Analysis
- max time kernel
137s - max time network
49s - platform
windows7_x64 - resource
win7v20210410 - submitted
09/08/2021, 05:14
General
- Target VAL-PO2108 .PDF.exe
- Size 892KB
- Sample210809-53h257l9rn
- SHA256 1c01390493fc6efc61f767ca138de2a88f68f58c1682a6aa85e40e9ccc5edf1e
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.bluecomunidad.com/
-
Port
21
-
Username
-
Password
nJaiOlt5MWVZ
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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\VAL-PO2108 .PDF.exe"C:\Users\Admin\AppData\Local\Temp\VAL-PO2108 .PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\VAL-PO2108 .PDF.exe"C:\Users\Admin\AppData\Local\Temp\VAL-PO2108 .PDF.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/660-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/660-67-0x0000000000400000-0x000000000043C000-memory.dmp
memory/660-69-0x0000000001000000-0x0000000001001000-memory.dmp
memory/660-70-0x0000000001001000-0x0000000001002000-memory.dmp
memory/1160-59-0x00000000010D0000-0x00000000010D1000-memory.dmp
memory/1160-61-0x0000000000F20000-0x0000000000F21000-memory.dmp
memory/1160-62-0x00000000004A0000-0x00000000004B1000-memory.dmp
memory/1160-63-0x0000000005270000-0x0000000005301000-memory.dmp
memory/1160-64-0x0000000000D00000-0x0000000000D38000-memory.dmp