Analysis
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max time kernel
112s -
max time network
116s -
platform
windows7_x64 -
resource
win7 -
submitted
16-07-2020 15:23
Static task
static1
Behavioral task
behavioral1
Sample
Transfer confirmation..exe
Resource
win7
Behavioral task
behavioral2
Sample
Transfer confirmation..exe
Resource
win10v200430
General
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Target
Transfer confirmation..exe
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Size
574KB
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MD5
b250362001c85e727f8c927beb0acf78
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SHA1
4c66d5556f9b358a4179f954db1a03603708f6e2
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SHA256
5933116f79096a5ba2c4b292e4e6636e58eaae540620bb4368548280f16f3428
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SHA512
b6b9469377b8b22b8f9a25ddb7e453a85a08e558805164a577d657d61e5629d495e319b1cd505b598ecefc6e3346fc6fbb20519bfaefe4db7f5886fd34d88418
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.waltartosto.com - Port:
587 - Username:
[email protected] - Password:
eukwE%p8
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1892-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1892-3-0x000000000044727E-mapping.dmp family_agenttesla behavioral1/memory/1892-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1892-5-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
Transfer confirmation..exedescription pid process target process PID 896 set thread context of 1892 896 Transfer confirmation..exe Transfer confirmation..exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Transfer confirmation..exepid process 1892 Transfer confirmation..exe 1892 Transfer confirmation..exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Transfer confirmation..exedescription pid process Token: SeDebugPrivilege 1892 Transfer confirmation..exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Transfer confirmation..exedescription pid process target process PID 896 wrote to memory of 1892 896 Transfer confirmation..exe Transfer confirmation..exe PID 896 wrote to memory of 1892 896 Transfer confirmation..exe Transfer confirmation..exe PID 896 wrote to memory of 1892 896 Transfer confirmation..exe Transfer confirmation..exe PID 896 wrote to memory of 1892 896 Transfer confirmation..exe Transfer confirmation..exe PID 896 wrote to memory of 1892 896 Transfer confirmation..exe Transfer confirmation..exe PID 896 wrote to memory of 1892 896 Transfer confirmation..exe Transfer confirmation..exe PID 896 wrote to memory of 1892 896 Transfer confirmation..exe Transfer confirmation..exe PID 896 wrote to memory of 1892 896 Transfer confirmation..exe Transfer confirmation..exe PID 896 wrote to memory of 1892 896 Transfer confirmation..exe Transfer confirmation..exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Transfer confirmation..exe"C:\Users\Admin\AppData\Local\Temp\Transfer confirmation..exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:896 -
C:\Users\Admin\AppData\Local\Temp\Transfer confirmation..exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1892