Analysis
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max time kernel
95s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
17/09/2024, 06:35
Static task
static1
Behavioral task
behavioral1
Sample
7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5.exe
Resource
win10v2004-20240802-en
General
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Target
7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5.exe
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Size
283KB
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MD5
c252b6cf66b0de7e3b34c180bab3b0fa
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SHA1
cba15dad617651223885f6c032b65cd598dcce5c
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SHA256
7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5
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SHA512
95e7dd1377d0baebe0a7a22901dcfa77d4f562c88e88b0133c03edac36bc7b058522465c03ee792743022a20c639e306b1ecb25b3910650233ecbc6f281f3617
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SSDEEP
6144:cvwy7fw3QGweOG4JDGyBPkvqkyOYt4Bg9WoG5qEO:q37fAseOG4JqyBcyEYIKWZUEO
Malware Config
Extracted
vidar
https://t.me/edm0d
https://steamcommunity.com/profiles/76561199768374681
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0
Signatures
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Detect Vidar Stealer 17 IoCs
resource yara_rule behavioral2/memory/432-4-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/432-10-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/432-9-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/432-24-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/432-25-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/432-41-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/432-42-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/432-58-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/432-59-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/432-83-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/432-84-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/432-91-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/432-92-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1636-136-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1636-137-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1636-152-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1636-153-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 2 IoCs
pid Process 1504 HCFBFBAEBK.exe 3268 IEBFIEBAFC.exe -
Loads dropped DLL 2 IoCs
pid Process 432 RegAsm.exe 432 RegAsm.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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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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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
description pid Process procid_target PID 4480 set thread context of 432 4480 7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5.exe 83 PID 3268 set thread context of 1636 3268 IEBFIEBAFC.exe 96 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2332 1504 WerFault.exe 91 -
System Location Discovery: System Language Discovery 1 TTPs 7 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 7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language HCFBFBAEBK.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEBFIEBAFC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.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 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1600 timeout.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 432 RegAsm.exe 432 RegAsm.exe 432 RegAsm.exe 432 RegAsm.exe 432 RegAsm.exe 432 RegAsm.exe 432 RegAsm.exe 432 RegAsm.exe 1636 RegAsm.exe 1636 RegAsm.exe 1636 RegAsm.exe 1636 RegAsm.exe -
Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 4480 wrote to memory of 432 4480 7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5.exe 83 PID 4480 wrote to memory of 432 4480 7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5.exe 83 PID 4480 wrote to memory of 432 4480 7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5.exe 83 PID 4480 wrote to memory of 432 4480 7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5.exe 83 PID 4480 wrote to memory of 432 4480 7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5.exe 83 PID 4480 wrote to memory of 432 4480 7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5.exe 83 PID 4480 wrote to memory of 432 4480 7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5.exe 83 PID 4480 wrote to memory of 432 4480 7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5.exe 83 PID 4480 wrote to memory of 432 4480 7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5.exe 83 PID 4480 wrote to memory of 432 4480 7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5.exe 83 PID 432 wrote to memory of 1504 432 RegAsm.exe 91 PID 432 wrote to memory of 1504 432 RegAsm.exe 91 PID 432 wrote to memory of 1504 432 RegAsm.exe 91 PID 432 wrote to memory of 3268 432 RegAsm.exe 94 PID 432 wrote to memory of 3268 432 RegAsm.exe 94 PID 432 wrote to memory of 3268 432 RegAsm.exe 94 PID 3268 wrote to memory of 1636 3268 IEBFIEBAFC.exe 96 PID 3268 wrote to memory of 1636 3268 IEBFIEBAFC.exe 96 PID 3268 wrote to memory of 1636 3268 IEBFIEBAFC.exe 96 PID 3268 wrote to memory of 1636 3268 IEBFIEBAFC.exe 96 PID 3268 wrote to memory of 1636 3268 IEBFIEBAFC.exe 96 PID 3268 wrote to memory of 1636 3268 IEBFIEBAFC.exe 96 PID 3268 wrote to memory of 1636 3268 IEBFIEBAFC.exe 96 PID 3268 wrote to memory of 1636 3268 IEBFIEBAFC.exe 96 PID 3268 wrote to memory of 1636 3268 IEBFIEBAFC.exe 96 PID 3268 wrote to memory of 1636 3268 IEBFIEBAFC.exe 96 PID 432 wrote to memory of 32 432 RegAsm.exe 100 PID 432 wrote to memory of 32 432 RegAsm.exe 100 PID 432 wrote to memory of 32 432 RegAsm.exe 100 PID 32 wrote to memory of 1600 32 cmd.exe 102 PID 32 wrote to memory of 1600 32 cmd.exe 102 PID 32 wrote to memory of 1600 32 cmd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5.exe"C:\Users\Admin\AppData\Local\Temp\7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4480 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:432 -
C:\ProgramData\HCFBFBAEBK.exe"C:\ProgramData\HCFBFBAEBK.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1504 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1504 -s 9004⤵
- Program crash
PID:2332
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C:\ProgramData\IEBFIEBAFC.exe"C:\ProgramData\IEBFIEBAFC.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3268 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1636
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CBAEHCAEGDHJ" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:32 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1600
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1504 -ip 15041⤵PID:2356
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
160KB
MD5f310cf1ff562ae14449e0167a3e1fe46
SHA185c58afa9049467031c6c2b17f5c12ca73bb2788
SHA256e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855
SHA5121196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad
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Filesize
322KB
MD5a5098dee7d78acfb0294523855906aad
SHA15f44ca3f038456d07f7702cf061e7dad0039a8fb
SHA256b07e6681aedf25d80c36bb0cb362d3d9c22c17a42d03e42e0d2413ad1be1a4c2
SHA512b962efb2830b82e3cb4e39e3bd09ae68211dc0842ebd3c497e9425fcdd8ffb6eb09ca29386bf80fe9487346979592cbbc0f14c71e81129faf5ffd6f544226552
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Filesize
283KB
MD5ac7314c596e766b8f4f368579e2e0f8f
SHA10e4941e5e4299d04b9408194542c7362bcabcd2f
SHA256be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9
SHA5124258b6d15cd1c87d1787507f9132e5cf2caebfbf46dd055950dec8bb55faa094571d5b88cc58078adbab49f72fd3439f14ccae04de3d4bde672a540699a49428
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize2KB
MD5f3996f922326413e2e955f3774434d01
SHA1a68789fa985ebfab0c61bbee12098e404288cded
SHA25634a9640d4292dbc5d1fee85322b3c457eb2ee28284618a602ec936de9a104200
SHA51234b7c1c1e5bdaa7da31887fce2b8069203922599824fd28e1db53cd0ebd343118c7899f56159eeb0500c96ca0ba4e9f28a6695f8032ca4acb4ee17204b746376
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize2KB
MD5e2e9309062d386d7fec2730d865be1b3
SHA130dbe40a07dd56429b70601ff35c954d78ee99b9
SHA25601459ba654c52454a8dae37f078fffc280d3a13b55837fd82d05a9c902e88ebb
SHA51246ec1842ed5b93bf5e2533ce2561b0035ff0beb8e5ce61ecb2ec7bdb13f54e38a7a44d258b6713deb5278b39a6cd8b8dff349d3a2a088f9f4014eed6262f6b63
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize1KB
MD5f6a38bbc7873fe19e3946b5105ba07ac
SHA192c6e30c0ac5e3bedd886bcfa2a99bd9c1a2c85c
SHA256cd492ae77339f948e1aa800c798940a2f464948ca0584a9e388237c33b1d3064
SHA512695c8d347007d41746d2c571e9c5b3307732a713742d4bc2a9df1f2fcea7a93e584e36bddda0623e99bf647af09022ee432e4840e0ab6027bb54ac304398077e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize458B
MD5351e5e8fe886c06a9d7eeb1c489b696e
SHA1b7df8512bd7e17089185d335a8a7687aeb2688a0
SHA2568adadd662d3a71bcc79d62192bc1793d6ee98948dcb2ad384807795aee7d7a7a
SHA512c3fc3d6e11ae59a8034a42ff5d12feb306fcd50a5437b31d21535f049d0d9802a20175274ec2399e9d9c305591f75ed975d666b1d0c90b351621494501b10236
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD5a3e5d0adc6f574e82e51cdad1eee3db5
SHA13e8908cb3ce6f072b7d152107b92bd3640a231a3
SHA2564439695d4f2523aa2c23dee68dd923bd1da710cc8384389c5103165b119dc440
SHA512c30328fd739811f659888fa184627ab8df4d4dd6a9af90038aa37c0ff1de75b07e09d8adbd64c4e31a9d2f074a7e8c217c8e377e1f161d8957c565d73bb223aa
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD52d06339d463dcaaeb22418561e9a5476
SHA1a1b68755d0596cc3aa127a78d68d89a9de202290
SHA256dd624fd8432e0766646116f6250756ab450f5817fe682c099b936955c34081ff
SHA51238baba30d6eb9c67648ee7698cc519d27ec2f2253035f947a86654d70919c1a99e4c3f19f28855a251df70efb6a9de6cec6b16dbee9fb10bc1e585a71b111bd1