Analysis
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max time kernel
139s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
03-10-2023 06:11
Static task
static1
Behavioral task
behavioral1
Sample
AEAT - Aviso de Notificación (2).exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
AEAT - Aviso de Notificación (2).exe
Resource
win10v2004-20230915-en
General
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Target
AEAT - Aviso de Notificación (2).exe
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Size
548KB
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MD5
7bbadb55076fd343bed53fb839524c92
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SHA1
4bb956cda4ca089cbfdc80f913fb7a2cc5bcc45d
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SHA256
74c687d2cbb8e93481530eba3ec627b5d9902901797e67fce58a949b8b50491c
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SHA512
d806d10c1df5e988d2a832bee1dc8a2cc22fb196e0abf471e2ceac8ca6dbe797e5b9e197867bcf579a47ed0fbdc6e8781e7bb0250ca1710ffbb95e3c8e1d4130
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SSDEEP
12288:EneUsNumB0lMBIlD1WtyDROlTJNR0trAeuq28cZs9I11vg/5:sjyOD1Wt2ON5KLcZsyYh
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.setimetrasa.com - Port:
587 - Username:
[email protected] - Password:
Seti2020 - 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/4472-13-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
AEAT - Aviso de Notificación (2).exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\International\Geo\Nation AEAT - Aviso de Notificación (2).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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
AEAT - Aviso de Notificación (2).exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AEAT - Aviso de Notificación (2).exe Key opened \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AEAT - Aviso de Notificación (2).exe Key opened \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AEAT - Aviso de Notificación (2).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 67 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
AEAT - Aviso de Notificación (2).exedescription pid process target process PID 3524 set thread context of 4472 3524 AEAT - Aviso de Notificación (2).exe AEAT - Aviso de Notificación (2).exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
AEAT - Aviso de Notificación (2).exepowershell.exepid process 4472 AEAT - Aviso de Notificación (2).exe 3080 powershell.exe 4472 AEAT - Aviso de Notificación (2).exe 3080 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
AEAT - Aviso de Notificación (2).exepowershell.exedescription pid process Token: SeDebugPrivilege 4472 AEAT - Aviso de Notificación (2).exe Token: SeDebugPrivilege 3080 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
AEAT - Aviso de Notificación (2).exedescription pid process target process PID 3524 wrote to memory of 3080 3524 AEAT - Aviso de Notificación (2).exe powershell.exe PID 3524 wrote to memory of 3080 3524 AEAT - Aviso de Notificación (2).exe powershell.exe PID 3524 wrote to memory of 3080 3524 AEAT - Aviso de Notificación (2).exe powershell.exe PID 3524 wrote to memory of 4472 3524 AEAT - Aviso de Notificación (2).exe AEAT - Aviso de Notificación (2).exe PID 3524 wrote to memory of 4472 3524 AEAT - Aviso de Notificación (2).exe AEAT - Aviso de Notificación (2).exe PID 3524 wrote to memory of 4472 3524 AEAT - Aviso de Notificación (2).exe AEAT - Aviso de Notificación (2).exe PID 3524 wrote to memory of 4472 3524 AEAT - Aviso de Notificación (2).exe AEAT - Aviso de Notificación (2).exe PID 3524 wrote to memory of 4472 3524 AEAT - Aviso de Notificación (2).exe AEAT - Aviso de Notificación (2).exe PID 3524 wrote to memory of 4472 3524 AEAT - Aviso de Notificación (2).exe AEAT - Aviso de Notificación (2).exe PID 3524 wrote to memory of 4472 3524 AEAT - Aviso de Notificación (2).exe AEAT - Aviso de Notificación (2).exe PID 3524 wrote to memory of 4472 3524 AEAT - Aviso de Notificación (2).exe AEAT - Aviso de Notificación (2).exe -
outlook_office_path 1 IoCs
Processes:
AEAT - Aviso de Notificación (2).exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AEAT - Aviso de Notificación (2).exe -
outlook_win_path 1 IoCs
Processes:
AEAT - Aviso de Notificación (2).exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AEAT - Aviso de Notificación (2).exe
Processes
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C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación (2).exe"C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación (2).exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3524 -
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\AEAT - Aviso de Notificación (2).exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3080 -
C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación (2).exe"C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación (2).exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4472
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82