Analysis
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max time kernel
93s -
max time network
143s -
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 13:37
Static task
static1
Behavioral task
behavioral1
Sample
7f3c2473d1e6.exe
Resource
win7-20240903-en
General
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Target
7f3c2473d1e6.exe
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Size
580KB
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MD5
dd44827a4ff7c9f0d3b4d94b8151144e
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SHA1
6dacc2fcec01a0f34d27619c4cade3c25f3a6d52
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SHA256
b830fb5d195f47d080d73af41060f8be9049d20d26453ca00107367ce2fd1d9a
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SHA512
ade978c03223b23dba01c9119a17838d38d078270421857557ec9947f0e9fcc557bbc55253cb2f36ec47fbd4013301b1d40f1e51a9b0bb5ccda34ecf5c282dc3
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SSDEEP
12288:h2qapAlfgoXFbrumro31PAANRet8Shpl62OmkymCyKtKndIisEO:vawfgAro3T3a8Shpl62W/CyEQWzt
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/552-1-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/552-3-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/552-6-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/552-7-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/552-8-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/552-25-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/552-26-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/552-42-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/552-43-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/552-71-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/552-72-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/552-79-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/552-80-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/552-81-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/552-100-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 2152 FIDHIEBAAK.exe -
Loads dropped DLL 2 IoCs
pid Process 552 MSBuild.exe 552 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 3612 set thread context of 552 3612 7f3c2473d1e6.exe 82 PID 2152 set thread context of 3040 2152 FIDHIEBAAK.exe 95 -
Program crash 2 IoCs
pid pid_target Process procid_target 3508 3612 WerFault.exe 81 60 2152 WerFault.exe 93 -
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 7f3c2473d1e6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language FIDHIEBAAK.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 -
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 2160 timeout.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 552 MSBuild.exe 552 MSBuild.exe 552 MSBuild.exe 552 MSBuild.exe 552 MSBuild.exe 552 MSBuild.exe 552 MSBuild.exe 552 MSBuild.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 3612 wrote to memory of 552 3612 7f3c2473d1e6.exe 82 PID 3612 wrote to memory of 552 3612 7f3c2473d1e6.exe 82 PID 3612 wrote to memory of 552 3612 7f3c2473d1e6.exe 82 PID 3612 wrote to memory of 552 3612 7f3c2473d1e6.exe 82 PID 3612 wrote to memory of 552 3612 7f3c2473d1e6.exe 82 PID 3612 wrote to memory of 552 3612 7f3c2473d1e6.exe 82 PID 3612 wrote to memory of 552 3612 7f3c2473d1e6.exe 82 PID 3612 wrote to memory of 552 3612 7f3c2473d1e6.exe 82 PID 3612 wrote to memory of 552 3612 7f3c2473d1e6.exe 82 PID 3612 wrote to memory of 552 3612 7f3c2473d1e6.exe 82 PID 552 wrote to memory of 2152 552 MSBuild.exe 93 PID 552 wrote to memory of 2152 552 MSBuild.exe 93 PID 552 wrote to memory of 2152 552 MSBuild.exe 93 PID 2152 wrote to memory of 3040 2152 FIDHIEBAAK.exe 95 PID 2152 wrote to memory of 3040 2152 FIDHIEBAAK.exe 95 PID 2152 wrote to memory of 3040 2152 FIDHIEBAAK.exe 95 PID 2152 wrote to memory of 3040 2152 FIDHIEBAAK.exe 95 PID 2152 wrote to memory of 3040 2152 FIDHIEBAAK.exe 95 PID 2152 wrote to memory of 3040 2152 FIDHIEBAAK.exe 95 PID 2152 wrote to memory of 3040 2152 FIDHIEBAAK.exe 95 PID 2152 wrote to memory of 3040 2152 FIDHIEBAAK.exe 95 PID 2152 wrote to memory of 3040 2152 FIDHIEBAAK.exe 95 PID 552 wrote to memory of 4568 552 MSBuild.exe 100 PID 552 wrote to memory of 4568 552 MSBuild.exe 100 PID 552 wrote to memory of 4568 552 MSBuild.exe 100 PID 4568 wrote to memory of 2160 4568 cmd.exe 102 PID 4568 wrote to memory of 2160 4568 cmd.exe 102 PID 4568 wrote to memory of 2160 4568 cmd.exe 102
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:3612 -
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:552 -
C:\ProgramData\FIDHIEBAAK.exe"C:\ProgramData\FIDHIEBAAK.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2152 -
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:3040
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 2564⤵
- Program crash
PID:60
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\KKJDGDHIDBGI" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4568 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2160
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3612 -s 2642⤵
- Program crash
PID:3508
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3612 -ip 36121⤵PID:5060
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2152 -ip 21521⤵PID:3472
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
548KB
MD50b7ec5759db9aada4b7ba36b54a857dc
SHA12365308352225362c5b29d16096237a7c8d32792
SHA2569d5a09f1e7085458979b815665c0065b267923a04a359bda91cebdd0e3ba7758
SHA512ae541335ec70e75447fbc32c04ac5c7f5af1a88c50352fc5268d1074246640ebc7e3a172d37c1bb8648f55b532389bc54f33f875118142a1e0a438dedeacd4a2
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571