Analysis
- max time kernel
150s - max time network
15s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
07/10/2021, 09:23
General
- Target cfbd1a2cbc6b71ecb11b80ddf05db117.exe
- Size 451KB
- Sample211007-lcgmxscdfl
- SHA256 5aa7d1bc7abef93b3ccd50f7dd880f9bf70c7b7d157d067f16377d7b0a929092
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
X!oHio)4
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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 use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\cfbd1a2cbc6b71ecb11b80ddf05db117.exe"C:\Users\Admin\AppData\Local\Temp\cfbd1a2cbc6b71ecb11b80ddf05db117.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\cfbd1a2cbc6b71ecb11b80ddf05db117.exe"C:\Users\Admin\AppData\Local\Temp\cfbd1a2cbc6b71ecb11b80ddf05db117.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/960-58-0x0000000000400000-0x000000000043C000-memory.dmp
memory/960-60-0x0000000000400000-0x000000000043C000-memory.dmp
memory/960-62-0x0000000004A50000-0x0000000004A51000-memory.dmp
memory/960-63-0x0000000004A51000-0x0000000004A52000-memory.dmp
memory/1544-53-0x0000000001200000-0x0000000001201000-memory.dmp
memory/1544-55-0x0000000004D50000-0x0000000004D51000-memory.dmp
memory/1544-56-0x0000000000440000-0x000000000044A000-memory.dmp
memory/1544-57-0x0000000004E70000-0x0000000004EC8000-memory.dmp