Analysis
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max time kernel
134s -
max time network
136s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
04-10-2024 13:37
Static task
static1
Behavioral task
behavioral1
Sample
7f3c2473d1e6.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
7f3c2473d1e6.exe
Resource
win7-20240903-en
Behavioral task
behavioral3
Sample
7f3c2473d1e6.exe
Resource
win10v2004-20240802-en
General
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Target
7f3c2473d1e6.exe
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Size
550KB
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MD5
33f127e35338687a1a64f67fa6ed3b9a
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SHA1
672dc4d194a5ffe2fd5c23b411bca7b99647ebd2
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SHA256
60bd16249ed2f24c98380920cb581f447a806541827d4eb2a5c1e889b9379c30
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SHA512
c50878d3cb82e12384f1a1c214d9bec19dc7e0e54285336261837a4c92aa42fd9068ec27c6d0361e60935b097a59d3262c4295c6660eaabb57503e4a2f82b4c8
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SSDEEP
12288:2oAw4Cr0G0187LxGraRAGxKUPbKslF3jt4njxZP:2ebj0SX8rvslFzwFJ
Malware Config
Extracted
vidar
http://proxy.johnmccrea.com/
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0
Extracted
lumma
Extracted
lumma
https://clearancek.site/api
https://mobbipenju.store/api
https://eaglepawnoy.store/api
https://dissapoiznw.store/api
https://studennotediw.store/api
https://bathdoomgaz.store/api
https://spirittunek.store/api
Signatures
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Detect Vidar Stealer 13 IoCs
resource yara_rule behavioral1/memory/696-1-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/696-3-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/696-6-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/696-7-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/696-8-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/696-25-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/696-26-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/696-35-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/696-56-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/696-57-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/696-64-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/696-65-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/696-77-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 488 FIDAFCAFCB.exe -
Loads dropped DLL 2 IoCs
pid Process 696 MSBuild.exe 696 MSBuild.exe -
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4656 set thread context of 696 4656 7f3c2473d1e6.exe 73 PID 488 set thread context of 4952 488 FIDAFCAFCB.exe 79 -
Program crash 2 IoCs
pid pid_target Process procid_target 2024 4656 WerFault.exe 72 652 488 WerFault.exe 77 -
System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language FIDAFCAFCB.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7f3c2473d1e6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
pid Process 1916 timeout.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 696 MSBuild.exe 696 MSBuild.exe 696 MSBuild.exe 696 MSBuild.exe 696 MSBuild.exe 696 MSBuild.exe 696 MSBuild.exe 696 MSBuild.exe 696 MSBuild.exe 696 MSBuild.exe 696 MSBuild.exe 696 MSBuild.exe 696 MSBuild.exe 696 MSBuild.exe 696 MSBuild.exe 696 MSBuild.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 4656 wrote to memory of 696 4656 7f3c2473d1e6.exe 73 PID 4656 wrote to memory of 696 4656 7f3c2473d1e6.exe 73 PID 4656 wrote to memory of 696 4656 7f3c2473d1e6.exe 73 PID 4656 wrote to memory of 696 4656 7f3c2473d1e6.exe 73 PID 4656 wrote to memory of 696 4656 7f3c2473d1e6.exe 73 PID 4656 wrote to memory of 696 4656 7f3c2473d1e6.exe 73 PID 4656 wrote to memory of 696 4656 7f3c2473d1e6.exe 73 PID 4656 wrote to memory of 696 4656 7f3c2473d1e6.exe 73 PID 4656 wrote to memory of 696 4656 7f3c2473d1e6.exe 73 PID 4656 wrote to memory of 696 4656 7f3c2473d1e6.exe 73 PID 696 wrote to memory of 488 696 MSBuild.exe 77 PID 696 wrote to memory of 488 696 MSBuild.exe 77 PID 696 wrote to memory of 488 696 MSBuild.exe 77 PID 488 wrote to memory of 4952 488 FIDAFCAFCB.exe 79 PID 488 wrote to memory of 4952 488 FIDAFCAFCB.exe 79 PID 488 wrote to memory of 4952 488 FIDAFCAFCB.exe 79 PID 488 wrote to memory of 4952 488 FIDAFCAFCB.exe 79 PID 488 wrote to memory of 4952 488 FIDAFCAFCB.exe 79 PID 488 wrote to memory of 4952 488 FIDAFCAFCB.exe 79 PID 488 wrote to memory of 4952 488 FIDAFCAFCB.exe 79 PID 488 wrote to memory of 4952 488 FIDAFCAFCB.exe 79 PID 488 wrote to memory of 4952 488 FIDAFCAFCB.exe 79 PID 696 wrote to memory of 4696 696 MSBuild.exe 81 PID 696 wrote to memory of 4696 696 MSBuild.exe 81 PID 696 wrote to memory of 4696 696 MSBuild.exe 81 PID 4696 wrote to memory of 1916 4696 cmd.exe 83 PID 4696 wrote to memory of 1916 4696 cmd.exe 83 PID 4696 wrote to memory of 1916 4696 cmd.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\7f3c2473d1e6.exe"C:\Users\Admin\AppData\Local\Temp\7f3c2473d1e6.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4656 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:696 -
C:\ProgramData\FIDAFCAFCB.exe"C:\ProgramData\FIDAFCAFCB.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:488 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"4⤵
- System Location Discovery: System Language Discovery
PID:4952
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 488 -s 2284⤵
- Program crash
PID:652
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\KJEHJKJEBGHJ" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4696 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1916
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 2442⤵
- Program crash
PID:2024
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
518KB
MD56c7d97ae1b013c0b5aba8ca2186fda7e
SHA1505ddef1e6bb7d132615a25c51d7094a7ef1807a
SHA256c68856eee73796bc835c205be54888e3c99caf983dc5d35aedf2981fd41be527
SHA512a8a886494e276dd07f2e497784b84552c03e8b1397dc30c8bfdf720e9c36bd422b9dab339527abff43c46b12e6561154942087a3a3736575c74315d6a5e64df9
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571