Analysis
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max time kernel
118s -
max time network
125s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
06-03-2022 22:09
Static task
static1
Behavioral task
behavioral1
Sample
eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe
Resource
win10v2004-en-20220112
General
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Target
eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe
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Size
2.4MB
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MD5
32bef1e15011ae8f2e5b8b0ee40f947a
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SHA1
6dad2a93b9487f0ea6caf96ddb8130fc3023bd7d
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SHA256
eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11
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SHA512
528425df1243b8b8a4f66de94de7d50a31ecb4b4937800e44815ce3a70fe637228de5bcc0c6bf23590d656f77fc749b02b863d9e2417f30c848589fb43ec0167
Malware Config
Signatures
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Darkstealer
Darkstealer is a file grabber, data stealer, and RAT.
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Echelon - DarkStealer Fork 2 IoCs
Payload resembles modified variant of Echelon Stealer called DarkStealer.
Processes:
resource yara_rule behavioral1/memory/1664-62-0x00000000002F0000-0x00000000008C4000-memory.dmp echelon_darkstealer behavioral1/memory/1664-63-0x00000000002F0000-0x00000000008C4000-memory.dmp echelon_darkstealer -
Echelon log file 1 IoCs
Detects a log file produced by Echelon.
Processes:
yara_rule echelon_log_file -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe -
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Wine eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.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:
eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe Key opened \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe Key opened \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe -
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 5 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 9 api.ipify.org 4 api.ipify.org 5 api.ipify.org 6 ip-api.com 8 api.ipify.org -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exepid Process 1664 eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exepid Process 1664 eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe 1664 eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe 1664 eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exedescription pid Process Token: SeDebugPrivilege 1664 eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe -
outlook_office_path 1 IoCs
Processes:
eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe -
outlook_win_path 1 IoCs
Processes:
eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe"C:\Users\Admin\AppData\Local\Temp\eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe"1⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Accesses Microsoft Outlook profiles
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1664