Analysis
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max time kernel
137s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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 17 api.ipify.org 18 api.ipify.org 20 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Inv240521# PTYR (BC24-05) BL COPY_PDF.exedescription pid process target process PID 1504 set thread context of 4080 1504 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 4080 RegSvcs.exe 4080 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
Inv240521# PTYR (BC24-05) BL COPY_PDF.exepid process 1504 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe 1504 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 4080 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
Inv240521# PTYR (BC24-05) BL COPY_PDF.exepid process 1504 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe 1504 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe 1504 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
Inv240521# PTYR (BC24-05) BL COPY_PDF.exepid process 1504 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe 1504 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe 1504 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegSvcs.exepid process 4080 RegSvcs.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
Inv240521# PTYR (BC24-05) BL COPY_PDF.exedescription pid process target process PID 1504 wrote to memory of 4080 1504 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe RegSvcs.exe PID 1504 wrote to memory of 4080 1504 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe RegSvcs.exe PID 1504 wrote to memory of 4080 1504 Inv240521# PTYR (BC24-05) BL COPY_PDF.exe RegSvcs.exe PID 1504 wrote to memory of 4080 1504 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
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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
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1344 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1504-10-0x0000000000B30000-0x0000000000B34000-memory.dmpFilesize
16KB
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memory/4080-11-0x0000000000730000-0x0000000000772000-memory.dmpFilesize
264KB
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memory/4080-12-0x00000000750AE000-0x00000000750AF000-memory.dmpFilesize
4KB
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memory/4080-13-0x00000000053B0000-0x0000000005954000-memory.dmpFilesize
5.6MB
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memory/4080-14-0x00000000750A0000-0x0000000075850000-memory.dmpFilesize
7.7MB
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memory/4080-15-0x0000000004F00000-0x0000000004F66000-memory.dmpFilesize
408KB
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memory/4080-16-0x0000000006370000-0x00000000063C0000-memory.dmpFilesize
320KB
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memory/4080-17-0x0000000006460000-0x00000000064F2000-memory.dmpFilesize
584KB
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memory/4080-18-0x00000000063F0000-0x00000000063FA000-memory.dmpFilesize
40KB
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memory/4080-19-0x00000000750AE000-0x00000000750AF000-memory.dmpFilesize
4KB
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memory/4080-20-0x00000000750A0000-0x0000000075850000-memory.dmpFilesize
7.7MB