Analysis
- max time kernel
141s - max time network
141s - platform
windows10_x64 - resource
win10v20201028 - submitted
21/11/2020, 09:17
General
- Target DOC04121993.exe
- Size 955KB
- Sample201121-mr5mqjcm8a
- SHA256 d0ea8610ecee6c92c50af51c37a0a49f8550768609a08a5a2dcaf98bb06dcff3
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.hybridgroupco.com
-
Port
587
-
Username
-
Password
Obinna123@@@
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.hybridgroupco.com
-
Port
587
-
Username
-
Password
Obinna123@@@
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.
- Drops startup file 1 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 64 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DOC04121993.exe"C:\Users\Admin\AppData\Local\Temp\DOC04121993.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵
- Drops startup file
-
-
C:\Users\Admin\AppData\Local\Temp\DOC04121993.exe"C:\Users\Admin\AppData\Local\Temp\DOC04121993.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\DOC04121993.exe"C:\Users\Admin\AppData\Local\Temp\DOC04121993.exe" 2 1824 2592726712⤵
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1544-8-0x0000000000400000-0x00000000004F5000-memory.dmp
memory/1824-2-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/1824-5-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/1824-6-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/1824-7-0x00000000021D0000-0x0000000002236000-memory.dmp
memory/1824-9-0x0000000000932000-0x0000000000933000-memory.dmp
memory/3408-0-0x0000000000400000-0x00000000004F5000-memory.dmp