Analysis
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max time kernel
105s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
18-09-2024 06:37
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240903-en
General
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Target
file.exe
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Size
292KB
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MD5
a714209db1b2b68a95e680df111922ed
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SHA1
5533ed29bf3239839e6acf03965cf27ddf4f4138
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SHA256
7ad095de4171dfb3458752e1f4406b726ea94327e529fd83e2189b8c04ffee86
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SHA512
25ce432979995987a26e9442c2c9ac026d55ff9f4820d983ab30496d28a75dec508c4083b11a2433f5bc3c2f903828ed2849aa5542fc7de84394b44a29fbcf55
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SSDEEP
6144:V58+UTYNUsagLAxjDbXxw0HVmjE+IPgkeHeNQZzgSEO:1UTqUsJLunxDVm9IIVOw0SEO
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://keennylrwmqlw.shop/api
https://licenseodqwmqn.shop/api
https://tendencctywop.shop/api
https://tesecuuweqo.shop/api
https://relaxatinownio.shop/api
https://reggwardssdqw.shop/api
https://eemmbryequo.shop/api
https://tryyudjasudqo.shop/api
Signatures
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Detect Vidar Stealer 17 IoCs
resource yara_rule behavioral2/memory/2420-4-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2420-11-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2420-9-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2420-25-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2420-26-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2420-42-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2420-43-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2420-59-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2420-60-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2420-84-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2420-85-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2420-92-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2420-93-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2428-149-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2428-150-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2428-165-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2428-166-0x0000000000400000-0x0000000000657000-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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 2 IoCs
pid Process 1564 CFHCGHJDBF.exe 3756 EHIJDHCAKK.exe -
Loads dropped DLL 2 IoCs
pid Process 2420 RegAsm.exe 2420 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 1228 set thread context of 2420 1228 file.exe 84 PID 1564 set thread context of 4884 1564 CFHCGHJDBF.exe 95 PID 3756 set thread context of 2428 3756 EHIJDHCAKK.exe 101 -
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 CFHCGHJDBF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EHIJDHCAKK.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 RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.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 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 Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4564 timeout.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 2420 RegAsm.exe 2420 RegAsm.exe 2420 RegAsm.exe 2420 RegAsm.exe 2420 RegAsm.exe 2420 RegAsm.exe 2420 RegAsm.exe 2420 RegAsm.exe 2428 RegAsm.exe 2428 RegAsm.exe 2428 RegAsm.exe 2428 RegAsm.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 1228 wrote to memory of 4504 1228 file.exe 83 PID 1228 wrote to memory of 4504 1228 file.exe 83 PID 1228 wrote to memory of 4504 1228 file.exe 83 PID 1228 wrote to memory of 2420 1228 file.exe 84 PID 1228 wrote to memory of 2420 1228 file.exe 84 PID 1228 wrote to memory of 2420 1228 file.exe 84 PID 1228 wrote to memory of 2420 1228 file.exe 84 PID 1228 wrote to memory of 2420 1228 file.exe 84 PID 1228 wrote to memory of 2420 1228 file.exe 84 PID 1228 wrote to memory of 2420 1228 file.exe 84 PID 1228 wrote to memory of 2420 1228 file.exe 84 PID 1228 wrote to memory of 2420 1228 file.exe 84 PID 1228 wrote to memory of 2420 1228 file.exe 84 PID 2420 wrote to memory of 1564 2420 RegAsm.exe 92 PID 2420 wrote to memory of 1564 2420 RegAsm.exe 92 PID 2420 wrote to memory of 1564 2420 RegAsm.exe 92 PID 1564 wrote to memory of 4884 1564 CFHCGHJDBF.exe 95 PID 1564 wrote to memory of 4884 1564 CFHCGHJDBF.exe 95 PID 1564 wrote to memory of 4884 1564 CFHCGHJDBF.exe 95 PID 1564 wrote to memory of 4884 1564 CFHCGHJDBF.exe 95 PID 1564 wrote to memory of 4884 1564 CFHCGHJDBF.exe 95 PID 1564 wrote to memory of 4884 1564 CFHCGHJDBF.exe 95 PID 1564 wrote to memory of 4884 1564 CFHCGHJDBF.exe 95 PID 1564 wrote to memory of 4884 1564 CFHCGHJDBF.exe 95 PID 1564 wrote to memory of 4884 1564 CFHCGHJDBF.exe 95 PID 2420 wrote to memory of 3756 2420 RegAsm.exe 96 PID 2420 wrote to memory of 3756 2420 RegAsm.exe 96 PID 2420 wrote to memory of 3756 2420 RegAsm.exe 96 PID 2420 wrote to memory of 3680 2420 RegAsm.exe 98 PID 2420 wrote to memory of 3680 2420 RegAsm.exe 98 PID 2420 wrote to memory of 3680 2420 RegAsm.exe 98 PID 3756 wrote to memory of 2428 3756 EHIJDHCAKK.exe 101 PID 3756 wrote to memory of 2428 3756 EHIJDHCAKK.exe 101 PID 3756 wrote to memory of 2428 3756 EHIJDHCAKK.exe 101 PID 3756 wrote to memory of 2428 3756 EHIJDHCAKK.exe 101 PID 3756 wrote to memory of 2428 3756 EHIJDHCAKK.exe 101 PID 3756 wrote to memory of 2428 3756 EHIJDHCAKK.exe 101 PID 3756 wrote to memory of 2428 3756 EHIJDHCAKK.exe 101 PID 3756 wrote to memory of 2428 3756 EHIJDHCAKK.exe 101 PID 3756 wrote to memory of 2428 3756 EHIJDHCAKK.exe 101 PID 3756 wrote to memory of 2428 3756 EHIJDHCAKK.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1228 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:4504
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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:2420 -
C:\ProgramData\CFHCGHJDBF.exe"C:\ProgramData\CFHCGHJDBF.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1564 -
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:4884
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C:\ProgramData\EHIJDHCAKK.exe"C:\ProgramData\EHIJDHCAKK.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3756 -
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:2428
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IJKFHDBKFCAA" & exit3⤵
- System Location Discovery: System Language Discovery
PID:3680 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4564
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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
292KB
MD5a714209db1b2b68a95e680df111922ed
SHA15533ed29bf3239839e6acf03965cf27ddf4f4138
SHA2567ad095de4171dfb3458752e1f4406b726ea94327e529fd83e2189b8c04ffee86
SHA51225ce432979995987a26e9442c2c9ac026d55ff9f4820d983ab30496d28a75dec508c4083b11a2433f5bc3c2f903828ed2849aa5542fc7de84394b44a29fbcf55
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Filesize
160KB
MD5f310cf1ff562ae14449e0167a3e1fe46
SHA185c58afa9049467031c6c2b17f5c12ca73bb2788
SHA256e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855
SHA5121196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad
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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
MD56bfa4438231e0c1dec70cb1b1dc23963
SHA1f75144276248f49cf6264ffe8af11ad6318eaa9b
SHA256b34da0ff4c8f3d724a7384d6ea6e2afef4aef858643f5b751519b98d17c03175
SHA51255e833538700a73c82d06d04d5c1ba7f38c38cb1581b7af7ae1dcb564b246eb8870e1a7ea529bac8a72dac3339303db475544a6471a64d4e9e221ec54286436f
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize2KB
MD5ed1b8c9857cb3300612b9339f6f4d22c
SHA14e53e144ca4e1851898b590df4853f3a0cb41761
SHA256fba16f4ffd6fd89df324ba7a28c27fd7931d2e96c33548f1c0738f8f86f211a0
SHA51269c55660c13829052f8e34a946c302d41c687e7300073a58c3d16033631537c5ce21653335e8925caf178bd636ac9c340ba74de23ba19c2dbeb9ae608e6033cc
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize1KB
MD5ff247b273beb82e454dfe89b75fab6c3
SHA1bf42c1951a1f6bd8c5a2b8b5a78e293599595b36
SHA256d7067700eb000ffaec1d567a39d77a72b01347c76ac369ed7fcea2d088fa324d
SHA51232cb871655593f7020b33b0e3e1f5328fafc0e6e382db2b73d91432265809309a16992d6a94e55ab9034986c1281a2ab23389fe2348c2401c6a7f9a56d617d0c
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize458B
MD50c1f359ad07a2575c5fe075f6e50f7fb
SHA15c538d4cd7191ce35d64be42edb0c31e6af2c029
SHA2563a17b7324bb3d9892695fc1ceab035880c37d03bf01cc994a0eb0f64e6d3b33a
SHA5126963d3efb28b19a5fd3d2a33c8e927092caca85170c68a8077b585123849a94e829f992fc9ab103298f2440489f78a80fd09cc8463474266084849e336aeed0c
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD50a23a7e08523399ea07192296d0c3088
SHA152e3676e712e07c5c892bf8663bd693be4521683
SHA2569f56e6506646847867c0bd08891dad93ffc46dd0a41279ec424e9a9413f345cc
SHA512aa9f07ecc27b7a9b75283bcfe30027328c62c87f907c003b81493fd3d1d418bb0313fbc556303858f7f541a0e4cd1e8191d287a559db027ee4a7928767993b32
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD576c7b15cec13ecf488ec0c5a93a19c70
SHA1f2b9759194c22440875fe35af144092bacb70a63
SHA25696ee4f49777e6b0128bd83ef0b20bf1850460904fcd4ffa69e01bd997a1bf9d2
SHA5127e392bc993d552aed12e0e24e9cb73afcba666cf6f0de9f5d0e135ebdc18b105f7c98f8bf23891886673a6b477893aa39b3f17c440d0983504aa82076b9a7204