Analysis
- max time kernel
81s - max time network
145s - platform
windows10_x64 - resource
win10v200722 - submitted
18/08/2020, 12:11
General
- Target RFQ- Msasa installation Urgent.exe
- Size 772KB
- Sample200818-je9878s2ds
- SHA256 58df4d2cea8c94b519a4ef3b44a26236a318202a7f651fc8bf2fb65cf75942e8
Score
10/10
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
smtp.desmaindian.com
-
Port
587
-
Username
-
Password
!hTnTvF5
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 5 IoCs
- UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops startup file 1 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
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ- Msasa installation Urgent.exe"C:\Users\Admin\AppData\Local\Temp\RFQ- Msasa installation Urgent.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵
- Drops startup file
-
-
C:\Users\Admin\AppData\Local\Temp\RFQ- Msasa installation Urgent.exe"C:\Users\Admin\AppData\Local\Temp\RFQ- Msasa installation Urgent.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/700-1-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/700-3-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/700-4-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/700-5-0x00000000021D0000-0x000000000221C000-memory.dmp
memory/700-6-0x00000000006D2000-0x00000000006D3000-memory.dmp