Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
27-03-2024 02:44
General
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Target
INVOICE_FEB-888201-2024..exe
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Size
705KB
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MD5
f82eef7cd2d0ec1cd2f0553388d9366a
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SHA1
afd08cfd931b0fb2a1746f6c676d21f108ca8d56
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SHA256
895665fab2e077f4ac46cc0e9ebbf5e84da4a851c163320734cfd39f3916bba0
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SHA512
5b41a5f69da5be06d7e6c59f5755f546b5bc8368bd3f04be9ef8aaab019325122d854d36c8aeed88b242a5751e51b3703e12a9ec495adc06b1ada8f3f73a3ad9
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SSDEEP
12288:oMoK1a5W4ZXyPftg8bVEM6weJENAbJs8W4DOWKmaliyWIDDKsx7wDusXU4O8S5:HkXyNtbreJ7JhtDOWZaEy3KawDusE8Q
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.ipr-co.org - Port:
587 - Username:
[email protected] - Password:
IPRco@100102@ - 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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Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
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Detects executables packed with SmartAssembly 1 IoCs
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Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
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Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
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Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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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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Suspicious use of SetThreadContext 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\INVOICE_FEB-888201-2024..exe"C:\Users\Admin\AppData\Local\Temp\INVOICE_FEB-888201-2024..exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\INVOICE_FEB-888201-2024..exe"C:\Users\Admin\AppData\Local\Temp\INVOICE_FEB-888201-2024..exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2032-0-0x0000000000BC0000-0x0000000000C76000-memory.dmpFilesize
728KB
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memory/2032-1-0x0000000074800000-0x0000000074EEE000-memory.dmpFilesize
6.9MB
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memory/2032-2-0x00000000048B0000-0x00000000048F0000-memory.dmpFilesize
256KB
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memory/2032-3-0x0000000000490000-0x00000000004A2000-memory.dmpFilesize
72KB
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memory/2032-4-0x00000000004B0000-0x00000000004BC000-memory.dmpFilesize
48KB
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memory/2032-5-0x00000000053F0000-0x0000000005472000-memory.dmpFilesize
520KB
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memory/2032-19-0x0000000074800000-0x0000000074EEE000-memory.dmpFilesize
6.9MB
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memory/2908-10-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2908-8-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2908-11-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2908-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/2908-14-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2908-16-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2908-6-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2908-18-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2908-20-0x0000000074800000-0x0000000074EEE000-memory.dmpFilesize
6.9MB
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memory/2908-21-0x0000000074800000-0x0000000074EEE000-memory.dmpFilesize
6.9MB
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memory/2908-22-0x0000000004900000-0x0000000004940000-memory.dmpFilesize
256KB