Analysis
- max time kernel
140s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
20/09/2023, 13:33
General
- Target Grain push barges picture.exe
- Size 729KB
- Sample230920-qthc1aae79
- SHA256 0d93db96a7c71d216d6d4cb96abad741ecf89db460d2b32c82049471fa9504da
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.hsbv1.nl
-
Port
587
-
Username
-
Password
xdDPyH(8
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 11 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Grain push barges picture.exe"C:\Users\Admin\AppData\Local\Temp\Grain push barges picture.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Grain push barges picture.exe"C:\Users\Admin\AppData\Local\Temp\Grain push barges picture.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Grain push barges picture.exe.log
memory/1040-10-0x0000000006FD0000-0x0000000006FD8000-memory.dmp
memory/1040-2-0x0000000005F10000-0x00000000064B4000-memory.dmp
memory/1040-3-0x0000000005960000-0x00000000059F2000-memory.dmp
memory/1040-4-0x0000000005B10000-0x0000000005B20000-memory.dmp
memory/1040-5-0x0000000005940000-0x000000000594A000-memory.dmp
memory/1040-6-0x0000000005BC0000-0x0000000005C5C000-memory.dmp
memory/1040-7-0x0000000006D20000-0x0000000006D32000-memory.dmp
memory/1040-8-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/1040-1-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/1040-9-0x0000000005B10000-0x0000000005B20000-memory.dmp
memory/1040-17-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/1040-12-0x00000000072D0000-0x000000000734C000-memory.dmp
memory/1040-11-0x0000000006FE0000-0x0000000006FEC000-memory.dmp
memory/1040-0-0x0000000000E80000-0x0000000000F3C000-memory.dmp
memory/3320-16-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/3320-13-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3320-18-0x0000000005300000-0x0000000005366000-memory.dmp
memory/3320-19-0x0000000006980000-0x00000000069D0000-memory.dmp
memory/3320-20-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/3320-21-0x0000000005150000-0x0000000005160000-memory.dmp