Analysis
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max time kernel
43s -
max time network
40s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
29-01-2021 18:20
Static task
static1
Behavioral task
behavioral1
Sample
Payment advice.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Payment advice.exe
Resource
win10v20201028
General
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Target
Payment advice.exe
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Size
26KB
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MD5
a6b0c18fb26a8c6eed21a2ceadb3bcb6
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SHA1
8b419602ffe57720dde8617b9061f6876c8835a1
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SHA256
41fc81a9ebcb9f6405555db22b71ca764939d1dbcf113e446418e3cb6d394184
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SHA512
ed0bdfe0a0053ac02b40952af9a4bd63f5d3b5a5684e3a0c26d6f77c83c5d365f7a9b2e8ca3fe69e11c6dd84f51f3e0961ccdffcf62ed27e95915d8c63834f2e
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.tpcdel.com - Port:
587 - Username:
[email protected] - Password:
EmlP@2018
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/364-6-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/364-7-0x000000000044A95E-mapping.dmp family_agenttesla behavioral1/memory/364-9-0x0000000000400000-0x0000000000450000-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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Payment advice.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\ZozjABYW = "C:\\Users\\Admin\\AppData\\Roaming\\wPLpKMo\\UGxXf.exe" Payment advice.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Payment advice.exedescription pid process target process PID 548 set thread context of 364 548 Payment advice.exe Payment advice.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Payment advice.exepid process 364 Payment advice.exe 364 Payment advice.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Payment advice.exePayment advice.exedescription pid process Token: SeDebugPrivilege 548 Payment advice.exe Token: SeDebugPrivilege 364 Payment advice.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Payment advice.exepid process 364 Payment advice.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Payment advice.exedescription pid process target process PID 548 wrote to memory of 364 548 Payment advice.exe Payment advice.exe PID 548 wrote to memory of 364 548 Payment advice.exe Payment advice.exe PID 548 wrote to memory of 364 548 Payment advice.exe Payment advice.exe PID 548 wrote to memory of 364 548 Payment advice.exe Payment advice.exe PID 548 wrote to memory of 364 548 Payment advice.exe Payment advice.exe PID 548 wrote to memory of 364 548 Payment advice.exe Payment advice.exe PID 548 wrote to memory of 364 548 Payment advice.exe Payment advice.exe PID 548 wrote to memory of 364 548 Payment advice.exe Payment advice.exe PID 548 wrote to memory of 364 548 Payment advice.exe Payment advice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment advice.exe"C:\Users\Admin\AppData\Local\Temp\Payment advice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:548 -
C:\Users\Admin\AppData\Local\Temp\Payment advice.exe"C:\Users\Admin\AppData\Local\Temp\Payment advice.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:364