Analysis
- max time kernel
149s - max time network
152s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
29/09/2021, 12:37
General
- Target REQUEST FOR QUOTATION CPH1-9001-BKG CPH1-9001-BKG(2) CPH1-9001-BKG(9) CPH1-9001-BKG(3) CPH1-9001-BKG(4).exe
- Size 1002KB
- Sample210929-pthhbsfbbk
- SHA256 45a94c022c5a3528accc736d685c467a95a9fd6aef4c26f8f52ee47f5b66cc0e
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.atlasmat.com
-
Port
587
-
Username
-
Password
9gf04d0p5KWw
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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 3 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\REQUEST FOR QUOTATION CPH1-9001-BKG CPH1-9001-BKG(2) CPH1-9001-BKG(9) CPH1-9001-BKG(3) CPH1-9001-BKG(4).exe"C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION CPH1-9001-BKG CPH1-9001-BKG(2) CPH1-9001-BKG(9) CPH1-9001-BKG(3) CPH1-9001-BKG(4).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\eILcgpTbHK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5994.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION CPH1-9001-BKG CPH1-9001-BKG(2) CPH1-9001-BKG(9) CPH1-9001-BKG(3) CPH1-9001-BKG(4).exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/968-54-0x00000000010E0000-0x00000000010E1000-memory.dmp
memory/968-56-0x0000000004F10000-0x0000000004F11000-memory.dmp
memory/968-57-0x00000000003B0000-0x00000000003BE000-memory.dmp
memory/968-58-0x0000000004F50000-0x0000000004FCF000-memory.dmp
memory/968-59-0x0000000000650000-0x0000000000688000-memory.dmp
memory/1852-62-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1852-64-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1852-66-0x0000000000D10000-0x0000000000D11000-memory.dmp
memory/1852-67-0x0000000000D11000-0x0000000000D12000-memory.dmp