Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17/10/2024, 01:07
Static task
static1
Behavioral task
behavioral1
Sample
61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe
Resource
win10v2004-20241007-en
General
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Target
61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe
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Size
813KB
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MD5
08939a7fe1905c0c6e321e4e2cd90cad
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SHA1
c463953c5f52e9bc0137513d69aa9294d84bde75
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SHA256
61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c
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SHA512
4cd3877461ae15143636fff08dc3dec2587451b45dc32857a5bc0dde53068f0b76158eb0e1519f401b93bd4e1c3e6c73144c83b9d59d406d8c0f011b4211e19e
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SSDEEP
12288:+WB3yuZG8+De1kIse8LRWjrZCollIoNE8kgZu3pvK541rR:+WB3yuZGVteKRyjl6ikyCpvy41rR
Malware Config
Extracted
Protocol: ftp- Host:
ftp.aminhacorretora.com.br - Port:
21 - Username:
[email protected] - Password:
_yA=,M5*J?KH
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.aminhacorretora.com.br - Port:
21 - Username:
[email protected] - Password:
_yA=,M5*J?KH
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3272 set thread context of 4876 3272 61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe 97 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 3272 61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe 3272 61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe 3272 61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe 3272 61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe 3272 61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3272 61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe Token: SeDebugPrivilege 4876 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3272 wrote to memory of 4876 3272 61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe 97 PID 3272 wrote to memory of 4876 3272 61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe 97 PID 3272 wrote to memory of 4876 3272 61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe 97 PID 3272 wrote to memory of 4876 3272 61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe 97 PID 3272 wrote to memory of 4876 3272 61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe 97 PID 3272 wrote to memory of 4876 3272 61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe 97 PID 3272 wrote to memory of 4876 3272 61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe 97 PID 3272 wrote to memory of 4876 3272 61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe 97 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe"C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3272 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4876
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