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Analysis
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max time kernel
94s -
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
19/09/2024, 04:35
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240903-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
6d1999f1096cee3f06507e0d896d7c4a
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SHA1
947cde63e799d23622468caecd0172a4ce8e8c17
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SHA256
6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c
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SHA512
eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1
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SSDEEP
6144:GjLJez4cSDiETFuowGsIceEprDhXEW0EP2YhkkaLr5GiHIHmhjwBIwEO:Gjdo4cQlUowGLzEJDh0HJXkUUioH8jlI
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/564-4-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/564-8-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/564-10-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/564-25-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/564-26-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/564-42-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/564-58-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/564-60-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/564-59-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/564-84-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/564-85-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/564-92-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/564-93-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3608-151-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3608-152-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3608-167-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/3608-168-0x0000000000400000-0x0000000000657000-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 4164 DAKEBAKFHC.exe 1856 DGCAAFBFBK.exe -
Loads dropped DLL 2 IoCs
pid Process 564 RegAsm.exe 564 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 4988 set thread context of 564 4988 file.exe 84 PID 4164 set thread context of 1908 4164 DAKEBAKFHC.exe 95 PID 1856 set thread context of 3608 1856 DGCAAFBFBK.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 cmd.exe 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 DAKEBAKFHC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DGCAAFBFBK.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 5072 timeout.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 564 RegAsm.exe 564 RegAsm.exe 564 RegAsm.exe 564 RegAsm.exe 564 RegAsm.exe 564 RegAsm.exe 564 RegAsm.exe 564 RegAsm.exe 3608 RegAsm.exe 3608 RegAsm.exe 3608 RegAsm.exe 3608 RegAsm.exe -
Suspicious use of WriteProcessMemory 44 IoCs
description pid Process procid_target PID 4988 wrote to memory of 3596 4988 file.exe 83 PID 4988 wrote to memory of 3596 4988 file.exe 83 PID 4988 wrote to memory of 3596 4988 file.exe 83 PID 4988 wrote to memory of 564 4988 file.exe 84 PID 4988 wrote to memory of 564 4988 file.exe 84 PID 4988 wrote to memory of 564 4988 file.exe 84 PID 4988 wrote to memory of 564 4988 file.exe 84 PID 4988 wrote to memory of 564 4988 file.exe 84 PID 4988 wrote to memory of 564 4988 file.exe 84 PID 4988 wrote to memory of 564 4988 file.exe 84 PID 4988 wrote to memory of 564 4988 file.exe 84 PID 4988 wrote to memory of 564 4988 file.exe 84 PID 4988 wrote to memory of 564 4988 file.exe 84 PID 564 wrote to memory of 4164 564 RegAsm.exe 92 PID 564 wrote to memory of 4164 564 RegAsm.exe 92 PID 564 wrote to memory of 4164 564 RegAsm.exe 92 PID 4164 wrote to memory of 1908 4164 DAKEBAKFHC.exe 95 PID 4164 wrote to memory of 1908 4164 DAKEBAKFHC.exe 95 PID 4164 wrote to memory of 1908 4164 DAKEBAKFHC.exe 95 PID 4164 wrote to memory of 1908 4164 DAKEBAKFHC.exe 95 PID 4164 wrote to memory of 1908 4164 DAKEBAKFHC.exe 95 PID 4164 wrote to memory of 1908 4164 DAKEBAKFHC.exe 95 PID 4164 wrote to memory of 1908 4164 DAKEBAKFHC.exe 95 PID 4164 wrote to memory of 1908 4164 DAKEBAKFHC.exe 95 PID 4164 wrote to memory of 1908 4164 DAKEBAKFHC.exe 95 PID 564 wrote to memory of 1856 564 RegAsm.exe 96 PID 564 wrote to memory of 1856 564 RegAsm.exe 96 PID 564 wrote to memory of 1856 564 RegAsm.exe 96 PID 1856 wrote to memory of 3608 1856 DGCAAFBFBK.exe 98 PID 1856 wrote to memory of 3608 1856 DGCAAFBFBK.exe 98 PID 1856 wrote to memory of 3608 1856 DGCAAFBFBK.exe 98 PID 1856 wrote to memory of 3608 1856 DGCAAFBFBK.exe 98 PID 1856 wrote to memory of 3608 1856 DGCAAFBFBK.exe 98 PID 1856 wrote to memory of 3608 1856 DGCAAFBFBK.exe 98 PID 1856 wrote to memory of 3608 1856 DGCAAFBFBK.exe 98 PID 1856 wrote to memory of 3608 1856 DGCAAFBFBK.exe 98 PID 1856 wrote to memory of 3608 1856 DGCAAFBFBK.exe 98 PID 1856 wrote to memory of 3608 1856 DGCAAFBFBK.exe 98 PID 564 wrote to memory of 3544 564 RegAsm.exe 99 PID 564 wrote to memory of 3544 564 RegAsm.exe 99 PID 564 wrote to memory of 3544 564 RegAsm.exe 99 PID 3544 wrote to memory of 5072 3544 cmd.exe 101 PID 3544 wrote to memory of 5072 3544 cmd.exe 101 PID 3544 wrote to memory of 5072 3544 cmd.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:4988 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:3596
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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:564 -
C:\ProgramData\DAKEBAKFHC.exe"C:\ProgramData\DAKEBAKFHC.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4164 -
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:1908
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C:\ProgramData\DGCAAFBFBK.exe"C:\ProgramData\DGCAAFBFBK.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1856 -
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:3608
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BGIJDGCAEBFI" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3544 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:5072
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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
355KB
MD5731a25a9b1f2c31056f7bd75c71deac4
SHA1ac95005a75add78f8226e553ff3bb32bcfeef1ea
SHA256d0285d1ff85d7ef17ce9e3c0b185bd93624d6fde47a2cf0ec99a8cfd4a7afb0d
SHA512efccfa84482c3a262c2efe9d5107a22a94efae352a46d01c0c677266835bb1d4b04a105ff7b94c5042640d40672576512ca06201260a5ee82257c7f524304fa4
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Filesize
293KB
MD56d1999f1096cee3f06507e0d896d7c4a
SHA1947cde63e799d23622468caecd0172a4ce8e8c17
SHA2566f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c
SHA512eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1
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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
MD5c4ab55fd4d957035b37da2a21cccbbc7
SHA1b89809cec0018bf81fba0b945a8b596852f20696
SHA256bd36f54fca4f730d8678a793b67c8b7922f1588802a926d52570b9377108f124
SHA512cdf7f6d04c8766fdb60746a8b9fde2aeadb79d863af175295fc351c389a4d127bddd0dd15337ca78473132e98b8dce8e28be430b1762fb605cbc2090f3851cf9
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD5c7bfec0d41db724efc571928957700f5
SHA14446dbb3fb9315b276708a3940f10fc2049e76fd
SHA2568a1f9375c9dbda6a31a89273ab2c65cbd4806359446f9ed006735377dcc423d8
SHA5123fa4f2361a25e75da87ee45e75505f18abcdfa6bf76d17382e3d2345c0a5ae09a4798263cd0d4292c4b3e285067ba3d3a37f04b522b208b212aa224fb38a17d0
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD50046b63a6f39ef836cf0fb9bfdf54f7c
SHA1a86fd982663786ec0e88dd5181da1f71f1c1bc12
SHA256009b07dc94d80a46b6df861f70a8e55d52dc94243649b7fd39a037d32b695d90
SHA5129c14530785785a07cf6043712120feb1d1c194d2954486b292ea1485733502cb3addc75a24d629c8df8e1e08e421c5c250afbddf6c2a235413b54c55b11c02c2