Analysis
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max time kernel
141s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 02:09
Static task
static1
Behavioral task
behavioral1
Sample
BANK DETAILS.exe
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
BANK DETAILS.exe
Resource
win10v2004-20220414-en
windows10-2004_x64
0 signatures
0 seconds
General
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Target
BANK DETAILS.exe
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Size
414KB
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MD5
e31fab9d8d4a78dd347a2386bb32349f
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SHA1
c9ca9f887d9d6e9de29201e203defd6bb62458c9
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SHA256
786be13603b06cce80fac1349c514e29ecd2664a51f045bc5446d2f9647087ec
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SHA512
3b3cd86d0067872b0375452020ecc2e3c6a9fb34a6ec741077ae5d680494b4c96fee890c57edb4cf828cb57e035ef6f0ed6683ef8c94fb1405647e10daf8ca59
Malware Config
Extracted
Family
agenttesla
Credentials
Protocol: smtp- Host:
mail.pptoursperu.com - Port:
587 - Username:
[email protected] - Password:
mailppt2019-
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/4688-136-0x0000000000400000-0x0000000000450000-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\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 Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
BANK DETAILS.exedescription pid process target process PID 5060 set thread context of 4688 5060 BANK DETAILS.exe RegSvcs.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2772 4688 WerFault.exe RegSvcs.exe -
Modifies registry key 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 4688 RegSvcs.exe 4688 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 4688 RegSvcs.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
BANK DETAILS.exeRegSvcs.exedescription pid process target process PID 5060 wrote to memory of 4688 5060 BANK DETAILS.exe RegSvcs.exe PID 5060 wrote to memory of 4688 5060 BANK DETAILS.exe RegSvcs.exe PID 5060 wrote to memory of 4688 5060 BANK DETAILS.exe RegSvcs.exe PID 5060 wrote to memory of 4688 5060 BANK DETAILS.exe RegSvcs.exe PID 5060 wrote to memory of 4688 5060 BANK DETAILS.exe RegSvcs.exe PID 5060 wrote to memory of 4688 5060 BANK DETAILS.exe RegSvcs.exe PID 5060 wrote to memory of 4688 5060 BANK DETAILS.exe RegSvcs.exe PID 5060 wrote to memory of 4688 5060 BANK DETAILS.exe RegSvcs.exe PID 4688 wrote to memory of 3000 4688 RegSvcs.exe REG.exe PID 4688 wrote to memory of 3000 4688 RegSvcs.exe REG.exe PID 4688 wrote to memory of 3000 4688 RegSvcs.exe REG.exe PID 4688 wrote to memory of 4816 4688 RegSvcs.exe netsh.exe PID 4688 wrote to memory of 4816 4688 RegSvcs.exe netsh.exe PID 4688 wrote to memory of 4816 4688 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\BANK DETAILS.exe"C:\Users\Admin\AppData\Local\Temp\BANK DETAILS.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5060 -
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
PID:4688 -
C:\Windows\SysWOW64\REG.exeREG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f3⤵
- Modifies registry key
PID:3000
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:4816
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 12763⤵
- Program crash
PID:2772
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4688 -ip 46881⤵PID:5064