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Analysis
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max time kernel
105s -
max time network
106s -
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, 05:21
Static task
static1
Behavioral task
behavioral1
Sample
Jia Run-Full_Appointment_Letter_JRP-252432-1.pdf.exe
Resource
win7-20240903-en
General
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Target
Jia Run-Full_Appointment_Letter_JRP-252432-1.pdf.exe
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Size
1.2MB
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MD5
0d36d52388f8b51c35caae7a95712b92
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SHA1
5cbb80d221bab6bb93f6295607227fbbc41a74ec
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SHA256
f69aca32b7e5338942443c0d39eaf35da210360ebc4faa4644c380e5b3573a93
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SHA512
c3a0248522e7c69a704f291f1cd2946567495ada29c54dc69c2574896bfa15932866def123768a00995c6dc4c9bd7c18a1b41764de8f50e0ecbc9efbad638c39
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SSDEEP
24576:ffmMv6Ckr7Mny5QLowVW9IXtPa6Nyf1Drg5iQr1:f3v+7/5QLowsmyfBr3s1
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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 14 api.ipify.org 15 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4420 set thread context of 4016 4420 Jia Run-Full_Appointment_Letter_JRP-252432-1.pdf.exe 86 -
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 2 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 Jia Run-Full_Appointment_Letter_JRP-252432-1.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4016 RegSvcs.exe 4016 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4420 Jia Run-Full_Appointment_Letter_JRP-252432-1.pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4016 RegSvcs.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4420 wrote to memory of 4016 4420 Jia Run-Full_Appointment_Letter_JRP-252432-1.pdf.exe 86 PID 4420 wrote to memory of 4016 4420 Jia Run-Full_Appointment_Letter_JRP-252432-1.pdf.exe 86 PID 4420 wrote to memory of 4016 4420 Jia Run-Full_Appointment_Letter_JRP-252432-1.pdf.exe 86 PID 4420 wrote to memory of 4016 4420 Jia Run-Full_Appointment_Letter_JRP-252432-1.pdf.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\Jia Run-Full_Appointment_Letter_JRP-252432-1.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Jia Run-Full_Appointment_Letter_JRP-252432-1.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4420 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\Jia Run-Full_Appointment_Letter_JRP-252432-1.pdf.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4016
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