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Analysis
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max time kernel
93s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2024, 01:22
Static task
static1
Behavioral task
behavioral1
Sample
5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe
Resource
win7-20240704-en
General
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Target
5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe
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Size
292KB
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MD5
89599341387624a951de84b66f9ec572
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SHA1
e44a6665fecc1b38903a01c72901ee88e618f077
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SHA256
5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5
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SHA512
9e7f25b5e6704dc91bbbc9ba1e1528b2c34d81ead50ad3cdf6b3b4911a044e5b9d733d0882316cc97735971ff3aadf9b5117af355a6ca48a6ac96610668465cd
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SSDEEP
6144:oE8c1gkq908NkcFaTLaol+j17zPDr/MMUxc4EO:Wc1T78NkeaTLKzLrLAEO
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
Extracted
lumma
https://tendencctywop.shop/api
https://tryyudjasudqo.shop/api
Signatures
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Detect Vidar Stealer 20 IoCs
resource yara_rule behavioral2/memory/2968-4-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2968-11-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2968-9-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2968-25-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2968-26-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2968-42-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2968-43-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2968-59-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2968-60-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2968-84-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2968-85-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2968-92-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2968-93-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2868-136-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2868-138-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2868-140-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2868-150-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2868-151-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2868-166-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2868-167-0x0000000000400000-0x0000000000657000-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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 2 IoCs
pid Process 3420 BFBKFHIDHI.exe 3376 JJJJEBGDAF.exe -
Loads dropped DLL 2 IoCs
pid Process 2968 RegAsm.exe 2968 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 3 IoCs
description pid Process procid_target PID 1172 set thread context of 2968 1172 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 84 PID 3420 set thread context of 1248 3420 BFBKFHIDHI.exe 95 PID 3376 set thread context of 2868 3376 JJJJEBGDAF.exe 98 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 8 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 RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JJJJEBGDAF.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language BFBKFHIDHI.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 1224 timeout.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 2968 RegAsm.exe 2968 RegAsm.exe 2968 RegAsm.exe 2968 RegAsm.exe 2968 RegAsm.exe 2968 RegAsm.exe 2968 RegAsm.exe 2968 RegAsm.exe 2868 RegAsm.exe 2868 RegAsm.exe 2868 RegAsm.exe 2868 RegAsm.exe -
Suspicious use of WriteProcessMemory 44 IoCs
description pid Process procid_target PID 1172 wrote to memory of 764 1172 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 83 PID 1172 wrote to memory of 764 1172 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 83 PID 1172 wrote to memory of 764 1172 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 83 PID 1172 wrote to memory of 2968 1172 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 84 PID 1172 wrote to memory of 2968 1172 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 84 PID 1172 wrote to memory of 2968 1172 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 84 PID 1172 wrote to memory of 2968 1172 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 84 PID 1172 wrote to memory of 2968 1172 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 84 PID 1172 wrote to memory of 2968 1172 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 84 PID 1172 wrote to memory of 2968 1172 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 84 PID 1172 wrote to memory of 2968 1172 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 84 PID 1172 wrote to memory of 2968 1172 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 84 PID 1172 wrote to memory of 2968 1172 5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe 84 PID 2968 wrote to memory of 3420 2968 RegAsm.exe 92 PID 2968 wrote to memory of 3420 2968 RegAsm.exe 92 PID 2968 wrote to memory of 3420 2968 RegAsm.exe 92 PID 3420 wrote to memory of 1248 3420 BFBKFHIDHI.exe 95 PID 3420 wrote to memory of 1248 3420 BFBKFHIDHI.exe 95 PID 3420 wrote to memory of 1248 3420 BFBKFHIDHI.exe 95 PID 3420 wrote to memory of 1248 3420 BFBKFHIDHI.exe 95 PID 3420 wrote to memory of 1248 3420 BFBKFHIDHI.exe 95 PID 3420 wrote to memory of 1248 3420 BFBKFHIDHI.exe 95 PID 3420 wrote to memory of 1248 3420 BFBKFHIDHI.exe 95 PID 3420 wrote to memory of 1248 3420 BFBKFHIDHI.exe 95 PID 3420 wrote to memory of 1248 3420 BFBKFHIDHI.exe 95 PID 2968 wrote to memory of 3376 2968 RegAsm.exe 96 PID 2968 wrote to memory of 3376 2968 RegAsm.exe 96 PID 2968 wrote to memory of 3376 2968 RegAsm.exe 96 PID 3376 wrote to memory of 2868 3376 JJJJEBGDAF.exe 98 PID 3376 wrote to memory of 2868 3376 JJJJEBGDAF.exe 98 PID 3376 wrote to memory of 2868 3376 JJJJEBGDAF.exe 98 PID 3376 wrote to memory of 2868 3376 JJJJEBGDAF.exe 98 PID 3376 wrote to memory of 2868 3376 JJJJEBGDAF.exe 98 PID 3376 wrote to memory of 2868 3376 JJJJEBGDAF.exe 98 PID 3376 wrote to memory of 2868 3376 JJJJEBGDAF.exe 98 PID 3376 wrote to memory of 2868 3376 JJJJEBGDAF.exe 98 PID 3376 wrote to memory of 2868 3376 JJJJEBGDAF.exe 98 PID 3376 wrote to memory of 2868 3376 JJJJEBGDAF.exe 98 PID 2968 wrote to memory of 1192 2968 RegAsm.exe 99 PID 2968 wrote to memory of 1192 2968 RegAsm.exe 99 PID 2968 wrote to memory of 1192 2968 RegAsm.exe 99 PID 1192 wrote to memory of 1224 1192 cmd.exe 101 PID 1192 wrote to memory of 1224 1192 cmd.exe 101 PID 1192 wrote to memory of 1224 1192 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe"C:\Users\Admin\AppData\Local\Temp\5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1172 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:764
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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:2968 -
C:\ProgramData\BFBKFHIDHI.exe"C:\ProgramData\BFBKFHIDHI.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3420 -
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
PID:1248
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C:\ProgramData\JJJJEBGDAF.exe"C:\ProgramData\JJJJEBGDAF.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3376 -
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:2868
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CBFCBKKFBAEH" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1192 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1224
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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
352KB
MD56f4a0ae013610785ad54438f4af26f1a
SHA1c8ff55002963dde8457db2b11f68e67a070ddb21
SHA256ccb16a2e8b58be824d838d5607ecd4b07123de87f9fe9e42e64507d77b0f374d
SHA5126f3a30e8ee4ff36cfaac09bfe1272ed4678783c4628dd82e47dd1ef23d4a8ef1c153a9a4e8951cb38b4c7a833f2bc744dbcc7dac1e550b2f44ffadc8181d8ee3
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Filesize
160KB
MD5f310cf1ff562ae14449e0167a3e1fe46
SHA185c58afa9049467031c6c2b17f5c12ca73bb2788
SHA256e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855
SHA5121196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad
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Filesize
292KB
MD5a714209db1b2b68a95e680df111922ed
SHA15533ed29bf3239839e6acf03965cf27ddf4f4138
SHA2567ad095de4171dfb3458752e1f4406b726ea94327e529fd83e2189b8c04ffee86
SHA51225ce432979995987a26e9442c2c9ac026d55ff9f4820d983ab30496d28a75dec508c4083b11a2433f5bc3c2f903828ed2849aa5542fc7de84394b44a29fbcf55
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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
MD5912f27bcbbbdd339d73baf2ecec184e7
SHA1de4c42adf7c06de811958807014887a4c0d41c95
SHA256ac4301cf80e1320cc836f85d90d28221a50ec57e6129b195acf0cb00df5d18b2
SHA5123315247d610e70893844af18d903d1010e0d9df7dc3dcaee2b83e4d52fd52910e2623cdcb5e33bc8e8253129914091e20a7a35d51b500fdf4eba2c48da83fcd8
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize2KB
MD59541342916b0c5b0ee2f6062398b867f
SHA146fc51b5aa29f366ef96946c16cbe9b7f67c9392
SHA256e6548a38d5a516be84c393b45ce4a1577e4bbd6bb40aad980237037fe0e5a740
SHA512d763f9f0676bb94f8211aae463896cf1c545531c1c43ee9d60272427c3a7ea56dc332e8e4a08c570a87bc26908de326ef0f196da8ad79051f6cad2dfcd0579aa
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize1KB
MD58515f6b60a6e8becf75da139b0767c36
SHA1a926e7923af47636662c56e51ec8e0485d0e7b61
SHA25642f8b46499f0f8fd94833336b4bdc1e908cb2b6b719d72229764bef52b80a6d6
SHA51267450b06ebcc344b6eee9e5913a741161b1cf081cdb0d4ea5a6224735b2d490c46f1cb4783299265ec13212672af49de8b271b284951c9c229c700468ed322d2
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize458B
MD5d90191880f543b9149d03a2b1797f700
SHA115ecd75de2c12a1c9699cf6768d568920c40c02b
SHA256d5a933335803dc9bdd185121f146b3f5fe34206880ec12d86c3c7ddd48e2f704
SHA51297eda42ffb03faa11e4f95822a19ba7c313a0e3efdcbea7af3fcf6ad6b219861de0f08cb48813f3d9b397bad98d26b201f4c2efd7a99fb79ff47381110bd33c1
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD5bdb387a77018306a638c67bff3f2f8e1
SHA154996d98f6a88c34a241d42209a2193fda6aef90
SHA25684bf2f29c1f6a477d3128d22c2e002fbd0b9957e3aa5fbc3112dd4f46eea4dfd
SHA512ebb4613c2d1c8b84180ac3dea317585de4381cf04e8380e7fcdfb9b112d95e97c0b7cb929349bfb889492096c652b216a7db86467813858813be6b52255b577c
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD5d264d624a6a972555ac1e9a2a3e1dbb5
SHA11c20ed558275f915efde91ec46cf181f8df8b563
SHA2564180d4c59d212072fc2e914ba55553777c78db3a0441d11d8d936c0ca16ac5a2
SHA512c029d3b7ef9128874695d57b5895d8dc376d1e4b8100345977eb6df65ec0a35619d5fa0ab636b287655d5db488fa07ab87bf7efa17b2b7ae7c80317a5c345c19