Analysis
- max time kernel
143s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20230831-en - resource tags
- submitted
08/09/2023, 10:43
General
- Target a5bb69e8eb8f39ddf00bdfe2034d4bfcb7f17fe8de32c374c7183a22b38bf23f.exe
- Size 238KB
- Sample230908-mr8wdsaf8z
- SHA256 a5bb69e8eb8f39ddf00bdfe2034d4bfcb7f17fe8de32c374c7183a22b38bf23f
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.sirisexpress.com
-
Port
587
-
Username
-
Password
SirisEmails@123
-
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 behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a5bb69e8eb8f39ddf00bdfe2034d4bfcb7f17fe8de32c374c7183a22b38bf23f.exe"C:\Users\Admin\AppData\Local\Temp\a5bb69e8eb8f39ddf00bdfe2034d4bfcb7f17fe8de32c374c7183a22b38bf23f.exe"1⤵
- 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
memory/548-0-0x0000000000680000-0x00000000006C2000-memory.dmp
memory/548-1-0x0000000074840000-0x0000000074FF0000-memory.dmp
memory/548-2-0x00000000057B0000-0x0000000005D54000-memory.dmp
memory/548-3-0x00000000051A0000-0x00000000051B0000-memory.dmp
memory/548-4-0x0000000005270000-0x00000000052D6000-memory.dmp
memory/548-5-0x0000000006750000-0x00000000067A0000-memory.dmp
memory/548-6-0x0000000006840000-0x00000000068D2000-memory.dmp
memory/548-7-0x00000000067D0000-0x00000000067DA000-memory.dmp
memory/548-8-0x0000000074840000-0x0000000074FF0000-memory.dmp
memory/548-9-0x00000000051A0000-0x00000000051B0000-memory.dmp