Analysis
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max time kernel
141s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
04/07/2023, 14:07
Static task
static1
Behavioral task
behavioral1
Sample
shippingdocumentsPO4thcon.exe
Resource
win7-20230703-en
Behavioral task
behavioral2
Sample
shippingdocumentsPO4thcon.exe
Resource
win10v2004-20230703-en
General
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Target
shippingdocumentsPO4thcon.exe
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Size
488KB
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MD5
b5790577b0b5569b7deca9fbdb7c800a
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SHA1
b60b70ac5c3a14ba1e3cfd919050db6756711bcf
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SHA256
2be1be21688128f7fc05cdcfab69adc794d39910af884a9e63f920e415dc1657
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SHA512
b7efd9dae680bb3137bf68a6aabd9f3486776d9bfbf8c9ef31192bf6183685e7a7839047adb8153eaa609ea7dc5b78776ee745c699ce5579bcf2f982bf7af144
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SSDEEP
12288:HjvBe0cK1r1Jj1dSrCLh84IBKLOsiBPHW41M5:Hte0cyj7fh84M2OHfY
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot6152671361:AAFL6hvnVRgXVOmTmyt-OBqBcWIytTVfN9M/
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 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\anydesk.exe.exe Powershell.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\anydesk.exe.exe Powershell.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 shippingdocumentsPO4thcon.exe Key opened \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 shippingdocumentsPO4thcon.exe Key opened \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 shippingdocumentsPO4thcon.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 18 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5116 set thread context of 2688 5116 shippingdocumentsPO4thcon.exe 89 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2624 Powershell.exe 2624 Powershell.exe 5116 shippingdocumentsPO4thcon.exe 5116 shippingdocumentsPO4thcon.exe 2688 shippingdocumentsPO4thcon.exe 2688 shippingdocumentsPO4thcon.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2624 Powershell.exe Token: SeDebugPrivilege 5116 shippingdocumentsPO4thcon.exe Token: SeDebugPrivilege 2688 shippingdocumentsPO4thcon.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2688 shippingdocumentsPO4thcon.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 5116 wrote to memory of 2624 5116 shippingdocumentsPO4thcon.exe 84 PID 5116 wrote to memory of 2624 5116 shippingdocumentsPO4thcon.exe 84 PID 5116 wrote to memory of 2624 5116 shippingdocumentsPO4thcon.exe 84 PID 5116 wrote to memory of 4952 5116 shippingdocumentsPO4thcon.exe 88 PID 5116 wrote to memory of 4952 5116 shippingdocumentsPO4thcon.exe 88 PID 5116 wrote to memory of 4952 5116 shippingdocumentsPO4thcon.exe 88 PID 5116 wrote to memory of 2688 5116 shippingdocumentsPO4thcon.exe 89 PID 5116 wrote to memory of 2688 5116 shippingdocumentsPO4thcon.exe 89 PID 5116 wrote to memory of 2688 5116 shippingdocumentsPO4thcon.exe 89 PID 5116 wrote to memory of 2688 5116 shippingdocumentsPO4thcon.exe 89 PID 5116 wrote to memory of 2688 5116 shippingdocumentsPO4thcon.exe 89 PID 5116 wrote to memory of 2688 5116 shippingdocumentsPO4thcon.exe 89 PID 5116 wrote to memory of 2688 5116 shippingdocumentsPO4thcon.exe 89 PID 5116 wrote to memory of 2688 5116 shippingdocumentsPO4thcon.exe 89 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 shippingdocumentsPO4thcon.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 shippingdocumentsPO4thcon.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\shippingdocumentsPO4thcon.exe"C:\Users\Admin\AppData\Local\Temp\shippingdocumentsPO4thcon.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5116 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\shippingdocumentsPO4thcon.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\anydesk.exe.exe'2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2624
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C:\Users\Admin\AppData\Local\Temp\shippingdocumentsPO4thcon.exe"C:\Users\Admin\AppData\Local\Temp\shippingdocumentsPO4thcon.exe"2⤵PID:4952
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C:\Users\Admin\AppData\Local\Temp\shippingdocumentsPO4thcon.exe"C:\Users\Admin\AppData\Local\Temp\shippingdocumentsPO4thcon.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2688
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5fb48e160ad99a056cb5502632c82c402
SHA1e51bd74b1da051115245d03ad325fad2affa0c7d
SHA256b98b48bac31d64a426f4fefd46aba5a23812a5518d00774a3d04fdf872d2ebd4
SHA5125b7cac873a341e4fa0233f2aad686718369d6a59af539354ec3cc3a146a26a16973df62bbd276465e81e104c68cd7af3f72c012536e6bf677c6bd5afb4c90822
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82