Analysis
- max time kernel
132s - max time network
93s - platform
windows7_x64 - resource
win7v20201028 - submitted
24/03/2021, 12:38
General
- Target PurchaseOrderpdf.exe
- Size 731KB
- Sample210324-drzdaachke
- SHA256 6ca16a6db9d7c0485eda77ec2e88fdf53a446982da3185a6cae2c6dc657e4d50
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
22june1969
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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 behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PurchaseOrderpdf.exe"C:\Users\Admin\AppData\Local\Temp\PurchaseOrderpdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\PurchaseOrderpdf.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/744-2-0x0000000073FF0000-0x00000000746DE000-memory.dmp
memory/744-3-0x0000000000AF0000-0x0000000000AF1000-memory.dmp
memory/744-5-0x0000000004990000-0x0000000004991000-memory.dmp
memory/744-6-0x00000000003E0000-0x00000000003E5000-memory.dmp
memory/744-7-0x0000000005230000-0x00000000052D3000-memory.dmp
memory/744-8-0x00000000001E0000-0x0000000000255000-memory.dmp
memory/1336-9-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1336-11-0x0000000073FF0000-0x00000000746DE000-memory.dmp
memory/1336-12-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1336-14-0x0000000004C10000-0x0000000004C11000-memory.dmp
memory/1336-15-0x0000000004C11000-0x0000000004C12000-memory.dmp