Analysis
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max time kernel
142s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
18-01-2024 01:14
Behavioral task
behavioral1
Sample
8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe
Resource
win7-20231215-en
General
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Target
8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe
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Size
592KB
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MD5
52c389a5c951fa6b0c5636ece3b9a4cc
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SHA1
7ea98e6dc3113e1bb7a89a4b8c3f29f770163b68
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SHA256
8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930
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SHA512
6bdbd1dfd21f7db0682972502e632fa006843db79c46265e8199c75f69458ecf6506c3c5b8424d465d004483897056739e2edb73b821205b48a0d7fb6b48f38d
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SSDEEP
12288:gZhhKDNUUA7ZLJLUf9snBS4csPYae6qfzRAA:gZCxUF7hhUF54clNf7RB
Malware Config
Signatures
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Detects Echelon Stealer payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4932-0-0x00000240D69E0000-0x00000240D6A7A000-memory.dmp family_echelon -
Stops running service(s) 3 TTPs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation 8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe -
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
Processes:
8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe Key opened \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe Key opened \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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 10 api.ipify.org 11 api.ipify.org 25 ip-api.com -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 8 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exepid Process 4932 8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe 4932 8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exedescription pid Process Token: SeDebugPrivilege 4932 8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.execmd.exedescription pid Process procid_target PID 4932 wrote to memory of 3396 4932 8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe 89 PID 4932 wrote to memory of 3396 4932 8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe 89 PID 3396 wrote to memory of 8 3396 cmd.exe 92 PID 3396 wrote to memory of 8 3396 cmd.exe 92 -
outlook_office_path 1 IoCs
Processes:
8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe -
outlook_win_path 1 IoCs
Processes:
8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe"C:\Users\Admin\AppData\Local\Temp\8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe"1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4932 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c sc stop "MpsSvc"2⤵
- Suspicious use of WriteProcessMemory
PID:3396 -
C:\Windows\system32\sc.exesc stop "MpsSvc"3⤵
- Launches sc.exe
PID:8
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