Analysis
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max time kernel
146s -
max time network
186s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 12:03
Static task
static1
Behavioral task
behavioral1
Sample
3582133.exe
Resource
win7-20220414-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
3582133.exe
Resource
win10v2004-20220414-en
0 signatures
0 seconds
General
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Target
3582133.exe
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Size
460KB
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MD5
814d60b47619ff47a081818e6d2fdb02
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SHA1
3356b6d7a362db8c0aa04afe798870aa6f9ae966
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SHA256
e4392c3867a7b38a96f352f3249358e0144717bde4adf6473e5f994904a98bb3
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SHA512
edabbcc51509ec59a908616d7d3b43f8e56f99a026e218b8fd6980de382618c83cd890a983a7774517d1853c356f8f6df19173976740a4f774bb0976c9bf43fa
Malware Config
Extracted
Family
agenttesla
Credentials
Protocol: smtp- Host:
smtp.israelagroconsultant.com - Port:
587 - Username:
[email protected] - Password:
israelagro@123
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2880-136-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla -
Disables Task Manager via registry modification
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Drops file in Drivers directory 1 IoCs
Processes:
RegSvcs.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
3582133.exedescription pid process target process PID 4092 set thread context of 2880 4092 3582133.exe RegSvcs.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1796 2880 WerFault.exe RegSvcs.exe -
Modifies registry key 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 2880 RegSvcs.exe 2880 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 2880 RegSvcs.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
3582133.exeRegSvcs.exedescription pid process target process PID 4092 wrote to memory of 2880 4092 3582133.exe RegSvcs.exe PID 4092 wrote to memory of 2880 4092 3582133.exe RegSvcs.exe PID 4092 wrote to memory of 2880 4092 3582133.exe RegSvcs.exe PID 4092 wrote to memory of 2880 4092 3582133.exe RegSvcs.exe PID 4092 wrote to memory of 2880 4092 3582133.exe RegSvcs.exe PID 4092 wrote to memory of 2880 4092 3582133.exe RegSvcs.exe PID 4092 wrote to memory of 2880 4092 3582133.exe RegSvcs.exe PID 4092 wrote to memory of 2880 4092 3582133.exe RegSvcs.exe PID 2880 wrote to memory of 4980 2880 RegSvcs.exe REG.exe PID 2880 wrote to memory of 4980 2880 RegSvcs.exe REG.exe PID 2880 wrote to memory of 4980 2880 RegSvcs.exe REG.exe PID 2880 wrote to memory of 4548 2880 RegSvcs.exe netsh.exe PID 2880 wrote to memory of 4548 2880 RegSvcs.exe netsh.exe PID 2880 wrote to memory of 4548 2880 RegSvcs.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3582133.exe"C:\Users\Admin\AppData\Local\Temp\3582133.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\REG.exeREG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f3⤵
- Modifies registry key
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 15923⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2880 -ip 28801⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/2880-135-0x0000000000000000-mapping.dmp
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memory/2880-136-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2880-137-0x0000000005D70000-0x0000000005DD6000-memory.dmpFilesize
408KB
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memory/2880-140-0x0000000001590000-0x00000000015E0000-memory.dmpFilesize
320KB
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memory/4092-130-0x00000000009E0000-0x0000000000A5A000-memory.dmpFilesize
488KB
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memory/4092-131-0x0000000005AD0000-0x0000000006074000-memory.dmpFilesize
5.6MB
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memory/4092-132-0x00000000053F0000-0x0000000005482000-memory.dmpFilesize
584KB
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memory/4092-133-0x00000000054A0000-0x00000000054AA000-memory.dmpFilesize
40KB
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memory/4092-134-0x0000000006180000-0x000000000621C000-memory.dmpFilesize
624KB
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memory/4548-139-0x0000000000000000-mapping.dmp
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memory/4980-138-0x0000000000000000-mapping.dmp