Analysis
- max time kernel
142s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231127-en - resource tags
- submitted
07/12/2023, 02:43
General
- Target 7e5dfe0a86936a5229272db7e26b597b65c36eb7e930b70f7727ce082ceb9485.exe
- Size 240KB
- Sample231207-c7vnlaaeb6
- SHA256 7e5dfe0a86936a5229272db7e26b597b65c36eb7e930b70f7727ce082ceb9485
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.officeemailbackup.com
-
Port
587
-
Username
-
Password
fiKV73cEXrT#
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.officeemailbackup.com
-
Port
587
-
Username
-
Password
fiKV73cEXrT#
-
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.
- Looks up external IP address via web service 3 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
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\7e5dfe0a86936a5229272db7e26b597b65c36eb7e930b70f7727ce082ceb9485.exe"C:\Users\Admin\AppData\Local\Temp\7e5dfe0a86936a5229272db7e26b597b65c36eb7e930b70f7727ce082ceb9485.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/4996-0-0x0000000075090000-0x0000000075840000-memory.dmp
memory/4996-1-0x0000000000D60000-0x0000000000DA2000-memory.dmp
memory/4996-2-0x0000000005D60000-0x0000000006304000-memory.dmp
memory/4996-3-0x0000000005740000-0x0000000005750000-memory.dmp
memory/4996-4-0x0000000005920000-0x0000000005986000-memory.dmp
memory/4996-5-0x0000000006FE0000-0x0000000007030000-memory.dmp
memory/4996-6-0x00000000070D0000-0x000000000716C000-memory.dmp
memory/4996-7-0x0000000007170000-0x0000000007202000-memory.dmp
memory/4996-8-0x0000000007080000-0x000000000708A000-memory.dmp
memory/4996-9-0x0000000075090000-0x0000000075840000-memory.dmp
memory/4996-10-0x0000000005740000-0x0000000005750000-memory.dmp