Analysis
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max time kernel
147s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
09-09-2024 03:31
Static task
static1
Behavioral task
behavioral1
Sample
1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe
Resource
win11-20240802-en
General
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Target
1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe
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Size
284KB
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MD5
65208d6a2c36c758bab95b17fb22e19e
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SHA1
ef43d4bae09cfeaff0396f339056ac64437cd36e
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SHA256
1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0
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SHA512
23223f7571699ba9e654bad651a9b23876dc286d72676a60d93466cbc6cc7bb7a514686d107dd769526874aac84d8c56fee7e7b54d1cf78cba08a38e8bda9e85
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SSDEEP
6144:wrOlaN9R1I9t/y4f+933KlGOqNRdjwE+s0sllPW1afU0z/L+5upS1vNMx:wCz9Ji933KlxqTdj3Pw6/i4pF
Malware Config
Extracted
vidar
https://t.me/fneogr
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 17 IoCs
resource yara_rule behavioral2/memory/5424-3-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5424-8-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5424-6-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5424-23-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5424-24-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5424-41-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5424-42-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5424-58-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5424-59-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5424-90-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5424-91-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5424-98-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5424-99-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5032-157-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5032-158-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5032-174-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5032-175-0x0000000000400000-0x0000000000657000-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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Executes dropped EXE 2 IoCs
pid Process 5992 KECBFBAEBK.exe 3604 CFCGIIEHIE.exe -
Loads dropped DLL 2 IoCs
pid Process 5424 RegAsm.exe 5424 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 3 IoCs
description pid Process procid_target PID 1084 set thread context of 5424 1084 1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe 83 PID 5992 set thread context of 4160 5992 KECBFBAEBK.exe 89 PID 3604 set thread context of 5032 3604 CFCGIIEHIE.exe 92 -
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 1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language KECBFBAEBK.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language CFCGIIEHIE.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 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 Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 5280 timeout.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 5424 RegAsm.exe 5424 RegAsm.exe 5424 RegAsm.exe 5424 RegAsm.exe 5424 RegAsm.exe 5424 RegAsm.exe 5424 RegAsm.exe 5424 RegAsm.exe 5032 RegAsm.exe 5032 RegAsm.exe 5032 RegAsm.exe 5032 RegAsm.exe -
Suspicious use of WriteProcessMemory 44 IoCs
description pid Process procid_target PID 1084 wrote to memory of 4800 1084 1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe 82 PID 1084 wrote to memory of 4800 1084 1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe 82 PID 1084 wrote to memory of 4800 1084 1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe 82 PID 1084 wrote to memory of 5424 1084 1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe 83 PID 1084 wrote to memory of 5424 1084 1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe 83 PID 1084 wrote to memory of 5424 1084 1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe 83 PID 1084 wrote to memory of 5424 1084 1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe 83 PID 1084 wrote to memory of 5424 1084 1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe 83 PID 1084 wrote to memory of 5424 1084 1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe 83 PID 1084 wrote to memory of 5424 1084 1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe 83 PID 1084 wrote to memory of 5424 1084 1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe 83 PID 1084 wrote to memory of 5424 1084 1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe 83 PID 1084 wrote to memory of 5424 1084 1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe 83 PID 5424 wrote to memory of 5992 5424 RegAsm.exe 85 PID 5424 wrote to memory of 5992 5424 RegAsm.exe 85 PID 5424 wrote to memory of 5992 5424 RegAsm.exe 85 PID 5992 wrote to memory of 4160 5992 KECBFBAEBK.exe 89 PID 5992 wrote to memory of 4160 5992 KECBFBAEBK.exe 89 PID 5992 wrote to memory of 4160 5992 KECBFBAEBK.exe 89 PID 5992 wrote to memory of 4160 5992 KECBFBAEBK.exe 89 PID 5992 wrote to memory of 4160 5992 KECBFBAEBK.exe 89 PID 5992 wrote to memory of 4160 5992 KECBFBAEBK.exe 89 PID 5992 wrote to memory of 4160 5992 KECBFBAEBK.exe 89 PID 5992 wrote to memory of 4160 5992 KECBFBAEBK.exe 89 PID 5992 wrote to memory of 4160 5992 KECBFBAEBK.exe 89 PID 5424 wrote to memory of 3604 5424 RegAsm.exe 90 PID 5424 wrote to memory of 3604 5424 RegAsm.exe 90 PID 5424 wrote to memory of 3604 5424 RegAsm.exe 90 PID 3604 wrote to memory of 5032 3604 CFCGIIEHIE.exe 92 PID 3604 wrote to memory of 5032 3604 CFCGIIEHIE.exe 92 PID 3604 wrote to memory of 5032 3604 CFCGIIEHIE.exe 92 PID 3604 wrote to memory of 5032 3604 CFCGIIEHIE.exe 92 PID 3604 wrote to memory of 5032 3604 CFCGIIEHIE.exe 92 PID 3604 wrote to memory of 5032 3604 CFCGIIEHIE.exe 92 PID 3604 wrote to memory of 5032 3604 CFCGIIEHIE.exe 92 PID 3604 wrote to memory of 5032 3604 CFCGIIEHIE.exe 92 PID 3604 wrote to memory of 5032 3604 CFCGIIEHIE.exe 92 PID 3604 wrote to memory of 5032 3604 CFCGIIEHIE.exe 92 PID 5424 wrote to memory of 3340 5424 RegAsm.exe 93 PID 5424 wrote to memory of 3340 5424 RegAsm.exe 93 PID 5424 wrote to memory of 3340 5424 RegAsm.exe 93 PID 3340 wrote to memory of 5280 3340 cmd.exe 95 PID 3340 wrote to memory of 5280 3340 cmd.exe 95 PID 3340 wrote to memory of 5280 3340 cmd.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe"C:\Users\Admin\AppData\Local\Temp\1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1084 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:4800
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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⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5424 -
C:\ProgramData\KECBFBAEBK.exe"C:\ProgramData\KECBFBAEBK.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5992 -
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:4160
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C:\ProgramData\CFCGIIEHIE.exe"C:\ProgramData\CFCGIIEHIE.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3604 -
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:5032
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JJDHIDBFBFHI" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3340 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:5280
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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
284KB
MD565208d6a2c36c758bab95b17fb22e19e
SHA1ef43d4bae09cfeaff0396f339056ac64437cd36e
SHA2561071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0
SHA51223223f7571699ba9e654bad651a9b23876dc286d72676a60d93466cbc6cc7bb7a514686d107dd769526874aac84d8c56fee7e7b54d1cf78cba08a38e8bda9e85
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Filesize
322KB
MD51c67f687230addd2815b74bc892a047f
SHA138f238cad4286ea4ef25d909979b5cd456a7cac5
SHA2562c0f008432d2604d3578b9ba1f896ecaff4add7d6ece6051f5940de892c26c91
SHA5121c5cabf89e98a2d87aca4143b93db5dc9b1c0c9c2557052abe888422afc4e79dd9a641122bd0bbb92d13049b5c7fea8014f4945efbf23c5dd33703f99d80f6b0
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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
MD54b086cd2f21297d222f92601a91e368f
SHA18af108f57a8d88c120b931580662af2b2913ab58
SHA25634d4d2d1d62591605003c1b74fd1efba8d957a5f5b847bb8ff06bd08d4c2c2b8
SHA5124653bda6a86ac2d8391e610b1098ed20c038ceef1ea976908edfc20a8828c7e31655ed5e796ee7b410edd3b7af6f5fa3937bc670c0108c152efd6e4946daf0f8
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize2KB
MD5dd1fe1b28604aee93020a737bc2f0000
SHA1be0010830efcaa50887b83bc650be8bf5bc03915
SHA256a8ea8f94eabd58b777a1808e307cb995eb6e5542c9929db2f6f2faf9a9259c96
SHA512a41812f4468a147f36095686f3472e7320ef1b7226e23d41e0c08abaa73909bea1fc1d4c787ae553a84a0d070b824760a757a82c677f5d1f28372610cd5bd645
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize1KB
MD5f9929e8498c12895f3970d8d2e8ec521
SHA1a56698b18937867dc3686ad3287538792832b211
SHA2562c81ffae625d750d54314e55be9097b9dd44b358f86aeddc2733f9ceef0b93b8
SHA512f50f526fa1aa6d94beafae6a4aa6485560f2396d0c51ebc43724e29c670bac703762a5a5cc10e99ed75b3db412d4525f74d0127cd42b2a0fe23bbefbb4ad3ee0
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize458B
MD51812bdf5f911087004e4c333f23c0c0a
SHA1e8a0c119297368ab51d5ac85f1fb4b024b5e7f6e
SHA2564381a0fef48abb017b689dd1c13bf87ec5b89f04bb6c39f55bea58f05656c781
SHA512e2cfaadba68cf3babd2bf02c6e72cb326f003c207ffab270a5eb072164b8480cac4917c238da17969df8e240cced3e480fdcbde9d32178c7fc3968f6bd5f4a7b
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD5dce5ac43629fa60f0d9293506b44d6de
SHA1dfb4fa00942982ac822780e10f53bef492c9d005
SHA256c22aa271ea57e6dd66794f94b9d901fc4722e661f0f2b4578667feade400e95c
SHA51279f026e6f54b8a559032a4760eeb009346d8bff43d1f178511d93b51002bb3e6ece6a54748ca25b9d301ec0f084893dcfa6d00c5e38d440940e0f82d9816a80f
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD561365c90445a484f125edfb86e89da9d
SHA198aa4bfddfe928269921b5b527158b074527e164
SHA2562a58ef105ea5419e2a54670d0f893352a26cfba10e4e9c209bf675e89b557f90
SHA5127e890f45487c5974905e59fa39b4e84e315f20c6c83604b8c8538a46a9d7ceedf3bff28b7fb22e47be7de4716a4167b149ab2eb5fe81b171a4d73556fef67c85
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Filesize
2.3MB
MD590e744829865d57082a7f452edc90de5
SHA1833b178775f39675fa4e55eab1032353514e1052
SHA256036a57102385d7f0d7b2deacf932c1c372ae30d924365b7a88f8a26657dd7550
SHA5120a2d112ff7cb806a74f5ec17fe097d28107bb497d6ed5ad28ea47e6795434ba903cdb49aaf97a9a99c08cd0411f1969cad93031246dc107c26606a898e570323