Analysis
- max time kernel
120s - max time network
123s - platform
windows7_x64 - resource
win7-20231025-en - resource tags
- submitted
22/11/2023, 11:33
General
- Target isuu_22.1123re.xls.exe
- Size 359KB
- Sample231122-nnvd9scf71
- SHA256 e15644a809333b1e0cce7bab9f423af06b2362c501d3d8aac394ff2b367a0ad4
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.sturmsgroup.com
-
Port
587
-
Username
-
Password
1nxez&C#vfZ6#0Jp
-
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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\isuu_22.1123re.xls.exe"C:\Users\Admin\AppData\Local\Temp\isuu_22.1123re.xls.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\isuu_22.1123re.xls.exeC:\Users\Admin\AppData\Local\Temp\isuu_22.1123re.xls.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/904-0-0x0000000000F30000-0x0000000000F90000-memory.dmp
memory/904-1-0x0000000074AF0000-0x00000000751DE000-memory.dmp
memory/904-2-0x0000000000C10000-0x0000000000C50000-memory.dmp
memory/904-3-0x0000000000900000-0x0000000000958000-memory.dmp
memory/904-4-0x0000000000C90000-0x0000000000CE8000-memory.dmp
memory/904-5-0x00000000003D0000-0x0000000000410000-memory.dmp
memory/904-6-0x0000000000CF0000-0x0000000000D30000-memory.dmp
memory/904-7-0x0000000000E70000-0x0000000000EBC000-memory.dmp
memory/904-20-0x0000000074AF0000-0x00000000751DE000-memory.dmp
memory/1916-12-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1916-10-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1916-14-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1916-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1916-18-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1916-8-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1916-21-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1916-23-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1916-24-0x0000000074A70000-0x000000007515E000-memory.dmp
memory/1916-25-0x0000000004AF0000-0x0000000004B30000-memory.dmp
memory/1916-26-0x0000000074A70000-0x000000007515E000-memory.dmp
memory/1916-27-0x0000000004AF0000-0x0000000004B30000-memory.dmp