Analysis
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max time kernel
149s -
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 01:35
Static task
static1
Behavioral task
behavioral1
Sample
d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe
Resource
win10v2004-20240802-en
General
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Target
d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe
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Size
135KB
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MD5
458d31ecc5a490d5bda8d52e7ca8a5b6
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SHA1
213aac6538f2d98169f655d2252a13f50e6f31a5
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SHA256
d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50
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SHA512
a3dfdf74773a7f195e26e4225f79394664d808777f50cbadc4571e36b55aab8c4c6864fbc02ab83378aa1904a403ef2915c98585d541f0babb324b28bf56bb2b
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SSDEEP
3072:f5zF1UvqLHTCCrSIpnwF8vIzKJjGjssSDrI8pSQbAAmVBVa5GKYzEO:71zLN+WvnHsSv1zJmV2SEO
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/4836-27-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4836-30-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4836-35-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4836-47-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4836-48-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4836-64-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4836-65-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4836-81-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4836-82-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4836-89-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4836-107-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4836-108-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4836-115-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4836-116-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4084-150-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4836-153-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4084-160-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4084-161-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4084-176-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4084-177-0x0000000000400000-0x0000000000657000-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 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation RegAsm.exe Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 3 IoCs
pid Process 3832 downloaded_file.exe 3648 ECGHJJEHDH.exe 5088 AEBAKJDGHI.exe -
Loads dropped DLL 2 IoCs
pid Process 4836 RegAsm.exe 4836 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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 6 api.ipify.org -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 3028 set thread context of 1908 3028 d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe 83 PID 3832 set thread context of 4836 3832 downloaded_file.exe 86 PID 5088 set thread context of 4084 5088 AEBAKJDGHI.exe 101 -
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 2044 3648 WerFault.exe 94 -
System Location Discovery: System Language Discovery 1 TTPs 9 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 downloaded_file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ECGHJJEHDH.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AEBAKJDGHI.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.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 2472 timeout.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4836 RegAsm.exe 4836 RegAsm.exe 4836 RegAsm.exe 4836 RegAsm.exe 4836 RegAsm.exe 4836 RegAsm.exe 4836 RegAsm.exe 4836 RegAsm.exe 4084 RegAsm.exe 4084 RegAsm.exe 4084 RegAsm.exe 4084 RegAsm.exe -
Suspicious use of WriteProcessMemory 45 IoCs
description pid Process procid_target PID 3028 wrote to memory of 1908 3028 d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe 83 PID 3028 wrote to memory of 1908 3028 d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe 83 PID 3028 wrote to memory of 1908 3028 d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe 83 PID 3028 wrote to memory of 1908 3028 d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe 83 PID 3028 wrote to memory of 1908 3028 d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe 83 PID 3028 wrote to memory of 1908 3028 d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe 83 PID 3028 wrote to memory of 1908 3028 d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe 83 PID 3028 wrote to memory of 1908 3028 d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe 83 PID 3028 wrote to memory of 1908 3028 d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe 83 PID 3028 wrote to memory of 1908 3028 d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe 83 PID 1908 wrote to memory of 3832 1908 RegAsm.exe 84 PID 1908 wrote to memory of 3832 1908 RegAsm.exe 84 PID 1908 wrote to memory of 3832 1908 RegAsm.exe 84 PID 3832 wrote to memory of 4836 3832 downloaded_file.exe 86 PID 3832 wrote to memory of 4836 3832 downloaded_file.exe 86 PID 3832 wrote to memory of 4836 3832 downloaded_file.exe 86 PID 3832 wrote to memory of 4836 3832 downloaded_file.exe 86 PID 3832 wrote to memory of 4836 3832 downloaded_file.exe 86 PID 3832 wrote to memory of 4836 3832 downloaded_file.exe 86 PID 3832 wrote to memory of 4836 3832 downloaded_file.exe 86 PID 3832 wrote to memory of 4836 3832 downloaded_file.exe 86 PID 3832 wrote to memory of 4836 3832 downloaded_file.exe 86 PID 3832 wrote to memory of 4836 3832 downloaded_file.exe 86 PID 4836 wrote to memory of 3648 4836 RegAsm.exe 94 PID 4836 wrote to memory of 3648 4836 RegAsm.exe 94 PID 4836 wrote to memory of 3648 4836 RegAsm.exe 94 PID 4836 wrote to memory of 5088 4836 RegAsm.exe 97 PID 4836 wrote to memory of 5088 4836 RegAsm.exe 97 PID 4836 wrote to memory of 5088 4836 RegAsm.exe 97 PID 5088 wrote to memory of 4084 5088 AEBAKJDGHI.exe 101 PID 5088 wrote to memory of 4084 5088 AEBAKJDGHI.exe 101 PID 5088 wrote to memory of 4084 5088 AEBAKJDGHI.exe 101 PID 5088 wrote to memory of 4084 5088 AEBAKJDGHI.exe 101 PID 5088 wrote to memory of 4084 5088 AEBAKJDGHI.exe 101 PID 5088 wrote to memory of 4084 5088 AEBAKJDGHI.exe 101 PID 5088 wrote to memory of 4084 5088 AEBAKJDGHI.exe 101 PID 5088 wrote to memory of 4084 5088 AEBAKJDGHI.exe 101 PID 5088 wrote to memory of 4084 5088 AEBAKJDGHI.exe 101 PID 5088 wrote to memory of 4084 5088 AEBAKJDGHI.exe 101 PID 4836 wrote to memory of 3428 4836 RegAsm.exe 103 PID 4836 wrote to memory of 3428 4836 RegAsm.exe 103 PID 4836 wrote to memory of 3428 4836 RegAsm.exe 103 PID 3428 wrote to memory of 2472 3428 cmd.exe 105 PID 3428 wrote to memory of 2472 3428 cmd.exe 105 PID 3428 wrote to memory of 2472 3428 cmd.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe"C:\Users\Admin\AppData\Local\Temp\d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3028 -
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
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1908 -
C:\Users\Admin\AppData\Local\Temp\TempFolder\downloaded_file.exe"C:\Users\Admin\AppData\Local\Temp\TempFolder\downloaded_file.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3832 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- 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:4836 -
C:\ProgramData\ECGHJJEHDH.exe"C:\ProgramData\ECGHJJEHDH.exe"5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3648 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 8766⤵
- Program crash
PID:2044
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C:\ProgramData\AEBAKJDGHI.exe"C:\ProgramData\AEBAKJDGHI.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5088 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"6⤵
- 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\FBFCFIEBKEGH" & exit5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3428 -
C:\Windows\SysWOW64\timeout.exetimeout /t 106⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2472
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3648 -ip 36481⤵PID:3596
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
283KB
MD5ac7314c596e766b8f4f368579e2e0f8f
SHA10e4941e5e4299d04b9408194542c7362bcabcd2f
SHA256be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9
SHA5124258b6d15cd1c87d1787507f9132e5cf2caebfbf46dd055950dec8bb55faa094571d5b88cc58078adbab49f72fd3439f14ccae04de3d4bde672a540699a49428
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Filesize
160KB
MD5f310cf1ff562ae14449e0167a3e1fe46
SHA185c58afa9049467031c6c2b17f5c12ca73bb2788
SHA256e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855
SHA5121196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad
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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
MD5b5a94df2b27c9ac337831cd8253b21c7
SHA1fc8f9b212f64856decd816bf6e285568d49d48f4
SHA256d2dfffe30f232edaac9c4d4ddb20017d1fbacc1bb6f1f12015002652c008ab75
SHA5124a79686d2d1037e192b972673765539ae0ab3d7079cfdc676cf24394ad2142a1ce680de067b52357a4b36ef2daf88e29574c169a88d8c0e649eab9e13c29c3a6
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD503c25123d94dff31bc32244da149abec
SHA1234d263a0d5642ee48fa8ddb3c4f75ebef9a0ae4
SHA256d2cdc7c8cd8cd0bc73ab4a5b8bdeb1d12e6f4ae84d156ad2522550c4f2e69491
SHA512c9315afc8b4cbbe12e8bddfceb411ae4acb4a0109f69652d8aa863851e735cd7c66d99c582d1d834b920077c7f64ee21f3e5bf84f6132138e8240d6672e1b65d
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD587e02cc04c35d6b1eea65b5e6dcd569a
SHA131bb5a93ac1283eb3e3b5b074f1858bb10a8b61a
SHA25645eb27498fc37801173ec18564038352c1c918421ff6f137812016db5f9667cb
SHA512cd2d2301bad25fe587ea783e870212e8c01c0d21b214d7fec5eb4a286adbdab76f6d1bd46df886ed8ce14f87ad9cd7e7457816793a118aedd037794baf1b1697
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Filesize
283KB
MD5570f9923f42d17f4bd778860dafb71f8
SHA17bfcbf9992daaa0170183cc1b95cd63f6662e8ae
SHA256bba545f6548a550f414fde4684ec52fbfa09a4f899ebf9ca94ec7ffc21ca519a
SHA512ee2ab17af96c011ccd2d1a57b635990f62b85be32f80948ff3d50e9ce0c7a2cdd7416f815de31bbce3cc3b82d0cd6ce8310d7fa41ff0afe769b5c1b482eb003f