Analysis
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max time kernel
127s -
max time network
124s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
19-10-2021 01:59
Static task
static1
Behavioral task
behavioral1
Sample
DOCUMENT.BAT.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
DOCUMENT.BAT.exe
Resource
win10-en-20211014
General
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Target
DOCUMENT.BAT.exe
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Size
491KB
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MD5
509657bf2cda328547347fb08192a545
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SHA1
dda0893857e46e43a869a2a0c0171d83da2c6fc5
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SHA256
fec4bd7fec11af96dc833563d61a8424e0e4bb0b332b5b423a871583c0fd44ca
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SHA512
29b9cc7df360740a51b560fe5a4b87f829ed706c7cdab4a508513d29c8b0c3318e1fcbe3dc2c3bd2d844570ccca14b7306f8e741e6468590630e74ab3f4d4eac
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.mudanzasdistintas.com.ar - Port:
587 - Username:
[email protected] - Password:
icui4cu2@@
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/1832-124-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/1832-125-0x0000000000436DCE-mapping.dmp family_agenttesla -
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:
DOCUMENT.BAT.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DOCUMENT.BAT.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DOCUMENT.BAT.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DOCUMENT.BAT.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
DOCUMENT.BAT.exedescription pid process target process PID 2632 set thread context of 1832 2632 DOCUMENT.BAT.exe DOCUMENT.BAT.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
DOCUMENT.BAT.exepid process 1832 DOCUMENT.BAT.exe 1832 DOCUMENT.BAT.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
DOCUMENT.BAT.exedescription pid process Token: SeDebugPrivilege 1832 DOCUMENT.BAT.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
DOCUMENT.BAT.exedescription pid process target process PID 2632 wrote to memory of 1832 2632 DOCUMENT.BAT.exe DOCUMENT.BAT.exe PID 2632 wrote to memory of 1832 2632 DOCUMENT.BAT.exe DOCUMENT.BAT.exe PID 2632 wrote to memory of 1832 2632 DOCUMENT.BAT.exe DOCUMENT.BAT.exe PID 2632 wrote to memory of 1832 2632 DOCUMENT.BAT.exe DOCUMENT.BAT.exe PID 2632 wrote to memory of 1832 2632 DOCUMENT.BAT.exe DOCUMENT.BAT.exe PID 2632 wrote to memory of 1832 2632 DOCUMENT.BAT.exe DOCUMENT.BAT.exe PID 2632 wrote to memory of 1832 2632 DOCUMENT.BAT.exe DOCUMENT.BAT.exe PID 2632 wrote to memory of 1832 2632 DOCUMENT.BAT.exe DOCUMENT.BAT.exe -
outlook_office_path 1 IoCs
Processes:
DOCUMENT.BAT.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DOCUMENT.BAT.exe -
outlook_win_path 1 IoCs
Processes:
DOCUMENT.BAT.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DOCUMENT.BAT.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DOCUMENT.BAT.exe"C:\Users\Admin\AppData\Local\Temp\DOCUMENT.BAT.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2632 -
C:\Users\Admin\AppData\Local\Temp\DOCUMENT.BAT.exe"C:\Users\Admin\AppData\Local\Temp\DOCUMENT.BAT.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1832