Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
17-09-2024 01:11
Static task
static1
Behavioral task
behavioral1
Sample
434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe
Resource
win10v2004-20240802-en
General
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Target
434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe
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Size
283KB
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MD5
0d2bcf6e8f35ef48b85b997e23fbec5f
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SHA1
3d1bac7342eff07e1f5682e7ad591f0be2eff9d4
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SHA256
434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48
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SHA512
3be9df19930613b864daa5f903dafddad3e758fe4cf8863b69b7b43a7b3222601800543b7c8d0ef8063a3e01af702a1bd04f04edb391091314f10d5f98861350
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SSDEEP
6144:AA0VuptENYAdPF3ghtSgrFk0ynrSmOoFiY8+bXU9eNqgzdsq7JEO:HaupqNYAdd30cgafO0FigEO
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/1924-4-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1924-10-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1924-7-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1924-24-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1924-40-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1924-41-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1924-42-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1924-58-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1924-59-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1924-83-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1924-84-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1924-92-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1924-93-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2232-124-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2232-126-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2232-128-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2232-137-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2232-138-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2232-153-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2232-154-0x0000000000400000-0x0000000000657000-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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 2 IoCs
pid Process 2360 ECFHIJKJKF.exe 3060 DAFHIDGIJK.exe -
Loads dropped DLL 2 IoCs
pid Process 1924 RegAsm.exe 1924 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 2 IoCs
description pid Process procid_target PID 384 set thread context of 1924 384 434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe 84 PID 3060 set thread context of 2232 3060 DAFHIDGIJK.exe 97 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 1404 2360 WerFault.exe 92 -
System Location Discovery: System Language Discovery 1 TTPs 7 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ECFHIJKJKF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DAFHIDGIJK.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 760 timeout.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 1924 RegAsm.exe 1924 RegAsm.exe 1924 RegAsm.exe 1924 RegAsm.exe 1924 RegAsm.exe 1924 RegAsm.exe 1924 RegAsm.exe 1924 RegAsm.exe 2232 RegAsm.exe 2232 RegAsm.exe 2232 RegAsm.exe 2232 RegAsm.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 384 wrote to memory of 5092 384 434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe 83 PID 384 wrote to memory of 5092 384 434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe 83 PID 384 wrote to memory of 5092 384 434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe 83 PID 384 wrote to memory of 1924 384 434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe 84 PID 384 wrote to memory of 1924 384 434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe 84 PID 384 wrote to memory of 1924 384 434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe 84 PID 384 wrote to memory of 1924 384 434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe 84 PID 384 wrote to memory of 1924 384 434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe 84 PID 384 wrote to memory of 1924 384 434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe 84 PID 384 wrote to memory of 1924 384 434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe 84 PID 384 wrote to memory of 1924 384 434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe 84 PID 384 wrote to memory of 1924 384 434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe 84 PID 384 wrote to memory of 1924 384 434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe 84 PID 1924 wrote to memory of 2360 1924 RegAsm.exe 92 PID 1924 wrote to memory of 2360 1924 RegAsm.exe 92 PID 1924 wrote to memory of 2360 1924 RegAsm.exe 92 PID 1924 wrote to memory of 3060 1924 RegAsm.exe 95 PID 1924 wrote to memory of 3060 1924 RegAsm.exe 95 PID 1924 wrote to memory of 3060 1924 RegAsm.exe 95 PID 3060 wrote to memory of 2232 3060 DAFHIDGIJK.exe 97 PID 3060 wrote to memory of 2232 3060 DAFHIDGIJK.exe 97 PID 3060 wrote to memory of 2232 3060 DAFHIDGIJK.exe 97 PID 3060 wrote to memory of 2232 3060 DAFHIDGIJK.exe 97 PID 3060 wrote to memory of 2232 3060 DAFHIDGIJK.exe 97 PID 3060 wrote to memory of 2232 3060 DAFHIDGIJK.exe 97 PID 3060 wrote to memory of 2232 3060 DAFHIDGIJK.exe 97 PID 3060 wrote to memory of 2232 3060 DAFHIDGIJK.exe 97 PID 3060 wrote to memory of 2232 3060 DAFHIDGIJK.exe 97 PID 3060 wrote to memory of 2232 3060 DAFHIDGIJK.exe 97 PID 1924 wrote to memory of 3284 1924 RegAsm.exe 101 PID 1924 wrote to memory of 3284 1924 RegAsm.exe 101 PID 1924 wrote to memory of 3284 1924 RegAsm.exe 101 PID 3284 wrote to memory of 760 3284 cmd.exe 103 PID 3284 wrote to memory of 760 3284 cmd.exe 103 PID 3284 wrote to memory of 760 3284 cmd.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe"C:\Users\Admin\AppData\Local\Temp\434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:384 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:5092
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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:1924 -
C:\ProgramData\ECFHIJKJKF.exe"C:\ProgramData\ECFHIJKJKF.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2360 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 8764⤵
- Program crash
PID:1404
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C:\ProgramData\DAFHIDGIJK.exe"C:\ProgramData\DAFHIDGIJK.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3060 -
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:2232
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IIIEBGCBGIDH" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3284 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:760
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2360 -ip 23601⤵PID:4540
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
283KB
MD5ac7314c596e766b8f4f368579e2e0f8f
SHA10e4941e5e4299d04b9408194542c7362bcabcd2f
SHA256be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9
SHA5124258b6d15cd1c87d1787507f9132e5cf2caebfbf46dd055950dec8bb55faa094571d5b88cc58078adbab49f72fd3439f14ccae04de3d4bde672a540699a49428
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Filesize
322KB
MD5a5098dee7d78acfb0294523855906aad
SHA15f44ca3f038456d07f7702cf061e7dad0039a8fb
SHA256b07e6681aedf25d80c36bb0cb362d3d9c22c17a42d03e42e0d2413ad1be1a4c2
SHA512b962efb2830b82e3cb4e39e3bd09ae68211dc0842ebd3c497e9425fcdd8ffb6eb09ca29386bf80fe9487346979592cbbc0f14c71e81129faf5ffd6f544226552
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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
MD5f3996f922326413e2e955f3774434d01
SHA1a68789fa985ebfab0c61bbee12098e404288cded
SHA25634a9640d4292dbc5d1fee85322b3c457eb2ee28284618a602ec936de9a104200
SHA51234b7c1c1e5bdaa7da31887fce2b8069203922599824fd28e1db53cd0ebd343118c7899f56159eeb0500c96ca0ba4e9f28a6695f8032ca4acb4ee17204b746376
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize2KB
MD5e2e9309062d386d7fec2730d865be1b3
SHA130dbe40a07dd56429b70601ff35c954d78ee99b9
SHA25601459ba654c52454a8dae37f078fffc280d3a13b55837fd82d05a9c902e88ebb
SHA51246ec1842ed5b93bf5e2533ce2561b0035ff0beb8e5ce61ecb2ec7bdb13f54e38a7a44d258b6713deb5278b39a6cd8b8dff349d3a2a088f9f4014eed6262f6b63
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize1KB
MD517bc873e2a1ececdb96ba865079e2f7a
SHA1a44455ae9199b8f0b798ffe8952d2ce2b3cdf335
SHA256aaf3cca466c1452b3c1947aebea6107b1fba212c1cf9a0bcb2f7515b2a6cccea
SHA512cc0b2d9cd308ec3b289e67f8041a633099a69705587fd042201a3d2badc3cebdf18a971997fb9c3148ee9a016385f4657f74029bc47770e61c1b2c0c63f4adac
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize458B
MD590b5e2362256aea72bbfc454f5ba3db5
SHA127a29e8eee2fd36d8630f9965fd96ba73e021374
SHA2561089b0871cca6e8016208e287a75aa2d87e13d483ea63cebedf2aede68dc2594
SHA512be8e31c5064fff092258bd06945beefb158947b92e90a2f1cff477eb1b31ba2967aa30917872b0b692fc345484e61542baa163e7967b4afcd602f57f713054eb
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD5e9b7eafeef28d03c1329d37d516fa219
SHA180643252f6651aa7a5e4b2d3f9a417ec84750c9d
SHA2568e344fcf2b04e57f3773480cd1aca2f75a2387690e817f32bf379c3ddd8ff00c
SHA51215f1c7ae9dd6341b3433b3052ca29aeea8a2e5e53cdeec15be38c9c9bbc56f2c7a5d5639cc37423125d8c1318f731f17ac7eceb863479604cff04c6b93971290
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD5f6862fc3920b558df2989a6be27b4260
SHA10631f2964d0ceca0505862e4c727c461900f4f12
SHA256dd126806a5ddd2ff8c9b928be1f46cee4a69243e53de17c1fc053441f841d5e3
SHA512555fd212008f0a64ee4fca2c234b42abdec2ea0d171bd6533a1830f9d173153e1ef771b86ff1e1d1e73735a05647c49f44ca3b0d6508adf11b0f4fc0f61573bf