Analysis
- max time kernel
101s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
12/04/2023, 17:47
General
- Target 603e0b4083560a933494a6a844ecac4c.exe
- Size 471KB
- Sample230412-wcvjwsfd21
- SHA256 2b999d539dab833c70b1575a767273eafcc880cc95114707215a10b05d4c26d7
Malware Config
Extracted
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vidar
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3.4
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e749025c61b2caca10aa829a9e1a65a1
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https://steamcommunity.com/profiles/76561199494593681
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https://t.me/auftriebs
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profile_id_v2
e749025c61b2caca10aa829a9e1a65a1
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user_agent
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:105.0) Gecko/20100101 Firefox/105.0
Extracted
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laplas
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http://185.106.92.74
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api_key
bc2dceabe69fa26dbf4dd8295d65e03e1990633a88c1c8410825c9266b239396
Signatures
- Laplas Clipper
Laplas is a crypto wallet stealer with three variants written in Golang, C#, and C++.
- Vidar
Vidar is an infostealer based on Arkei stealer.
- Downloads MZ/PE file
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 2 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Accesses 2FA software files, possible credential harvesting 2 TTPs
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\603e0b4083560a933494a6a844ecac4c.exe"C:\Users\Admin\AppData\Local\Temp\603e0b4083560a933494a6a844ecac4c.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\ProgramData\21383968234722906166.exe"C:\ProgramData\21383968234722906166.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\21383968234722906166.exe3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵
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C:\ProgramData\81461323488982684269.exe"C:\ProgramData\81461323488982684269.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\603e0b4083560a933494a6a844ecac4c.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4208 -s 20762⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4208 -ip 42081⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
21383968234722906166.exe
21383968234722906166.exe
21383968234722906166.exe
81461323488982684269.exe
81461323488982684269.exe
81461323488982684269.exe
mozglue.dll
nss3.dll
svcservice.exe
svcservice.exe
memory/736-244-0x0000000001330000-0x0000000001331000-memory.dmp
memory/736-243-0x0000000001320000-0x0000000001321000-memory.dmp
memory/736-245-0x00000000002D0000-0x0000000000E0A000-memory.dmp
memory/1688-262-0x0000000000680000-0x00000000011BA000-memory.dmp
memory/1688-261-0x00000000030D0000-0x00000000030D1000-memory.dmp
memory/1688-260-0x00000000030C0000-0x00000000030C1000-memory.dmp
memory/4208-248-0x0000000000400000-0x000000000081A000-memory.dmp
memory/4208-220-0x0000000000400000-0x000000000081A000-memory.dmp
memory/4208-134-0x0000000000AE0000-0x0000000000B37000-memory.dmp
memory/4208-144-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/5052-230-0x00000000007D0000-0x0000000001633000-memory.dmp
memory/5052-229-0x00000000007D0000-0x0000000001633000-memory.dmp