Analysis
- max time kernel
144s - max time network
112s - platform
windows10_x64 - resource
win10v20201028 - submitted
01/12/2020, 17:32
General
- Target umu1.exe
- Size 992KB
- Sample201201-x977b98dca
- SHA256 a476fbd9ad9588a76e607bfe483d7f7561576fbabddce45b2b6fea4b78ae03a7
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.ru
-
Port
587
-
Username
-
Password
strama5150
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 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.
- 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\umu1.exe"C:\Users\Admin\AppData\Local\Temp\umu1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\umu1.exe"C:\Users\Admin\AppData\Local\Temp\umu1.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/744-11-0x00000000465D0000-0x0000000046626000-memory.dmp
memory/744-14-0x0000000046720000-0x0000000046759000-memory.dmp
memory/744-6-0x0000000005270000-0x0000000005271000-memory.dmp
memory/744-7-0x0000000004E10000-0x0000000004E11000-memory.dmp
memory/744-8-0x0000000004C90000-0x0000000004C91000-memory.dmp
memory/744-9-0x0000000004F70000-0x0000000004F71000-memory.dmp
memory/744-5-0x0000000004CB0000-0x0000000004CB1000-memory.dmp
memory/744-10-0x0000000026150000-0x0000000046138000-memory.dmp
memory/744-12-0x0000000005010000-0x0000000005018000-memory.dmp
memory/744-2-0x0000000073A20000-0x000000007410E000-memory.dmp
memory/744-3-0x0000000000390000-0x0000000000391000-memory.dmp
memory/2428-15-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2428-18-0x0000000073A20000-0x000000007410E000-memory.dmp
memory/2428-23-0x0000000005990000-0x0000000005991000-memory.dmp
memory/2428-24-0x00000000064C0000-0x00000000064C1000-memory.dmp