Analysis
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max time kernel
125s -
max time network
126s -
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 01:09
Static task
static1
Behavioral task
behavioral1
Sample
393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe
Resource
win10v2004-20240802-en
General
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Target
393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe
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Size
283KB
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MD5
bfb262695846160319eff924751694cb
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SHA1
9cc9183479bba4738319df432708485d5e4a18d2
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SHA256
393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004
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SHA512
8cc0534f98920d2f456d5c21e4b8b1e747e69fac21b64b5d426c39a0f08907ca0f12a312100641b5716525f95ab017ec2a15818f42c3370c31ac9d3bf09445f9
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SSDEEP
6144:au9ShT41pulkoqVoUQqD4HXFeHuoSw4C6X4LmuyutMk5qGGMSDEO:NxqZqVoUvUXcOobiCl/oGGHEO
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 22 IoCs
resource yara_rule behavioral2/memory/2768-4-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2768-8-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2768-10-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2768-24-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2768-25-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2768-41-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2768-42-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2768-51-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2768-58-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2768-66-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2768-67-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2768-92-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2768-93-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2768-100-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2768-101-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3736-137-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3736-141-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3736-139-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3736-150-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3736-151-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3736-166-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3736-167-0x0000000000400000-0x0000000000657000-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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 2 IoCs
pid Process 1592 BGIJDGCAEB.exe 872 KEGIDHJKKJ.exe -
Loads dropped DLL 2 IoCs
pid Process 2768 RegAsm.exe 2768 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 2124 set thread context of 2768 2124 393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe 91 PID 872 set thread context of 3736 872 KEGIDHJKKJ.exe 109 -
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 4236 1592 WerFault.exe 101 -
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 393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language BGIJDGCAEB.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language KEGIDHJKKJ.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 2504 timeout.exe -
Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 2768 RegAsm.exe 2768 RegAsm.exe 2768 RegAsm.exe 2768 RegAsm.exe 2768 RegAsm.exe 2768 RegAsm.exe 2768 RegAsm.exe 2768 RegAsm.exe 2768 RegAsm.exe 2768 RegAsm.exe 2768 RegAsm.exe 2768 RegAsm.exe 2768 RegAsm.exe 2768 RegAsm.exe 2768 RegAsm.exe 2768 RegAsm.exe 2768 RegAsm.exe 2768 RegAsm.exe 2768 RegAsm.exe 2768 RegAsm.exe 3736 RegAsm.exe 3736 RegAsm.exe 3736 RegAsm.exe 3736 RegAsm.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 2124 wrote to memory of 1540 2124 393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe 90 PID 2124 wrote to memory of 1540 2124 393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe 90 PID 2124 wrote to memory of 1540 2124 393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe 90 PID 2124 wrote to memory of 2768 2124 393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe 91 PID 2124 wrote to memory of 2768 2124 393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe 91 PID 2124 wrote to memory of 2768 2124 393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe 91 PID 2124 wrote to memory of 2768 2124 393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe 91 PID 2124 wrote to memory of 2768 2124 393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe 91 PID 2124 wrote to memory of 2768 2124 393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe 91 PID 2124 wrote to memory of 2768 2124 393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe 91 PID 2124 wrote to memory of 2768 2124 393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe 91 PID 2124 wrote to memory of 2768 2124 393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe 91 PID 2124 wrote to memory of 2768 2124 393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe 91 PID 2768 wrote to memory of 1592 2768 RegAsm.exe 101 PID 2768 wrote to memory of 1592 2768 RegAsm.exe 101 PID 2768 wrote to memory of 1592 2768 RegAsm.exe 101 PID 2768 wrote to memory of 872 2768 RegAsm.exe 104 PID 2768 wrote to memory of 872 2768 RegAsm.exe 104 PID 2768 wrote to memory of 872 2768 RegAsm.exe 104 PID 872 wrote to memory of 3736 872 KEGIDHJKKJ.exe 109 PID 872 wrote to memory of 3736 872 KEGIDHJKKJ.exe 109 PID 872 wrote to memory of 3736 872 KEGIDHJKKJ.exe 109 PID 872 wrote to memory of 3736 872 KEGIDHJKKJ.exe 109 PID 872 wrote to memory of 3736 872 KEGIDHJKKJ.exe 109 PID 872 wrote to memory of 3736 872 KEGIDHJKKJ.exe 109 PID 872 wrote to memory of 3736 872 KEGIDHJKKJ.exe 109 PID 872 wrote to memory of 3736 872 KEGIDHJKKJ.exe 109 PID 872 wrote to memory of 3736 872 KEGIDHJKKJ.exe 109 PID 872 wrote to memory of 3736 872 KEGIDHJKKJ.exe 109 PID 2768 wrote to memory of 4488 2768 RegAsm.exe 110 PID 2768 wrote to memory of 4488 2768 RegAsm.exe 110 PID 2768 wrote to memory of 4488 2768 RegAsm.exe 110 PID 4488 wrote to memory of 2504 4488 cmd.exe 112 PID 4488 wrote to memory of 2504 4488 cmd.exe 112 PID 4488 wrote to memory of 2504 4488 cmd.exe 112
Processes
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C:\Users\Admin\AppData\Local\Temp\393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe"C:\Users\Admin\AppData\Local\Temp\393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:1540
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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:2768 -
C:\ProgramData\BGIJDGCAEB.exe"C:\ProgramData\BGIJDGCAEB.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1592 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 8764⤵
- Program crash
PID:4236
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C:\ProgramData\KEGIDHJKKJ.exe"C:\ProgramData\KEGIDHJKKJ.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:872 -
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:3736
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JKKEHJDHJKFI" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4488 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2504
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4380,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=4188 /prefetch:81⤵PID:4764
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --field-trial-handle=4144,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=2320 /prefetch:31⤵PID:5104
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1592 -ip 15921⤵PID:2416
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
322KB
MD5a5098dee7d78acfb0294523855906aad
SHA15f44ca3f038456d07f7702cf061e7dad0039a8fb
SHA256b07e6681aedf25d80c36bb0cb362d3d9c22c17a42d03e42e0d2413ad1be1a4c2
SHA512b962efb2830b82e3cb4e39e3bd09ae68211dc0842ebd3c497e9425fcdd8ffb6eb09ca29386bf80fe9487346979592cbbc0f14c71e81129faf5ffd6f544226552
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Filesize
160KB
MD5f310cf1ff562ae14449e0167a3e1fe46
SHA185c58afa9049467031c6c2b17f5c12ca73bb2788
SHA256e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855
SHA5121196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad
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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
MD517bc873e2a1ececdb96ba865079e2f7a
SHA1a44455ae9199b8f0b798ffe8952d2ce2b3cdf335
SHA256aaf3cca466c1452b3c1947aebea6107b1fba212c1cf9a0bcb2f7515b2a6cccea
SHA512cc0b2d9cd308ec3b289e67f8041a633099a69705587fd042201a3d2badc3cebdf18a971997fb9c3148ee9a016385f4657f74029bc47770e61c1b2c0c63f4adac
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize458B
MD594df5463d6113cfd25becbcc1d40fc05
SHA1a43382a33041fbcd7922fce59cffdac555e2131c
SHA2562811f19ea0924aff1b68b7ec79bc46769a36a7acd7a5724cb2df78770d8a0c17
SHA512dd5e01a5cba791f4b92de795903c72af89fe56e4f197b4093f046c06cd612a46a4af3e81ae8d36e8ff72135a7c98b051d95c2be260cce4e54c5a6d95ecf5a100
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD5b4be6d53a2c4e931e203f83098edac72
SHA11308ab290e8f4189cd413f91f433afc6dd80957d
SHA256a0b56e99cee2f7a6628748b409e6439311cdfb6a397a392e5e7a1970d45f1422
SHA51277d45e891e5d8cb8595d03d20f3eebd323f770f3e8012f18dff9758f7373a76176fc39d538c641cf18c6f4e7e5d77bf47b8b45ee1db2d64e8250ddcc9518c352
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD526ceb539cfde30770484381fc2690e9d
SHA1553f1d013938629120e6df9f6758bc71268c1e05
SHA256699655f23ed6cb2bfe9806bffb0df80c293600be23ef5fe9c21ee1a3c840350f
SHA512198e85d3fcb76f6e87c3b3e8a622215ed120b7aa55059d791cf0da3e6f88b37df5dfdbb2dd86e27a2a6dda1fd87d7b1eb2599cd93a2daf9c9db3ebded325b3bd
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Filesize
2B
MD5d751713988987e9331980363e24189ce
SHA197d170e1550eee4afc0af065b78cda302a97674c
SHA2564f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
SHA512b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af
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Filesize
40B
MD520d4b8fa017a12a108c87f540836e250
SHA11ac617fac131262b6d3ce1f52f5907e31d5f6f00
SHA2566028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
SHA512507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856