Analysis
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max time kernel
143s -
max time network
148s -
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 13:24
Static task
static1
Behavioral task
behavioral1
Sample
AEAT - Aviso de Notificación.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
AEAT - Aviso de Notificación.exe
Resource
win10v2004-20230915-en
General
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Target
AEAT - Aviso de Notificación.exe
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Size
547KB
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MD5
93cc7d700829839e827d5d9cc15c7c3c
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SHA1
60dfe1c37fb20f6f186570a754584b3085b94886
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SHA256
648c7e00e9f31a9e897405f0116680c8a170645178b88a6fa97db93a6ea84f14
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SHA512
752cd42b4e96192cf75b06e398c384132ba221520da4dddb56dff19dcbd46d76732e883b452185c85dfc61bb0242beaef8ba9bd47cced78fa94b22876ac11cc3
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SSDEEP
12288:PpmNumB0appp23UdL1xUpTpQEBR73JcGS2FfzDcHI4UXYk4Vl+fVQJKp:xty3D2kp1S/QilDl4/k2ktYi
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 2 IoCs
Processes:
resource yara_rule behavioral2/memory/1160-13-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral2/memory/1160-59-0x0000000004CC0000-0x0000000004CD0000-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.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Control Panel\International\Geo\Nation AEAT - Aviso de Notificación.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.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AEAT - Aviso de Notificación.exe Key opened \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AEAT - Aviso de Notificación.exe Key opened \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AEAT - Aviso de Notificación.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 60 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
AEAT - Aviso de Notificación.exedescription pid process target process PID 1104 set thread context of 1160 1104 AEAT - Aviso de Notificación.exe AEAT - Aviso de Notificación.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.exepowershell.exepid process 1160 AEAT - Aviso de Notificación.exe 3612 powershell.exe 3612 powershell.exe 1160 AEAT - Aviso de Notificación.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
AEAT - Aviso de Notificación.exepowershell.exedescription pid process Token: SeDebugPrivilege 1160 AEAT - Aviso de Notificación.exe Token: SeDebugPrivilege 3612 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
AEAT - Aviso de Notificación.exedescription pid process target process PID 1104 wrote to memory of 3612 1104 AEAT - Aviso de Notificación.exe powershell.exe PID 1104 wrote to memory of 3612 1104 AEAT - Aviso de Notificación.exe powershell.exe PID 1104 wrote to memory of 3612 1104 AEAT - Aviso de Notificación.exe powershell.exe PID 1104 wrote to memory of 1160 1104 AEAT - Aviso de Notificación.exe AEAT - Aviso de Notificación.exe PID 1104 wrote to memory of 1160 1104 AEAT - Aviso de Notificación.exe AEAT - Aviso de Notificación.exe PID 1104 wrote to memory of 1160 1104 AEAT - Aviso de Notificación.exe AEAT - Aviso de Notificación.exe PID 1104 wrote to memory of 1160 1104 AEAT - Aviso de Notificación.exe AEAT - Aviso de Notificación.exe PID 1104 wrote to memory of 1160 1104 AEAT - Aviso de Notificación.exe AEAT - Aviso de Notificación.exe PID 1104 wrote to memory of 1160 1104 AEAT - Aviso de Notificación.exe AEAT - Aviso de Notificación.exe PID 1104 wrote to memory of 1160 1104 AEAT - Aviso de Notificación.exe AEAT - Aviso de Notificación.exe PID 1104 wrote to memory of 1160 1104 AEAT - Aviso de Notificación.exe AEAT - Aviso de Notificación.exe -
outlook_office_path 1 IoCs
Processes:
AEAT - Aviso de Notificación.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AEAT - Aviso de Notificación.exe -
outlook_win_path 1 IoCs
Processes:
AEAT - Aviso de Notificación.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AEAT - Aviso de Notificación.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación.exe"C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1104 -
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.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3612 -
C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación.exe"C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1160
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82