Analysis
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max time kernel
145s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
29-03-2024 18:49
Static task
static1
Behavioral task
behavioral1
Sample
gwOALTMShW0g0JN.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
gwOALTMShW0g0JN.exe
Resource
win10v2004-20231215-en
General
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Target
gwOALTMShW0g0JN.exe
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Size
713KB
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MD5
707621bacd32d4ab21b17157216d3032
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SHA1
2318a47d090ab212c924814da86488130f7d8b2c
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SHA256
29286d65248d0005ca9c13110d5563b892150291ff16086b29938050a746251f
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SHA512
5dabd58015ea9534e35a43114eb145c4b73e0c2f778ac8b5f0d150e2b58961b49f104b8cca4e07d1ad434ee7903fd987a9b80d72b6b738640629d11d19dcc5d6
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SSDEEP
12288:YFhvyUi0gu1EMwvhsyhpK8t4BU+fyuZuwkp8sL3cr13q:YLqUigEMEey604hzkp8UcrA
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.polastarline.com - Port:
587 - Username:
[email protected] - Password:
donblack12345
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2392-18-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
gwOALTMShW0g0JN.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions gwOALTMShW0g0JN.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
gwOALTMShW0g0JN.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools gwOALTMShW0g0JN.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
gwOALTMShW0g0JN.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion gwOALTMShW0g0JN.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion gwOALTMShW0g0JN.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
gwOALTMShW0g0JN.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation gwOALTMShW0g0JN.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
gwOALTMShW0g0JN.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 gwOALTMShW0g0JN.exe Key opened \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 gwOALTMShW0g0JN.exe Key opened \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 gwOALTMShW0g0JN.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
gwOALTMShW0g0JN.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum gwOALTMShW0g0JN.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 gwOALTMShW0g0JN.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
gwOALTMShW0g0JN.exedescription pid process target process PID 640 set thread context of 2392 640 gwOALTMShW0g0JN.exe gwOALTMShW0g0JN.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
gwOALTMShW0g0JN.exepowershell.exegwOALTMShW0g0JN.exepid process 640 gwOALTMShW0g0JN.exe 3300 powershell.exe 2392 gwOALTMShW0g0JN.exe 2392 gwOALTMShW0g0JN.exe 3300 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
gwOALTMShW0g0JN.exepowershell.exegwOALTMShW0g0JN.exedescription pid process Token: SeDebugPrivilege 640 gwOALTMShW0g0JN.exe Token: SeDebugPrivilege 3300 powershell.exe Token: SeDebugPrivilege 2392 gwOALTMShW0g0JN.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
gwOALTMShW0g0JN.exedescription pid process target process PID 640 wrote to memory of 3300 640 gwOALTMShW0g0JN.exe powershell.exe PID 640 wrote to memory of 3300 640 gwOALTMShW0g0JN.exe powershell.exe PID 640 wrote to memory of 3300 640 gwOALTMShW0g0JN.exe powershell.exe PID 640 wrote to memory of 2392 640 gwOALTMShW0g0JN.exe gwOALTMShW0g0JN.exe PID 640 wrote to memory of 2392 640 gwOALTMShW0g0JN.exe gwOALTMShW0g0JN.exe PID 640 wrote to memory of 2392 640 gwOALTMShW0g0JN.exe gwOALTMShW0g0JN.exe PID 640 wrote to memory of 2392 640 gwOALTMShW0g0JN.exe gwOALTMShW0g0JN.exe PID 640 wrote to memory of 2392 640 gwOALTMShW0g0JN.exe gwOALTMShW0g0JN.exe PID 640 wrote to memory of 2392 640 gwOALTMShW0g0JN.exe gwOALTMShW0g0JN.exe PID 640 wrote to memory of 2392 640 gwOALTMShW0g0JN.exe gwOALTMShW0g0JN.exe PID 640 wrote to memory of 2392 640 gwOALTMShW0g0JN.exe gwOALTMShW0g0JN.exe -
outlook_office_path 1 IoCs
Processes:
gwOALTMShW0g0JN.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 gwOALTMShW0g0JN.exe -
outlook_win_path 1 IoCs
Processes:
gwOALTMShW0g0JN.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 gwOALTMShW0g0JN.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\gwOALTMShW0g0JN.exe"C:\Users\Admin\AppData\Local\Temp\gwOALTMShW0g0JN.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:640 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\gwOALTMShW0g0JN.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3300 -
C:\Users\Admin\AppData\Local\Temp\gwOALTMShW0g0JN.exe"C:\Users\Admin\AppData\Local\Temp\gwOALTMShW0g0JN.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2392
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82