Analysis
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max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05-10-2024 01:13
Static task
static1
Behavioral task
behavioral1
Sample
355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a.exe
Resource
win7-20240903-en
General
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Target
355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a.exe
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Size
550KB
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MD5
fe5aab98c1d4e13b92e5a73b5c2a448b
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SHA1
2260938e705f3a1d1b15196459de0fcf054bf10b
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SHA256
355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a
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SHA512
a7a1eb0a4d5113158c758c0903643e2bfe2e2e7a62c043c84934249d54d81fa738d612c6487ee074d1f1c62865a2de81027f0a9de03462bbfa8f66cc47b5ef2c
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SSDEEP
6144:W9cIQA3qOCwyTZqhQrwcMwrRB8zZvblMnlcvLnFYDqb3bEoZBiJaJumkd9H9cbK5:zIQA6LUQlMkBwtBMlcaG3yzHebKJP
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://spirittunek.store/api
https://mobbipenju.store/api
https://eaglepawnoy.store/api
https://dissapoiznw.store/api
https://studennotediw.store/api
https://bathdoomgaz.store/api
Signatures
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Detect Vidar Stealer 15 IoCs
resource yara_rule behavioral2/memory/5048-1-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5048-3-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5048-6-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5048-7-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5048-8-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5048-25-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5048-26-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5048-42-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5048-43-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5048-71-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5048-72-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5048-79-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5048-80-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5048-81-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/5048-100-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 1888 FBKEHJEGCF.exe -
Loads dropped DLL 2 IoCs
pid Process 5048 MSBuild.exe 5048 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 3144 set thread context of 5048 3144 355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a.exe 83 PID 1888 set thread context of 1456 1888 FBKEHJEGCF.exe 93 -
Program crash 2 IoCs
pid pid_target Process procid_target 3656 3144 WerFault.exe 81 3420 1888 WerFault.exe 91 -
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 timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language FBKEHJEGCF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.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 1656 timeout.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 5048 MSBuild.exe 5048 MSBuild.exe 5048 MSBuild.exe 5048 MSBuild.exe 5048 MSBuild.exe 5048 MSBuild.exe 5048 MSBuild.exe 5048 MSBuild.exe -
Suspicious use of WriteProcessMemory 31 IoCs
description pid Process procid_target PID 3144 wrote to memory of 1488 3144 355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a.exe 82 PID 3144 wrote to memory of 1488 3144 355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a.exe 82 PID 3144 wrote to memory of 1488 3144 355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a.exe 82 PID 3144 wrote to memory of 5048 3144 355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a.exe 83 PID 3144 wrote to memory of 5048 3144 355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a.exe 83 PID 3144 wrote to memory of 5048 3144 355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a.exe 83 PID 3144 wrote to memory of 5048 3144 355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a.exe 83 PID 3144 wrote to memory of 5048 3144 355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a.exe 83 PID 3144 wrote to memory of 5048 3144 355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a.exe 83 PID 3144 wrote to memory of 5048 3144 355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a.exe 83 PID 3144 wrote to memory of 5048 3144 355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a.exe 83 PID 3144 wrote to memory of 5048 3144 355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a.exe 83 PID 3144 wrote to memory of 5048 3144 355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a.exe 83 PID 5048 wrote to memory of 1888 5048 MSBuild.exe 91 PID 5048 wrote to memory of 1888 5048 MSBuild.exe 91 PID 5048 wrote to memory of 1888 5048 MSBuild.exe 91 PID 1888 wrote to memory of 1456 1888 FBKEHJEGCF.exe 93 PID 1888 wrote to memory of 1456 1888 FBKEHJEGCF.exe 93 PID 1888 wrote to memory of 1456 1888 FBKEHJEGCF.exe 93 PID 1888 wrote to memory of 1456 1888 FBKEHJEGCF.exe 93 PID 1888 wrote to memory of 1456 1888 FBKEHJEGCF.exe 93 PID 1888 wrote to memory of 1456 1888 FBKEHJEGCF.exe 93 PID 1888 wrote to memory of 1456 1888 FBKEHJEGCF.exe 93 PID 1888 wrote to memory of 1456 1888 FBKEHJEGCF.exe 93 PID 1888 wrote to memory of 1456 1888 FBKEHJEGCF.exe 93 PID 5048 wrote to memory of 2680 5048 MSBuild.exe 101 PID 5048 wrote to memory of 2680 5048 MSBuild.exe 101 PID 5048 wrote to memory of 2680 5048 MSBuild.exe 101 PID 2680 wrote to memory of 1656 2680 cmd.exe 103 PID 2680 wrote to memory of 1656 2680 cmd.exe 103 PID 2680 wrote to memory of 1656 2680 cmd.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a.exe"C:\Users\Admin\AppData\Local\Temp\355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3144 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵PID:1488
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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:5048 -
C:\ProgramData\FBKEHJEGCF.exe"C:\ProgramData\FBKEHJEGCF.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1888 -
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:1456
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1888 -s 2564⤵
- Program crash
PID:3420
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GCAFCAFHJJDB" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1656
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 2602⤵
- Program crash
PID:3656
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3144 -ip 31441⤵PID:2156
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1888 -ip 18881⤵PID:1500
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
518KB
MD5f2e06e0c518fc12474c24fc1107bdc80
SHA1ec66a54fa727f65ed8fabc40de61816a4081df43
SHA256ef2048a669f1bf5ddf52eaf0f3950f5fa6c8eabc185eb8f6fa1a4af7731e6442
SHA512b096a73d9479cb72d0c87bdbabd259771aefa7ede0f237bc4af6386027663648f72a55c1ceb5db6340e4f8275cf5c042b007d6065af55df273f25d8dccbaab98
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571