Analysis
- max time kernel
58s - max time network
107s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:31
General
- Target QUOTATION ORDER________________.exe
- Size 565KB
- Sample201109-321zcclqqe
- SHA256 c2df19f344fb1d82a9bb0a0433865874edbd8ca203e843cb6452768d2aa66240
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
Ijeomam288
Extracted
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agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
Ijeomam288
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- rezer0 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\QUOTATION ORDER________________.exe"C:\Users\Admin\AppData\Local\Temp\QUOTATION ORDER________________.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dFQUkReUQF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6670.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\QUOTATION ORDER________________.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1100-5-0x0000000007280000-0x0000000007281000-memory.dmp
memory/1100-3-0x0000000007700000-0x0000000007701000-memory.dmp
memory/1100-0-0x0000000073A70000-0x000000007415E000-memory.dmp
memory/1100-6-0x0000000009550000-0x0000000009552000-memory.dmp
memory/1100-7-0x000000000AE50000-0x000000000AEA2000-memory.dmp
memory/1100-8-0x000000000AF50000-0x000000000AF51000-memory.dmp
memory/1100-1-0x00000000004E0000-0x00000000004E1000-memory.dmp
memory/1100-4-0x00000000072A0000-0x00000000072A1000-memory.dmp
memory/1340-11-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1340-14-0x0000000073A70000-0x000000007415E000-memory.dmp
memory/1340-19-0x0000000004FB0000-0x0000000004FB1000-memory.dmp
memory/1340-20-0x0000000005A70000-0x0000000005A71000-memory.dmp