Analysis
- max time kernel
136s - max time network
149s - platform
windows10_x64 - resource
win10v20201028 - submitted
18/12/2020, 09:27
General
- Target DB_DHL_AWB_001173980920.exe
- Size 646KB
- Sample201218-wnwe6c6zfj
- SHA256 4aa31695b4fd8e841e7ddcf8b3670502d2bdf527ef79c0e2ccd1a32b4ae492fa
Malware Config
Extracted
-
agenttesla
-
http://backupc.ddns.net//inc/255259c874866e.php
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DB_DHL_AWB_001173980920.exe"C:\Users\Admin\AppData\Local\Temp\DB_DHL_AWB_001173980920.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aHiSJdylUCf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE535.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\DB_DHL_AWB_001173980920.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/744-7-0x0000000004C90000-0x0000000004C91000-memory.dmp
memory/744-5-0x0000000005170000-0x0000000005171000-memory.dmp
memory/744-2-0x0000000073A20000-0x000000007410E000-memory.dmp
memory/744-8-0x0000000004FD0000-0x0000000004FD4000-memory.dmp
memory/744-9-0x0000000007140000-0x00000000071DE000-memory.dmp
memory/744-10-0x0000000007280000-0x0000000007281000-memory.dmp
memory/744-3-0x0000000000390000-0x0000000000391000-memory.dmp
memory/744-6-0x0000000004D10000-0x0000000004D11000-memory.dmp
memory/2400-13-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2400-16-0x0000000073A20000-0x000000007410E000-memory.dmp
memory/2400-21-0x0000000004FC0000-0x0000000004FC1000-memory.dmp
memory/2400-22-0x0000000005B30000-0x0000000005B31000-memory.dmp