Analysis
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max time kernel
93s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
26-09-2024 19:05
Static task
static1
Behavioral task
behavioral1
Sample
e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe
Resource
win10v2004-20240802-en
General
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Target
e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe
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Size
403KB
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MD5
e02a6087d9257c00071b3cc1508a95ef
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SHA1
8081f2bd757d470e08711133cfb7a4ca17f2fb1f
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SHA256
e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811
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SHA512
51bf529586489576b9c1f4fc204dc15328a30a929f8d96c47bd13fe04f8aab43b45ba53352818b26af3f20d5ca86c6b7ec4f9bb750052b2b079a079092830fbc
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SSDEEP
12288:mo5mDRjeDmJaLmihjPYAGBJMJuydlSJstPJYHH0fwsMMGEO:mlRWlLmMjPYAGzuldsncwzBt
Malware Config
Extracted
vidar
11
6c8ce6f422a1d9cf34f23d1c2168e754
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0
Extracted
lumma
https://reinforcenh.shop/api
https://stogeneratmns.shop/api
https://fragnantbui.shop/api
https://drawzhotdog.shop/api
https://vozmeatillu.shop/api
https://offensivedzvju.shop/api
https://ghostreedmnu.shop/api
https://gutterydhowi.shop/api
Extracted
vidar
11
e90840a846d017e7b095f7543cdf2d15
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0
Extracted
lumma
https://ghostreedmnu.shop/api
https://gutterydhowi.shop/api
https://offensivedzvju.shop/api
https://vozmeatillu.shop/api
https://drawzhotdog.shop/api
https://fragnantbui.shop/api
https://stogeneratmns.shop/api
https://reinforcenh.shop/api
https://ballotnwu.site/api
Signatures
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Detect Vidar Stealer 20 IoCs
resource yara_rule behavioral2/memory/2676-3-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2676-8-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2676-6-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2676-18-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2676-19-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2676-35-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2676-36-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2676-52-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2676-53-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2676-77-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2676-79-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2676-86-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2676-87-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3852-131-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3852-133-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3852-129-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3852-140-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3852-141-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3852-156-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3852-158-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 -
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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 2 IoCs
pid Process 2236 CBFCBKKFBA.exe 3132 ECFCBKJDBF.exe -
Loads dropped DLL 2 IoCs
pid Process 2676 RegAsm.exe 2676 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 3 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 1232 set thread context of 2676 1232 e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe 84 PID 2236 set thread context of 4976 2236 CBFCBKKFBA.exe 95 PID 3132 set thread context of 3852 3132 ECFCBKJDBF.exe 99 -
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 CBFCBKKFBA.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ECFCBKJDBF.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 e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.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 464 timeout.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 2676 RegAsm.exe 2676 RegAsm.exe 2676 RegAsm.exe 2676 RegAsm.exe 2676 RegAsm.exe 2676 RegAsm.exe 2676 RegAsm.exe 2676 RegAsm.exe 3852 RegAsm.exe 3852 RegAsm.exe 3852 RegAsm.exe 3852 RegAsm.exe -
Suspicious use of WriteProcessMemory 47 IoCs
description pid Process procid_target PID 1232 wrote to memory of 4748 1232 e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe 83 PID 1232 wrote to memory of 4748 1232 e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe 83 PID 1232 wrote to memory of 4748 1232 e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe 83 PID 1232 wrote to memory of 2676 1232 e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe 84 PID 1232 wrote to memory of 2676 1232 e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe 84 PID 1232 wrote to memory of 2676 1232 e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe 84 PID 1232 wrote to memory of 2676 1232 e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe 84 PID 1232 wrote to memory of 2676 1232 e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe 84 PID 1232 wrote to memory of 2676 1232 e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe 84 PID 1232 wrote to memory of 2676 1232 e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe 84 PID 1232 wrote to memory of 2676 1232 e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe 84 PID 1232 wrote to memory of 2676 1232 e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe 84 PID 1232 wrote to memory of 2676 1232 e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe 84 PID 2676 wrote to memory of 2236 2676 RegAsm.exe 92 PID 2676 wrote to memory of 2236 2676 RegAsm.exe 92 PID 2676 wrote to memory of 2236 2676 RegAsm.exe 92 PID 2236 wrote to memory of 4976 2236 CBFCBKKFBA.exe 95 PID 2236 wrote to memory of 4976 2236 CBFCBKKFBA.exe 95 PID 2236 wrote to memory of 4976 2236 CBFCBKKFBA.exe 95 PID 2236 wrote to memory of 4976 2236 CBFCBKKFBA.exe 95 PID 2236 wrote to memory of 4976 2236 CBFCBKKFBA.exe 95 PID 2236 wrote to memory of 4976 2236 CBFCBKKFBA.exe 95 PID 2236 wrote to memory of 4976 2236 CBFCBKKFBA.exe 95 PID 2236 wrote to memory of 4976 2236 CBFCBKKFBA.exe 95 PID 2236 wrote to memory of 4976 2236 CBFCBKKFBA.exe 95 PID 2676 wrote to memory of 3132 2676 RegAsm.exe 96 PID 2676 wrote to memory of 3132 2676 RegAsm.exe 96 PID 2676 wrote to memory of 3132 2676 RegAsm.exe 96 PID 3132 wrote to memory of 4316 3132 ECFCBKJDBF.exe 98 PID 3132 wrote to memory of 4316 3132 ECFCBKJDBF.exe 98 PID 3132 wrote to memory of 4316 3132 ECFCBKJDBF.exe 98 PID 3132 wrote to memory of 3852 3132 ECFCBKJDBF.exe 99 PID 3132 wrote to memory of 3852 3132 ECFCBKJDBF.exe 99 PID 3132 wrote to memory of 3852 3132 ECFCBKJDBF.exe 99 PID 3132 wrote to memory of 3852 3132 ECFCBKJDBF.exe 99 PID 3132 wrote to memory of 3852 3132 ECFCBKJDBF.exe 99 PID 3132 wrote to memory of 3852 3132 ECFCBKJDBF.exe 99 PID 3132 wrote to memory of 3852 3132 ECFCBKJDBF.exe 99 PID 3132 wrote to memory of 3852 3132 ECFCBKJDBF.exe 99 PID 3132 wrote to memory of 3852 3132 ECFCBKJDBF.exe 99 PID 3132 wrote to memory of 3852 3132 ECFCBKJDBF.exe 99 PID 2676 wrote to memory of 3992 2676 RegAsm.exe 100 PID 2676 wrote to memory of 3992 2676 RegAsm.exe 100 PID 2676 wrote to memory of 3992 2676 RegAsm.exe 100 PID 3992 wrote to memory of 464 3992 cmd.exe 102 PID 3992 wrote to memory of 464 3992 cmd.exe 102 PID 3992 wrote to memory of 464 3992 cmd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe"C:\Users\Admin\AppData\Local\Temp\e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1232 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:4748
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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:2676 -
C:\ProgramData\CBFCBKKFBA.exe"C:\ProgramData\CBFCBKKFBA.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2236 -
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:4976
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C:\ProgramData\ECFCBKJDBF.exe"C:\ProgramData\ECFCBKJDBF.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3132 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵PID:4316
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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:3852
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EHDGIJJDGCBK" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3992 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:464
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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
376KB
MD516f5b27c9e1376c17b03bf8c5090db3c
SHA1676145ab7ca93e0463b931e6a056804b8f42119e
SHA2567952e7769a991c349cc092b9cb3d1505405e793b526f49c784c343dd7d3cd227
SHA51223fe6e23e80257469c09ba68b2c78ee6b3c03700e8173eff4e2ca94964ad3ab8f2b0cb20dd01e483bf6b7d8de1138bc946cebba6bec10d78e7ccec6dc0c3cb5e
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Filesize
160KB
MD5f310cf1ff562ae14449e0167a3e1fe46
SHA185c58afa9049467031c6c2b17f5c12ca73bb2788
SHA256e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855
SHA5121196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad
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Filesize
403KB
MD52cce29d734ea1d227b338834698e2de4
SHA141700cd1bcf5f5bcca81ce722ed47fc17bd030c2
SHA256f75acf936390f89239c43552717efb65c4c3190b16a7eec62dcd0053a045e91d
SHA512ea0b440113a225764b38ae2526a10f7e4f3081e4a353e9831cf0e846ac7ba97ea7c2b4a12ab6fac5708a7855da8967f1b6bc661757dc68d819d11887a6af20b5
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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\EDC238BFF48A31D55A97E1E93892934B_C31B2498754E340573F1336DE607D619
Filesize471B
MD52d2427308444f4dcf76ef7d3a4a15671
SHA1412f4955f05a781cf68b68ead5fc908f986410d5
SHA256a5ee25390d9316d1996a3f52ed43a3523dcae3803d1127f546a3a9337eea9b32
SHA512d9fd366db9e0728f630d5845e0ac3132c2f337c57efcede1a53193a5a6f19a9c0e3cea80122a3de6ca95b6054f3d4daf53a920f0278dc8f233f6745afadd3a7f
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EDC238BFF48A31D55A97E1E93892934B_C31B2498754E340573F1336DE607D619
Filesize400B
MD5f41da8fe41b22b9d3703abcbcd725e9a
SHA100813e70f943f1d38e4a540425270ca167784161
SHA2567371296fb762d26a5ec6230bfdb540dea399e0da85f14e3f657869041b3d3b47
SHA512d26c5e69a0f05421ea7eea8a89b2a3dbe2c32147f2a91286d8b9e641f28120636aeb54c14894c8914b24b193b07ce7d5c73d4e2a942ebc10f4736c65424e32b6
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Filesize
33KB
MD577f2d3bc2e718ae4ae3bdc7089a91338
SHA1928a5aa6bdc3c174d72fb67a00495d7a7c00ebe9
SHA256efeec093ff9ca9fe46ba2f7d34b7b616b4cea71073e988085907eeb1560a9f81
SHA5129b4e8e3a7865c2ff06c5ffcd09cb69044a0318ec34672a7b9a8df5aa6f3a02191cd0e165ca49c7d05a896e59df99f2cd345e396ce29edfc791e31db458d63e88