Analysis
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max time kernel
142s -
max time network
150s -
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 09:21
Static task
static1
Behavioral task
behavioral1
Sample
Scan_20231201_085902_pdf .exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
Scan_20231201_085902_pdf .exe
Resource
win10v2004-20231127-en
General
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Target
Scan_20231201_085902_pdf .exe
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Size
280KB
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MD5
9e60f887ca21af01d0c370a94d4e73d3
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SHA1
fadc53d73ba72988eeec272d0076ad6dcdd0c680
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SHA256
dbb832a8e39eadb4dff92c86785f16fc52682f8acfe0a831a4ce8b6a958e93ea
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SHA512
9be22718a4810b4e5a8b01f098b241a84824ac5cb31bf28558e581e788759cad94ff20289acf60b84ee49fa0c8b5afcf4559795e1e84cb19c38b2a60d12b3612
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SSDEEP
3072:oQ53wnXOm8tSA4M/msYWkVHF6++4mNMa9W6dfukJL4G5e911rIV3tQZ+vXoxltnV:oQ53COs5W3cG5eRUVRvyepzo
Malware Config
Extracted
Protocol: smtp- Host:
mailbuilderbuilder.com - Port:
587 - Username:
[email protected] - Password:
Alluminio.1
Extracted
agenttesla
Protocol: smtp- Host:
mailbuilderbuilder.com - Port:
587 - Username:
[email protected] - Password:
Alluminio.1 - 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 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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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 46 api.ipify.org 45 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Scan_20231201_085902_pdf .exedescription pid process target process PID 4204 set thread context of 4132 4204 Scan_20231201_085902_pdf .exe Scan_20231201_085902_pdf .exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Scan_20231201_085902_pdf .exepid process 4132 Scan_20231201_085902_pdf .exe 4132 Scan_20231201_085902_pdf .exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Scan_20231201_085902_pdf .exeScan_20231201_085902_pdf .exedescription pid process Token: SeDebugPrivilege 4204 Scan_20231201_085902_pdf .exe Token: SeDebugPrivilege 4132 Scan_20231201_085902_pdf .exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Scan_20231201_085902_pdf .exedescription pid process target process PID 4204 wrote to memory of 4132 4204 Scan_20231201_085902_pdf .exe Scan_20231201_085902_pdf .exe PID 4204 wrote to memory of 4132 4204 Scan_20231201_085902_pdf .exe Scan_20231201_085902_pdf .exe PID 4204 wrote to memory of 4132 4204 Scan_20231201_085902_pdf .exe Scan_20231201_085902_pdf .exe PID 4204 wrote to memory of 4132 4204 Scan_20231201_085902_pdf .exe Scan_20231201_085902_pdf .exe PID 4204 wrote to memory of 4132 4204 Scan_20231201_085902_pdf .exe Scan_20231201_085902_pdf .exe PID 4204 wrote to memory of 4132 4204 Scan_20231201_085902_pdf .exe Scan_20231201_085902_pdf .exe PID 4204 wrote to memory of 4132 4204 Scan_20231201_085902_pdf .exe Scan_20231201_085902_pdf .exe PID 4204 wrote to memory of 4132 4204 Scan_20231201_085902_pdf .exe Scan_20231201_085902_pdf .exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe"C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4204 -
C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe"C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4132
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5c3941d9fa38f1717d5cecd7a2ca71667
SHA133b5362675383b58b4166ed9f9a61e5aa6768d2e
SHA256f1ed6ff1cd3df219061e32df1c75d6f48de6484cf50e5ea7d86cd8bcfcb93256
SHA51298f103ef97d32bf8c0566a6f6da5cf8d58d18f698c1b3e5bd0be0ea8462f5fe54c2e5e6b5188f2b7d8f70082ffd6745b1f7f6cab95af474e2b7eaed50a9d9c45