Analysis
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max time kernel
4294183s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20220311-en -
submitted
19-03-2022 23:50
General
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Target
b42d6d1177db8c8864097d7b7fdf31490d60c5d29b0e6d06937188a1360cb21e.exe
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Size
2.4MB
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MD5
00b6ffe300f9e53ecf04c746cc21009c
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SHA1
533949203f4a9376defe1d7b1fffbaf9e04fcca8
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SHA256
b42d6d1177db8c8864097d7b7fdf31490d60c5d29b0e6d06937188a1360cb21e
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SHA512
b599f10372d67fd9b84c47dd13053937384d834dbf9ed5fe0fb60e180c42b5dab61ef7768fc9e6380ae9ddea7c40fb22d18ae0a75bd9afe474323bc9c140eca2
Malware Config
Signatures
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Echelon
Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.
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Echelon log file 1 IoCs
Detects a log file produced by Echelon.
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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.
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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.
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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
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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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Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs
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Program crash 1 IoCs
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Suspicious behavior: EnumeratesProcesses 13 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 4 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\b42d6d1177db8c8864097d7b7fdf31490d60c5d29b0e6d06937188a1360cb21e.exe"C:\Users\Admin\AppData\Local\Temp\b42d6d1177db8c8864097d7b7fdf31490d60c5d29b0e6d06937188a1360cb21e.exe"1⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Accesses Microsoft Outlook profiles
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 11602⤵
- Program crash
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
8KB
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Filesize
6.4MB
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Filesize
6.4MB
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Filesize
1.5MB
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Filesize
44KB
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Filesize
296KB
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Filesize
36KB
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Filesize
6.9MB
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Filesize
6.9MB
-
Filesize
6.9MB
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Filesize
524KB
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
960KB
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Filesize
816KB
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Filesize
512KB
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Filesize
4KB
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Filesize
68KB
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Filesize
1.1MB
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Filesize
4KB
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Filesize
92KB
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Filesize
328KB
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Filesize
52KB
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Filesize
352KB
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Filesize
156KB