Analysis
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max time kernel
142s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
07/07/2023, 08:20
Static task
static1
Behavioral task
behavioral1
Sample
SHIPPING DOCUMENT.exe
Resource
win7-20230703-en
Behavioral task
behavioral2
Sample
SHIPPING DOCUMENT.exe
Resource
win10v2004-20230703-en
General
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Target
SHIPPING DOCUMENT.exe
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Size
304KB
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MD5
55e427eeb55dcdd1f8f9c28ecb7c1645
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SHA1
59aaf8d4aa1ff5d3860b85ef9c292143dda2031a
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SHA256
2a6df4ce52a6d75e94e0e70e4892db53106458bbe3a18efcadfd2150bab937f4
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SHA512
db7a58a28f6fb4ae5ec3f4b7755f9d7645b84ce53f749593d368d351e28ed3b73951dbf4d78e75d07078ebe35e9a3173776be8742eea9d74fca317c0482552e0
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SSDEEP
6144:/Ya6PNXzgewyJ46TVKISoft6h53zzXb8NIGDrgqjWqV49HAa:/Y9mI4YVJe3zKIoUqjxha
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Loads dropped DLL 1 IoCs
pid Process 4392 SHIPPING DOCUMENT.exe -
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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SHIPPING DOCUMENT.exe Key opened \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SHIPPING DOCUMENT.exe Key opened \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SHIPPING DOCUMENT.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ycdwx = "C:\\Users\\Admin\\AppData\\Roaming\\Ycdwx\\Ycdwx.exe" SHIPPING DOCUMENT.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 25 api.ipify.org 26 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4392 set thread context of 1916 4392 SHIPPING DOCUMENT.exe 85 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1916 SHIPPING DOCUMENT.exe 1916 SHIPPING DOCUMENT.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4392 SHIPPING DOCUMENT.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1916 SHIPPING DOCUMENT.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4392 wrote to memory of 1916 4392 SHIPPING DOCUMENT.exe 85 PID 4392 wrote to memory of 1916 4392 SHIPPING DOCUMENT.exe 85 PID 4392 wrote to memory of 1916 4392 SHIPPING DOCUMENT.exe 85 PID 4392 wrote to memory of 1916 4392 SHIPPING DOCUMENT.exe 85 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SHIPPING DOCUMENT.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SHIPPING DOCUMENT.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4392 -
C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1916
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
88KB
MD5afbc1f6d2ef8f6eef984f822298e1916
SHA1d8b93398f68ab668ec4bc900754078ecf5a9c2d4
SHA25622b5060c41b75b72a3c90783e6d600b079dcd3234b37c05b6c93e08fd8af4140
SHA512840f319942dd869e8b284299f2318a581ae4cdc6054ed3176a8937dcb67fa76a86ba6f21e9c219aa5d4e3c57049106c6dcd4bbe445173e77021b62124a14c819