Analysis
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max time kernel
238s -
max time network
286s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
27-09-2021 18:32
General
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Target
SHIPPING DOCUMENTS_PDF.exe
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Size
850KB
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MD5
ff8964351ff2ef7ae003d14cd494efb3
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SHA1
cff664fffb5c470d4d2ff5dbbdc198276cc77634
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SHA256
95e22edcb0a13b44fe04a41017a585c67faf91b47177887b40b1b6190599b4ae
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SHA512
2455338bd54e74bdcbcd781158f3888988a77040cf768e4295e25c56800411a76fda65fbf074d8d2edba4cea3e80b9942dee54e9634b98e9d13dad8d26287226
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.it-tel.eu - Port:
587 - Username:
[email protected] - Password:
OZuw)N$0
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
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Looks for VirtualBox Guest Additions in registry 2 TTPs
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Drops file in Drivers directory 1 IoCs
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Looks for VMWare Tools registry key 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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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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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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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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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
Processes
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C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS_PDF.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS_PDF.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS_PDF.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS_PDF.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS_PDF.exe"2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
8KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
416KB
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Filesize
28KB
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Filesize
4KB
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Filesize
240KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
240KB
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Filesize
240KB
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