Analysis
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max time kernel
273s -
max time network
407s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2022 19:19
Static task
static1
Behavioral task
behavioral1
Sample
c97e3772b10d31efdb9b816b7f48ec4df08a10f773203b91b54a3ac848b09045.exe
Resource
win7-20220901-en
General
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Target
c97e3772b10d31efdb9b816b7f48ec4df08a10f773203b91b54a3ac848b09045.exe
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Size
920KB
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MD5
6d7026c8f5d9b61af5c1f0a75ec09db9
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SHA1
6b4c4c9265695443d8598254c04f17ed016e6b71
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SHA256
c97e3772b10d31efdb9b816b7f48ec4df08a10f773203b91b54a3ac848b09045
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SHA512
6478f1591c9d449006e31caf1b7897ec8c27c6605c4aa5ae512de7748a3260d613994901efac43a165d9610b70cdc33033598d2c616f00c8fd0656f2a638eb4b
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SSDEEP
24576:h1OYdaOLMtdHAqcdDVhYwiei7+EpFAh/kK2:h1OsSPHVmVhYwiLtKkK2
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
vtofzTMsiPalYAF.exepid process 4416 vtofzTMsiPalYAF.exe -
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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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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Drops Chrome extension 5 IoCs
Processes:
vtofzTMsiPalYAF.exedescription ioc process File created C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\mckcagggepemckemipkomaeffjkecflf\2.0\manifest.json vtofzTMsiPalYAF.exe File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\mckcagggepemckemipkomaeffjkecflf\2.0\manifest.json vtofzTMsiPalYAF.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\mckcagggepemckemipkomaeffjkecflf\2.0\manifest.json vtofzTMsiPalYAF.exe File created C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\mckcagggepemckemipkomaeffjkecflf\2.0\manifest.json vtofzTMsiPalYAF.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\mckcagggepemckemipkomaeffjkecflf\2.0\manifest.json vtofzTMsiPalYAF.exe -
Drops file in System32 directory 4 IoCs
Processes:
vtofzTMsiPalYAF.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy vtofzTMsiPalYAF.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini vtofzTMsiPalYAF.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol vtofzTMsiPalYAF.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI vtofzTMsiPalYAF.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
vtofzTMsiPalYAF.exepid process 4416 vtofzTMsiPalYAF.exe 4416 vtofzTMsiPalYAF.exe 4416 vtofzTMsiPalYAF.exe 4416 vtofzTMsiPalYAF.exe 4416 vtofzTMsiPalYAF.exe 4416 vtofzTMsiPalYAF.exe 4416 vtofzTMsiPalYAF.exe 4416 vtofzTMsiPalYAF.exe 4416 vtofzTMsiPalYAF.exe 4416 vtofzTMsiPalYAF.exe 4416 vtofzTMsiPalYAF.exe 4416 vtofzTMsiPalYAF.exe 4416 vtofzTMsiPalYAF.exe 4416 vtofzTMsiPalYAF.exe 4416 vtofzTMsiPalYAF.exe 4416 vtofzTMsiPalYAF.exe 4416 vtofzTMsiPalYAF.exe 4416 vtofzTMsiPalYAF.exe 4416 vtofzTMsiPalYAF.exe 4416 vtofzTMsiPalYAF.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
vtofzTMsiPalYAF.exedescription pid process Token: SeDebugPrivilege 4416 vtofzTMsiPalYAF.exe Token: SeDebugPrivilege 4416 vtofzTMsiPalYAF.exe Token: SeDebugPrivilege 4416 vtofzTMsiPalYAF.exe Token: SeDebugPrivilege 4416 vtofzTMsiPalYAF.exe Token: SeDebugPrivilege 4416 vtofzTMsiPalYAF.exe Token: SeDebugPrivilege 4416 vtofzTMsiPalYAF.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
c97e3772b10d31efdb9b816b7f48ec4df08a10f773203b91b54a3ac848b09045.exedescription pid process target process PID 2860 wrote to memory of 4416 2860 c97e3772b10d31efdb9b816b7f48ec4df08a10f773203b91b54a3ac848b09045.exe vtofzTMsiPalYAF.exe PID 2860 wrote to memory of 4416 2860 c97e3772b10d31efdb9b816b7f48ec4df08a10f773203b91b54a3ac848b09045.exe vtofzTMsiPalYAF.exe PID 2860 wrote to memory of 4416 2860 c97e3772b10d31efdb9b816b7f48ec4df08a10f773203b91b54a3ac848b09045.exe vtofzTMsiPalYAF.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c97e3772b10d31efdb9b816b7f48ec4df08a10f773203b91b54a3ac848b09045.exe"C:\Users\Admin\AppData\Local\Temp\c97e3772b10d31efdb9b816b7f48ec4df08a10f773203b91b54a3ac848b09045.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2860 -
C:\Users\Admin\AppData\Local\Temp\7zS8EA.tmp\vtofzTMsiPalYAF.exe.\vtofzTMsiPalYAF.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4416
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:1704
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:3200
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\7zS8EA.tmp\[email protected]\bootstrap.js
Filesize2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zS8EA.tmp\[email protected]\chrome.manifest
Filesize35B
MD562ca1f71219b1f45b40e864263d4b3a6
SHA1a081e6781f5e543dd9b56d2ecda91759adf90107
SHA256312233ebac5d53c69fe8c615381173022f112785f8508795290b9c6c9b0efd66
SHA512be02094ee277fc19a6cb00a03205ab2c772432995cb034333ef9100e973d201d0ff0ea64976d80babf2b9eea29eb9fa1a05045b555e7c864b9d74b3b08ff4b41
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C:\Users\Admin\AppData\Local\Temp\7zS8EA.tmp\[email protected]\content\bg.js
Filesize8KB
MD55bc650a81f0c7f555dec2fa3237145f5
SHA1b9b1c50ff9f70e5d6dd76eed40de4d1380340bf8
SHA256089a044420247edad7b173305697e17d99c3ffdb954436bf5db5f7d4743f5edd
SHA512f3a3320298bdeb3d49ad430067b59cb2ed15c24c6b1b4252404b1782dd200a22930d0c9623bf04d143a7c74d6b198c2f6495a1fee4b6265f8116261f582f7016
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C:\Users\Admin\AppData\Local\Temp\7zS8EA.tmp\[email protected]\install.rdf
Filesize592B
MD523bbb0f86fe6c76b54cabe7c16926e5e
SHA142f8d0798791ca74fba9978671f2e4a4f699b0aa
SHA256a391236f33f19645820d1cb9c67b33f27cb56b77ee7bf12ab07d334db7452320
SHA51282d4b84a161f581cfd05d6ab12c6de9e06df62593e0d98add732b864cf1b09de7927192dbd05be671396c01a7164c58e98b90ba424c8af51675f8ca298ce0e17
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Filesize
6KB
MD5c1f21769b61438c1c9c4c0689b7f30e9
SHA1f44844f1c796294d6bfa4d7594df4fde4857241b
SHA256c9bcac9c64a86a6d3742af53623aebcf79a861e2897490fd3af4ef04605c5979
SHA51219504cf93d3aa224d53c21cb8e170cee3042de288932380ef41cdd8182d78a8256d3b2a63436cd94ef632c03416554e5c1e2a6f4c08cf60da5dc65b58e10ca26
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Filesize
138B
MD56f78a9f8b3159b436ed441ca0fa88fb7
SHA178b91858aceb4c4b345970b7f5375bd9c5cee5e7
SHA256df00d7c896f5836452fe07dd66a17dd46157fdec21d3c8ca886b1a7ba909165e
SHA512f867296bae6366e6328c8bead204c16130aad48e3c8770a99bf994eb85e7d31c748ed6d219c5bbcc8b2619c0721396213dfe82e4c0072938f6135ca91d627d77
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Filesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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Filesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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Filesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a
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Filesize
1KB
MD57efd29fcae657ae0d14133b06b0f5f24
SHA1f6dcd2e6549043ce7657efce48117c6f24694839
SHA2563018ab44fc54cfed9dbd7ac43755afa553e9e8923141b09cf38a5e4bcd5c5df5
SHA512f1542b5d311e3c1f96a3dd656bbb4e54bc072a58bbbfcfbccbda94eb0a112b1ef352c4952a16de491c38c305170fe75dc2d6d5fba0dc7e4c13eb51447a85d68e
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Filesize
760KB
MD5dcd148f6f3af3e3b0935c4fcc9f41811
SHA1ee9bdbc7c568c7832d90b85921ab20030b6734cd
SHA256f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4
SHA51234be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886
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Filesize
760KB
MD5dcd148f6f3af3e3b0935c4fcc9f41811
SHA1ee9bdbc7c568c7832d90b85921ab20030b6734cd
SHA256f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4
SHA51234be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886