Analysis
- max time kernel
74s - max time network
130s - platform
windows7_x64 - resource
win7-20230621-en - resource tags
- submitted
21/06/2023, 20:05
General
- Target z35eUc5cxSgaxTtt4b.exe
- Size 626KB
- Sample230621-yttp2abc28
- SHA256 7c2796ad29fcba2cb666107bdbe39facabb2c91f91e20f1df38ac21e616d9e33
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5959120168:AAEJJx7b1NDipbiwdnDoLHi_9tID-YESUcc/
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 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\z35eUc5cxSgaxTtt4b.exe"C:\Users\Admin\AppData\Local\Temp\z35eUc5cxSgaxTtt4b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\z35eUc5cxSgaxTtt4b.exe"C:\Users\Admin\AppData\Local\Temp\z35eUc5cxSgaxTtt4b.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\z35eUc5cxSgaxTtt4b.exe"C:\Users\Admin\AppData\Local\Temp\z35eUc5cxSgaxTtt4b.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
CabD4D.tmp
memory/1280-54-0x0000000000980000-0x0000000000A22000-memory.dmp
memory/1280-55-0x0000000004FC0000-0x0000000005000000-memory.dmp
memory/1280-56-0x0000000000410000-0x0000000000420000-memory.dmp
memory/1280-57-0x0000000004FC0000-0x0000000005000000-memory.dmp
memory/1280-58-0x00000000005D0000-0x00000000005DC000-memory.dmp
memory/1280-59-0x0000000004780000-0x00000000047EA000-memory.dmp
memory/1280-60-0x0000000000950000-0x0000000000982000-memory.dmp
memory/1488-62-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1488-63-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1488-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1488-64-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1488-66-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1488-68-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1488-70-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1488-71-0x0000000000830000-0x0000000000870000-memory.dmp
memory/1488-61-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1488-88-0x0000000000830000-0x0000000000870000-memory.dmp