Analysis
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max time kernel
135s -
max time network
136s -
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 05:07
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20240802-en
General
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Target
file.exe
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Size
293KB
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MD5
849e7d206dc382c53e6b1947f55e7ada
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SHA1
82e990d981279f85c29e6bb0bcaff8f340685964
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SHA256
3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f
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SHA512
4c891fe3418ea839bf7b4610a5879432d83f5aad746aef3ceb5ff5c43e3ea01f0b0fcd820078f27a464c5e664dd62bc5bd73f1fbca519679cdf085143505d908
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SSDEEP
6144:+L3eSCmxdvcT6WUZJp1tQf+omj06nAP2mfAFyEO:sem/YU10KjAP2BFyEO
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 20 IoCs
resource yara_rule behavioral2/memory/860-4-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/860-9-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/860-11-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/860-25-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/860-26-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/860-42-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/860-43-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/860-59-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/860-60-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/860-84-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/860-85-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/860-92-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/860-93-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3492-139-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3492-143-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3492-141-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3492-152-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3492-153-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3492-168-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3492-169-0x0000000000400000-0x0000000000657000-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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 2 IoCs
pid Process 4460 JDGIECGIEB.exe 776 IIJEBAECGC.exe -
Loads dropped DLL 2 IoCs
pid Process 860 RegAsm.exe 860 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 4680 set thread context of 860 4680 file.exe 88 PID 4460 set thread context of 2420 4460 JDGIECGIEB.exe 99 PID 776 set thread context of 3492 776 IIJEBAECGC.exe 104 -
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 timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JDGIECGIEB.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IIJEBAECGC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.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 440 timeout.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 860 RegAsm.exe 860 RegAsm.exe 860 RegAsm.exe 860 RegAsm.exe 860 RegAsm.exe 860 RegAsm.exe 860 RegAsm.exe 860 RegAsm.exe 3492 RegAsm.exe 3492 RegAsm.exe 3492 RegAsm.exe 3492 RegAsm.exe -
Suspicious use of WriteProcessMemory 53 IoCs
description pid Process procid_target PID 4680 wrote to memory of 1560 4680 file.exe 86 PID 4680 wrote to memory of 1560 4680 file.exe 86 PID 4680 wrote to memory of 1560 4680 file.exe 86 PID 4680 wrote to memory of 1456 4680 file.exe 87 PID 4680 wrote to memory of 1456 4680 file.exe 87 PID 4680 wrote to memory of 1456 4680 file.exe 87 PID 4680 wrote to memory of 860 4680 file.exe 88 PID 4680 wrote to memory of 860 4680 file.exe 88 PID 4680 wrote to memory of 860 4680 file.exe 88 PID 4680 wrote to memory of 860 4680 file.exe 88 PID 4680 wrote to memory of 860 4680 file.exe 88 PID 4680 wrote to memory of 860 4680 file.exe 88 PID 4680 wrote to memory of 860 4680 file.exe 88 PID 4680 wrote to memory of 860 4680 file.exe 88 PID 4680 wrote to memory of 860 4680 file.exe 88 PID 4680 wrote to memory of 860 4680 file.exe 88 PID 860 wrote to memory of 4460 860 RegAsm.exe 96 PID 860 wrote to memory of 4460 860 RegAsm.exe 96 PID 860 wrote to memory of 4460 860 RegAsm.exe 96 PID 4460 wrote to memory of 2420 4460 JDGIECGIEB.exe 99 PID 4460 wrote to memory of 2420 4460 JDGIECGIEB.exe 99 PID 4460 wrote to memory of 2420 4460 JDGIECGIEB.exe 99 PID 4460 wrote to memory of 2420 4460 JDGIECGIEB.exe 99 PID 4460 wrote to memory of 2420 4460 JDGIECGIEB.exe 99 PID 4460 wrote to memory of 2420 4460 JDGIECGIEB.exe 99 PID 4460 wrote to memory of 2420 4460 JDGIECGIEB.exe 99 PID 4460 wrote to memory of 2420 4460 JDGIECGIEB.exe 99 PID 4460 wrote to memory of 2420 4460 JDGIECGIEB.exe 99 PID 860 wrote to memory of 776 860 RegAsm.exe 100 PID 860 wrote to memory of 776 860 RegAsm.exe 100 PID 860 wrote to memory of 776 860 RegAsm.exe 100 PID 776 wrote to memory of 3628 776 IIJEBAECGC.exe 102 PID 776 wrote to memory of 3628 776 IIJEBAECGC.exe 102 PID 776 wrote to memory of 3628 776 IIJEBAECGC.exe 102 PID 776 wrote to memory of 4832 776 IIJEBAECGC.exe 103 PID 776 wrote to memory of 4832 776 IIJEBAECGC.exe 103 PID 776 wrote to memory of 4832 776 IIJEBAECGC.exe 103 PID 776 wrote to memory of 3492 776 IIJEBAECGC.exe 104 PID 776 wrote to memory of 3492 776 IIJEBAECGC.exe 104 PID 776 wrote to memory of 3492 776 IIJEBAECGC.exe 104 PID 776 wrote to memory of 3492 776 IIJEBAECGC.exe 104 PID 776 wrote to memory of 3492 776 IIJEBAECGC.exe 104 PID 776 wrote to memory of 3492 776 IIJEBAECGC.exe 104 PID 776 wrote to memory of 3492 776 IIJEBAECGC.exe 104 PID 776 wrote to memory of 3492 776 IIJEBAECGC.exe 104 PID 776 wrote to memory of 3492 776 IIJEBAECGC.exe 104 PID 776 wrote to memory of 3492 776 IIJEBAECGC.exe 104 PID 860 wrote to memory of 2788 860 RegAsm.exe 105 PID 860 wrote to memory of 2788 860 RegAsm.exe 105 PID 860 wrote to memory of 2788 860 RegAsm.exe 105 PID 2788 wrote to memory of 440 2788 cmd.exe 107 PID 2788 wrote to memory of 440 2788 cmd.exe 107 PID 2788 wrote to memory of 440 2788 cmd.exe 107
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:4680 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:1560
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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⤵PID:1456
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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:860 -
C:\ProgramData\JDGIECGIEB.exe"C:\ProgramData\JDGIECGIEB.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4460 -
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:2420
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C:\ProgramData\IIJEBAECGC.exe"C:\ProgramData\IIJEBAECGC.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:776 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵PID:3628
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵PID:4832
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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:3492
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\KEHDHIDAEHCF" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2788 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:440
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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
160KB
MD5f310cf1ff562ae14449e0167a3e1fe46
SHA185c58afa9049467031c6c2b17f5c12ca73bb2788
SHA256e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855
SHA5121196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad
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Filesize
293KB
MD56d1999f1096cee3f06507e0d896d7c4a
SHA1947cde63e799d23622468caecd0172a4ce8e8c17
SHA2566f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c
SHA512eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1
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Filesize
355KB
MD5731a25a9b1f2c31056f7bd75c71deac4
SHA1ac95005a75add78f8226e553ff3bb32bcfeef1ea
SHA256d0285d1ff85d7ef17ce9e3c0b185bd93624d6fde47a2cf0ec99a8cfd4a7afb0d
SHA512efccfa84482c3a262c2efe9d5107a22a94efae352a46d01c0c677266835bb1d4b04a105ff7b94c5042640d40672576512ca06201260a5ee82257c7f524304fa4
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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
MD57a7c88293feecdc17c4f0e961138f26f
SHA11eac62e277136dbc1f30e0195c414c703e34724d
SHA256c47430c7fc0223385b25477e7672d08650e4f6fe613043d33813a85a1b843a96
SHA5124803244301f1940b1425a63ae3b53294fa6f1913e7ebaaf403a00351dfcc3a85bfb2ac49e909fc529f8be0e1dc14db804c21ba94025c2b5139ea7a5f997f9682
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD5154031c069b09c9eb906446e3440d8ad
SHA1af23ccb5d12ab77c5670932b8bdf068a4e10df67
SHA256b429135245baf2e3856735ec4ca9c450764020066fd62b7e88692b4315918258
SHA512424b106f6e5c256dcaa55a7b4dcb9eefccc8e40a4701516800c50efff7ddc0fb1107b0edc7584f282d97d1c726c761949c1990890588b130bfe16488a2090b18
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD56783140502bd31ab84355545807b2eeb
SHA167709fbcb576c69430c3315cfefba623ddd9dcdd
SHA256cb956728c89703bbe7e0cc91de64172e0c2e2e4883794006e8067d58bd40649d
SHA512848ceeaee2ed945152deb3a294de5a0f1ea815a3a896d4006056d8b02bc6d233d80f99c5eebf16f3ff8cdaaa0ae3c6fa79e50b0b58c63325ccd1d08bdcdee0cd