Analysis
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max time kernel
92s -
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
28-09-2024 13:29
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
404KB
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MD5
07beff810640c60bf60464f5e1efb5b0
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SHA1
2af2ee421ae26a98f9775bfe46821ffb47b406d3
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SHA256
2161f38eb7e940f7dadbf1cff93e3219846ad9dd1d181aceadddd9b1f549bf70
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SHA512
1ed5082b2652d1253c13803c3607afe4befa564c03f1203a6ad157f0187482382d7a1438e34a95667495c89a6ebe020d838fe61ec7f697de865fc55a3b031fa5
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SSDEEP
12288:eQn647UR3tHxUAbjUgMhcdMnAXTwHqsEO:z647UTjXUgVXTrst
Malware Config
Extracted
vidar
11
c8450254a9a0920212cb81ae7f386da3
https://t.me/jamsemlg
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
lumma
https://fragnantbui.shop/api
Signatures
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Detect Vidar Stealer 17 IoCs
resource yara_rule behavioral2/memory/2404-3-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2404-8-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2404-6-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2404-18-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2404-19-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2404-36-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2404-37-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2404-53-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2404-54-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2404-84-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2404-85-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2404-92-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2404-94-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3516-153-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3516-154-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3516-170-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3516-171-0x0000000000400000-0x0000000000676000-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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 2 IoCs
pid Process 1392 AFIIIIJKFC.exe 1584 CGCFCBAKKF.exe -
Loads dropped DLL 2 IoCs
pid Process 2404 RegAsm.exe 2404 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 5072 set thread context of 2404 5072 file.exe 83 PID 1392 set thread context of 4276 1392 AFIIIIJKFC.exe 91 PID 1584 set thread context of 3516 1584 CGCFCBAKKF.exe 97 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 3248 4276 WerFault.exe 91 4356 4276 WerFault.exe 91 -
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 AFIIIIJKFC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language CGCFCBAKKF.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 4388 timeout.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 2404 RegAsm.exe 2404 RegAsm.exe 2404 RegAsm.exe 2404 RegAsm.exe 2404 RegAsm.exe 2404 RegAsm.exe 2404 RegAsm.exe 2404 RegAsm.exe 3516 RegAsm.exe 3516 RegAsm.exe 3516 RegAsm.exe 3516 RegAsm.exe -
Suspicious use of WriteProcessMemory 50 IoCs
description pid Process procid_target PID 5072 wrote to memory of 2404 5072 file.exe 83 PID 5072 wrote to memory of 2404 5072 file.exe 83 PID 5072 wrote to memory of 2404 5072 file.exe 83 PID 5072 wrote to memory of 2404 5072 file.exe 83 PID 5072 wrote to memory of 2404 5072 file.exe 83 PID 5072 wrote to memory of 2404 5072 file.exe 83 PID 5072 wrote to memory of 2404 5072 file.exe 83 PID 5072 wrote to memory of 2404 5072 file.exe 83 PID 5072 wrote to memory of 2404 5072 file.exe 83 PID 5072 wrote to memory of 2404 5072 file.exe 83 PID 2404 wrote to memory of 1392 2404 RegAsm.exe 85 PID 2404 wrote to memory of 1392 2404 RegAsm.exe 85 PID 2404 wrote to memory of 1392 2404 RegAsm.exe 85 PID 1392 wrote to memory of 2988 1392 AFIIIIJKFC.exe 88 PID 1392 wrote to memory of 2988 1392 AFIIIIJKFC.exe 88 PID 1392 wrote to memory of 2988 1392 AFIIIIJKFC.exe 88 PID 1392 wrote to memory of 1672 1392 AFIIIIJKFC.exe 89 PID 1392 wrote to memory of 1672 1392 AFIIIIJKFC.exe 89 PID 1392 wrote to memory of 1672 1392 AFIIIIJKFC.exe 89 PID 1392 wrote to memory of 920 1392 AFIIIIJKFC.exe 90 PID 1392 wrote to memory of 920 1392 AFIIIIJKFC.exe 90 PID 1392 wrote to memory of 920 1392 AFIIIIJKFC.exe 90 PID 1392 wrote to memory of 4276 1392 AFIIIIJKFC.exe 91 PID 1392 wrote to memory of 4276 1392 AFIIIIJKFC.exe 91 PID 1392 wrote to memory of 4276 1392 AFIIIIJKFC.exe 91 PID 1392 wrote to memory of 4276 1392 AFIIIIJKFC.exe 91 PID 1392 wrote to memory of 4276 1392 AFIIIIJKFC.exe 91 PID 1392 wrote to memory of 4276 1392 AFIIIIJKFC.exe 91 PID 1392 wrote to memory of 4276 1392 AFIIIIJKFC.exe 91 PID 1392 wrote to memory of 4276 1392 AFIIIIJKFC.exe 91 PID 1392 wrote to memory of 4276 1392 AFIIIIJKFC.exe 91 PID 2404 wrote to memory of 1584 2404 RegAsm.exe 95 PID 2404 wrote to memory of 1584 2404 RegAsm.exe 95 PID 2404 wrote to memory of 1584 2404 RegAsm.exe 95 PID 1584 wrote to memory of 3516 1584 CGCFCBAKKF.exe 97 PID 1584 wrote to memory of 3516 1584 CGCFCBAKKF.exe 97 PID 1584 wrote to memory of 3516 1584 CGCFCBAKKF.exe 97 PID 1584 wrote to memory of 3516 1584 CGCFCBAKKF.exe 97 PID 1584 wrote to memory of 3516 1584 CGCFCBAKKF.exe 97 PID 1584 wrote to memory of 3516 1584 CGCFCBAKKF.exe 97 PID 1584 wrote to memory of 3516 1584 CGCFCBAKKF.exe 97 PID 1584 wrote to memory of 3516 1584 CGCFCBAKKF.exe 97 PID 1584 wrote to memory of 3516 1584 CGCFCBAKKF.exe 97 PID 1584 wrote to memory of 3516 1584 CGCFCBAKKF.exe 97 PID 2404 wrote to memory of 3596 2404 RegAsm.exe 98 PID 2404 wrote to memory of 3596 2404 RegAsm.exe 98 PID 2404 wrote to memory of 3596 2404 RegAsm.exe 98 PID 3596 wrote to memory of 4388 3596 cmd.exe 100 PID 3596 wrote to memory of 4388 3596 cmd.exe 100 PID 3596 wrote to memory of 4388 3596 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:5072 -
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:2404 -
C:\ProgramData\AFIIIIJKFC.exe"C:\ProgramData\AFIIIIJKFC.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1392 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵PID:2988
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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:1672
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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:920
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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:4276 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 13605⤵
- Program crash
PID:3248
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 13765⤵
- Program crash
PID:4356
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C:\ProgramData\CGCFCBAKKF.exe"C:\ProgramData\CGCFCBAKKF.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1584 -
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:3516
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CGIJJKEHCAKE" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3596 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4388
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 4276 -ip 42761⤵PID:2316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4276 -ip 42761⤵PID:800
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
371KB
MD5052eafad306073dc67e384f1f371c415
SHA127b45865e79e48634533d3971ddf2a0164c4f3bb
SHA2569136c32467cd79e8fdb7ea154540093c005c6cf636bc52d7af6caf170a1a828b
SHA512ad82848aca1d1c7af997c35ebd7fa6a04d01b8d09ab89f6ebeb41fd3c1b147507d6a110602fa3b6a6087b3d1ccf30d9e81f2b76af431da28dc81f4b3c6bd032d
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Filesize
404KB
MD507beff810640c60bf60464f5e1efb5b0
SHA12af2ee421ae26a98f9775bfe46821ffb47b406d3
SHA2562161f38eb7e940f7dadbf1cff93e3219846ad9dd1d181aceadddd9b1f549bf70
SHA5121ed5082b2652d1253c13803c3607afe4befa564c03f1203a6ad157f0187482382d7a1438e34a95667495c89a6ebe020d838fe61ec7f697de865fc55a3b031fa5
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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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Filesize
1KB
MD57fb5fa1534dcf77f2125b2403b30a0ee
SHA1365d96812a69ac0a4611ea4b70a3f306576cc3ea
SHA25633a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f
SHA512a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e
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Filesize
436B
MD5971c514f84bba0785f80aa1c23edfd79
SHA1732acea710a87530c6b08ecdf32a110d254a54c8
SHA256f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895
SHA51243dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
Filesize174B
MD5261ceaa5abdb279649ab112e405e66c1
SHA1041f0418b7b8b1df708494050b9dd1bf15076b17
SHA256b9a1945b35f72d0be70a0f508605055be442020a2783983ef408e69a29a25a9a
SHA5129c72677f39749a78c7d6f85f034df104e010c42a6dc27aed29e6ab71a17385cb2d7a58a116fe7812924610af8db7164aafaf548935f434d0e17f70a25da265cd
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Filesize170B
MD58919900ae7709cfdc8832cf73db4b838
SHA16429bcf765acec13da5db0e3e2d681e991963631
SHA25662afa206b78b011d4a7a6d3ee2820ec347ce2c9b93248c740320af29810748f7
SHA51263bc1768bc88702ddcbd50769ca5a76da175170acd7f29bddcac1c95e80795f24120932af5eedb3887dd6583676ed6419ba9b875e9858524b2d642251cb6488b
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Filesize
2.3MB
MD590e744829865d57082a7f452edc90de5
SHA1833b178775f39675fa4e55eab1032353514e1052
SHA256036a57102385d7f0d7b2deacf932c1c372ae30d924365b7a88f8a26657dd7550
SHA5120a2d112ff7cb806a74f5ec17fe097d28107bb497d6ed5ad28ea47e6795434ba903cdb49aaf97a9a99c08cd0411f1969cad93031246dc107c26606a898e570323