Analysis
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max time kernel
125s -
max time network
125s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
21-10-2021 13:38
Static task
static1
Behavioral task
behavioral1
Sample
8.exe
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
8.exe
Resource
win10-en-20210920
General
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Target
8.exe
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Size
426KB
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MD5
6e076b569560bf2e25726d56639bbbfe
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SHA1
73babceee474d401f5f0c36bf71cbb1da7374e7b
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SHA256
1f641c813dbf32c33e6e6a2b5f50851b967070b9e84cd288f818c6282c8671b2
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SHA512
0dba29e66219785a9565fc0ef88ec8172f372060a6fa374498aee093e74b4495161ab8f68861004661456457042a11f4d2951db8e28e44bae9f060fe7abf579f
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.daproviaggi.it - Port:
587 - Username:
anna@daproviaggi.it - Password:
vacanz.E43
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 behavioral2/memory/3168-125-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3168-126-0x000000000043764E-mapping.dmp family_agenttesla behavioral2/memory/3168-132-0x0000000005240000-0x000000000573E000-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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
8.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8.exe Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8.exe Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
8.exedescription pid process target process PID 3540 set thread context of 3168 3540 8.exe 8.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
8.exe8.exepid process 3540 8.exe 3540 8.exe 3168 8.exe 3168 8.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
8.exe8.exedescription pid process Token: SeDebugPrivilege 3540 8.exe Token: SeDebugPrivilege 3168 8.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
8.exepid process 3168 8.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
8.exedescription pid process target process PID 3540 wrote to memory of 3132 3540 8.exe schtasks.exe PID 3540 wrote to memory of 3132 3540 8.exe schtasks.exe PID 3540 wrote to memory of 3132 3540 8.exe schtasks.exe PID 3540 wrote to memory of 3168 3540 8.exe 8.exe PID 3540 wrote to memory of 3168 3540 8.exe 8.exe PID 3540 wrote to memory of 3168 3540 8.exe 8.exe PID 3540 wrote to memory of 3168 3540 8.exe 8.exe PID 3540 wrote to memory of 3168 3540 8.exe 8.exe PID 3540 wrote to memory of 3168 3540 8.exe 8.exe PID 3540 wrote to memory of 3168 3540 8.exe 8.exe PID 3540 wrote to memory of 3168 3540 8.exe 8.exe -
outlook_office_path 1 IoCs
Processes:
8.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8.exe -
outlook_win_path 1 IoCs
Processes:
8.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 8.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8.exe"C:\Users\Admin\AppData\Local\Temp\8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rYosmRSBPa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1FF7.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\8.exe"C:\Users\Admin\AppData\Local\Temp\8.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8.exe.logMD5
0c2899d7c6746f42d5bbe088c777f94c
SHA1622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1
SHA2565b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458
SHA512ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078
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memory/3132-124-0x0000000000000000-mapping.dmp
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memory/3168-134-0x0000000005FA0000-0x0000000005FA1000-memory.dmpFilesize
4KB
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memory/3168-133-0x0000000005410000-0x0000000005411000-memory.dmpFilesize
4KB
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memory/3168-132-0x0000000005240000-0x000000000573E000-memory.dmpFilesize
5.0MB
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memory/3168-126-0x000000000043764E-mapping.dmp
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memory/3168-125-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3540-119-0x0000000005110000-0x000000000560E000-memory.dmpFilesize
5.0MB
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memory/3540-123-0x0000000005F50000-0x0000000005FA8000-memory.dmpFilesize
352KB
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memory/3540-122-0x0000000005EB0000-0x0000000005EB1000-memory.dmpFilesize
4KB
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memory/3540-121-0x00000000052D0000-0x00000000052D7000-memory.dmpFilesize
28KB
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memory/3540-120-0x0000000005130000-0x0000000005131000-memory.dmpFilesize
4KB
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memory/3540-115-0x0000000000880000-0x0000000000881000-memory.dmpFilesize
4KB
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memory/3540-118-0x00000000051B0000-0x00000000051B1000-memory.dmpFilesize
4KB
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memory/3540-117-0x0000000005610000-0x0000000005611000-memory.dmpFilesize
4KB