Analysis
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max time kernel
95s -
max time network
153s -
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 17:50
Static task
static1
Behavioral task
behavioral1
Sample
vfdsht16.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
vfdsht16.exe
Resource
win10v2004-20240802-en
General
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Target
vfdsht16.exe
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Size
403KB
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MD5
4453d7bc66e29c48ed6495bfa820e5b5
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SHA1
da622e588d635bbadd7ff04ad3df5db191ff0549
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SHA256
941e7002f11290e3ed9dd99d8cc0abc62f6cf69b923ae30b89741579854a8a70
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SHA512
d23950922301cf5cf2e489e5d50e76f2b92ee0b02a4ec3cff532cce72ff3e86a4668d65431402b772570bc9a6d6991f7e6848991e9a66ecb2227ce4b4d5d6306
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SSDEEP
6144:hReQugxZ1Af9bSqoU5GMSUfoVs6ZPTl0ocTpSqN8r2JNrHzJGGO78M6p+z3ZLq2Z:huXSqoUM2qsQJ28SvrE6wLq2syEO
Malware Config
Extracted
vidar
11
b26735cbe8ca9e75712ffe3aa40c4a60
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/3828-3-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3828-8-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3828-6-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3828-18-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3828-19-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3828-35-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3828-36-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3828-52-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3828-53-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3828-77-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3828-78-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3828-86-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3828-87-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4988-130-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4988-134-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4988-132-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4988-141-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4988-142-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4988-157-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4988-158-0x0000000000400000-0x0000000000676000-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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 2 IoCs
pid Process 3344 GDBKJDGIJE.exe 1772 ECFHJKEBAA.exe -
Loads dropped DLL 2 IoCs
pid Process 3828 RegAsm.exe 3828 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 1088 set thread context of 3828 1088 vfdsht16.exe 84 PID 3344 set thread context of 644 3344 GDBKJDGIJE.exe 97 PID 1772 set thread context of 4988 1772 ECFHJKEBAA.exe 103 -
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 vfdsht16.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language GDBKJDGIJE.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ECFHJKEBAA.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 1740 timeout.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 3828 RegAsm.exe 3828 RegAsm.exe 3828 RegAsm.exe 3828 RegAsm.exe 3828 RegAsm.exe 3828 RegAsm.exe 3828 RegAsm.exe 3828 RegAsm.exe 4988 RegAsm.exe 4988 RegAsm.exe 4988 RegAsm.exe 4988 RegAsm.exe -
Suspicious use of WriteProcessMemory 59 IoCs
description pid Process procid_target PID 1088 wrote to memory of 1724 1088 vfdsht16.exe 83 PID 1088 wrote to memory of 1724 1088 vfdsht16.exe 83 PID 1088 wrote to memory of 1724 1088 vfdsht16.exe 83 PID 1088 wrote to memory of 3828 1088 vfdsht16.exe 84 PID 1088 wrote to memory of 3828 1088 vfdsht16.exe 84 PID 1088 wrote to memory of 3828 1088 vfdsht16.exe 84 PID 1088 wrote to memory of 3828 1088 vfdsht16.exe 84 PID 1088 wrote to memory of 3828 1088 vfdsht16.exe 84 PID 1088 wrote to memory of 3828 1088 vfdsht16.exe 84 PID 1088 wrote to memory of 3828 1088 vfdsht16.exe 84 PID 1088 wrote to memory of 3828 1088 vfdsht16.exe 84 PID 1088 wrote to memory of 3828 1088 vfdsht16.exe 84 PID 1088 wrote to memory of 3828 1088 vfdsht16.exe 84 PID 3828 wrote to memory of 3344 3828 RegAsm.exe 92 PID 3828 wrote to memory of 3344 3828 RegAsm.exe 92 PID 3828 wrote to memory of 3344 3828 RegAsm.exe 92 PID 3344 wrote to memory of 3796 3344 GDBKJDGIJE.exe 95 PID 3344 wrote to memory of 3796 3344 GDBKJDGIJE.exe 95 PID 3344 wrote to memory of 3796 3344 GDBKJDGIJE.exe 95 PID 3344 wrote to memory of 3196 3344 GDBKJDGIJE.exe 96 PID 3344 wrote to memory of 3196 3344 GDBKJDGIJE.exe 96 PID 3344 wrote to memory of 3196 3344 GDBKJDGIJE.exe 96 PID 3344 wrote to memory of 644 3344 GDBKJDGIJE.exe 97 PID 3344 wrote to memory of 644 3344 GDBKJDGIJE.exe 97 PID 3344 wrote to memory of 644 3344 GDBKJDGIJE.exe 97 PID 3344 wrote to memory of 644 3344 GDBKJDGIJE.exe 97 PID 3344 wrote to memory of 644 3344 GDBKJDGIJE.exe 97 PID 3344 wrote to memory of 644 3344 GDBKJDGIJE.exe 97 PID 3344 wrote to memory of 644 3344 GDBKJDGIJE.exe 97 PID 3344 wrote to memory of 644 3344 GDBKJDGIJE.exe 97 PID 3344 wrote to memory of 644 3344 GDBKJDGIJE.exe 97 PID 3828 wrote to memory of 1772 3828 RegAsm.exe 98 PID 3828 wrote to memory of 1772 3828 RegAsm.exe 98 PID 3828 wrote to memory of 1772 3828 RegAsm.exe 98 PID 1772 wrote to memory of 3388 1772 ECFHJKEBAA.exe 100 PID 1772 wrote to memory of 3388 1772 ECFHJKEBAA.exe 100 PID 1772 wrote to memory of 3388 1772 ECFHJKEBAA.exe 100 PID 1772 wrote to memory of 916 1772 ECFHJKEBAA.exe 101 PID 1772 wrote to memory of 916 1772 ECFHJKEBAA.exe 101 PID 1772 wrote to memory of 916 1772 ECFHJKEBAA.exe 101 PID 1772 wrote to memory of 1424 1772 ECFHJKEBAA.exe 102 PID 1772 wrote to memory of 1424 1772 ECFHJKEBAA.exe 102 PID 1772 wrote to memory of 1424 1772 ECFHJKEBAA.exe 102 PID 1772 wrote to memory of 4988 1772 ECFHJKEBAA.exe 103 PID 1772 wrote to memory of 4988 1772 ECFHJKEBAA.exe 103 PID 1772 wrote to memory of 4988 1772 ECFHJKEBAA.exe 103 PID 1772 wrote to memory of 4988 1772 ECFHJKEBAA.exe 103 PID 1772 wrote to memory of 4988 1772 ECFHJKEBAA.exe 103 PID 1772 wrote to memory of 4988 1772 ECFHJKEBAA.exe 103 PID 1772 wrote to memory of 4988 1772 ECFHJKEBAA.exe 103 PID 1772 wrote to memory of 4988 1772 ECFHJKEBAA.exe 103 PID 1772 wrote to memory of 4988 1772 ECFHJKEBAA.exe 103 PID 1772 wrote to memory of 4988 1772 ECFHJKEBAA.exe 103 PID 3828 wrote to memory of 3624 3828 RegAsm.exe 104 PID 3828 wrote to memory of 3624 3828 RegAsm.exe 104 PID 3828 wrote to memory of 3624 3828 RegAsm.exe 104 PID 3624 wrote to memory of 1740 3624 cmd.exe 106 PID 3624 wrote to memory of 1740 3624 cmd.exe 106 PID 3624 wrote to memory of 1740 3624 cmd.exe 106
Processes
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C:\Users\Admin\AppData\Local\Temp\vfdsht16.exe"C:\Users\Admin\AppData\Local\Temp\vfdsht16.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1088 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:1724
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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:3828 -
C:\ProgramData\GDBKJDGIJE.exe"C:\ProgramData\GDBKJDGIJE.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3344 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵PID:3796
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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:3196
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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:644
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C:\ProgramData\ECFHJKEBAA.exe"C:\ProgramData\ECFHJKEBAA.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1772 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵PID:3388
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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:916
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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:1424
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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:4988
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JJJEGHDAECBF" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3624 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1740
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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
403KB
MD52cce29d734ea1d227b338834698e2de4
SHA141700cd1bcf5f5bcca81ce722ed47fc17bd030c2
SHA256f75acf936390f89239c43552717efb65c4c3190b16a7eec62dcd0053a045e91d
SHA512ea0b440113a225764b38ae2526a10f7e4f3081e4a353e9831cf0e846ac7ba97ea7c2b4a12ab6fac5708a7855da8967f1b6bc661757dc68d819d11887a6af20b5
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Filesize
376KB
MD516f5b27c9e1376c17b03bf8c5090db3c
SHA1676145ab7ca93e0463b931e6a056804b8f42119e
SHA2567952e7769a991c349cc092b9cb3d1505405e793b526f49c784c343dd7d3cd227
SHA51223fe6e23e80257469c09ba68b2c78ee6b3c03700e8173eff4e2ca94964ad3ab8f2b0cb20dd01e483bf6b7d8de1138bc946cebba6bec10d78e7ccec6dc0c3cb5e
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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
MD555b7b7fb1a3d5af91613795736fbaff0
SHA12b47b135f9a551c48d29e07d1e6bfb75ea562a12
SHA256126983482372932224a9aac7f2bb490480958c5fce954d3efe417cb6748dce17
SHA512d73cc39617f4103de304afed71b4ce830d05450c834200c296b1661849788f919d2ab789f3dfd9ce0ba5935d344cbbbdcf28e241f9c903227e7403841f950c14
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Filesize
33KB
MD5ff9dd6d8f444cfab02c3710ed92bd64c
SHA1b8be64b0e2667a5d720fa7f168c165eacbcd800a
SHA2563a082f3f6345b4a3e84035a8878caccb41d536054f52a17608ec4d5dbb583637
SHA5121950aed4df3170689ffcbbeb2ebb080f97c8d9332eb504237cc86cc41f4ea3303f4828878b074a8a1de2e5c1c942387d9f705744a41483fe1d4ed349f406f46f