Analysis
- max time kernel
90s - max time network
17s - platform
windows7_x64 - resource
win7v200722 - submitted
02/09/2020, 06:21
General
- Target PROOF OF PAYMENT.exe
- Size 652KB
- Sample200902-lnapmfbexx
- SHA256 a04b2cd4d358ae69e6d5cf8a7ab1748eea0819dfc47b17ec26c7795a9058012e
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
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Host
smtp.yandex.ru
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Port
587
-
Username
-
Password
kateojo11
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe"C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.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\KAVfCiWGf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6039.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1480-0-0x0000000073990000-0x000000007407E000-memory.dmp
memory/1480-1-0x0000000000110000-0x0000000000111000-memory.dmp
memory/1480-3-0x0000000000330000-0x0000000000333000-memory.dmp
memory/1480-4-0x00000000050B0000-0x0000000005136000-memory.dmp
memory/1480-5-0x00000000051C0000-0x0000000005248000-memory.dmp
memory/1560-8-0x0000000000400000-0x0000000000466000-memory.dmp
memory/1560-10-0x0000000000400000-0x0000000000466000-memory.dmp
memory/1560-11-0x0000000000400000-0x0000000000466000-memory.dmp
memory/1560-12-0x0000000073990000-0x000000007407E000-memory.dmp