Analysis
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max time kernel
127s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 11:47
General
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Target
RFQ-Fn909-20.DOCUment-NEW.hd.exe
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Size
484KB
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MD5
73ff45d78f333069ea5f34576fc02cc6
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SHA1
98900cadce7cffed7de5185efd95601036ea826d
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SHA256
9813475302a899ec9e920af208ba4373f752dc63c8577f0696092aadbc51fd59
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SHA512
294c4683ffa437ba873ce51e17ce5a9aa113c1a40f4bfde9b0014de66aa63b9237238a8c9c46e6ef497fbd362fd2af25b25010adb1ac0fc6945c10a13d6a72d2
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
mobile.mailer@yandex.com - Password:
qwerty123@
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
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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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 13 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQ-Fn909-20.DOCUment-NEW.hd.exe"C:\Users\Admin\AppData\Local\Temp\RFQ-Fn909-20.DOCUment-NEW.hd.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\scXuQvjz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp33DD.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\RFQ-Fn909-20.DOCUment-NEW.hd.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp33DD.tmpFilesize
1KB
MD5d300f4296f75cf09538d86928b3dc641
SHA1ed26ae1a7b134b2b24dea7e60e85f0efd6c4aa9b
SHA2565eb62295875cae2326ae4c330ef7b402d94b3eb241b84dbad61f34b36d0c5002
SHA512786e1d655edbea501d191c61eec3bbdac6ee4ec84b074fe3d49c8be79af386352a11dbb11f6658c5e918d2b9049bcdb9aa32b0f06ec43ef8124158a5a4cec6b0
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memory/1100-56-0x0000000000000000-mapping.dmp
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memory/1208-61-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1208-58-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1208-59-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1208-62-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1208-63-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1208-64-0x0000000000446DBE-mapping.dmp
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memory/1208-66-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1208-68-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1208-70-0x0000000074DF0000-0x000000007539B000-memory.dmpFilesize
5.7MB
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memory/1724-55-0x0000000074E60000-0x000000007540B000-memory.dmpFilesize
5.7MB
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memory/1724-54-0x00000000769D1000-0x00000000769D3000-memory.dmpFilesize
8KB