Analysis
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max time kernel
94s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
20-09-2024 00:36
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
7ee5fd9d304831f5c6862c705f3bc489
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SHA1
9ef929a65b2d5a694fb0a2b8de158650e9fdefc7
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SHA256
79f55e512650a285ebf179fa0c39eafac956174dc28518fa4280ce765cdea0dd
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SHA512
bc9a54ffd590933c64bc63cf36063b44acc524ddcabe73d5ac9d0ccdf9a2a5cf728d4074ea01d784738080e5742d98798b7404cf88ce2454d2fe8025c59da1bb
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SSDEEP
6144:qH08ktuJISF2DYAs61NlSf0huSAkhpZvwO06BvZ57FQEO:qU8wuXF2DYAHne00dMZvwQBneEO
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://questionmwq.shop/api
https://chickerkuso.shop/api
https://achievenmtynwjq.shop/api
https://puredoffustow.shop/api
https://opponnentduei.shop/api
https://metallygaricwo.shop/api
https://milldymarskwom.shop/api
https://quotamkdsdqo.shop/api
https://carrtychaintnyw.shop/api
Signatures
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Detect Vidar Stealer 21 IoCs
resource yara_rule behavioral2/memory/4396-4-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4396-11-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4396-9-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4396-25-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4396-26-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4396-42-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4396-43-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4396-59-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4396-60-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4396-84-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4396-85-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4396-92-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4396-93-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4084-132-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4084-134-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4084-136-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4084-145-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4084-146-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4084-161-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4084-177-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4084-178-0x0000000000400000-0x0000000000657000-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 4552 FIDHCFBAKF.exe 3820 IECAFHDBGH.exe -
Loads dropped DLL 2 IoCs
pid Process 4396 RegAsm.exe 4396 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 3588 set thread context of 4396 3588 file.exe 83 PID 4552 set thread context of 2256 4552 FIDHCFBAKF.exe 96 PID 3820 set thread context of 4084 3820 IECAFHDBGH.exe 97 -
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 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 FIDHCFBAKF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IECAFHDBGH.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.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 4724 timeout.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4396 RegAsm.exe 4396 RegAsm.exe 4396 RegAsm.exe 4396 RegAsm.exe 4396 RegAsm.exe 4396 RegAsm.exe 4396 RegAsm.exe 4396 RegAsm.exe 4084 RegAsm.exe 4084 RegAsm.exe 4084 RegAsm.exe 4084 RegAsm.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 3588 wrote to memory of 4396 3588 file.exe 83 PID 3588 wrote to memory of 4396 3588 file.exe 83 PID 3588 wrote to memory of 4396 3588 file.exe 83 PID 3588 wrote to memory of 4396 3588 file.exe 83 PID 3588 wrote to memory of 4396 3588 file.exe 83 PID 3588 wrote to memory of 4396 3588 file.exe 83 PID 3588 wrote to memory of 4396 3588 file.exe 83 PID 3588 wrote to memory of 4396 3588 file.exe 83 PID 3588 wrote to memory of 4396 3588 file.exe 83 PID 3588 wrote to memory of 4396 3588 file.exe 83 PID 4396 wrote to memory of 4552 4396 RegAsm.exe 91 PID 4396 wrote to memory of 4552 4396 RegAsm.exe 91 PID 4396 wrote to memory of 4552 4396 RegAsm.exe 91 PID 4396 wrote to memory of 3820 4396 RegAsm.exe 94 PID 4396 wrote to memory of 3820 4396 RegAsm.exe 94 PID 4396 wrote to memory of 3820 4396 RegAsm.exe 94 PID 4552 wrote to memory of 2256 4552 FIDHCFBAKF.exe 96 PID 4552 wrote to memory of 2256 4552 FIDHCFBAKF.exe 96 PID 4552 wrote to memory of 2256 4552 FIDHCFBAKF.exe 96 PID 4552 wrote to memory of 2256 4552 FIDHCFBAKF.exe 96 PID 4552 wrote to memory of 2256 4552 FIDHCFBAKF.exe 96 PID 4552 wrote to memory of 2256 4552 FIDHCFBAKF.exe 96 PID 4552 wrote to memory of 2256 4552 FIDHCFBAKF.exe 96 PID 4552 wrote to memory of 2256 4552 FIDHCFBAKF.exe 96 PID 4552 wrote to memory of 2256 4552 FIDHCFBAKF.exe 96 PID 3820 wrote to memory of 4084 3820 IECAFHDBGH.exe 97 PID 3820 wrote to memory of 4084 3820 IECAFHDBGH.exe 97 PID 3820 wrote to memory of 4084 3820 IECAFHDBGH.exe 97 PID 3820 wrote to memory of 4084 3820 IECAFHDBGH.exe 97 PID 3820 wrote to memory of 4084 3820 IECAFHDBGH.exe 97 PID 3820 wrote to memory of 4084 3820 IECAFHDBGH.exe 97 PID 3820 wrote to memory of 4084 3820 IECAFHDBGH.exe 97 PID 3820 wrote to memory of 4084 3820 IECAFHDBGH.exe 97 PID 3820 wrote to memory of 4084 3820 IECAFHDBGH.exe 97 PID 3820 wrote to memory of 4084 3820 IECAFHDBGH.exe 97 PID 4396 wrote to memory of 1624 4396 RegAsm.exe 98 PID 4396 wrote to memory of 1624 4396 RegAsm.exe 98 PID 4396 wrote to memory of 1624 4396 RegAsm.exe 98 PID 1624 wrote to memory of 4724 1624 cmd.exe 100 PID 1624 wrote to memory of 4724 1624 cmd.exe 100 PID 1624 wrote to memory of 4724 1624 cmd.exe 100
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:3588 -
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:4396 -
C:\ProgramData\FIDHCFBAKF.exe"C:\ProgramData\FIDHCFBAKF.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4552 -
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:2256
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C:\ProgramData\IECAFHDBGH.exe"C:\ProgramData\IECAFHDBGH.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3820 -
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:4084
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IIEHCFIDHIDG" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1624 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4724
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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
124KB
MD59618e15b04a4ddb39ed6c496575f6f95
SHA11c28f8750e5555776b3c80b187c5d15a443a7412
SHA256a4cd72e529e60b5f74c50e4e5b159efaf80625f23534dd15a28203760b8b28ab
SHA512f802582aa7510f6b950e3343b0560ffa9037c6d22373a6a33513637ab0f8e60ed23294a13ad8890935b02c64830b5232ba9f60d0c0fe90df02b5da30ecd7fa26
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Filesize
114KB
MD53cfabadfcb05a77b204fe1a6b09a5c90
SHA1f106b5ed22265e64bc61dc5cf1e2d33ed12ec18d
SHA256693617c470d7472e751d872341061cfb663f22ee95bdb42f9db01f02cb90df9c
SHA512d5502023a17213919e2e991f5ba2d0d2c08223fd489d876a47a37239b637d03ace9cb9b92deb71460ae4030194ca49ce9e9752e0bf2ccbcd297dc5afe62a4e7b
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Filesize
160KB
MD5f310cf1ff562ae14449e0167a3e1fe46
SHA185c58afa9049467031c6c2b17f5c12ca73bb2788
SHA256e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855
SHA5121196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad
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Filesize
354KB
MD5384a847ad2833788fa253433fd2eea8d
SHA11984d8788fe40bd95a90d7d4e9dea6c4e4ff6201
SHA256de30491736617249b3e80fc9436ecf0f7675b3c3014509398c3db7298f93336a
SHA512bcdbd44837629d8881c29a7c7f6a2d4e98b52fbc49952bad2c89340a1dee18fac9987aaa8a3d91905a1f88a216c0e2501201a8665f3df7d5f627ff71a2418aac
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Filesize
292KB
MD54a8a0ccfecc930091116324c79c1006e
SHA1d790befcbc31a4befafeaf08879e15f99633b2a1
SHA256146b7006b041d25b6846c797234f38387ec4b141c4a7e4f100d0e6d2eda29088
SHA512ffef04766c2a9f9d038ccf6156ac7f03a0e0809adaf245a1347e5ece6ad31f9b37f283d71d34c031350456f30036078d5a3e97fa563bf6af6a8fcf6edeeb25d2
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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
MD5c7d6f1d1ad473815e5ce9720cdf98eb7
SHA1e7a5c7eb8b106aab9a4aa0f1cea6d897701f7b39
SHA25658062d352802a2d2101dfd3bf507a67dce697815d1ac52c51f102cee061c7dea
SHA5128b095204af0b9cd44c6fd9b198b5a59378d04d843105370594fe689aa25200b0578d69682cb77537175436744f16c1af3d3e028de421c8bfaf039e0ed2514c8d
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize2KB
MD57ec05ad5ad4ea2f59d78a181b608dfb1
SHA195dfcb1ca8c7c6353bfc940c79f877d491158faa
SHA256197a38efa533f9ff60b730cbc9b5fb604893e8dfb08a9ba85f0e5424779e3759
SHA512da07b1ce6b278f20a93cfb83107be1a96bd134657be71f31b314e981ae9f85a8db50ae10458612bd460baca5e9402d5bce61b11ed648b191be42882273b8c00a
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize1KB
MD59ea353ed4fed6ed641da2a1a1e66cbf3
SHA142cf55d3608819795042c23df5f18fcd2b6b0c58
SHA2565245794a9cb70971f00a51f56b8b5305d16629c4d0d0e95916371a20a6119485
SHA5127476acf575e998c56bae27703d635c82a5cfd43f736b9618ec430168148f25d79c97ca344670298b51956ca0b3707d6499ef5865fe1b933acb948dddc822d05e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize458B
MD5982d0b8f073ea250d7ea3a11a4d8d13f
SHA19948694147fd8eae602b0f3c04e2b094202f6f2c
SHA2568cbdd9879b4d2a479332008407323f81bca85e3898f2481c78d7f1869bb7a6f8
SHA5128cdf7086217b8729a58e5adb3134a4daf76b5f746262b905c94594f9e63ffe70b15b504e8ab326186ca369f062bdd24b2b72804eac798697632720986d6c354a
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD5e8061e001df6f877346681c0955a0033
SHA182e289a5fc0f79deb9b13c0c97946fc2b14cb2e6
SHA256b17ce3c77980d0c81dbc6676691302abfc0a9684295c5d4f817bb15b3fcbd6f4
SHA512877474035142a542cc753492542a7370526c1d4ad2349279b7a52bbf57c6758b382686633bcb64eb97d1eafb059a45f14e6a0ea7207830f2f99a15a4b286df01
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD5d28682f91caf726d08116446c8e6f6b4
SHA1901883871d8c4ceb85d4ff376e4891f8d49d395b
SHA256b756799faf47562da7572c0f143eba29d92a116ccbefef7ae99a3026a145cdb5
SHA512ee29426484017919a3344fb554ba0fadb29672a570abce7ebd51d6123809865d7e1fe47dfaed474f142d6d30eac770ec087c6228321d275c829762ec48b7d6d9