Analysis
- max time kernel
116s - max time network
116s - platform
windows10_x64 - resource
win10v20201028 - submitted
17/12/2020, 09:10
General
- Target Bookingreference.exe
- Size 5.2MB
- Sample201217-3ytsptp8ra
- SHA256 3f4689ec7f18f1c30786b9953ed1fccb79f806a233aeb730fff83b432adf87bf
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.pacificwests-deilv.com
-
Port
587
-
Username
-
Password
Kelechikelechi1@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- AgentTesla Payload 2 IoCs
- Drops startup file 2 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.
- Adds Run key to start application 2 TTPs 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Bookingreference.exe"C:\Users\Admin\AppData\Local\Temp\Bookingreference.exe"1⤵
- Modifies WinLogon for persistence
- Drops startup file
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Bookingreference.exe"C:\Users\Admin\AppData\Local\Temp\Bookingreference.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1308-2-0x0000000073C50000-0x000000007433E000-memory.dmp
memory/1308-3-0x0000000000B10000-0x0000000000B11000-memory.dmp
memory/1308-5-0x0000000010100000-0x0000000010101000-memory.dmp
memory/1308-6-0x0000000005780000-0x00000000057FD000-memory.dmp
memory/1308-7-0x0000000005E40000-0x0000000005E41000-memory.dmp
memory/2576-8-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2576-11-0x0000000073C50000-0x000000007433E000-memory.dmp
memory/2576-16-0x0000000005D50000-0x0000000005D51000-memory.dmp
memory/2576-17-0x0000000006400000-0x0000000006401000-memory.dmp
memory/2576-18-0x00000000069D0000-0x00000000069D1000-memory.dmp
memory/2576-19-0x0000000005E00000-0x0000000005E01000-memory.dmp