Analysis
- max time kernel
83s - max time network
86s - platform
windows10_x64 - resource
win10v200722 - submitted
14/08/2020, 05:55
General
- Target MAX_FILE.EXE
- Size 836KB
- Sample200814-tpd7eectg2
- SHA256 fda0aa8856f3c9ef91b3adf22ee5fdf5b153fdf863a53ca945e27daba20d2f62
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
daddyhandsome1234
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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 64 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\MAX_FILE.EXE"C:\Users\Admin\AppData\Local\Temp\MAX_FILE.EXE"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\MAX_FILE.EXE"C:\Users\Admin\AppData\Local\Temp\MAX_FILE.EXE"2⤵
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\MAX_FILE.EXE"C:\Users\Admin\AppData\Local\Temp\MAX_FILE.EXE" 2 3888 798122⤵
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3888-6-0x00000000022D2000-0x00000000022D3000-memory.dmp
memory/3888-3-0x0000000000400000-0x00000000004C0000-memory.dmp
memory/3888-4-0x0000000000400000-0x00000000004C0000-memory.dmp
memory/3888-5-0x00000000021D0000-0x000000000222A000-memory.dmp
memory/3888-0-0x0000000000400000-0x00000000004C0000-memory.dmp
memory/3888-7-0x00000000733F0000-0x0000000073ADE000-memory.dmp
memory/3888-10-0x0000000004B10000-0x0000000004B11000-memory.dmp
memory/3888-11-0x00000000048D0000-0x00000000048D1000-memory.dmp
memory/3888-12-0x0000000005440000-0x0000000005441000-memory.dmp
memory/3888-13-0x0000000005470000-0x0000000005471000-memory.dmp
memory/3888-14-0x0000000005E50000-0x0000000005E51000-memory.dmp
memory/3888-15-0x0000000005DF0000-0x0000000005DF1000-memory.dmp