Analysis
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max time kernel
117s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
23-09-2024 05:13
Static task
static1
Behavioral task
behavioral1
Sample
f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe
Resource
win10-20240404-en
General
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Target
f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe
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Size
292KB
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MD5
82661ca16a1713263f9a11beaf43efee
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SHA1
6a86e5b61c134f7db8f50fb17b3ca9e9a2984029
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SHA256
f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6
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SHA512
fa370a9c1a22f2025c334e8c781e7e2d94043174e5638b66fdbc62cc51afdb5a03aea9ebee6232d2284c4c4aa406c82598e77c9503e13c578e45620d416dad03
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SSDEEP
6144:J+kSx0+OvgVz6/MtajJ4i34rnJMJkBccaJntC8OmkwDDAI7F3EO:LSxJsgg/PjJ4b7JwkBvaJnQTwDDAI7dt
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 17 IoCs
resource yara_rule behavioral1/memory/2512-25-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2512-19-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2512-17-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2512-14-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2512-13-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2512-11-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2512-22-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2512-164-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2512-183-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2512-213-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2512-232-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2512-276-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2512-364-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2512-383-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2512-426-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2512-445-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral1/memory/2512-556-0x0000000000400000-0x0000000000657000-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 1 IoCs
pid Process 796 BKKFHIEGDH.exe -
Loads dropped DLL 6 IoCs
pid Process 2512 RegAsm.exe 2512 RegAsm.exe 2512 RegAsm.exe 2512 RegAsm.exe 2512 RegAsm.exe 2512 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 2368 set thread context of 2512 2368 f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe 31 PID 796 set thread context of 2388 796 BKKFHIEGDH.exe 37 -
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 2236 2388 WerFault.exe 37 -
System Location Discovery: System Language Discovery 1 TTPs 6 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 timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language BKKFHIEGDH.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 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 1492 timeout.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 RegAsm.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 RegAsm.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 190000000100000010000000ba4f3972e7aed9dccdc210db59da13c90300000001000000140000005fb7ee0633e259dbad0c4c9ae6d38f1a61c7dc251d00000001000000100000008f76b981d528ad4770088245e2031b630b0000000100000012000000440069006700690043006500720074000000140000000100000014000000b13ec36903f8bf4701d498261a0802ef63642bc35300000001000000230000003021301f06096086480186fd6c020130123010060a2b0601040182373c0101030200c0090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b060105050703080f0000000100000014000000e35ef08d884f0a0ade2f75e96301ce6230f213a82000000001000000c9030000308203c5308202ada003020102021002ac5c266a0b409b8f0b79f2ae462577300d06092a864886f70d0101050500306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f74204341301e170d3036313131303030303030305a170d3331313131303030303030305a306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100c6cce573e6fbd4bbe52d2d32a6dfe5813fc9cd2549b6712ac3d5943467a20a1cb05f69a640b1c4b7b28fd098a4a941593ad3dc94d63cdb7438a44acc4d2582f74aa5531238eef3496d71917e63b6aba65fc3a484f84f6251bef8c5ecdb3892e306e508910cc4284155fbcb5a89157e71e835bf4d72093dbe3a38505b77311b8db3c724459aa7ac6d00145a04b7ba13eb510a984141224e656187814150a6795c89de194a57d52ee65d1c532c7e98cd1a0616a46873d03404135ca171d35a7c55db5e64e13787305604e511b4298012f1793988a202117c2766b788b778f2ca0aa838ab0a64c2bf665d9584c1a1251e875d1a500b2012cc41bb6e0b5138b84bcb0203010001a3633061300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e04160414b13ec36903f8bf4701d498261a0802ef63642bc3301f0603551d23041830168014b13ec36903f8bf4701d498261a0802ef63642bc3300d06092a864886f70d010105050003820101001c1a0697dcd79c9f3c886606085721db2147f82a67aabf183276401057c18af37ad911658e35fa9efc45b59ed94c314bb891e8432c8eb378cedbe3537971d6e5219401da55879a2464f68a66ccde9c37cda834b1699b23c89e78222b7043e35547316119ef58c5852f4e30f6a0311623c8e7e2651633cbbf1a1ba03df8ca5e8b318b6008892d0c065c52b7c4f90a98d1155f9f12be7c366338bd44a47fe4262b0ac497690de98ce2c01057b8c876129155f24869d8bc2a025b0f44d42031dbf4ba70265d90609ebc4b17092fb4cb1e4368c90727c1d25cf7ea21b968129c3c9cbf9efc805c9b63cdec47aa252767a037f300827d54d7a9f8e92e13a377e81f4a RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2512 RegAsm.exe 2512 RegAsm.exe 2512 RegAsm.exe 2512 RegAsm.exe 2512 RegAsm.exe 2512 RegAsm.exe -
Suspicious use of WriteProcessMemory 43 IoCs
description pid Process procid_target PID 2368 wrote to memory of 2512 2368 f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe 31 PID 2368 wrote to memory of 2512 2368 f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe 31 PID 2368 wrote to memory of 2512 2368 f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe 31 PID 2368 wrote to memory of 2512 2368 f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe 31 PID 2368 wrote to memory of 2512 2368 f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe 31 PID 2368 wrote to memory of 2512 2368 f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe 31 PID 2368 wrote to memory of 2512 2368 f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe 31 PID 2368 wrote to memory of 2512 2368 f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe 31 PID 2368 wrote to memory of 2512 2368 f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe 31 PID 2368 wrote to memory of 2512 2368 f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe 31 PID 2368 wrote to memory of 2512 2368 f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe 31 PID 2368 wrote to memory of 2512 2368 f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe 31 PID 2368 wrote to memory of 2512 2368 f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe 31 PID 2368 wrote to memory of 2512 2368 f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe 31 PID 2512 wrote to memory of 796 2512 RegAsm.exe 35 PID 2512 wrote to memory of 796 2512 RegAsm.exe 35 PID 2512 wrote to memory of 796 2512 RegAsm.exe 35 PID 2512 wrote to memory of 796 2512 RegAsm.exe 35 PID 796 wrote to memory of 2388 796 BKKFHIEGDH.exe 37 PID 796 wrote to memory of 2388 796 BKKFHIEGDH.exe 37 PID 796 wrote to memory of 2388 796 BKKFHIEGDH.exe 37 PID 796 wrote to memory of 2388 796 BKKFHIEGDH.exe 37 PID 796 wrote to memory of 2388 796 BKKFHIEGDH.exe 37 PID 796 wrote to memory of 2388 796 BKKFHIEGDH.exe 37 PID 796 wrote to memory of 2388 796 BKKFHIEGDH.exe 37 PID 796 wrote to memory of 2388 796 BKKFHIEGDH.exe 37 PID 796 wrote to memory of 2388 796 BKKFHIEGDH.exe 37 PID 796 wrote to memory of 2388 796 BKKFHIEGDH.exe 37 PID 796 wrote to memory of 2388 796 BKKFHIEGDH.exe 37 PID 796 wrote to memory of 2388 796 BKKFHIEGDH.exe 37 PID 796 wrote to memory of 2388 796 BKKFHIEGDH.exe 37 PID 2388 wrote to memory of 2236 2388 RegAsm.exe 38 PID 2388 wrote to memory of 2236 2388 RegAsm.exe 38 PID 2388 wrote to memory of 2236 2388 RegAsm.exe 38 PID 2388 wrote to memory of 2236 2388 RegAsm.exe 38 PID 2512 wrote to memory of 2076 2512 RegAsm.exe 39 PID 2512 wrote to memory of 2076 2512 RegAsm.exe 39 PID 2512 wrote to memory of 2076 2512 RegAsm.exe 39 PID 2512 wrote to memory of 2076 2512 RegAsm.exe 39 PID 2076 wrote to memory of 1492 2076 cmd.exe 41 PID 2076 wrote to memory of 1492 2076 cmd.exe 41 PID 2076 wrote to memory of 1492 2076 cmd.exe 41 PID 2076 wrote to memory of 1492 2076 cmd.exe 41
Processes
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C:\Users\Admin\AppData\Local\Temp\f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe"C:\Users\Admin\AppData\Local\Temp\f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368 -
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:2512 -
C:\ProgramData\BKKFHIEGDH.exe"C:\ProgramData\BKKFHIEGDH.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:796 -
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
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 2525⤵
- Program crash
PID:2236
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JEHIJDGIEBKK" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2076 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1492
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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
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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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