe -
outlook_office_path 1 IoCs
Processes:
installutil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 installutil.exe -
outlook_win_path 1 IoCs
Processes:
installutil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 installutil.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Attached_Productssxlx..exe"C:\Users\Admin\AppData\Local\Temp\Attached_Productssxlx..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:1944 -
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\Attached_Productssxlx..exe" -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2652 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵PID:2756
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2820 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
- Event Triggered Execution: Netsh Helper DLL
PID:1252 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 1944 -s 8002⤵PID:2796
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