Analysis
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max time kernel
53s -
max time network
47s -
platform
windows7_x64 -
resource
win7 -
submitted
24-06-2020 15:07
Static task
static1
Behavioral task
behavioral1
Sample
ENQUIRY.exe
Resource
win7
Behavioral task
behavioral2
Sample
ENQUIRY.exe
Resource
win10v200430
General
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Target
ENQUIRY.exe
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Size
1.3MB
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MD5
b7678d22e54d1c21181a9c4dee044ee9
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SHA1
9c3099c3f24da080cea26ed6bebef8f2f7a0491c
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SHA256
b9457b508677dbfe250a6a41a890d921e9bdcab9c8112bd86837d2eecff05f4b
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SHA512
73325a18a2b63114c4ee1efb8fa32084ad2777190bf9229deb19978a0b1c1a33baaee24c2b2c4bfe0060eaedf427361dbbb2591f7c221e69256916bc95744eb0
Malware Config
Signatures
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Suspicious use of WriteProcessMemory 14 IoCs
Processes:
ENQUIRY.execmd.exedescription pid process target process PID 1068 wrote to memory of 1116 1068 ENQUIRY.exe MSBuild.exe PID 1068 wrote to memory of 1116 1068 ENQUIRY.exe MSBuild.exe PID 1068 wrote to memory of 1116 1068 ENQUIRY.exe MSBuild.exe PID 1068 wrote to memory of 1116 1068 ENQUIRY.exe MSBuild.exe PID 1068 wrote to memory of 1116 1068 ENQUIRY.exe MSBuild.exe PID 1068 wrote to memory of 1116 1068 ENQUIRY.exe MSBuild.exe PID 1068 wrote to memory of 1376 1068 ENQUIRY.exe cmd.exe PID 1068 wrote to memory of 1376 1068 ENQUIRY.exe cmd.exe PID 1068 wrote to memory of 1376 1068 ENQUIRY.exe cmd.exe PID 1068 wrote to memory of 1376 1068 ENQUIRY.exe cmd.exe PID 1376 wrote to memory of 1572 1376 cmd.exe timeout.exe PID 1376 wrote to memory of 1572 1376 cmd.exe timeout.exe PID 1376 wrote to memory of 1572 1376 cmd.exe timeout.exe PID 1376 wrote to memory of 1572 1376 cmd.exe timeout.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
MSBuild.exepid process 1116 MSBuild.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1572 timeout.exe -
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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Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
ENQUIRY.exepid process 1068 ENQUIRY.exe 1068 ENQUIRY.exe 1068 ENQUIRY.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
ENQUIRY.exepid process 1068 ENQUIRY.exe 1068 ENQUIRY.exe 1068 ENQUIRY.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
ENQUIRY.exedescription pid process target process PID 1068 set thread context of 1116 1068 ENQUIRY.exe MSBuild.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1376 cmd.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 1116 MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MSBuild.exepid process 1116 MSBuild.exe 1116 MSBuild.exe -
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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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
Processes
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C:\Users\Admin\AppData\Local\Temp\ENQUIRY.exe"C:\Users\Admin\AppData\Local\Temp\ENQUIRY.exe"1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetThreadContext
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\ENQUIRY.exe"2⤵
- Suspicious use of WriteProcessMemory
- Deletes itself
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C:\Windows\SysWOW64\timeout.exeTimeOut 13⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1116-0-0x0000000000080000-0x00000000000CC000-memory.dmpFilesize
304KB
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memory/1116-1-0x00000000000C6B2E-mapping.dmp
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memory/1116-2-0x0000000000080000-0x00000000000CC000-memory.dmpFilesize
304KB
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memory/1376-7-0x0000000000000000-mapping.dmp
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memory/1572-9-0x0000000000000000-mapping.dmp