Analysis
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max time kernel
94s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
25-06-2022 21:45
General
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Target
37e9a0eba3c734e5794c2b745eeb0cb8407720f4cb5db6d5ec4f3fa8fb660e10.exe
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Size
3.6MB
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MD5
62dd160627b4ab323aa2625e1b531a78
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SHA1
3fe982cbaf1401761d2a39a421612463d04318f9
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SHA256
37e9a0eba3c734e5794c2b745eeb0cb8407720f4cb5db6d5ec4f3fa8fb660e10
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SHA512
e502511ad7f3eef5af2112776fb15b2162c05fcd44715cc9fc249515fa1aa58ea14f87d6029572d9026d21b68d37911c8f88d831443b07f15eb5f714a798223d
Malware Config
Extracted
vidar
9.6
231
http://iloveshaus.com/
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profile_id
231
Signatures
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Vidar
Vidar is an infostealer based on Arkei stealer.
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suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
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Vidar Stealer 2 IoCs
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Executes dropped EXE 2 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 local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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 2FA software files, 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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in Program Files directory 4 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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Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
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Enumerates system info in registry 2 TTPs 3 IoCs
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Suspicious behavior: EnumeratesProcesses 8 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\37e9a0eba3c734e5794c2b745eeb0cb8407720f4cb5db6d5ec4f3fa8fb660e10.exe"C:\Users\Admin\AppData\Local\Temp\37e9a0eba3c734e5794c2b745eeb0cb8407720f4cb5db6d5ec4f3fa8fb660e10.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\LetsSee!\busshost.exe"C:\Program Files (x86)\LetsSee!\busshost.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Program Files (x86)\LetsSee!\YTLoader.exe"C:\Program Files (x86)\LetsSee!\YTLoader.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 16163⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4640 -ip 46401⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.0MB
MD5adc9db2753fa3daa6a8156254ba2a5f1
SHA150ff27e2e1c4acc35768b93b73c03f7630027f04
SHA256f8cc40321301d39f03eaa48d42cbbb2e953b694dc13ccf9d986032c621223fde
SHA5125f7fca8da622035f3a83e562d727ccdd842d623ec376f93c75c3218bddd970c34a9efc66a33cfd6e52a398fa2ed090b890d05aecef53f65a22917d50d31a1195
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Filesize
3.0MB
MD5adc9db2753fa3daa6a8156254ba2a5f1
SHA150ff27e2e1c4acc35768b93b73c03f7630027f04
SHA256f8cc40321301d39f03eaa48d42cbbb2e953b694dc13ccf9d986032c621223fde
SHA5125f7fca8da622035f3a83e562d727ccdd842d623ec376f93c75c3218bddd970c34a9efc66a33cfd6e52a398fa2ed090b890d05aecef53f65a22917d50d31a1195
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Filesize
603KB
MD53434a305576232a06f840f56cab88302
SHA10df43ac91c316fa72567dff53c3c5144c49be59b
SHA256c1380790d4d476e4336265ef17738757ea70f88ae0f17e997b6cb15268b13909
SHA512caf89a43ce1c9eb855300bc8c582fcc6b77be9fa89ae7a171fe547e94b81eefed11e7a9c3d1939969b91f9f4d8c343b19a14494dd806e91c048d526d0a08c8d9
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Filesize
603KB
MD53434a305576232a06f840f56cab88302
SHA10df43ac91c316fa72567dff53c3c5144c49be59b
SHA256c1380790d4d476e4336265ef17738757ea70f88ae0f17e997b6cb15268b13909
SHA512caf89a43ce1c9eb855300bc8c582fcc6b77be9fa89ae7a171fe547e94b81eefed11e7a9c3d1939969b91f9f4d8c343b19a14494dd806e91c048d526d0a08c8d9
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Filesize
908KB
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Filesize
1024KB
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Filesize
1024KB
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Filesize
908KB
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Filesize
32KB
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Filesize
32KB
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Filesize
32KB
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Filesize
32KB
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Filesize
32KB
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Filesize
32KB
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Filesize
32KB
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Filesize
40KB
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Filesize
3.0MB