Analysis
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max time kernel
79s -
max time network
189s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
04-07-2024 22:34
Static task
static1
Behavioral task
behavioral1
Sample
416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe
Resource
win7-20240419-en
General
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Target
416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe
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Size
4.4MB
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MD5
c5f20b0cb835adff91c281ba3e9995e3
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SHA1
b7edfc4fb9befe9acf241e423741e27d68dfd832
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SHA256
416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b
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SHA512
233587e39de30cfa0a9526fb041f9c9c70a1e7574e8bd8d934f7b795f3eff2a8aa8e98f20a7fcb06f00c85c233461d56bbabb4bba39c1ac4869839e3f0022678
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SSDEEP
49152:e+PcYB/o36ki63Hw4/uzcdl3ne2xAOVmmgZV099snm9pswB0Nq7:tPcYB/y6ki6PnuwT06sajB0Nq7
Malware Config
Extracted
vidar
https://t.me/g067n
https://steamcommunity.com/profiles/76561199707802586
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0
Extracted
lumma
https://civilizzzationo.shop/api
Signatures
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Detect Vidar Stealer 3 IoCs
Processes:
resource yara_rule behavioral2/memory/1368-66-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1368-68-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1368-89-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
KJKFBAFIDA.exepid process 672 KJKFBAFIDA.exe -
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 cryptocurrency files/wallets, 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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Suspicious use of SetThreadContext 2 IoCs
Processes:
416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exeKJKFBAFIDA.exedescription pid process target process PID 1388 set thread context of 1368 1388 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe PID 672 set thread context of 4188 672 KJKFBAFIDA.exe RegAsm.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4084 672 WerFault.exe KJKFBAFIDA.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MSBuild.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 5104 timeout.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
MSBuild.exeRegAsm.exepid process 1368 MSBuild.exe 1368 MSBuild.exe 1368 MSBuild.exe 1368 MSBuild.exe 1368 MSBuild.exe 1368 MSBuild.exe 1368 MSBuild.exe 1368 MSBuild.exe 1368 MSBuild.exe 1368 MSBuild.exe 1368 MSBuild.exe 1368 MSBuild.exe 1368 MSBuild.exe 1368 MSBuild.exe 4188 RegAsm.exe 4188 RegAsm.exe 4188 RegAsm.exe 4188 RegAsm.exe 1368 MSBuild.exe 1368 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exedescription pid process Token: SeDebugPrivilege 1388 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe -
Suspicious use of WriteProcessMemory 27 IoCs
Processes:
416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exeMSBuild.exeKJKFBAFIDA.execmd.exedescription pid process target process PID 1388 wrote to memory of 1368 1388 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe PID 1388 wrote to memory of 1368 1388 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe PID 1388 wrote to memory of 1368 1388 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe PID 1388 wrote to memory of 1368 1388 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe PID 1388 wrote to memory of 1368 1388 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe PID 1388 wrote to memory of 1368 1388 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe PID 1388 wrote to memory of 1368 1388 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe PID 1388 wrote to memory of 1368 1388 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe PID 1388 wrote to memory of 1368 1388 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe PID 1368 wrote to memory of 672 1368 MSBuild.exe KJKFBAFIDA.exe PID 1368 wrote to memory of 672 1368 MSBuild.exe KJKFBAFIDA.exe PID 1368 wrote to memory of 672 1368 MSBuild.exe KJKFBAFIDA.exe PID 672 wrote to memory of 4188 672 KJKFBAFIDA.exe RegAsm.exe PID 672 wrote to memory of 4188 672 KJKFBAFIDA.exe RegAsm.exe PID 672 wrote to memory of 4188 672 KJKFBAFIDA.exe RegAsm.exe PID 672 wrote to memory of 4188 672 KJKFBAFIDA.exe RegAsm.exe PID 672 wrote to memory of 4188 672 KJKFBAFIDA.exe RegAsm.exe PID 672 wrote to memory of 4188 672 KJKFBAFIDA.exe RegAsm.exe PID 672 wrote to memory of 4188 672 KJKFBAFIDA.exe RegAsm.exe PID 672 wrote to memory of 4188 672 KJKFBAFIDA.exe RegAsm.exe PID 672 wrote to memory of 4188 672 KJKFBAFIDA.exe RegAsm.exe PID 1368 wrote to memory of 2708 1368 MSBuild.exe cmd.exe PID 1368 wrote to memory of 2708 1368 MSBuild.exe cmd.exe PID 1368 wrote to memory of 2708 1368 MSBuild.exe cmd.exe PID 2708 wrote to memory of 5104 2708 cmd.exe timeout.exe PID 2708 wrote to memory of 5104 2708 cmd.exe timeout.exe PID 2708 wrote to memory of 5104 2708 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe"C:\Users\Admin\AppData\Local\Temp\416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1368 -
C:\ProgramData\KJKFBAFIDA.exe"C:\ProgramData\KJKFBAFIDA.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:672 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- Suspicious behavior: EnumeratesProcesses
PID:4188 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 672 -s 2724⤵
- Program crash
PID:4084 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\KJKJKFCBKKJD" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:2708 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:5104
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
937KB
MD5168c5908924803d268d26965c32a5620
SHA19e0e2dc9c7e931c4ee860c32d83711c433f7b1a3
SHA2562fd72d0d0fbc053a53adee5d9ec6cffde3fb5a3c6ba0c0490e24552b264d5449
SHA512749f0e4da8d6fde35b53e769b0b594c2e63835f970eedc54c8c15889863811b5fb296650ae9f5e255bafdd4b942ad3434a60c48e05f1283820c378d30645f1c1