Analysis
-
max time kernel
47s -
max time network
143s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
11-09-2024 19:06
Static task
static1
Behavioral task
behavioral1
Sample
6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e.exe
Resource
win11-20240802-en
General
-
Target
6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e.exe
-
Size
282KB
-
MD5
f33b34d0de9bb27980bc99ea468c1181
-
SHA1
b6ddd17ceed5372febacae3d2c3b95165053fc62
-
SHA256
6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e
-
SHA512
e6a7083752cafcc5264ee312cc4804b646c5f9788c24905a7df689c1520552b73ebc04ff1af5ef0c0c93c026cc3249738fa194caef75ba2f9af7ea1a3f72545e
-
SSDEEP
6144:Ms6bXo+ImXuZeO59j7MLE/Ut67PmromTk8uHc+1BagPivpNEO:MnbLBXkZ7Bc67PmkR2g6/EO
Malware Config
Extracted
vidar
https://t.me/edm0d
https://steamcommunity.com/profiles/76561199768374681
http://147.45.126.10:80
-
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
-
Detect Vidar Stealer 21 IoCs
resource yara_rule behavioral2/memory/1668-4-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1668-9-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1668-10-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1668-27-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1668-28-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1668-45-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1668-61-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1668-68-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1668-69-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1668-87-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1668-88-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1668-95-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1668-96-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2388-122-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2388-119-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2388-128-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2388-149-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2388-156-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2388-157-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2388-172-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2388-173-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
-
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
pid Process 4588 CBKJJEHCBA.exe -
Loads dropped DLL 2 IoCs
pid Process 1668 RegAsm.exe 1668 RegAsm.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
-
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3632 set thread context of 1668 3632 6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e.exe 79 PID 4588 set thread context of 2388 4588 CBKJJEHCBA.exe 85 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 4 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 6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language CBKJJEHCBA.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe -
Checks processor information in registry 2 TTPs 2 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 -
Delays execution with timeout.exe 1 IoCs
pid Process 3104 timeout.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 RegAsm.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1668 RegAsm.exe 1668 RegAsm.exe 1668 RegAsm.exe 1668 RegAsm.exe 1668 RegAsm.exe 1668 RegAsm.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 3632 wrote to memory of 1668 3632 6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e.exe 79 PID 3632 wrote to memory of 1668 3632 6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e.exe 79 PID 3632 wrote to memory of 1668 3632 6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e.exe 79 PID 3632 wrote to memory of 1668 3632 6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e.exe 79 PID 3632 wrote to memory of 1668 3632 6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e.exe 79 PID 3632 wrote to memory of 1668 3632 6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e.exe 79 PID 3632 wrote to memory of 1668 3632 6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e.exe 79 PID 3632 wrote to memory of 1668 3632 6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e.exe 79 PID 3632 wrote to memory of 1668 3632 6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e.exe 79 PID 3632 wrote to memory of 1668 3632 6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e.exe 79 PID 1668 wrote to memory of 4588 1668 RegAsm.exe 81 PID 1668 wrote to memory of 4588 1668 RegAsm.exe 81 PID 1668 wrote to memory of 4588 1668 RegAsm.exe 81 PID 4588 wrote to memory of 2388 4588 CBKJJEHCBA.exe 85 PID 4588 wrote to memory of 2388 4588 CBKJJEHCBA.exe 85 PID 4588 wrote to memory of 2388 4588 CBKJJEHCBA.exe 85 PID 4588 wrote to memory of 2388 4588 CBKJJEHCBA.exe 85 PID 4588 wrote to memory of 2388 4588 CBKJJEHCBA.exe 85 PID 4588 wrote to memory of 2388 4588 CBKJJEHCBA.exe 85 PID 4588 wrote to memory of 2388 4588 CBKJJEHCBA.exe 85 PID 4588 wrote to memory of 2388 4588 CBKJJEHCBA.exe 85 PID 4588 wrote to memory of 2388 4588 CBKJJEHCBA.exe 85 PID 4588 wrote to memory of 2388 4588 CBKJJEHCBA.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e.exe"C:\Users\Admin\AppData\Local\Temp\6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3632 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\ProgramData\CBKJJEHCBA.exe"C:\ProgramData\CBKJJEHCBA.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4588 -
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:2388
-
-
-
C:\ProgramData\HCAEHDHDAK.exe"C:\ProgramData\HCAEHDHDAK.exe"3⤵PID:3012
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵PID:2508
-
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BGDGHJEHJJDA" & exit3⤵PID:1536
-
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:3104
-
-
-
Network
MITRE ATT&CK Enterprise v15
Defense Evasion
Modify Registry
1Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
4Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
160KB
MD5f310cf1ff562ae14449e0167a3e1fe46
SHA185c58afa9049467031c6c2b17f5c12ca73bb2788
SHA256e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855
SHA5121196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad
-
Filesize
283KB
MD5e1001c8649ac77faeb446d8ff91f50d2
SHA1c2532c7b108ac61ca439cfd0a7992b26c89dc34b
SHA25605d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087
SHA512a55bfa7eafca3306e51bd0e1100e46ea407f4451332fcce2772788a25e77d9b968a2ffc934cc05fc9117a1ab8ddade1f15e61cdd35341ee8d977721bb4fb178f
-
Filesize
321KB
MD594c5abd0eccd77846b4e0f641906bb19
SHA13fb0119c89952f61aee14abbe693a293ee916439
SHA256863c177542f93d6e42ba2dc7633cec75da9515c39ed13915f63e9361f5cf7a6b
SHA5124bbfce9f805c755380ff18cecc5a6cfeb9aeadf7140d5c612fca44cff923b57507ab01bd2b2f1389a97c0b3b41737e16732330980a9e3b02898b2c1271c7eae9
-
Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
-
Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize2KB
MD5499fb781218e91f17ceb95c95b2540af
SHA17eaa6a1efec6586520b78e140efdb3e223ac9a5f
SHA256490b98a7d88b0805c5e90caf89aece53f21997ad060734cea5ec7d38ff02bff5
SHA51265dcbd4af9aafd6fc88f5e941e60802a2adb03db22164cbbefbd3cec83f066c3ff5381b323eed658af75e097b542b51d95f66ab9b36a597e19ad19cba2d807ed
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize2KB
MD58647fa3218bfe81a6208ddf38d3f62b2
SHA10f4b0ec7df5f949ce3363e73587e632c223ef09c
SHA25617d9aff1230b821ca5a4899b410c7a395fdbdd4efeb4eef7637aa94eda100cd1
SHA512085963090453894146c66499f13079db408af57ae615f1c3237da4d3af6bd56542c95a54aa9e3df13c2c53c2a5e8eb9c460cc54b3ecc7107fbc810f09fc2aab8
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize1KB
MD5409753e064ef8537c278c361a2b1ebbc
SHA1a28aa7a82427968cb8b2c0d91675e8374b087fe4
SHA256c69ca82fa2695413ca28bc6e087ba57e9754e60d26dff82f5cc04fd1467c7ede
SHA512b57b32aaf8a431ad5d9bb66ab23fbd37df5cf7ab6079e82f384cd8a367a9d92ad3b94c57c1f1310c15d321964f8757f1391d73e034e34efe113dbb674dd277a8
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize458B
MD505a0ef07a0d7570b534ab66a207c1b32
SHA1f13be4787653e31fda6934d45675fc12925e4b5a
SHA2567b8b51822e8591c6881d61f0e84704e2869e80df053ee38bf556a70bfe9bfa66
SHA51276d1ab07c55d408db5118bb1a89b4c39af079e77eef8dd44515422f999d3c3e1608fc17e39c51d65b772afedffebaec46dc07be573188384c1ab67a9cbb11a34
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD506b7af18ecc428168047256b54686cae
SHA1afb549fbd8e1b6ad49e3bd45635ac55ccc0a1a37
SHA256a2fb862161f8cbc18b8daf4ccbee86add92257b0e1af05ef80305ba6100f27af
SHA5123c156f0efb885a2853006997bb7eedee4eea646e738843144a14e3928965339b4e38bb9379f2711dafafbd69e18d1fe6db7d4dce617baff5716e90dae0c3078b
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD5b2eb63a7ead12ffdf940c2fe533969f2
SHA1dce53362e10e7a3cc69b3faf93a755774664cac2
SHA25657bdcfff23dec20a958d5ecb57561a6481158ebed02304821567a79c25732ed4
SHA51202b96cec719c20e00a8c3d226271b906400a74ba46aae5607f905b53704644a6e92e8ba3668855b4210f4f31a072c8bb624adca21d70685bfce26bca661bce5c