Analysis
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max time kernel
119s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25-09-2024 13:39
Static task
static1
Behavioral task
behavioral1
Sample
vvndewpluori91026.exe
Resource
win7-20240903-en
General
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Target
vvndewpluori91026.exe
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Size
653KB
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MD5
432644163e0aaa8a0269179e0e036eae
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SHA1
b504d2a91b22bb45b886c1d117dacdfa724fe262
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SHA256
f3c9e7b2e91b53c3256429497a9fb5d2cd449aca5d5a3b9fb705fe7d8c55d699
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SHA512
f076b13cf11a2af5a5d008e62286ab1def0bdbf01e5f1388341575ac78552cb8ae140ba9f73041d239a0e2aa2a36db525b681d9bf138b3a6c815c8f41941e80c
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SSDEEP
12288:HeoLvyENxun9zJ7qeNgA3KPIPryfZTHfY87PCl8YK3TkQPzLxnjwX8bQb:9dvun9zJ7VNR3KPMrGRNR1hcYI
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
aowapnzgtwgqowgt
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
aowapnzgtwgqowgt - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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.
pid Process 1988 powershell.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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation vvndewpluori91026.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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1188 set thread context of 3012 1188 vvndewpluori91026.exe 89 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vvndewpluori91026.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vvndewpluori91026.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3012 vvndewpluori91026.exe 3012 vvndewpluori91026.exe 1988 powershell.exe 1988 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3012 vvndewpluori91026.exe Token: SeDebugPrivilege 1988 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1188 wrote to memory of 1988 1188 vvndewpluori91026.exe 87 PID 1188 wrote to memory of 1988 1188 vvndewpluori91026.exe 87 PID 1188 wrote to memory of 1988 1188 vvndewpluori91026.exe 87 PID 1188 wrote to memory of 3012 1188 vvndewpluori91026.exe 89 PID 1188 wrote to memory of 3012 1188 vvndewpluori91026.exe 89 PID 1188 wrote to memory of 3012 1188 vvndewpluori91026.exe 89 PID 1188 wrote to memory of 3012 1188 vvndewpluori91026.exe 89 PID 1188 wrote to memory of 3012 1188 vvndewpluori91026.exe 89 PID 1188 wrote to memory of 3012 1188 vvndewpluori91026.exe 89 PID 1188 wrote to memory of 3012 1188 vvndewpluori91026.exe 89 PID 1188 wrote to memory of 3012 1188 vvndewpluori91026.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\vvndewpluori91026.exe"C:\Users\Admin\AppData\Local\Temp\vvndewpluori91026.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1188 -
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\vvndewpluori91026.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1988
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C:\Users\Admin\AppData\Local\Temp\vvndewpluori91026.exe"C:\Users\Admin\AppData\Local\Temp\vvndewpluori91026.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3012
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82