Analysis
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max time kernel
143s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
26-11-2022 11:18
Static task
static1
Behavioral task
behavioral1
Sample
8vP60HbFlryaXUJ.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
8vP60HbFlryaXUJ.exe
Resource
win10v2004-20221111-en
General
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Target
8vP60HbFlryaXUJ.exe
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Size
698KB
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MD5
749dd3529f51598cf860e00ec94c93bd
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SHA1
80c6b3e55d64d6e070b8e365adb4bf2fef48461e
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SHA256
aa03fe484ef1ecfcf467e1940aff0af9ce3ca61329f461eeabcfa58caeaf65fa
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SHA512
b7ff639fa1367840e5694b7e60b1cc35131c27c82b8d489beb0f3b80d14beb0946392c9c4bd24db947c12ca5050b2841cc12017e20d766c402e4d8463d495b35
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SSDEEP
12288:Ga7dddl4MvM08zrbETCl6gIRDPHsAOKu8FX7XCr/uaFzkkFg/IyXCD8Hk5:GaZv1U0876C8gEDH77FXL6maqkFg/IyG
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.mktron.in - Port:
587 - Username:
[email protected] - Password:
VZZUQXTDyMCZ - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
8vP60HbFlryaXUJ.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions 8vP60HbFlryaXUJ.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
8vP60HbFlryaXUJ.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools 8vP60HbFlryaXUJ.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
8vP60HbFlryaXUJ.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 8vP60HbFlryaXUJ.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 8vP60HbFlryaXUJ.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\yGbzOMp = "C:\\Users\\Admin\\AppData\\Roaming\\yGbzOMp\\yGbzOMp.exe" RegSvcs.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
8vP60HbFlryaXUJ.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 8vP60HbFlryaXUJ.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 8vP60HbFlryaXUJ.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
8vP60HbFlryaXUJ.exedescription pid process target process PID 1816 set thread context of 880 1816 8vP60HbFlryaXUJ.exe RegSvcs.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:
8vP60HbFlryaXUJ.exeRegSvcs.exepid process 1816 8vP60HbFlryaXUJ.exe 880 RegSvcs.exe 880 RegSvcs.exe 880 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
8vP60HbFlryaXUJ.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1816 8vP60HbFlryaXUJ.exe Token: SeDebugPrivilege 880 RegSvcs.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
8vP60HbFlryaXUJ.exedescription pid process target process PID 1816 wrote to memory of 780 1816 8vP60HbFlryaXUJ.exe schtasks.exe PID 1816 wrote to memory of 780 1816 8vP60HbFlryaXUJ.exe schtasks.exe PID 1816 wrote to memory of 780 1816 8vP60HbFlryaXUJ.exe schtasks.exe PID 1816 wrote to memory of 780 1816 8vP60HbFlryaXUJ.exe schtasks.exe PID 1816 wrote to memory of 880 1816 8vP60HbFlryaXUJ.exe RegSvcs.exe PID 1816 wrote to memory of 880 1816 8vP60HbFlryaXUJ.exe RegSvcs.exe PID 1816 wrote to memory of 880 1816 8vP60HbFlryaXUJ.exe RegSvcs.exe PID 1816 wrote to memory of 880 1816 8vP60HbFlryaXUJ.exe RegSvcs.exe PID 1816 wrote to memory of 880 1816 8vP60HbFlryaXUJ.exe RegSvcs.exe PID 1816 wrote to memory of 880 1816 8vP60HbFlryaXUJ.exe RegSvcs.exe PID 1816 wrote to memory of 880 1816 8vP60HbFlryaXUJ.exe RegSvcs.exe PID 1816 wrote to memory of 880 1816 8vP60HbFlryaXUJ.exe RegSvcs.exe PID 1816 wrote to memory of 880 1816 8vP60HbFlryaXUJ.exe RegSvcs.exe PID 1816 wrote to memory of 880 1816 8vP60HbFlryaXUJ.exe RegSvcs.exe PID 1816 wrote to memory of 880 1816 8vP60HbFlryaXUJ.exe RegSvcs.exe PID 1816 wrote to memory of 880 1816 8vP60HbFlryaXUJ.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8vP60HbFlryaXUJ.exe"C:\Users\Admin\AppData\Local\Temp\8vP60HbFlryaXUJ.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1816 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\idvuBcNUb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4DF2.tmp"2⤵
- Creates scheduled task(s)
PID:780 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:880
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp4DF2.tmpFilesize
1KB
MD51eb5b8c8ed6f55298777882fab91838f
SHA13eac6815b54f8850f7fda6ff9291be38ff2b2251
SHA2563d64abb16969b10d2739908ff2dab36ad306c5a1b5a924728a5ca3b6def1cd13
SHA512e961e18196afef9cd2102dd1af335efeddbb2f42a413e229412647178b3ef185f2f1cc763a47d3b15a0c4498c57d02a5a79762d11be1e2a2960692b55d295813
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memory/780-59-0x0000000000000000-mapping.dmp
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memory/880-64-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/880-61-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/880-62-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/880-65-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/880-66-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/880-67-0x0000000000437C4E-mapping.dmp
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memory/880-69-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/880-71-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1816-57-0x00000000042E0000-0x0000000004360000-memory.dmpFilesize
512KB
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memory/1816-58-0x0000000000A60000-0x0000000000A9C000-memory.dmpFilesize
240KB
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memory/1816-56-0x0000000000360000-0x0000000000372000-memory.dmpFilesize
72KB
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memory/1816-55-0x00000000756A1000-0x00000000756A3000-memory.dmpFilesize
8KB
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memory/1816-54-0x0000000000E20000-0x0000000000ED4000-memory.dmpFilesize
720KB