Analysis
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max time kernel
142s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2023 06:49
Static task
static1
Behavioral task
behavioral1
Sample
PO 3345.exe
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
PO 3345.exe
Resource
win10v2004-20231127-en
General
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Target
PO 3345.exe
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Size
663KB
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MD5
16a97a92f7072068c9345f16c1b841b3
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SHA1
42dda412b6af64273d1e55ae3008ca03fcf0072a
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SHA256
c705dadf9dc655839e0778f2b05e191f41c58d288420095131fe2153e0cd9334
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SHA512
100c7c8f3a95b21ca1f408b7a2e879ace27ace6394774ebd2c9a97c7ef47d75191ed191af083e014b264bf2da0b0c68e8448e043c920788dc234e41360ed66c4
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SSDEEP
12288:HriSAx5PWPQA4jcCxttjSUXcM+UxhCuJ8JBCu5XHxrHdm5OznueAWt6G4enCG0m:Hr7Ax5uPH4jcCzBjJJ8/n3tHdm5OznuW
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.rmmarine.com.sg - Port:
587 - Username:
[email protected] - Password:
Rmms201809 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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 3345.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 3345.exe Key opened \REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 3345.exe Key opened \REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 3345.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO 3345.exedescription pid process target process PID 4112 set thread context of 1884 4112 PO 3345.exe PO 3345.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
PO 3345.exepid process 1884 PO 3345.exe 1884 PO 3345.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
PO 3345.exedescription pid process Token: SeDebugPrivilege 1884 PO 3345.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
PO 3345.exedescription pid process target process PID 4112 wrote to memory of 1884 4112 PO 3345.exe PO 3345.exe PID 4112 wrote to memory of 1884 4112 PO 3345.exe PO 3345.exe PID 4112 wrote to memory of 1884 4112 PO 3345.exe PO 3345.exe PID 4112 wrote to memory of 1884 4112 PO 3345.exe PO 3345.exe PID 4112 wrote to memory of 1884 4112 PO 3345.exe PO 3345.exe PID 4112 wrote to memory of 1884 4112 PO 3345.exe PO 3345.exe PID 4112 wrote to memory of 1884 4112 PO 3345.exe PO 3345.exe PID 4112 wrote to memory of 1884 4112 PO 3345.exe PO 3345.exe -
outlook_office_path 1 IoCs
Processes:
PO 3345.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 3345.exe -
outlook_win_path 1 IoCs
Processes:
PO 3345.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 3345.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO 3345.exe"C:\Users\Admin\AppData\Local\Temp\PO 3345.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4112 -
C:\Users\Admin\AppData\Local\Temp\PO 3345.exe"C:\Users\Admin\AppData\Local\Temp\PO 3345.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1884
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3