Analysis
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max time kernel
94s -
max time network
123s -
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, 05:09
Static task
static1
Behavioral task
behavioral1
Sample
3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe
Resource
win10v2004-20240802-en
General
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Target
3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.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/4196-4-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4196-9-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4196-11-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4196-25-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4196-26-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4196-42-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4196-43-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4196-59-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4196-60-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4196-84-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4196-85-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4196-92-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4196-93-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4152-140-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4152-142-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4152-144-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4152-153-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4152-154-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4152-169-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4152-170-0x0000000000400000-0x0000000000657000-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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 2 IoCs
pid Process 3920 CFBFCGIDAK.exe 4720 HDAFHIDGIJ.exe -
Loads dropped DLL 2 IoCs
pid Process 4196 RegAsm.exe 4196 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 2460 set thread context of 4196 2460 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 3920 set thread context of 1812 3920 CFBFCGIDAK.exe 95 PID 4720 set thread context of 4152 4720 HDAFHIDGIJ.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 CFBFCGIDAK.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language HDAFHIDGIJ.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 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.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 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 2440 timeout.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4196 RegAsm.exe 4196 RegAsm.exe 4196 RegAsm.exe 4196 RegAsm.exe 4196 RegAsm.exe 4196 RegAsm.exe 4196 RegAsm.exe 4196 RegAsm.exe 4152 RegAsm.exe 4152 RegAsm.exe 4152 RegAsm.exe 4152 RegAsm.exe -
Suspicious use of WriteProcessMemory 44 IoCs
description pid Process procid_target PID 2460 wrote to memory of 4196 2460 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 2460 wrote to memory of 4196 2460 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 2460 wrote to memory of 4196 2460 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 2460 wrote to memory of 4196 2460 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 2460 wrote to memory of 4196 2460 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 2460 wrote to memory of 4196 2460 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 2460 wrote to memory of 4196 2460 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 2460 wrote to memory of 4196 2460 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 2460 wrote to memory of 4196 2460 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 2460 wrote to memory of 4196 2460 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 4196 wrote to memory of 3920 4196 RegAsm.exe 91 PID 4196 wrote to memory of 3920 4196 RegAsm.exe 91 PID 4196 wrote to memory of 3920 4196 RegAsm.exe 91 PID 3920 wrote to memory of 1652 3920 CFBFCGIDAK.exe 94 PID 3920 wrote to memory of 1652 3920 CFBFCGIDAK.exe 94 PID 3920 wrote to memory of 1652 3920 CFBFCGIDAK.exe 94 PID 3920 wrote to memory of 1812 3920 CFBFCGIDAK.exe 95 PID 3920 wrote to memory of 1812 3920 CFBFCGIDAK.exe 95 PID 3920 wrote to memory of 1812 3920 CFBFCGIDAK.exe 95 PID 3920 wrote to memory of 1812 3920 CFBFCGIDAK.exe 95 PID 3920 wrote to memory of 1812 3920 CFBFCGIDAK.exe 95 PID 3920 wrote to memory of 1812 3920 CFBFCGIDAK.exe 95 PID 3920 wrote to memory of 1812 3920 CFBFCGIDAK.exe 95 PID 3920 wrote to memory of 1812 3920 CFBFCGIDAK.exe 95 PID 3920 wrote to memory of 1812 3920 CFBFCGIDAK.exe 95 PID 4196 wrote to memory of 4720 4196 RegAsm.exe 96 PID 4196 wrote to memory of 4720 4196 RegAsm.exe 96 PID 4196 wrote to memory of 4720 4196 RegAsm.exe 96 PID 4720 wrote to memory of 4152 4720 HDAFHIDGIJ.exe 98 PID 4720 wrote to memory of 4152 4720 HDAFHIDGIJ.exe 98 PID 4720 wrote to memory of 4152 4720 HDAFHIDGIJ.exe 98 PID 4720 wrote to memory of 4152 4720 HDAFHIDGIJ.exe 98 PID 4720 wrote to memory of 4152 4720 HDAFHIDGIJ.exe 98 PID 4720 wrote to memory of 4152 4720 HDAFHIDGIJ.exe 98 PID 4720 wrote to memory of 4152 4720 HDAFHIDGIJ.exe 98 PID 4720 wrote to memory of 4152 4720 HDAFHIDGIJ.exe 98 PID 4720 wrote to memory of 4152 4720 HDAFHIDGIJ.exe 98 PID 4720 wrote to memory of 4152 4720 HDAFHIDGIJ.exe 98 PID 4196 wrote to memory of 4500 4196 RegAsm.exe 99 PID 4196 wrote to memory of 4500 4196 RegAsm.exe 99 PID 4196 wrote to memory of 4500 4196 RegAsm.exe 99 PID 4500 wrote to memory of 2440 4500 cmd.exe 101 PID 4500 wrote to memory of 2440 4500 cmd.exe 101 PID 4500 wrote to memory of 2440 4500 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe"C:\Users\Admin\AppData\Local\Temp\3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2460 -
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:4196 -
C:\ProgramData\CFBFCGIDAK.exe"C:\ProgramData\CFBFCGIDAK.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵PID:1652
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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
PID:1812
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C:\ProgramData\HDAFHIDGIJ.exe"C:\ProgramData\HDAFHIDGIJ.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4720 -
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:4152
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\ECGDAAFIIJDA" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4500 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2440
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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
355KB
MD5731a25a9b1f2c31056f7bd75c71deac4
SHA1ac95005a75add78f8226e553ff3bb32bcfeef1ea
SHA256d0285d1ff85d7ef17ce9e3c0b185bd93624d6fde47a2cf0ec99a8cfd4a7afb0d
SHA512efccfa84482c3a262c2efe9d5107a22a94efae352a46d01c0c677266835bb1d4b04a105ff7b94c5042640d40672576512ca06201260a5ee82257c7f524304fa4
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Filesize
293KB
MD56d1999f1096cee3f06507e0d896d7c4a
SHA1947cde63e799d23622468caecd0172a4ce8e8c17
SHA2566f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c
SHA512eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1
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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
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
MD59fd96b75523fce6a1996617de340b825
SHA18070a6e767c5e178fa6bca5b45c335f8ec4d8a17
SHA25600dec3a2c4c957723bf8b72cbb7246316da1578b963c561bef24cb4a6571c356
SHA512c462aec7ae7265447da9e530490e55bcdceb94c5df547d8184a881c6207889d34c57ea08a829a55b8fab2613f18b32f25129206ee569253c75e57c61a07d5480
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD5db5c542c3bf8f2712b83dee442e29bbd
SHA1fb625fb8e40fb3d336d960803376dab04752dad9
SHA256e5b65006ada67f42064ed94f5894fd24a8a5cd0d998e4f34b6f9dd52d507d8ab
SHA5122cd10ddc0548be9a55f8d459c5b1fbda97a2c11e8dad01c2eda82c7f2a6a6c008eb0ed2049109e63b07aa35ed06e74bf545d48b80ec23f7acb7209eb9c43726a
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD5346e48a591c3504887e5a8d2bbed98ba
SHA17b4e86d52f2defa37b4d428e14600cdfaedbdb9d
SHA25667f5de52d065d6d7a1d208335b27faafafc87ed2fa5defaee084ac0bada4a992
SHA512cb14fe00af432547d1bb298db10758dbc2f0ffa63702a8588311873014b5d2c73faf20da5038be9f4796b3e31899e96e555269f39d215a95ded397d939a3b6e7