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Analysis
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max time kernel
131s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
29/12/2023, 20:31
General
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Target
033362225cf09b9ae543da265c7d1885.exe
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Size
3.4MB
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MD5
033362225cf09b9ae543da265c7d1885
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SHA1
4d2b95b71dd92277718b54a341ba62b24c95c888
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SHA256
9388288b3a18d968cd47446d545eb63d272bac65c0ad1d490beb389d94d2e9e0
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SHA512
41b858735f309c938db681cd1a974dd47c7ff0fe3286f713ce50d4c7e070e64af26dd9a2dfe59f7a559d4255557d0926406c66996edb819ab466f4527349543e
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SSDEEP
98304:UVrHzZ9ACjcIOrJkqn7lAmpe+oO8XuhAAe9tSys3mm:UVDzZCkcI66qn7lAmlobXuO9tSvf
Malware Config
Signatures
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Darkstealer
Darkstealer is a file grabber, data stealer, and RAT.
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Detects Echelon Stealer payload 3 IoCs
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Echelon
Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.
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Echelon - DarkStealer Fork 3 IoCs
Payload resembles modified variant of Echelon Stealer called DarkStealer.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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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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Themida packer 3 IoCs
Detects Themida, an advanced Windows software protection system.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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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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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Program crash 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\033362225cf09b9ae543da265c7d1885.exe"C:\Users\Admin\AppData\Local\Temp\033362225cf09b9ae543da265c7d1885.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Accesses Microsoft Outlook profiles
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4636 -s 22602⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4636 -ip 46361⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
9.3MB
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Filesize
960KB
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Filesize
960KB
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Filesize
960KB
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Filesize
960KB
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Filesize
960KB
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Filesize
960KB
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Filesize
960KB
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Filesize
960KB
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Filesize
8KB
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Filesize
9.3MB
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Filesize
9.3MB
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Filesize
408KB
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Filesize
9.3MB
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Filesize
960KB
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Filesize
960KB
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Filesize
960KB
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Filesize
960KB
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Filesize
960KB
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Filesize
960KB
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Filesize
624KB
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Filesize
5.6MB
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Filesize
584KB
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Filesize
960KB
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Filesize
9.3MB