Analysis
- max time kernel
150s - max time network
136s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
29/09/2021, 09:48
General
- Target DHL Shipment Notification 2151584805.pdf.exe
- Size 737KB
- Sample210929-lsr4laeeer
- SHA256 bbc4a223ff1aa2330e937fe4090732ec2743957f01529bebbceef20a7db5a932
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot1952154144:AAEHUKomldKQIyjgq_MWw4YWiGcA_iwz6T4/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL Shipment Notification 2151584805.pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL Shipment Notification 2151584805.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\DHL Shipment Notification 2151584805.pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\DHL Shipment Notification 2151584805.pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL Shipment Notification 2151584805.pdf.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/636-67-0x0000000004C20000-0x0000000004C21000-memory.dmp
memory/636-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/636-62-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1044-58-0x0000000005AD0000-0x0000000005B45000-memory.dmp
memory/1044-60-0x0000000004D40000-0x0000000004D86000-memory.dmp
memory/1044-59-0x0000000000950000-0x0000000000952000-memory.dmp
memory/1044-54-0x0000000000E40000-0x0000000000E41000-memory.dmp
memory/1044-57-0x0000000000930000-0x0000000000943000-memory.dmp
memory/1044-56-0x00000000005F0000-0x00000000005F1000-memory.dmp
memory/1748-64-0x0000000075871000-0x0000000075873000-memory.dmp
memory/1748-68-0x00000000022B0000-0x00000000022B1000-memory.dmp
memory/1748-69-0x00000000022B1000-0x00000000022B2000-memory.dmp
memory/1748-70-0x00000000022B2000-0x00000000022B4000-memory.dmp