Analysis
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max time kernel
106s -
max time network
107s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09-10-2024 12:26
Static task
static1
Behavioral task
behavioral1
Sample
ddbe0ed9d7e98d03eb859755074ddd8edb7fa55ecbf40d2564e4c9b4f601cb8d.exe
Resource
win7-20240708-en
General
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Target
ddbe0ed9d7e98d03eb859755074ddd8edb7fa55ecbf40d2564e4c9b4f601cb8d.exe
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Size
1.2MB
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MD5
a8a6b34259911c9e8bea040600547b3c
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SHA1
675de0e7d337d1e8c212f1c9f475ba5a37405290
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SHA256
ddbe0ed9d7e98d03eb859755074ddd8edb7fa55ecbf40d2564e4c9b4f601cb8d
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SHA512
81169ef9c8bff637aa1614a1f8dea0857671415ce134c58d551f07c6400ac399cd82d9694c08284caf7ad1cb12a7305b2a7fa46cb588822d628f3c38cb24a606
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SSDEEP
24576:uRmJkcoQricOIQxiZY1iaCfbsVjXxfkI3a6InNWj+mWY:7JZoQrbTFZY1iaCfMfkVhSJ
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\putrefacient.vbs putrefacient.exe -
Executes dropped EXE 1 IoCs
pid Process 4948 putrefacient.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.
flow ioc 19 api.ipify.org 20 api.ipify.org -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/files/0x0009000000023cb4-5.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4948 set thread context of 676 4948 putrefacient.exe 87 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language putrefacient.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ddbe0ed9d7e98d03eb859755074ddd8edb7fa55ecbf40d2564e4c9b4f601cb8d.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 676 RegSvcs.exe 676 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4948 putrefacient.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 676 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 4468 ddbe0ed9d7e98d03eb859755074ddd8edb7fa55ecbf40d2564e4c9b4f601cb8d.exe 4468 ddbe0ed9d7e98d03eb859755074ddd8edb7fa55ecbf40d2564e4c9b4f601cb8d.exe 4948 putrefacient.exe 4948 putrefacient.exe -
Suspicious use of SendNotifyMessage 4 IoCs
pid Process 4468 ddbe0ed9d7e98d03eb859755074ddd8edb7fa55ecbf40d2564e4c9b4f601cb8d.exe 4468 ddbe0ed9d7e98d03eb859755074ddd8edb7fa55ecbf40d2564e4c9b4f601cb8d.exe 4948 putrefacient.exe 4948 putrefacient.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4468 wrote to memory of 4948 4468 ddbe0ed9d7e98d03eb859755074ddd8edb7fa55ecbf40d2564e4c9b4f601cb8d.exe 86 PID 4468 wrote to memory of 4948 4468 ddbe0ed9d7e98d03eb859755074ddd8edb7fa55ecbf40d2564e4c9b4f601cb8d.exe 86 PID 4468 wrote to memory of 4948 4468 ddbe0ed9d7e98d03eb859755074ddd8edb7fa55ecbf40d2564e4c9b4f601cb8d.exe 86 PID 4948 wrote to memory of 676 4948 putrefacient.exe 87 PID 4948 wrote to memory of 676 4948 putrefacient.exe 87 PID 4948 wrote to memory of 676 4948 putrefacient.exe 87 PID 4948 wrote to memory of 676 4948 putrefacient.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\ddbe0ed9d7e98d03eb859755074ddd8edb7fa55ecbf40d2564e4c9b4f601cb8d.exe"C:\Users\Admin\AppData\Local\Temp\ddbe0ed9d7e98d03eb859755074ddd8edb7fa55ecbf40d2564e4c9b4f601cb8d.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4468 -
C:\Users\Admin\AppData\Local\Lymnaeidae\putrefacient.exe"C:\Users\Admin\AppData\Local\Temp\ddbe0ed9d7e98d03eb859755074ddd8edb7fa55ecbf40d2564e4c9b4f601cb8d.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:4948 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\ddbe0ed9d7e98d03eb859755074ddd8edb7fa55ecbf40d2564e4c9b4f601cb8d.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:676
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.2MB
MD5a8a6b34259911c9e8bea040600547b3c
SHA1675de0e7d337d1e8c212f1c9f475ba5a37405290
SHA256ddbe0ed9d7e98d03eb859755074ddd8edb7fa55ecbf40d2564e4c9b4f601cb8d
SHA51281169ef9c8bff637aa1614a1f8dea0857671415ce134c58d551f07c6400ac399cd82d9694c08284caf7ad1cb12a7305b2a7fa46cb588822d628f3c38cb24a606