Analysis
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max time kernel
114s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
09-07-2024 01:30
Static task
static1
Behavioral task
behavioral1
Sample
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe
Resource
win10v2004-20240704-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 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2976-5-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Processes:
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe -
Processes:
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe = "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 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-771719357-2485960699-3367710044-1000\Control Panel\International\Geo\Nation 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Processes:
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe = "0" 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
regasm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-771719357-2485960699-3367710044-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe Key opened \REGISTRY\USER\S-1-5-21-771719357-2485960699-3367710044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe Key opened \REGISTRY\USER\S-1-5-21-771719357-2485960699-3367710044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe -
Processes:
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 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 1272 set thread context of 2976 1272 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe regasm.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 4 IoCs
Processes:
powershell.exeregasm.exepid process 4156 powershell.exe 4156 powershell.exe 2976 regasm.exe 2976 regasm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeregasm.exedescription pid process Token: SeDebugPrivilege 4156 powershell.exe Token: SeDebugPrivilege 2976 regasm.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exeregasm.exedescription pid process target process PID 1272 wrote to memory of 4156 1272 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe powershell.exe PID 1272 wrote to memory of 4156 1272 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe powershell.exe PID 1272 wrote to memory of 2976 1272 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe regasm.exe PID 1272 wrote to memory of 2976 1272 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe regasm.exe PID 1272 wrote to memory of 2976 1272 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe regasm.exe PID 1272 wrote to memory of 2976 1272 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe regasm.exe PID 1272 wrote to memory of 2976 1272 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe regasm.exe PID 1272 wrote to memory of 2976 1272 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe regasm.exe PID 1272 wrote to memory of 2976 1272 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe regasm.exe PID 1272 wrote to memory of 2976 1272 745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe regasm.exe PID 2976 wrote to memory of 5004 2976 regasm.exe netsh.exe PID 2976 wrote to memory of 5004 2976 regasm.exe netsh.exe PID 2976 wrote to memory of 5004 2976 regasm.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:
regasm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-771719357-2485960699-3367710044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe -
outlook_win_path 1 IoCs
Processes:
regasm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-771719357-2485960699-3367710044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.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
- Windows security bypass
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1272 -
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:4156 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2976 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
- Event Triggered Execution: Netsh Helper DLL
PID:5004
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
3Disable or Modify Tools
3Modify Registry
4Virtualization/Sandbox Evasion
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82