Analysis
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max time kernel
125s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 00:13
Static task
static1
Behavioral task
behavioral1
Sample
PO_NX-L1-15-00001.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
PO_NX-L1-15-00001.exe
Resource
win10v2004-20220414-en
General
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Target
PO_NX-L1-15-00001.exe
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Size
601KB
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MD5
dca1db416954bda2897bea5d0535f231
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SHA1
a22b0c6d447687aa7651df0517149754cc373483
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SHA256
8de5b231add82c95e720fb340206a50034e9ac1de1108977389538f37a5be45b
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SHA512
333907a24af7465825a2caf91c011bc541ae16aea116dfd391ced9351469dad2fa2d2c82b920fd646aa65a9b245fd11b48305e07a2c719a8478994557e109386
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.lacore.ee - Port:
587 - Username:
[email protected] - Password:
MBla354X
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/856-61-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/856-62-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/856-63-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/856-64-0x000000000044733E-mapping.dmp family_agenttesla behavioral1/memory/856-66-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/856-68-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
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 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:
PO_NX-L1-15-00001.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO_NX-L1-15-00001.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO_NX-L1-15-00001.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO_NX-L1-15-00001.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO_NX-L1-15-00001.exedescription pid process target process PID 1960 set thread context of 856 1960 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
PO_NX-L1-15-00001.exePO_NX-L1-15-00001.exepid process 1960 PO_NX-L1-15-00001.exe 1960 PO_NX-L1-15-00001.exe 1960 PO_NX-L1-15-00001.exe 1960 PO_NX-L1-15-00001.exe 856 PO_NX-L1-15-00001.exe 856 PO_NX-L1-15-00001.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
PO_NX-L1-15-00001.exePO_NX-L1-15-00001.exedescription pid process Token: SeDebugPrivilege 1960 PO_NX-L1-15-00001.exe Token: SeDebugPrivilege 856 PO_NX-L1-15-00001.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
PO_NX-L1-15-00001.exedescription pid process target process PID 1960 wrote to memory of 1072 1960 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 1960 wrote to memory of 1072 1960 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 1960 wrote to memory of 1072 1960 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 1960 wrote to memory of 1072 1960 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 1960 wrote to memory of 1364 1960 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 1960 wrote to memory of 1364 1960 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 1960 wrote to memory of 1364 1960 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 1960 wrote to memory of 1364 1960 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 1960 wrote to memory of 856 1960 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 1960 wrote to memory of 856 1960 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 1960 wrote to memory of 856 1960 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 1960 wrote to memory of 856 1960 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 1960 wrote to memory of 856 1960 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 1960 wrote to memory of 856 1960 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 1960 wrote to memory of 856 1960 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 1960 wrote to memory of 856 1960 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 1960 wrote to memory of 856 1960 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe -
outlook_office_path 1 IoCs
Processes:
PO_NX-L1-15-00001.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO_NX-L1-15-00001.exe -
outlook_win_path 1 IoCs
Processes:
PO_NX-L1-15-00001.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO_NX-L1-15-00001.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO_NX-L1-15-00001.exe"C:\Users\Admin\AppData\Local\Temp\PO_NX-L1-15-00001.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Users\Admin\AppData\Local\Temp\PO_NX-L1-15-00001.exe"{path}"2⤵PID:1072
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C:\Users\Admin\AppData\Local\Temp\PO_NX-L1-15-00001.exe"{path}"2⤵PID:1364
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C:\Users\Admin\AppData\Local\Temp\PO_NX-L1-15-00001.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:856