Analysis
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max time kernel
204s -
max time network
287s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
23-09-2024 05:03
Static task
static1
Behavioral task
behavioral1
Sample
43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe
Resource
win10-20240404-en
General
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Target
43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe
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Size
216KB
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MD5
242293154c0caabd9953b0b1804926a7
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SHA1
8fabbf702ded34e84da34ec5d9255a23fef63939
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SHA256
43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94
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SHA512
d3cd5c5d56f17ae088d315de8d2cba8eaa3cd6d8f6b38368c28c9c6cf98532992dc35192ad99f9823e2eb0a3e5c3bd0c266c27bed54352d81c6190165d7ade7d
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SSDEEP
6144:U/ipLSItOvhdzG9NznVfi6DN567zTMMEO:8iBS0On+V7DN567n7EO
Malware Config
Extracted
stealc
default
http://46.8.231.109
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url_path
/c4754d4f680ead72.php
Extracted
vidar
11
3a15237aa92dcd8ccca447211fb5fc2a
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
Signatures
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Detect Vidar Stealer 11 IoCs
resource yara_rule behavioral2/memory/2160-102-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2160-106-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2160-104-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2160-118-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2160-119-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2160-134-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2160-135-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2160-166-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2160-167-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2160-174-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2160-175-0x0000000000400000-0x0000000000676000-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 3 IoCs
pid Process 3436 AdminKFCFBAAEHC.exe 3432 AdminDHJKJKKKJJ.exe 2540 EBAFHCBFHD.exe -
Loads dropped DLL 4 IoCs
pid Process 320 RegAsm.exe 320 RegAsm.exe 2160 RegAsm.exe 2160 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 4 IoCs
description pid Process procid_target PID 1844 set thread context of 320 1844 43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe 76 PID 3436 set thread context of 1264 3436 AdminKFCFBAAEHC.exe 83 PID 3432 set thread context of 2160 3432 AdminDHJKJKKKJJ.exe 86 PID 2540 set thread context of 2064 2540 EBAFHCBFHD.exe 91 -
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 12 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AdminDHJKJKKKJJ.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EBAFHCBFHD.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AdminKFCFBAAEHC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.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 4400 timeout.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 320 RegAsm.exe 320 RegAsm.exe 320 RegAsm.exe 320 RegAsm.exe 2160 RegAsm.exe 2160 RegAsm.exe 2160 RegAsm.exe 2160 RegAsm.exe 2160 RegAsm.exe 2160 RegAsm.exe 2160 RegAsm.exe 2160 RegAsm.exe 2160 RegAsm.exe 2160 RegAsm.exe -
Suspicious use of WriteProcessMemory 58 IoCs
description pid Process procid_target PID 1844 wrote to memory of 320 1844 43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe 76 PID 1844 wrote to memory of 320 1844 43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe 76 PID 1844 wrote to memory of 320 1844 43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe 76 PID 1844 wrote to memory of 320 1844 43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe 76 PID 1844 wrote to memory of 320 1844 43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe 76 PID 1844 wrote to memory of 320 1844 43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe 76 PID 1844 wrote to memory of 320 1844 43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe 76 PID 1844 wrote to memory of 320 1844 43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe 76 PID 1844 wrote to memory of 320 1844 43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe 76 PID 320 wrote to memory of 2612 320 RegAsm.exe 77 PID 320 wrote to memory of 2612 320 RegAsm.exe 77 PID 320 wrote to memory of 2612 320 RegAsm.exe 77 PID 2612 wrote to memory of 3436 2612 cmd.exe 79 PID 2612 wrote to memory of 3436 2612 cmd.exe 79 PID 2612 wrote to memory of 3436 2612 cmd.exe 79 PID 320 wrote to memory of 832 320 RegAsm.exe 81 PID 320 wrote to memory of 832 320 RegAsm.exe 81 PID 320 wrote to memory of 832 320 RegAsm.exe 81 PID 3436 wrote to memory of 1264 3436 AdminKFCFBAAEHC.exe 83 PID 3436 wrote to memory of 1264 3436 AdminKFCFBAAEHC.exe 83 PID 3436 wrote to memory of 1264 3436 AdminKFCFBAAEHC.exe 83 PID 3436 wrote to memory of 1264 3436 AdminKFCFBAAEHC.exe 83 PID 3436 wrote to memory of 1264 3436 AdminKFCFBAAEHC.exe 83 PID 3436 wrote to memory of 1264 3436 AdminKFCFBAAEHC.exe 83 PID 3436 wrote to memory of 1264 3436 AdminKFCFBAAEHC.exe 83 PID 3436 wrote to memory of 1264 3436 AdminKFCFBAAEHC.exe 83 PID 3436 wrote to memory of 1264 3436 AdminKFCFBAAEHC.exe 83 PID 832 wrote to memory of 3432 832 cmd.exe 84 PID 832 wrote to memory of 3432 832 cmd.exe 84 PID 832 wrote to memory of 3432 832 cmd.exe 84 PID 3432 wrote to memory of 2160 3432 AdminDHJKJKKKJJ.exe 86 PID 3432 wrote to memory of 2160 3432 AdminDHJKJKKKJJ.exe 86 PID 3432 wrote to memory of 2160 3432 AdminDHJKJKKKJJ.exe 86 PID 3432 wrote to memory of 2160 3432 AdminDHJKJKKKJJ.exe 86 PID 3432 wrote to memory of 2160 3432 AdminDHJKJKKKJJ.exe 86 PID 3432 wrote to memory of 2160 3432 AdminDHJKJKKKJJ.exe 86 PID 3432 wrote to memory of 2160 3432 AdminDHJKJKKKJJ.exe 86 PID 3432 wrote to memory of 2160 3432 AdminDHJKJKKKJJ.exe 86 PID 3432 wrote to memory of 2160 3432 AdminDHJKJKKKJJ.exe 86 PID 3432 wrote to memory of 2160 3432 AdminDHJKJKKKJJ.exe 86 PID 2160 wrote to memory of 2540 2160 RegAsm.exe 88 PID 2160 wrote to memory of 2540 2160 RegAsm.exe 88 PID 2160 wrote to memory of 2540 2160 RegAsm.exe 88 PID 2540 wrote to memory of 2064 2540 EBAFHCBFHD.exe 91 PID 2540 wrote to memory of 2064 2540 EBAFHCBFHD.exe 91 PID 2540 wrote to memory of 2064 2540 EBAFHCBFHD.exe 91 PID 2540 wrote to memory of 2064 2540 EBAFHCBFHD.exe 91 PID 2540 wrote to memory of 2064 2540 EBAFHCBFHD.exe 91 PID 2540 wrote to memory of 2064 2540 EBAFHCBFHD.exe 91 PID 2540 wrote to memory of 2064 2540 EBAFHCBFHD.exe 91 PID 2540 wrote to memory of 2064 2540 EBAFHCBFHD.exe 91 PID 2540 wrote to memory of 2064 2540 EBAFHCBFHD.exe 91 PID 2160 wrote to memory of 4664 2160 RegAsm.exe 92 PID 2160 wrote to memory of 4664 2160 RegAsm.exe 92 PID 2160 wrote to memory of 4664 2160 RegAsm.exe 92 PID 4664 wrote to memory of 4400 4664 cmd.exe 94 PID 4664 wrote to memory of 4400 4664 cmd.exe 94 PID 4664 wrote to memory of 4400 4664 cmd.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe"C:\Users\Admin\AppData\Local\Temp\43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1844 -
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:320 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminKFCFBAAEHC.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2612 -
C:\Users\AdminKFCFBAAEHC.exe"C:\Users\AdminKFCFBAAEHC.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3436 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"5⤵
- System Location Discovery: System Language Discovery
PID:1264
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminDHJKJKKKJJ.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:832 -
C:\Users\AdminDHJKJKKKJJ.exe"C:\Users\AdminDHJKJKKKJJ.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3432 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"5⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2160 -
C:\ProgramData\EBAFHCBFHD.exe"C:\ProgramData\EBAFHCBFHD.exe"6⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"7⤵
- System Location Discovery: System Language Discovery
PID:2064
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DBKEHDGDGHCB" & exit6⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4664 -
C:\Windows\SysWOW64\timeout.exetimeout /t 107⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4400
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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
92KB
MD555d8864e58f075cbe2dbd43a1b2908a9
SHA10d7129d95fa2ddb7fde828b22441dc53dffc5594
SHA256e4e07f45a83a87aff5e7f99528464abaad495499e9e2e3e0fcd5897819f88581
SHA51289ce123d2685448826f76dce25292b2d2d525efd8b78fd9235d1e357ad7ae2d4b3461ef903e2994cd2b8e28f56b0cc50137dd90accdd3f281472e488f6c7cf2e
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Filesize
6KB
MD573a2c8faf643e09878f3ceb733e8c185
SHA13ef220f2683e72cf34017781cdcaf57389f7640b
SHA2560e2039b0aebe68e1650b53a36d87bc94dc5cd72121756e0ece98783076f65ab2
SHA5129b9eaf59a1e30a53faa20d3178216b7f53f8c42a8ced0cde18d75050bac25ff52dbb492331d04ff56e35aa6679522139cf573f047eec09c83e7e58fc098546a1
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Filesize
669KB
MD5550686c0ee48c386dfcb40199bd076ac
SHA1ee5134da4d3efcb466081fb6197be5e12a5b22ab
SHA256edd043f2005dbd5902fc421eabb9472a7266950c5cbaca34e2d590b17d12f5fa
SHA5120b7f47af883b99f9fbdc08020446b58f2f3fa55292fd9bc78fc967dd35bdd8bd549802722de37668cc89ede61b20359190efbfdf026ae2bdc854f4740a54649e
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Filesize
439KB
MD55ff1fca37c466d6723ec67be93b51442
SHA134cc4e158092083b13d67d6d2bc9e57b798a303b
SHA2565136a49a682ac8d7f1ce71b211de8688fce42ed57210af087a8e2dbc8a934062
SHA5124802ef62630c521d83a1d333969593fb00c9b38f82b4d07f70fbd21f495fea9b3f67676064573d2c71c42bc6f701992989742213501b16087bb6110e337c7546
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Filesize
251KB
MD54e52d739c324db8225bd9ab2695f262f
SHA171c3da43dc5a0d2a1941e874a6d015a071783889
SHA25674ebbac956e519e16923abdc5ab8912098a4f64e38ddcb2eae23969f306afe5a
SHA5122d4168a69082a9192b9248f7331bd806c260478ff817567df54f997d7c3c7d640776131355401e4bdb9744e246c36d658cb24b18de67d8f23f10066e5fe445f6
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Filesize
78KB
MD5a37ee36b536409056a86f50e67777dd7
SHA11cafa159292aa736fc595fc04e16325b27cd6750
SHA2568934aaeb65b6e6d253dfe72dea5d65856bd871e989d5d3a2a35edfe867bb4825
SHA5123a7c260646315cf8c01f44b2ec60974017496bd0d80dd055c7e43b707cadba2d63aab5e0efd435670aa77886ed86368390d42c4017fc433c3c4b9d1c47d0f356
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Filesize
413KB
MD576b81bbaa929e92a0885267869e62fdf
SHA116ee3b53fd9d0fe6bd7fc75ac961a21bfd9fae51
SHA256f59f82ea9cbaa95389bbec5f80b427daa2e575c2827eaaede006590810809f9c
SHA51267d4fb8ed2c767871a307c54fddc86fa4df07ccfa943eeb61e6e8960c4038fb8a38118a69cbb7a6364dde6c11fd3139b8c5f91e029a437dad0d39202383ac3cd
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Filesize
381KB
MD5f5a1956973dce107d4c0b6267ce88870
SHA179a19513d7c9cff939f2881c4172a05dbaef735b
SHA2567b794c5bdb820791f0359da90a9a4f258412b8feef9c6e6a0411f6aead9d3a04
SHA512f42180c75c0ae8dc083c6fff98a66c0d875fadb400d7945816ea330a54777632a3a7752d3e78b90e45f58ed3d04d6708b1dcea51d82711356e6d14e405a7c579
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571