Analysis
- max time kernel
123s - max time network
120s - platform
windows7_x64 - resource
win7v20201028 - submitted
10/11/2020, 11:49
General
- Target c076fb8aa8701a1255fad0401bc4d812fad82a0835fd2f95b9d7ade3fe9abec1.exe
- Size 346KB
- Sample201110-6pgsrefbhx
- SHA256 c076fb8aa8701a1255fad0401bc4d812fad82a0835fd2f95b9d7ade3fe9abec1
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.rajalakshmi.co.in
-
Port
587
-
Username
-
Password
009_DESign1*
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
- UPX packed file 5 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.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 18 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\c076fb8aa8701a1255fad0401bc4d812fad82a0835fd2f95b9d7ade3fe9abec1.exe"C:\Users\Admin\AppData\Local\Temp\c076fb8aa8701a1255fad0401bc4d812fad82a0835fd2f95b9d7ade3fe9abec1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\c076fb8aa8701a1255fad0401bc4d812fad82a0835fd2f95b9d7ade3fe9abec1.exe"C:\Users\Admin\AppData\Local\Temp\c076fb8aa8701a1255fad0401bc4d812fad82a0835fd2f95b9d7ade3fe9abec1.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\c076fb8aa8701a1255fad0401bc4d812fad82a0835fd2f95b9d7ade3fe9abec1.exe"C:\Users\Admin\AppData\Local\Temp\c076fb8aa8701a1255fad0401bc4d812fad82a0835fd2f95b9d7ade3fe9abec1.exe" 2 1336 2592891992⤵
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/288-0-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/604-7-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/1336-1-0x0000000000400000-0x0000000000485000-memory.dmp
memory/1336-3-0x0000000000400000-0x0000000000485000-memory.dmp
memory/1336-5-0x0000000000400000-0x0000000000485000-memory.dmp
memory/1336-6-0x0000000000380000-0x00000000003BC000-memory.dmp
memory/1336-8-0x0000000001F32000-0x0000000001F33000-memory.dmp
memory/1336-9-0x0000000000260000-0x0000000000297000-memory.dmp
memory/1336-11-0x0000000073820000-0x0000000073F0E000-memory.dmp