Analysis
- max time kernel
85s - max time network
145s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:39
General
- Target New-Order Inquiry.exe
- Size 402KB
- Sample201109-lk5ppftg2j
- SHA256 88ec084c0f53adb87c7b5fb01c8e5756ebfd3c98526d16e45d5d1b989263e29c
Malware Config
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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\New-Order Inquiry.exe"C:\Users\Admin\AppData\Local\Temp\New-Order Inquiry.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BqoZHSiPZRr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3752.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\New-Order Inquiry.exe"C:\Users\Admin\AppData\Local\Temp\New-Order Inquiry.exe"2⤵
- Adds Run key to start application
- 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/188-23-0x00000000068B0000-0x00000000068B1000-memory.dmp
memory/188-22-0x0000000006200000-0x0000000006205000-memory.dmp
memory/188-21-0x0000000005D40000-0x0000000005D41000-memory.dmp
memory/188-20-0x00000000051E0000-0x00000000051E1000-memory.dmp
memory/188-14-0x00000000733D0000-0x0000000073ABE000-memory.dmp
memory/188-11-0x0000000000400000-0x000000000044E000-memory.dmp
memory/3160-5-0x0000000004E80000-0x0000000004E81000-memory.dmp
memory/3160-8-0x00000000072C0000-0x000000000730F000-memory.dmp
memory/3160-7-0x0000000007350000-0x0000000007351000-memory.dmp
memory/3160-6-0x0000000005B90000-0x0000000005B93000-memory.dmp
memory/3160-0-0x00000000733D0000-0x0000000073ABE000-memory.dmp
memory/3160-4-0x0000000004EE0000-0x0000000004EE1000-memory.dmp
memory/3160-3-0x0000000005300000-0x0000000005301000-memory.dmp
memory/3160-1-0x00000000005E0000-0x00000000005E1000-memory.dmp