Analysis
- max time kernel
139s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
05/07/2022, 18:36
General
- Target 080958e3ca9cddb9037f855f4197aa20.exe
- Size 394KB
- Sample220705-w8w3labghj
- SHA256 dd70a47787c8ac3d9b13ce2d25ddae959df0f9fa3e889d4977e35e975a76a548
Malware Config
Extracted
-
vidar
-
53.1
-
1448
-
https://t.me/tg_dailyrunnings
-
https://mastodon.online/@olegf9844g
-
profile_id
1448
Signatures
- Vidar
Vidar is an infostealer based on Arkei stealer.
- suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved
suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved
- suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer
suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer
- Vidar Stealer 3 IoCs
- Loads dropped DLL 3 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses 2FA software files, possible credential harvesting 2 TTPs
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\080958e3ca9cddb9037f855f4197aa20.exe"C:\Users\Admin\AppData\Local\Temp\080958e3ca9cddb9037f855f4197aa20.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
libcurl.dll
mozglue.dll
nss3.dll
memory/992-130-0x0000000000BB8000-0x0000000000BE5000-memory.dmp
memory/992-131-0x00000000027D0000-0x000000000281D000-memory.dmp
memory/992-132-0x0000000000400000-0x0000000000A94000-memory.dmp
memory/992-133-0x0000000060900000-0x0000000060992000-memory.dmp
memory/992-155-0x0000000000BB8000-0x0000000000BE5000-memory.dmp
memory/992-156-0x0000000000400000-0x0000000000A94000-memory.dmp