Analysis
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max time kernel
84s -
max time network
69s -
platform
windows7_x64 -
resource
win7 -
submitted
14-07-2020 13:25
Static task
static1
Behavioral task
behavioral1
Sample
Invoice copy.pdf.exe
Resource
win7
Behavioral task
behavioral2
Sample
Invoice copy.pdf.exe
Resource
win10v200430
General
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Target
Invoice copy.pdf.exe
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Size
699KB
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MD5
87de5db071f313cc111754e5853ddb2d
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SHA1
6f4db55d134f2d08b719b14a3d9a3c328c1ae405
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SHA256
21327be564dca2dd0136871d257a99b68daf3a09af75a0fb947f65708f1df2b0
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SHA512
0e0c91a9222d229f6c0fd4c26931cb645bfd80da3e8acdc2997bbda94dda4ab8521e50d780f552ab0d4e0ea0e2ab0c54736c4e26214e0b30864b0aa7de3affd8
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.ru - Port:
587 - Username:
[email protected] - Password:
kingmoney12345
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/1056-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1056-3-0x0000000000446DDE-mapping.dmp family_agenttesla behavioral1/memory/1056-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1056-5-0x0000000000400000-0x000000000044C000-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:
Invoice copy.pdf.exedescription pid process target process PID 240 set thread context of 1056 240 Invoice copy.pdf.exe Invoice copy.pdf.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Invoice copy.pdf.exepid process 1056 Invoice copy.pdf.exe 1056 Invoice copy.pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Invoice copy.pdf.exedescription pid process Token: SeDebugPrivilege 1056 Invoice copy.pdf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Invoice copy.pdf.exepid process 1056 Invoice copy.pdf.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Invoice copy.pdf.exedescription pid process target process PID 240 wrote to memory of 1056 240 Invoice copy.pdf.exe Invoice copy.pdf.exe PID 240 wrote to memory of 1056 240 Invoice copy.pdf.exe Invoice copy.pdf.exe PID 240 wrote to memory of 1056 240 Invoice copy.pdf.exe Invoice copy.pdf.exe PID 240 wrote to memory of 1056 240 Invoice copy.pdf.exe Invoice copy.pdf.exe PID 240 wrote to memory of 1056 240 Invoice copy.pdf.exe Invoice copy.pdf.exe PID 240 wrote to memory of 1056 240 Invoice copy.pdf.exe Invoice copy.pdf.exe PID 240 wrote to memory of 1056 240 Invoice copy.pdf.exe Invoice copy.pdf.exe PID 240 wrote to memory of 1056 240 Invoice copy.pdf.exe Invoice copy.pdf.exe PID 240 wrote to memory of 1056 240 Invoice copy.pdf.exe Invoice copy.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Invoice copy.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Invoice copy.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:240 -
C:\Users\Admin\AppData\Local\Temp\Invoice copy.pdf.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1056