Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
23-05-2024 02:23
Static task
static1
Behavioral task
behavioral1
Sample
Inv240521# PTYR (BC24-05) BL COPY_PDF.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Inv240521# PTYR (BC24-05) BL COPY_PDF.exe
Resource
win10v2004-20240226-en
General
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Target
Inv240521# PTYR (BC24-05) BL COPY_PDF.exe
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Size
1009KB
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MD5
9b450594b985d865f7fd3043a14b7b8e
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SHA1
69888184c00ddcae7b6a13e97bd91f8bf879922b
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SHA256
4de7625d54b60786d2e5fb6aa9d8401a6341534907dbbf5349150d0a1d5027a5
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SHA512
5d344da7a60c3de08b09f0ae7192b8711ed0f89f68d254e9eb0597c8ee4e41f1431278067a85f7ad82b67c8bdbaab20c93598e8884e0ae90f94569aba199589d
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SSDEEP
24576:EAHnh+eWsN3skA4RV1Hom2KXMmHaZxjx1iT5:Th+ZkldoPK8YaZY
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.window10server.com - Port:
587 - Username:
[email protected] - Password:
Inqf2NK2STHzDz6 - 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 up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 6 ip-api.com 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Inv240521# PTYR (BC24-05) BL COPY_PDF.exedescription pid process target process PID 2100 set thread context of 2364 2100 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 2364 RegSvcs.exe 2364 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
Inv240521# PTYR (BC24-05) BL COPY_PDF.exepid process 2100 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe 2100 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 2364 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
Inv240521# PTYR (BC24-05) BL COPY_PDF.exepid process 2100 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe 2100 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
Inv240521# PTYR (BC24-05) BL COPY_PDF.exepid process 2100 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe 2100 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegSvcs.exepid process 2364 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Inv240521# PTYR (BC24-05) BL COPY_PDF.exedescription pid process target process PID 2100 wrote to memory of 2364 2100 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe RegSvcs.exe PID 2100 wrote to memory of 2364 2100 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe RegSvcs.exe PID 2100 wrote to memory of 2364 2100 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe RegSvcs.exe PID 2100 wrote to memory of 2364 2100 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe RegSvcs.exe PID 2100 wrote to memory of 2364 2100 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe RegSvcs.exe PID 2100 wrote to memory of 2364 2100 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe RegSvcs.exe PID 2100 wrote to memory of 2364 2100 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe RegSvcs.exe PID 2100 wrote to memory of 2364 2100 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Inv240521# PTYR (BC24-05) BL COPY_PDF.exe"C:\Users\Admin\AppData\Local\Temp\Inv240521# PTYR (BC24-05) BL COPY_PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\Inv240521# PTYR (BC24-05) BL COPY_PDF.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2364
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