Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
25-05-2024 23:18
Static task
static1
Behavioral task
behavioral1
Sample
33e056fb72b509ee2320b65dc39e8fcd3c0446855df5675cc899ed6be311e354.exe
Resource
win7-20240215-en
General
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Target
33e056fb72b509ee2320b65dc39e8fcd3c0446855df5675cc899ed6be311e354.exe
-
Size
1.8MB
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MD5
a5f35c15db22b59af71ef7d874db0242
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SHA1
80d2898cdd8d21b342a257361696c9526f437865
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SHA256
33e056fb72b509ee2320b65dc39e8fcd3c0446855df5675cc899ed6be311e354
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SHA512
a69587f1e7be090d6137b756e56d4f0dadf7a7ea82cda59a072a318644bb9a9c619928250e99d5d6b64b9161d0581d3c533a5415fda57ddfeafdb05a70e292fa
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SSDEEP
24576:FBfuZfeq6sNO6hTdtTF+TxMoxQH1Tj4wtjYZH1DmoYYzi3WH45yv+OueSJhm9e:F7qFfJtTF+TxMoxc1TU+j+dAzGwlrh
Malware Config
Extracted
stealc
Extracted
vidar
https://steamcommunity.com/profiles/76561199689717899
https://t.me/copterwin
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
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Detect Vidar Stealer 14 IoCs
Processes:
resource yara_rule behavioral1/memory/2460-2-0x0000000003320000-0x0000000003469000-memory.dmp family_vidar_v7 behavioral1/memory/2564-22-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2564-23-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2564-18-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2564-17-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2564-15-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2564-176-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2564-197-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2564-234-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2564-255-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2564-427-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2564-468-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2564-492-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2564-535-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
katCBD.tmppid process 2564 katCBD.tmp -
Loads dropped DLL 2 IoCs
Processes:
33e056fb72b509ee2320b65dc39e8fcd3c0446855df5675cc899ed6be311e354.exepid process 2460 33e056fb72b509ee2320b65dc39e8fcd3c0446855df5675cc899ed6be311e354.exe 2460 33e056fb72b509ee2320b65dc39e8fcd3c0446855df5675cc899ed6be311e354.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 local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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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 1 IoCs
Processes:
33e056fb72b509ee2320b65dc39e8fcd3c0446855df5675cc899ed6be311e354.exedescription pid process target process PID 2460 set thread context of 2564 2460 33e056fb72b509ee2320b65dc39e8fcd3c0446855df5675cc899ed6be311e354.exe katCBD.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
katCBD.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString katCBD.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 2992 timeout.exe -
Processes:
katCBD.tmpdescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 190000000100000010000000ba4f3972e7aed9dccdc210db59da13c90300000001000000140000005fb7ee0633e259dbad0c4c9ae6d38f1a61c7dc251d00000001000000100000008f76b981d528ad4770088245e2031b630b0000000100000012000000440069006700690043006500720074000000140000000100000014000000b13ec36903f8bf4701d498261a0802ef63642bc35300000001000000230000003021301f06096086480186fd6c020130123010060a2b0601040182373c0101030200c0090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b060105050703080f0000000100000014000000e35ef08d884f0a0ade2f75e96301ce6230f213a82000000001000000c9030000308203c5308202ada003020102021002ac5c266a0b409b8f0b79f2ae462577300d06092a864886f70d0101050500306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f74204341301e170d3036313131303030303030305a170d3331313131303030303030305a306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100c6cce573e6fbd4bbe52d2d32a6dfe5813fc9cd2549b6712ac3d5943467a20a1cb05f69a640b1c4b7b28fd098a4a941593ad3dc94d63cdb7438a44acc4d2582f74aa5531238eef3496d71917e63b6aba65fc3a484f84f6251bef8c5ecdb3892e306e508910cc4284155fbcb5a89157e71e835bf4d72093dbe3a38505b77311b8db3c724459aa7ac6d00145a04b7ba13eb510a984141224e656187814150a6795c89de194a57d52ee65d1c532c7e98cd1a0616a46873d03404135ca171d35a7c55db5e64e13787305604e511b4298012f1793988a202117c2766b788b778f2ca0aa838ab0a64c2bf665d9584c1a1251e875d1a500b2012cc41bb6e0b5138b84bcb0203010001a3633061300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e04160414b13ec36903f8bf4701d498261a0802ef63642bc3301f0603551d23041830168014b13ec36903f8bf4701d498261a0802ef63642bc3300d06092a864886f70d010105050003820101001c1a0697dcd79c9f3c886606085721db2147f82a67aabf183276401057c18af37ad911658e35fa9efc45b59ed94c314bb891e8432c8eb378cedbe3537971d6e5219401da55879a2464f68a66ccde9c37cda834b1699b23c89e78222b7043e35547316119ef58c5852f4e30f6a0311623c8e7e2651633cbbf1a1ba03df8ca5e8b318b6008892d0c065c52b7c4f90a98d1155f9f12be7c366338bd44a47fe4262b0ac497690de98ce2c01057b8c876129155f24869d8bc2a025b0f44d42031dbf4ba70265d90609ebc4b17092fb4cb1e4368c90727c1d25cf7ea21b968129c3c9cbf9efc805c9b63cdec47aa252767a037f300827d54d7a9f8e92e13a377e81f4a katCBD.tmp Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 katCBD.tmp Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 katCBD.tmp -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
katCBD.tmppid process 2564 katCBD.tmp 2564 katCBD.tmp 2564 katCBD.tmp 2564 katCBD.tmp 2564 katCBD.tmp 2564 katCBD.tmp 2564 katCBD.tmp 2564 katCBD.tmp 2564 katCBD.tmp 2564 katCBD.tmp 2564 katCBD.tmp 2564 katCBD.tmp 2564 katCBD.tmp 2564 katCBD.tmp 2564 katCBD.tmp 2564 katCBD.tmp 2564 katCBD.tmp 2564 katCBD.tmp -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
33e056fb72b509ee2320b65dc39e8fcd3c0446855df5675cc899ed6be311e354.exekatCBD.tmpcmd.exedescription pid process target process PID 2460 wrote to memory of 2564 2460 33e056fb72b509ee2320b65dc39e8fcd3c0446855df5675cc899ed6be311e354.exe katCBD.tmp PID 2460 wrote to memory of 2564 2460 33e056fb72b509ee2320b65dc39e8fcd3c0446855df5675cc899ed6be311e354.exe katCBD.tmp PID 2460 wrote to memory of 2564 2460 33e056fb72b509ee2320b65dc39e8fcd3c0446855df5675cc899ed6be311e354.exe katCBD.tmp PID 2460 wrote to memory of 2564 2460 33e056fb72b509ee2320b65dc39e8fcd3c0446855df5675cc899ed6be311e354.exe katCBD.tmp PID 2460 wrote to memory of 2564 2460 33e056fb72b509ee2320b65dc39e8fcd3c0446855df5675cc899ed6be311e354.exe katCBD.tmp PID 2460 wrote to memory of 2564 2460 33e056fb72b509ee2320b65dc39e8fcd3c0446855df5675cc899ed6be311e354.exe katCBD.tmp PID 2460 wrote to memory of 2564 2460 33e056fb72b509ee2320b65dc39e8fcd3c0446855df5675cc899ed6be311e354.exe katCBD.tmp PID 2460 wrote to memory of 2564 2460 33e056fb72b509ee2320b65dc39e8fcd3c0446855df5675cc899ed6be311e354.exe katCBD.tmp PID 2460 wrote to memory of 2564 2460 33e056fb72b509ee2320b65dc39e8fcd3c0446855df5675cc899ed6be311e354.exe katCBD.tmp PID 2564 wrote to memory of 2556 2564 katCBD.tmp cmd.exe PID 2564 wrote to memory of 2556 2564 katCBD.tmp cmd.exe PID 2564 wrote to memory of 2556 2564 katCBD.tmp cmd.exe PID 2564 wrote to memory of 2556 2564 katCBD.tmp cmd.exe PID 2564 wrote to memory of 1588 2564 katCBD.tmp cmd.exe PID 2564 wrote to memory of 1588 2564 katCBD.tmp cmd.exe PID 2564 wrote to memory of 1588 2564 katCBD.tmp cmd.exe PID 2564 wrote to memory of 1588 2564 katCBD.tmp cmd.exe PID 1588 wrote to memory of 2992 1588 cmd.exe timeout.exe PID 1588 wrote to memory of 2992 1588 cmd.exe timeout.exe PID 1588 wrote to memory of 2992 1588 cmd.exe timeout.exe PID 1588 wrote to memory of 2992 1588 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\33e056fb72b509ee2320b65dc39e8fcd3c0446855df5675cc899ed6be311e354.exe"C:\Users\Admin\AppData\Local\Temp\33e056fb72b509ee2320b65dc39e8fcd3c0446855df5675cc899ed6be311e354.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\katCBD.tmpC:\Users\Admin\AppData\Local\Temp\katCBD.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c start "" "C:\ProgramData\KEGCFCAKFH.exe"3⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\katCBD.tmp" & rd /s /q "C:\ProgramData\IEGCAAKFBAEG" & exit3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015Filesize
68KB
MD529f65ba8e88c063813cc50a4ea544e93
SHA105a7040d5c127e68c25d81cc51271ffb8bef3568
SHA2561ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
SHA512e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa
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C:\Users\Admin\AppData\Local\Temp\Tar1156.tmpFilesize
177KB
MD5435a9ac180383f9fa094131b173a2f7b
SHA176944ea657a9db94f9a4bef38f88c46ed4166983
SHA25667dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
SHA5121a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a
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\Users\Admin\AppData\Local\Temp\katCBD.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/2460-21-0x0000000000400000-0x00000000005D1000-memory.dmpFilesize
1.8MB
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memory/2460-2-0x0000000003320000-0x0000000003469000-memory.dmpFilesize
1.3MB
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memory/2460-0-0x0000000000220000-0x0000000000221000-memory.dmpFilesize
4KB
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memory/2564-13-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2564-197-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2564-18-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2564-17-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2564-22-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2564-15-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2564-11-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2564-9-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2564-176-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2564-23-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2564-219-0x000000002AE20000-0x000000002B07F000-memory.dmpFilesize
2.4MB
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memory/2564-234-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2564-255-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2564-427-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2564-468-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2564-492-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/2564-535-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB