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Analysis
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max time kernel
141s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
06/06/2024, 00:27
Static task
static1
Behavioral task
behavioral1
Sample
invoice copy.pdf.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
invoice copy.pdf.exe
Resource
win10v2004-20240508-en
General
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Target
invoice copy.pdf.exe
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Size
681KB
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MD5
8a627edde43c47a592b9f4c9f29f489a
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SHA1
74f0491f86065a952ad14d19ceb3b59528289af6
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SHA256
7200b362dfb336483d716fbbd84930894e5c8c28acd6a2ceff2b5da5cd3894fc
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SHA512
a860d208aaf8ea9f15c41170aba13a9e8a08d972c7bad0251bd53a5cb0cbbb162578b11806a92a9a6f1dea6a44061c3ed1e6166aa0f1d50c87c3e177c3189921
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SSDEEP
12288:LjBQofmNv8Y2hdFXsnlnOde3+JGDXwLZT0ldgyZbCmlAjt:xQZb8VCr3+EgedF3A5
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 6 IoCs
resource yara_rule behavioral2/memory/3488-7-0x0000000000400000-0x0000000000484000-memory.dmp family_agenttesla behavioral2/memory/3488-11-0x0000000000730000-0x000000000076C000-memory.dmp family_agenttesla behavioral2/memory/3488-12-0x0000000000400000-0x0000000000484000-memory.dmp family_agenttesla behavioral2/memory/3488-10-0x0000000000730000-0x000000000076C000-memory.dmp family_agenttesla behavioral2/memory/3488-9-0x0000000000400000-0x0000000000484000-memory.dmp family_agenttesla behavioral2/memory/3488-23-0x0000000000400000-0x0000000000484000-memory.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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resource yara_rule behavioral2/memory/3488-7-0x0000000000400000-0x0000000000484000-memory.dmp upx behavioral2/memory/3488-12-0x0000000000400000-0x0000000000484000-memory.dmp upx behavioral2/memory/3488-6-0x0000000000400000-0x0000000000484000-memory.dmp upx behavioral2/memory/3488-4-0x0000000000400000-0x0000000000484000-memory.dmp upx behavioral2/memory/3488-9-0x0000000000400000-0x0000000000484000-memory.dmp upx -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 invoice copy.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 invoice copy.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 invoice copy.pdf.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 46 api.ipify.org 47 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3752 set thread context of 3488 3752 invoice copy.pdf.exe 90 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3752 invoice copy.pdf.exe 3752 invoice copy.pdf.exe 3488 invoice copy.pdf.exe 3488 invoice copy.pdf.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3752 invoice copy.pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3488 invoice copy.pdf.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3752 wrote to memory of 3488 3752 invoice copy.pdf.exe 90 PID 3752 wrote to memory of 3488 3752 invoice copy.pdf.exe 90 PID 3752 wrote to memory of 3488 3752 invoice copy.pdf.exe 90 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 invoice copy.pdf.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 invoice copy.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\invoice copy.pdf.exe"C:\Users\Admin\AppData\Local\Temp\invoice copy.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3752 -
C:\Users\Admin\AppData\Local\Temp\invoice copy.pdf.exe"C:\Users\Admin\AppData\Local\Temp\invoice copy.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3488
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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 --field-trial-handle=4168,i,1697479186275492802,18058102846092193784,262144 --variations-seed-version --mojo-platform-channel-handle=4292 /prefetch:81⤵PID:688