Analysis
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max time kernel
144s -
max time network
136s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
16-04-2021 19:38
Static task
static1
Behavioral task
behavioral1
Sample
SOA.pdf'.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
SOA.pdf'.exe
Resource
win10v20210410
General
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Target
SOA.pdf'.exe
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Size
771KB
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MD5
603f42dcb85fbd19933316cf1b6bedd4
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SHA1
33c38e2625cb5f44fcc1c44beec75db09718ce10
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SHA256
276144fa4171733571ff6940ef10a3bb603028c99c51093d074f6cda0d65afda
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SHA512
14fe5a280a055355e2a11eda7fd1e36392a50632bd4779e9651a7f161dd6f4f10c2f150b977ed80a6bd88c542df0aec5a8c57193e9d80459b961f6343c0274d6
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.lallyautomobiles.net - Port:
587 - Username:
[email protected] - Password:
Welcome@2021
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/332-66-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/332-67-0x000000000043762E-mapping.dmp family_agenttesla behavioral1/memory/332-68-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
SOA.pdf'.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts SOA.pdf'.exe -
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:
SOA.pdf'.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe" SOA.pdf'.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SOA.pdf'.exedescription pid process target process PID 784 set thread context of 332 784 SOA.pdf'.exe SOA.pdf'.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
SOA.pdf'.exeSOA.pdf'.exepid process 784 SOA.pdf'.exe 784 SOA.pdf'.exe 332 SOA.pdf'.exe 332 SOA.pdf'.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
SOA.pdf'.exeSOA.pdf'.exedescription pid process Token: SeDebugPrivilege 784 SOA.pdf'.exe Token: SeDebugPrivilege 332 SOA.pdf'.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
SOA.pdf'.exepid process 332 SOA.pdf'.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
SOA.pdf'.exedescription pid process target process PID 784 wrote to memory of 664 784 SOA.pdf'.exe SOA.pdf'.exe PID 784 wrote to memory of 664 784 SOA.pdf'.exe SOA.pdf'.exe PID 784 wrote to memory of 664 784 SOA.pdf'.exe SOA.pdf'.exe PID 784 wrote to memory of 664 784 SOA.pdf'.exe SOA.pdf'.exe PID 784 wrote to memory of 332 784 SOA.pdf'.exe SOA.pdf'.exe PID 784 wrote to memory of 332 784 SOA.pdf'.exe SOA.pdf'.exe PID 784 wrote to memory of 332 784 SOA.pdf'.exe SOA.pdf'.exe PID 784 wrote to memory of 332 784 SOA.pdf'.exe SOA.pdf'.exe PID 784 wrote to memory of 332 784 SOA.pdf'.exe SOA.pdf'.exe PID 784 wrote to memory of 332 784 SOA.pdf'.exe SOA.pdf'.exe PID 784 wrote to memory of 332 784 SOA.pdf'.exe SOA.pdf'.exe PID 784 wrote to memory of 332 784 SOA.pdf'.exe SOA.pdf'.exe PID 784 wrote to memory of 332 784 SOA.pdf'.exe SOA.pdf'.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SOA.pdf'.exe"C:\Users\Admin\AppData\Local\Temp\SOA.pdf'.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:784 -
C:\Users\Admin\AppData\Local\Temp\SOA.pdf'.exe"{path}"2⤵PID:664
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C:\Users\Admin\AppData\Local\Temp\SOA.pdf'.exe"{path}"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:332