Analysis
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max time kernel
136s -
max time network
10s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
25-01-2021 16:03
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v20201028
General
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Target
file.exe
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Size
888KB
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MD5
cc13fe68694c348411f4ca2824600638
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SHA1
46312f474aa34a77c3a68307f1ab5cdd2c6a7d00
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SHA256
23d1aeac6fe7d135fbb00e8316eb078183138b74f4adf33497a8fa8ae685e9b5
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SHA512
a4f31c329457cb6255fd8c126eb4d256274e395246ea68bba8689f398e78ac9b57e7032d99c0942023c3e4670d3d4650d69346d6ae1d12006172895512a04110
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.arredobagno.com.ar - Port:
587 - Username:
[email protected] - Password:
Jacuzzi6698
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1348-8-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1348-9-0x000000000043762E-mapping.dmp family_agenttesla behavioral1/memory/1348-11-0x0000000000400000-0x000000000043C000-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:
file.exedescription pid process target process PID 384 set thread context of 1348 384 file.exe file.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
file.exepid process 1348 file.exe 1348 file.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
file.exedescription pid process Token: SeDebugPrivilege 1348 file.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
file.exedescription pid process target process PID 384 wrote to memory of 1348 384 file.exe file.exe PID 384 wrote to memory of 1348 384 file.exe file.exe PID 384 wrote to memory of 1348 384 file.exe file.exe PID 384 wrote to memory of 1348 384 file.exe file.exe PID 384 wrote to memory of 1348 384 file.exe file.exe PID 384 wrote to memory of 1348 384 file.exe file.exe PID 384 wrote to memory of 1348 384 file.exe file.exe PID 384 wrote to memory of 1348 384 file.exe file.exe PID 384 wrote to memory of 1348 384 file.exe file.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:384 -
C:\Users\Admin\AppData\Local\Temp\file.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1348