Analysis
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max time kernel
139s -
max time network
134s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
19-10-2021 14:05
Static task
static1
Behavioral task
behavioral1
Sample
813641BENTELERdeMéxicoSAdeCV202110193434322.exe
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
813641BENTELERdeMéxicoSAdeCV202110193434322.exe
Resource
win10-en-20210920
General
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Target
813641BENTELERdeMéxicoSAdeCV202110193434322.exe
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Size
385KB
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MD5
2f80f873ad25314e7c4d18c2f850744e
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SHA1
6d96cfb8544acd55876a89bfd2c892845d9249c4
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SHA256
01ef7277bcd8f0ac5259da0e72f1331ed250624a15e74fa44ac9c0f9dcaea096
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SHA512
9f895fbc860239e8683d1809b551daa571dafdb5c22bee651f5ebc0d3264eef9df879fbbb98c4bbf46f70255e3bf8d2bdb8f4f5da0190a9c04fb00812cd1b5e4
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.comansi.com - Port:
587 - Username:
[email protected] - Password:
JUGuete$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 2 IoCs
Processes:
resource yara_rule behavioral2/memory/436-126-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/436-127-0x000000000043767E-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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
813641BENTELERdeMéxicoSAdeCV202110193434322.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 813641BENTELERdeMéxicoSAdeCV202110193434322.exe Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 813641BENTELERdeMéxicoSAdeCV202110193434322.exe Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 813641BENTELERdeMéxicoSAdeCV202110193434322.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
813641BENTELERdeMéxicoSAdeCV202110193434322.exedescription pid process target process PID 3524 set thread context of 436 3524 813641BENTELERdeMéxicoSAdeCV202110193434322.exe 813641BENTELERdeMéxicoSAdeCV202110193434322.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
813641BENTELERdeMéxicoSAdeCV202110193434322.exepid process 436 813641BENTELERdeMéxicoSAdeCV202110193434322.exe 436 813641BENTELERdeMéxicoSAdeCV202110193434322.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
813641BENTELERdeMéxicoSAdeCV202110193434322.exedescription pid process Token: SeDebugPrivilege 436 813641BENTELERdeMéxicoSAdeCV202110193434322.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
813641BENTELERdeMéxicoSAdeCV202110193434322.exepid process 3524 813641BENTELERdeMéxicoSAdeCV202110193434322.exe 3524 813641BENTELERdeMéxicoSAdeCV202110193434322.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
813641BENTELERdeMéxicoSAdeCV202110193434322.exedescription pid process target process PID 3524 wrote to memory of 436 3524 813641BENTELERdeMéxicoSAdeCV202110193434322.exe 813641BENTELERdeMéxicoSAdeCV202110193434322.exe PID 3524 wrote to memory of 436 3524 813641BENTELERdeMéxicoSAdeCV202110193434322.exe 813641BENTELERdeMéxicoSAdeCV202110193434322.exe PID 3524 wrote to memory of 436 3524 813641BENTELERdeMéxicoSAdeCV202110193434322.exe 813641BENTELERdeMéxicoSAdeCV202110193434322.exe PID 3524 wrote to memory of 436 3524 813641BENTELERdeMéxicoSAdeCV202110193434322.exe 813641BENTELERdeMéxicoSAdeCV202110193434322.exe PID 3524 wrote to memory of 436 3524 813641BENTELERdeMéxicoSAdeCV202110193434322.exe 813641BENTELERdeMéxicoSAdeCV202110193434322.exe PID 3524 wrote to memory of 436 3524 813641BENTELERdeMéxicoSAdeCV202110193434322.exe 813641BENTELERdeMéxicoSAdeCV202110193434322.exe PID 3524 wrote to memory of 436 3524 813641BENTELERdeMéxicoSAdeCV202110193434322.exe 813641BENTELERdeMéxicoSAdeCV202110193434322.exe PID 3524 wrote to memory of 436 3524 813641BENTELERdeMéxicoSAdeCV202110193434322.exe 813641BENTELERdeMéxicoSAdeCV202110193434322.exe -
outlook_office_path 1 IoCs
Processes:
813641BENTELERdeMéxicoSAdeCV202110193434322.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 813641BENTELERdeMéxicoSAdeCV202110193434322.exe -
outlook_win_path 1 IoCs
Processes:
813641BENTELERdeMéxicoSAdeCV202110193434322.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 813641BENTELERdeMéxicoSAdeCV202110193434322.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\813641BENTELERdeMéxicoSAdeCV202110193434322.exe"C:\Users\Admin\AppData\Local\Temp\813641BENTELERdeMéxicoSAdeCV202110193434322.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3524 -
C:\Users\Admin\AppData\Local\Temp\813641BENTELERdeMéxicoSAdeCV202110193434322.exe"C:\Users\Admin\AppData\Local\Temp\813641BENTELERdeMéxicoSAdeCV202110193434322.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:436
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\813641BENTELERdeMéxicoSAdeCV202110193434322.exe.log
MD50c2899d7c6746f42d5bbe088c777f94c
SHA1622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1
SHA2565b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458
SHA512ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078