Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-11-2024 14:09
Static task
static1
Behavioral task
behavioral1
Sample
MVVALIADO-S-REQ-19-0006440ft1x20.exe
Resource
win7-20241010-en
General
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Target
MVVALIADO-S-REQ-19-0006440ft1x20.exe
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Size
1.5MB
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MD5
71d5fa862ccb25961f293701bf906f2a
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SHA1
ec1df45020154d9b8c98d2fc62f469b09d4b8af2
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SHA256
8f878566e3390e97ac715ed0ae3707f18514254fc75fe0c92aafa411de5af202
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SHA512
528e17f8acb21d9d4e3b2e13b4a66493b21718a6dc37f22f83a669e1bea81607a368ac736c22ad3148fb8155319d1c65f58c2d0d66dedfbc712bbf781ddcea7b
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SSDEEP
24576:N5EmXFtKaL4/oFe5T9yyXYfP1ijXdaekMzjc0FFBTsYcxQl/nVcAoBhpDmowj:NPVt/LZeJbInQRaekkj8Ql/nVcF/
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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Drops startup file 1 IoCs
Processes:
pluff.exedescription ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pluff.vbs pluff.exe -
Executes dropped EXE 1 IoCs
Processes:
pluff.exepid Process 936 pluff.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 13 api.ipify.org 14 api.ipify.org -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule behavioral2/files/0x0008000000023c91-5.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
pluff.exedescription pid Process procid_target PID 936 set thread context of 2928 936 pluff.exe 87 -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 4044 936 WerFault.exe 86 -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
MVVALIADO-S-REQ-19-0006440ft1x20.exepluff.exeRegSvcs.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MVVALIADO-S-REQ-19-0006440ft1x20.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language pluff.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid Process 2928 RegSvcs.exe 2928 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
pluff.exepid Process 936 pluff.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid Process Token: SeDebugPrivilege 2928 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
Processes:
MVVALIADO-S-REQ-19-0006440ft1x20.exepluff.exepid Process 216 MVVALIADO-S-REQ-19-0006440ft1x20.exe 216 MVVALIADO-S-REQ-19-0006440ft1x20.exe 936 pluff.exe 936 pluff.exe -
Suspicious use of SendNotifyMessage 4 IoCs
Processes:
MVVALIADO-S-REQ-19-0006440ft1x20.exepluff.exepid Process 216 MVVALIADO-S-REQ-19-0006440ft1x20.exe 216 MVVALIADO-S-REQ-19-0006440ft1x20.exe 936 pluff.exe 936 pluff.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
MVVALIADO-S-REQ-19-0006440ft1x20.exepluff.exedescription pid Process procid_target PID 216 wrote to memory of 936 216 MVVALIADO-S-REQ-19-0006440ft1x20.exe 86 PID 216 wrote to memory of 936 216 MVVALIADO-S-REQ-19-0006440ft1x20.exe 86 PID 216 wrote to memory of 936 216 MVVALIADO-S-REQ-19-0006440ft1x20.exe 86 PID 936 wrote to memory of 2928 936 pluff.exe 87 PID 936 wrote to memory of 2928 936 pluff.exe 87 PID 936 wrote to memory of 2928 936 pluff.exe 87 PID 936 wrote to memory of 2928 936 pluff.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\MVVALIADO-S-REQ-19-0006440ft1x20.exe"C:\Users\Admin\AppData\Local\Temp\MVVALIADO-S-REQ-19-0006440ft1x20.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:216 -
C:\Users\Admin\AppData\Local\prespecialist\pluff.exe"C:\Users\Admin\AppData\Local\Temp\MVVALIADO-S-REQ-19-0006440ft1x20.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:936 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\MVVALIADO-S-REQ-19-0006440ft1x20.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2928
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 7043⤵
- Program crash
PID:4044
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 936 -ip 9361⤵PID:2976
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
1.5MB
MD571d5fa862ccb25961f293701bf906f2a
SHA1ec1df45020154d9b8c98d2fc62f469b09d4b8af2
SHA2568f878566e3390e97ac715ed0ae3707f18514254fc75fe0c92aafa411de5af202
SHA512528e17f8acb21d9d4e3b2e13b4a66493b21718a6dc37f22f83a669e1bea81607a368ac736c22ad3148fb8155319d1c65f58c2d0d66dedfbc712bbf781ddcea7b