Resubmissions
06-11-2024 21:51
241106-1qlalaydkg 1004-11-2024 21:29
241104-1bzvfaxkcs 1004-11-2024 21:17
241104-z43lcsxejc 1003-11-2024 21:29
241103-1byx5svelh 10Analysis
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max time kernel
57s -
max time network
20s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
04-11-2024 21:17
Behavioral task
behavioral1
Sample
79a67070f0fbff66cb39f3dadd3e3565b1b1b98ed9e079562aabd90d10ad75ac.exe
Resource
win11-20241007-en
General
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Target
79a67070f0fbff66cb39f3dadd3e3565b1b1b98ed9e079562aabd90d10ad75ac.exe
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Size
12.0MB
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MD5
59d018958d77ee68568eac6250a4224e
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SHA1
a5ac1b794b33da74b7d587b04394721f7aa96d0f
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SHA256
79a67070f0fbff66cb39f3dadd3e3565b1b1b98ed9e079562aabd90d10ad75ac
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SHA512
5f285f3920463646a77487c9e0b1c46ebe950f779fafb524d6064aa280ba84c3119cd19c2b88f3011e20a7f7b70a1341103d42baca28f1781d8670bca8737881
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SSDEEP
393216:VobaG+ZUoC9EYeWJ8taL/d2otNCk2rszUXS:VMaG+Z7C9M+RJ2ontkXS
Malware Config
Signatures
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Babuk Locker
RaaS first seen in 2021 initially called Vasa Locker.
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Babuk family
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (213) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Executes dropped EXE 3 IoCs
Processes:
valorant-skin-cli.exee_win.exevalorant-skin-cli.exepid process 4736 valorant-skin-cli.exe 3044 e_win.exe 1220 valorant-skin-cli.exe -
Loads dropped DLL 18 IoCs
Processes:
valorant-skin-cli.exepid process 1220 valorant-skin-cli.exe 1220 valorant-skin-cli.exe 1220 valorant-skin-cli.exe 1220 valorant-skin-cli.exe 1220 valorant-skin-cli.exe 1220 valorant-skin-cli.exe 1220 valorant-skin-cli.exe 1220 valorant-skin-cli.exe 1220 valorant-skin-cli.exe 1220 valorant-skin-cli.exe 1220 valorant-skin-cli.exe 1220 valorant-skin-cli.exe 1220 valorant-skin-cli.exe 1220 valorant-skin-cli.exe 1220 valorant-skin-cli.exe 1220 valorant-skin-cli.exe 1220 valorant-skin-cli.exe 1220 valorant-skin-cli.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
e_win.exedescription ioc process File opened (read-only) \??\Q: e_win.exe File opened (read-only) \??\I: e_win.exe File opened (read-only) \??\L: e_win.exe File opened (read-only) \??\B: e_win.exe File opened (read-only) \??\P: e_win.exe File opened (read-only) \??\S: e_win.exe File opened (read-only) \??\J: e_win.exe File opened (read-only) \??\X: e_win.exe File opened (read-only) \??\W: e_win.exe File opened (read-only) \??\T: e_win.exe File opened (read-only) \??\U: e_win.exe File opened (read-only) \??\O: e_win.exe File opened (read-only) \??\N: e_win.exe File opened (read-only) \??\K: e_win.exe File opened (read-only) \??\M: e_win.exe File opened (read-only) \??\E: e_win.exe File opened (read-only) \??\R: e_win.exe File opened (read-only) \??\Y: e_win.exe File opened (read-only) \??\A: e_win.exe File opened (read-only) \??\G: e_win.exe File opened (read-only) \??\H: e_win.exe File opened (read-only) \??\Z: e_win.exe File opened (read-only) \??\V: e_win.exe -
Detects Pyinstaller 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\valorant-skin-cli.exe pyinstaller -
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 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
79a67070f0fbff66cb39f3dadd3e3565b1b1b98ed9e079562aabd90d10ad75ac.exee_win.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 79a67070f0fbff66cb39f3dadd3e3565b1b1b98ed9e079562aabd90d10ad75ac.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e_win.exe -
Interacts with shadow copies 3 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exevssadmin.exepid process 2004 vssadmin.exe 4244 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
e_win.exevalorant-skin-cli.exepid process 3044 e_win.exe 3044 e_win.exe 1220 valorant-skin-cli.exe 1220 valorant-skin-cli.exe 1220 valorant-skin-cli.exe 1220 valorant-skin-cli.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
valorant-skin-cli.exevssvc.exedescription pid process Token: 35 1220 valorant-skin-cli.exe Token: SeDebugPrivilege 1220 valorant-skin-cli.exe Token: SeBackupPrivilege 1044 vssvc.exe Token: SeRestorePrivilege 1044 vssvc.exe Token: SeAuditPrivilege 1044 vssvc.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
79a67070f0fbff66cb39f3dadd3e3565b1b1b98ed9e079562aabd90d10ad75ac.exee_win.exevalorant-skin-cli.execmd.execmd.exedescription pid process target process PID 3600 wrote to memory of 4736 3600 79a67070f0fbff66cb39f3dadd3e3565b1b1b98ed9e079562aabd90d10ad75ac.exe valorant-skin-cli.exe PID 3600 wrote to memory of 4736 3600 79a67070f0fbff66cb39f3dadd3e3565b1b1b98ed9e079562aabd90d10ad75ac.exe valorant-skin-cli.exe PID 3600 wrote to memory of 3044 3600 79a67070f0fbff66cb39f3dadd3e3565b1b1b98ed9e079562aabd90d10ad75ac.exe e_win.exe PID 3600 wrote to memory of 3044 3600 79a67070f0fbff66cb39f3dadd3e3565b1b1b98ed9e079562aabd90d10ad75ac.exe e_win.exe PID 3600 wrote to memory of 3044 3600 79a67070f0fbff66cb39f3dadd3e3565b1b1b98ed9e079562aabd90d10ad75ac.exe e_win.exe PID 3044 wrote to memory of 1440 3044 e_win.exe cmd.exe PID 3044 wrote to memory of 1440 3044 e_win.exe cmd.exe PID 4736 wrote to memory of 1220 4736 valorant-skin-cli.exe valorant-skin-cli.exe PID 4736 wrote to memory of 1220 4736 valorant-skin-cli.exe valorant-skin-cli.exe PID 1440 wrote to memory of 2004 1440 cmd.exe vssadmin.exe PID 1440 wrote to memory of 2004 1440 cmd.exe vssadmin.exe PID 3044 wrote to memory of 1552 3044 e_win.exe cmd.exe PID 3044 wrote to memory of 1552 3044 e_win.exe cmd.exe PID 1552 wrote to memory of 4244 1552 cmd.exe vssadmin.exe PID 1552 wrote to memory of 4244 1552 cmd.exe vssadmin.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\79a67070f0fbff66cb39f3dadd3e3565b1b1b98ed9e079562aabd90d10ad75ac.exe"C:\Users\Admin\AppData\Local\Temp\79a67070f0fbff66cb39f3dadd3e3565b1b1b98ed9e079562aabd90d10ad75ac.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3600 -
C:\Users\Admin\AppData\Local\Temp\valorant-skin-cli.exe"C:\Users\Admin\AppData\Local\Temp\valorant-skin-cli.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4736 -
C:\Users\Admin\AppData\Local\Temp\valorant-skin-cli.exe"C:\Users\Admin\AppData\Local\Temp\valorant-skin-cli.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1220
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C:\Users\Admin\AppData\Local\Temp\e_win.exe"C:\Users\Admin\AppData\Local\Temp\e_win.exe"2⤵
- Executes dropped EXE
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet3⤵
- Suspicious use of WriteProcessMemory
PID:1440 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2004
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet3⤵
- Suspicious use of WriteProcessMemory
PID:1552 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:4244
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1044
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
87KB
MD50e675d4a7a5b7ccd69013386793f68eb
SHA16e5821ddd8fea6681bda4448816f39984a33596b
SHA256bf5ff4603557c9959acec995653d052d9054ad4826df967974efd2f377c723d1
SHA512cae69a90f92936febde67dacd6ce77647cb3b3ed82bb66463cd9047e90723f633aa2fc365489de09fecdc510be15808c183b12e6236b0893af19633f6a670e66
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Filesize
70KB
MD545126a5a3995f890e5c942ba615a569c
SHA1928aa2b9f2e2485dc835c6d0f92999f5d5581264
SHA256490e3b87f7a570ee09e4d95a439c525883b4ab22b701cf89f68409a559e7bbf3
SHA512dcc282bc6e6b524f1e9a66a042a10afb13aecc6a77f18414524d1e7db69aaa919b856a415e81acd79a58b069b2d5a8b12f61dc25f1f62c486805fab15f439232
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Filesize
87KB
MD592075c2759ac8246953e6fa6323e43fe
SHA16818befe630c2656183ea7fe735db159804b7773
SHA256e7af6119b56ddd47fd0a909710f7163d7ef4822405fc138d24e6ce9de7a5022f
SHA5127f3a4409859695f53291c96dd487bca2649815bad5f4610c2c6f92777411d39210e293d962573a20dfe73ea15331de7e6c18b017ae1d6f226387eab1fc1f586c
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Filesize
131KB
MD52787764fe3056f37c79a3fc79e620172
SHA1a64d1a047ba644d0588dc4288b74925ed72e6ed4
SHA25641c593c960f3f89b1e1629c6b7bd6171fe306168f816bef02027332a263de117
SHA5121dc5bb470be558c643a3f68e23423697384bc547b1192cd398dff640e28f7df85563bc87643cdcde9b8b4f880f272e13a673a018ae251e100bd99790f993afa0
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Filesize
38KB
MD57808b500fbfb17c968f10ee6d68461df
SHA12a8e54037e7d03d20244fefd8247cf218e1d668f
SHA256e2701f4e4a7556adab7415e448070289ba4fe047227f48c3a049d7c3154aff0b
SHA512b4239e792141bcf924f61bfd46033934337079b245f423b34820d36c6599ca35ab06bc525acfff4cafa75e31975fcd0409dedd203377d642fc5dc55ec2c1fa27
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Filesize
251KB
MD5ab582419629183e1615b76fc5d2c7704
SHA1b78ee7e725a417bef50cca47590950e970eae200
SHA2565a45f7cd517ad396a042bc2767ae73221dc68f934e828a9433249924a371ee5e
SHA5123f38441dd0b88b486dafaa1e15d07f0ee467a362c1603071a2fa79de770fa061ced25ca790f0d3139f31178c719cc82ac88601262e2a0ca809708dfa3f6f76ca
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Filesize
43KB
MD573ed0ee50db2ea98118f704e78d5e95e
SHA193d6cf61c8848e70f2afffc698f9718a18ad74ce
SHA256009cadfd046eee91e183489edf6b8ad8562e5c9e851ef4ad0034b5d88201c942
SHA512efd98f373f2309bf50139b35fb17e0d1355bed421c827224d8eba093f3005c3325cc55ef2853cd2d55e2873c9a73e3867bbe4d267f52c6fab5cddc8f2d076a97
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Filesize
27KB
MD5a48af48dd880c11673469c1ade525558
SHA101e9bbcd7eccaa6d5033544e875c7c20f8812124
SHA256a98e9f330eeaf40ef516237ab5bc1efac1fc49ed321a128be78dd3fb8733e0a4
SHA512a535dadb79c1ca10506858226442d1d1fb00e5d6f99afa6b539e2506a6627a7bd624a7ee2bc61f55c974113de80fd7a95e6c18e9402736d32d5099077ca1b913
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Filesize
74KB
MD510cd16bb63862536570c717ffc453da4
SHA1b3ef50d7ac4652b5c35f1d86a0130fb43dd5a669
SHA256e002a1bd6fba44681d557b64d439585dba9820226e1c3da5a62628bbaa930ae3
SHA51255ee581c4005901661efaf9aad6ea39b2b2e265579539d464d62e4209638567b3b9fdd945d0bed0a1047f977d374a5707a970c621ca289077e2d6c5aeca491b1
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Filesize
121KB
MD58b5af5ac31b6bde9023a4adc3e7f0ce1
SHA1c5d7eaaed9be784227a0854bfb8a983058410a35
SHA2567040d3712f31b7d11882ce8c907452fa725678b646b900f6868f43ab3e4ddab6
SHA512499aa2321a2e5492c700513d63cf08fc12d3a430a5e9f5d865279919f6d7b74385b6767bbee63616f84b52d02070b16b2d4c3921163c42864f33e7b5331b1444
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Filesize
759KB
MD55cb31103b8c5e6ceaaa78e4f3f961e2d
SHA1cb14e1205c62cc3e8e808259f51731864724c541
SHA256eff3e9c4b1a960c3cdc4f3a85d416b93c4d34ba1f76f3008eaba369f7fafeecd
SHA51242b2776e7c20919805594d4fc1d6446eeecc27a60154577568fdb04fc811250cc5410dd1afdf25c61e22c8ef3f4f77670b01e586317b810a3365a877b5f6bdb7
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Filesize
253KB
MD53dcd08b803fbb28231e18b5d1eef4258
SHA1b81ea40b943cd8a0c341f3a13e5bc05090b5a72a
SHA256de2fa17c4d8ae68dc204a1b6b58b7a7a12569367cfeb8a3a4e1f377c73e83e9e
SHA5129cc7106e921fbcf8c56745b38051a5a56154c600e3c553f2e64d93ec988c88b17f6d49698bdc18e3aa57ae96a79ee2c08c584c7c4c91cc6ea72db3dca6ccc2f5
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Filesize
3.2MB
MD5bf83f8ad60cb9db462ce62c73208a30d
SHA1f1bc7dbc1e5b00426a51878719196d78981674c4
SHA256012866b68f458ec204b9bce067af8f4a488860774e7e17973c49e583b52b828d
SHA512ae1bdda1c174ddf4205ab19a25737fe523dca6a9a339030cd8a95674c243d0011121067c007be56def4eaeffc40cbdadfdcbd1e61df3404d6a3921d196dcd81e
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Filesize
670KB
MD5fe1f3632af98e7b7a2799e3973ba03cf
SHA1353c7382e2de3ccdd2a4911e9e158e7c78648496
SHA2561ce7ba99e817c1c2d71bc88a1bdd6fcad82aa5c3e519b91ebd56c96f22e3543b
SHA512a0123dfe324d3ebf68a44afafca7c6f33d918716f29b063c72c4a8bd2006b81faea6848f4f2423778d57296d7bf4f99a3638fc87b37520f0dcbeefa3a2343de0
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Filesize
72KB
MD5eb2e7580f823b00576880cada4526092
SHA19195525a1e9cbac344171dd5333f2df0852c890f
SHA2563ee35d8a42d5951c8498246aa6d302bbffecea65a2fcaa78a069011c6f543d59
SHA512aaaef52e15a61490d87c2c1e49713590b3bfb65229c4318fa51bee92b9440e1fd546bfe8773440b559a55a9525f51ed2bfc9996fb4de50476533db3d6f284b77
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Filesize
194KB
MD502d615171b805cc573b28e17611f663f
SHA12e63b78316b4eae6ee1c25f1f10fbbb84ecef054
SHA256e60b5cbdf7480db1fc829e05ce45703d43d5ba25fdf7fba21cca1d38b1f3b3a4
SHA512b61cd3d16d1a192016a50342ae71fee8f764c4c156e275a320f74cc4ec65755c91c022231d09a76b59d6225960f5a930f1887003b1d6984beeb5a9648b045427
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Filesize
3.6MB
MD5c4e99d7375888d873d2478769a8d844c
SHA1881e42ad9b7da068ee7a6d133484f9d39519ca7e
SHA25612f26beb439ddf8d56e7544b06a0675d5da6670c02f8f9cede7aad1de71eb116
SHA512a5b79a919f15cda2c295c8da923ffe5dd30408376e459669e4e376b9d4d504d43671518d7085352bb90c4ce4efc6d81c91ac6cedbdaa896f916d80f7346a695b
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Filesize
26KB
MD539b7c056bca546778690b9922315f9ff
SHA15f62169c8de1f72db601d30b37d157478723859b
SHA2569514b4c40c35396b1952a8acf805e993a3875b37370f44ef36ed33c7151412ef
SHA512229538131d83299ea90652818c99972c1ee692c070e7fea9599420c99dd8ae75fb2367e9509aad23984fe0a8d21221a59bd57493b5cd1d6c7391c3c55d714e94
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Filesize
983KB
MD5e3cbcb26ee85737e70ce55d498fcaa38
SHA18dcdcf5e8d9b621a149163cc3f12d01fde1ef4ac
SHA2568ab85c80c5d9ad3618fd86aa45a878bb5a5d7e449528c317a8239c33876c75b5
SHA512eb85a84f0d7e4f65ab67869e56b68f8da72a570b9b2fd0ee28e9d3ea9a80b4d35352261213b0e26d9d7592e750a0870e7b62df69e948bc060b0bfe6cea9fb12d
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Filesize
1.0MB
MD5d2ab7f9a441bb139feeb0e11eb600371
SHA1467aeb881fccd4a43a16f319635da81f05279cc6
SHA256465ab1b24c39a5a5da9415c96740dfdb4d071b25a7a87e275841e1d66a57e88f
SHA512cf8eaae07c176fab5ca54a3935ec2fd6933e3f2d0ca107bf60f1389f2258865d101685918c7a04802da2a97980747935f1b56b0da3d1db3a1ea282f74db0b6a0
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Filesize
79KB
MD52298d910b2d34e870e0f561eda4dcfc6
SHA1078b2cace5161e34aaaaeba6bfbe3f6259651f34
SHA256bb845cf9c1674452a995f58b3971c04fd67a0a8d256288e58cb4454bb80a5efe
SHA5126465216a71c116321a6e7d9e1746247cfe1c29a5897422f13ed55cfb3a0daa42ba673a7cc308bf5440c6bf5fb084d065a6b4aab84c11ca1d81fdf23c09cbfe33
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Filesize
11.8MB
MD5618f14f157f325c42d4ee192d218e704
SHA1d7889120eeeb8bab7fc45e0391afdffcae4d681a
SHA256f19ea07dc1e91fc2a19bffad3e0e7a0b3b76d05cc617bae40a43289691b9a190
SHA512fe8d79303670d593670c32b804ebcfe905f0ce2f85e346e6972ec95591bd66b3b77def5657f7bbae49310df1b4e94897722c3035721463da77ebdaa5b66d4ee6
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Filesize
297B
MD5570b1fdf399f507290125437e06b77e6
SHA1660c6cdd4d6a257e7219f970a73c7a81d7509adc
SHA2562d33a0d437b652881cf68883f1fe44f779e17c13ef32348b3d224890d9779b7e
SHA5129414c42919e718da6e5e1648feeb9398a51b759e0d4ad51cafeeea0f1180a32d15fb4528711cd26234adc197e552e0c21715eb360cc041c2d47105dd6516b4b6
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Filesize
259B
MD5f026fb213f419a400ba83e1a69d26472
SHA1821f1318d077065fe1a3fe2075f053f1191d5739
SHA256b87c7d852c60b34e5986e2d41fb4f644df11f7350ef2272ad58a469e476d2bc1
SHA5126929aa4dccef21718625513ab21c9e39599969d6350dadfa00747cc8bde302d2d7158df845686f1e607b2b05126697263982f6ab61e189781117c9329176e50e