Analysis
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max time kernel
148s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
20-03-2022 06:11
General
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Target
be998bee0c372d6f3b93b35ffc71b31f7f708d72ec4999a663162de9d1e23702.exe
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Size
2.3MB
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MD5
33457a5418912781388994b3d6380669
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SHA1
afb62f3fa4d7a5f08066e16160b567842e9321f3
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SHA256
be998bee0c372d6f3b93b35ffc71b31f7f708d72ec4999a663162de9d1e23702
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SHA512
172b1f756c23d9455935f5f1a4e6f060b85485fae6f89a83a077106a5769dc4dbc69c98a119d5e5f9c40c8532dcfda2cafdb70599019bcf1d413d41e853c0844
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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Executes dropped EXE 1 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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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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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of NtSetInformationThreadHideFromDebugger 23 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
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Suspicious behavior: EnumeratesProcesses 19 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 3 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\be998bee0c372d6f3b93b35ffc71b31f7f708d72ec4999a663162de9d1e23702.exe"C:\Users\Admin\AppData\Local\Temp\be998bee0c372d6f3b93b35ffc71b31f7f708d72ec4999a663162de9d1e23702.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Public\Downloads\images.exe"C:\Users\Public\Downloads\images.exe"2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 25883⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2524 -ip 25241⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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MD5
3f7049b2c628eac94f17629f3e7d5830
SHA161ad825e39e19472d06a3080367a858e18187d05
SHA256af6007d4070af7905884ce20a46aaf674edf8e983912ced713575fdd867d6ab7
SHA5126a1f40a580edc535fdf3a0e0ebe32e18b532d316258a709e59ba7fca96699de58fb42ee20e1098df9f832829bc30acb09f1c8ee6c44231dad3892b2d961644ff
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MD5
3f7049b2c628eac94f17629f3e7d5830
SHA161ad825e39e19472d06a3080367a858e18187d05
SHA256af6007d4070af7905884ce20a46aaf674edf8e983912ced713575fdd867d6ab7
SHA5126a1f40a580edc535fdf3a0e0ebe32e18b532d316258a709e59ba7fca96699de58fb42ee20e1098df9f832829bc30acb09f1c8ee6c44231dad3892b2d961644ff
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Filesize
4.0MB
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Filesize
7.7MB
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Filesize
4.0MB
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Filesize
408KB
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Filesize
4KB
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Filesize
5.6MB
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Filesize
8KB
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Filesize
624KB
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Filesize
4KB
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Filesize
584KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
24KB
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Filesize
136KB