Analysis
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max time kernel
97s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-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
Protocol: smtp- Host:
mail.lacore.ee - Port:
587 - Username:
[email protected] - Password:
MBla354X
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 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1628-136-0x0000000000400000-0x000000000044C000-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-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO_NX-L1-15-00001.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO_NX-L1-15-00001.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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 3196 set thread context of 1628 3196 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
PO_NX-L1-15-00001.exePO_NX-L1-15-00001.exepid process 3196 PO_NX-L1-15-00001.exe 3196 PO_NX-L1-15-00001.exe 3196 PO_NX-L1-15-00001.exe 3196 PO_NX-L1-15-00001.exe 3196 PO_NX-L1-15-00001.exe 3196 PO_NX-L1-15-00001.exe 3196 PO_NX-L1-15-00001.exe 1628 PO_NX-L1-15-00001.exe 1628 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 3196 PO_NX-L1-15-00001.exe Token: SeDebugPrivilege 1628 PO_NX-L1-15-00001.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
PO_NX-L1-15-00001.exedescription pid process target process PID 3196 wrote to memory of 1456 3196 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 3196 wrote to memory of 1456 3196 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 3196 wrote to memory of 1456 3196 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 3196 wrote to memory of 2004 3196 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 3196 wrote to memory of 2004 3196 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 3196 wrote to memory of 2004 3196 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 3196 wrote to memory of 1628 3196 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 3196 wrote to memory of 1628 3196 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 3196 wrote to memory of 1628 3196 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 3196 wrote to memory of 1628 3196 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 3196 wrote to memory of 1628 3196 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 3196 wrote to memory of 1628 3196 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 3196 wrote to memory of 1628 3196 PO_NX-L1-15-00001.exe PO_NX-L1-15-00001.exe PID 3196 wrote to memory of 1628 3196 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-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\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:3196 -
C:\Users\Admin\AppData\Local\Temp\PO_NX-L1-15-00001.exe"{path}"2⤵PID:1456
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C:\Users\Admin\AppData\Local\Temp\PO_NX-L1-15-00001.exe"{path}"2⤵PID:2004
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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:1628
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
611B
MD5e09032fb626c6c1d10e2ab27b0278463
SHA1a26ea328ef81ab53a9883f7b9c7d3998883eaf47
SHA2561b834fc0faded24ae9665629c739742a2614784d62f96f9f982a6c678e916147
SHA5122c341b371103d67fb0bd1e49a4a07b3037e3a304b914446c103de43f87370d584e666f0b93e2c28c776188e975cd95855bb3a1bc4ddbcac89acd62ec46cb5e35