Analysis
- max time kernel
146s - max time network
148s - platform
windows10_x64 - resource
win10v200430 - submitted
07/07/2020, 10:24
General
- Target DOC-4529464927595.exe
- Size 717KB
- Sample200707-lpj3378hls
- SHA256 f8f885be4f68c3bae8a9ce7298623c68abb9955cc13fdcf3ac9dc9381413dd27
Score
10/10
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
Sages101*
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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 behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DOC-4529464927595.exe"C:\Users\Admin\AppData\Local\Temp\DOC-4529464927595.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\DOC-4529464927595.exe"C:\Users\Admin\AppData\Local\Temp\DOC-4529464927595.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2092-0-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/2092-2-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/2092-3-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/2092-4-0x00000000009C0000-0x0000000000A0C000-memory.dmp
memory/2092-5-0x00000000004D2000-0x00000000004D3000-memory.dmp