Analysis
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max time kernel
91s -
max time network
83s -
platform
windows10_x64 -
resource
win10v200430 -
submitted
10-07-2020 05:12
Static task
static1
Behavioral task
behavioral1
Sample
75901b0b44fe405585b090a1e4d07950.exe
Resource
win7
Behavioral task
behavioral2
Sample
75901b0b44fe405585b090a1e4d07950.exe
Resource
win10v200430
General
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Target
75901b0b44fe405585b090a1e4d07950.exe
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Size
546KB
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MD5
75901b0b44fe405585b090a1e4d07950
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SHA1
5a084fb706056d2c2e47c0bc0e77291717aa82f7
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SHA256
923afe739adc8482ff3c6854a893e67ba74241aba874da9235765b862cf84977
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SHA512
a6edd2576cf758591289cdf35f14b219a6f71504a0d04f80147bdb778b84b505a5763f06765d259e2739d364b05d429452c8c132769bed4ced1c04fcb2a282f0
Malware Config
Extracted
Protocol: smtp- Host:
dellg.xyz - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@#$
Extracted
agenttesla
Protocol: smtp- Host:
dellg.xyz - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@#$
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/1916-0-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral2/memory/1916-1-0x000000000044690E-mapping.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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
75901b0b44fe405585b090a1e4d07950.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\Software\Microsoft\Windows\CurrentVersion\Run\italian = "C:\\Users\\Admin\\AppData\\Local\\Temp\\italian\\italian.exe" 75901b0b44fe405585b090a1e4d07950.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
75901b0b44fe405585b090a1e4d07950.exedescription pid process target process PID 3136 set thread context of 1916 3136 75901b0b44fe405585b090a1e4d07950.exe 75901b0b44fe405585b090a1e4d07950.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
75901b0b44fe405585b090a1e4d07950.exepid process 1916 75901b0b44fe405585b090a1e4d07950.exe 1916 75901b0b44fe405585b090a1e4d07950.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
75901b0b44fe405585b090a1e4d07950.exedescription pid process Token: SeDebugPrivilege 1916 75901b0b44fe405585b090a1e4d07950.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
75901b0b44fe405585b090a1e4d07950.exepid process 1916 75901b0b44fe405585b090a1e4d07950.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
75901b0b44fe405585b090a1e4d07950.exedescription pid process target process PID 3136 wrote to memory of 1916 3136 75901b0b44fe405585b090a1e4d07950.exe 75901b0b44fe405585b090a1e4d07950.exe PID 3136 wrote to memory of 1916 3136 75901b0b44fe405585b090a1e4d07950.exe 75901b0b44fe405585b090a1e4d07950.exe PID 3136 wrote to memory of 1916 3136 75901b0b44fe405585b090a1e4d07950.exe 75901b0b44fe405585b090a1e4d07950.exe PID 3136 wrote to memory of 1916 3136 75901b0b44fe405585b090a1e4d07950.exe 75901b0b44fe405585b090a1e4d07950.exe PID 3136 wrote to memory of 1916 3136 75901b0b44fe405585b090a1e4d07950.exe 75901b0b44fe405585b090a1e4d07950.exe PID 3136 wrote to memory of 1916 3136 75901b0b44fe405585b090a1e4d07950.exe 75901b0b44fe405585b090a1e4d07950.exe PID 3136 wrote to memory of 1916 3136 75901b0b44fe405585b090a1e4d07950.exe 75901b0b44fe405585b090a1e4d07950.exe PID 3136 wrote to memory of 1916 3136 75901b0b44fe405585b090a1e4d07950.exe 75901b0b44fe405585b090a1e4d07950.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\75901b0b44fe405585b090a1e4d07950.exe"C:\Users\Admin\AppData\Local\Temp\75901b0b44fe405585b090a1e4d07950.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3136 -
C:\Users\Admin\AppData\Local\Temp\75901b0b44fe405585b090a1e4d07950.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1916
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\75901b0b44fe405585b090a1e4d07950.exe.log
MD5a8a031ea319b38009be614d781644baa
SHA185dafed3a835d80a313e1db8c55b1dfa5196d25e
SHA2562d6f4641fff2de0070f6347daa5cc0953cefd66e3fc7645f2472d178a8ca7924
SHA512f3055c88f867dcd4cf74cd2c72e8c7dc3a719fdbf2f3e562338c35f871108db9b1c1b695d5f84a889cf4d0a19fb905e64cac27159e83cd8549e6bc09ae39b775