Analysis
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max time kernel
177s -
max time network
201s -
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 19:39
Static task
static1
Behavioral task
behavioral1
Sample
c37a469dbfac8b9f55fc183ab433664fc76ee1f6d2db39b267152baaf6086e59.exe
Resource
win7-20221111-en
General
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Target
c37a469dbfac8b9f55fc183ab433664fc76ee1f6d2db39b267152baaf6086e59.exe
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Size
920KB
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MD5
dc1a73fd9cb11527f17dfaf19664198b
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SHA1
4e3b17374c16730a51fe82199681630e5929d112
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SHA256
c37a469dbfac8b9f55fc183ab433664fc76ee1f6d2db39b267152baaf6086e59
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SHA512
d0a2e4607d20fd98fd293495711beba3d48a111f6d8fd608c0b19e78ee7ca5ec4e56bffd755b9fa3984b115ddef81fc51f579d3b9a935bcd181d5a7da0b4be94
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SSDEEP
24576:h1OYdaOFMtdHAqcdDVhYwiei7+EpFAh/kKI:h1OskPHVmVhYwiLtKkKI
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
3jpEuHirUZxySvx.exepid process 4228 3jpEuHirUZxySvx.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:
3jpEuHirUZxySvx.exedescription ioc process File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\bfjnkljlooebodmopieehjmjhbgalodd\2.0\manifest.json 3jpEuHirUZxySvx.exe File created C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\bfjnkljlooebodmopieehjmjhbgalodd\2.0\manifest.json 3jpEuHirUZxySvx.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\bfjnkljlooebodmopieehjmjhbgalodd\2.0\manifest.json 3jpEuHirUZxySvx.exe File created C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\bfjnkljlooebodmopieehjmjhbgalodd\2.0\manifest.json 3jpEuHirUZxySvx.exe File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\bfjnkljlooebodmopieehjmjhbgalodd\2.0\manifest.json 3jpEuHirUZxySvx.exe -
Drops file in System32 directory 4 IoCs
Processes:
3jpEuHirUZxySvx.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI 3jpEuHirUZxySvx.exe File opened for modification C:\Windows\System32\GroupPolicy 3jpEuHirUZxySvx.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini 3jpEuHirUZxySvx.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol 3jpEuHirUZxySvx.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
3jpEuHirUZxySvx.exepid process 4228 3jpEuHirUZxySvx.exe 4228 3jpEuHirUZxySvx.exe 4228 3jpEuHirUZxySvx.exe 4228 3jpEuHirUZxySvx.exe 4228 3jpEuHirUZxySvx.exe 4228 3jpEuHirUZxySvx.exe 4228 3jpEuHirUZxySvx.exe 4228 3jpEuHirUZxySvx.exe 4228 3jpEuHirUZxySvx.exe 4228 3jpEuHirUZxySvx.exe 4228 3jpEuHirUZxySvx.exe 4228 3jpEuHirUZxySvx.exe 4228 3jpEuHirUZxySvx.exe 4228 3jpEuHirUZxySvx.exe 4228 3jpEuHirUZxySvx.exe 4228 3jpEuHirUZxySvx.exe 4228 3jpEuHirUZxySvx.exe 4228 3jpEuHirUZxySvx.exe 4228 3jpEuHirUZxySvx.exe 4228 3jpEuHirUZxySvx.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
3jpEuHirUZxySvx.exedescription pid process Token: SeDebugPrivilege 4228 3jpEuHirUZxySvx.exe Token: SeDebugPrivilege 4228 3jpEuHirUZxySvx.exe Token: SeDebugPrivilege 4228 3jpEuHirUZxySvx.exe Token: SeDebugPrivilege 4228 3jpEuHirUZxySvx.exe Token: SeDebugPrivilege 4228 3jpEuHirUZxySvx.exe Token: SeDebugPrivilege 4228 3jpEuHirUZxySvx.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
c37a469dbfac8b9f55fc183ab433664fc76ee1f6d2db39b267152baaf6086e59.exedescription pid process target process PID 4320 wrote to memory of 4228 4320 c37a469dbfac8b9f55fc183ab433664fc76ee1f6d2db39b267152baaf6086e59.exe 3jpEuHirUZxySvx.exe PID 4320 wrote to memory of 4228 4320 c37a469dbfac8b9f55fc183ab433664fc76ee1f6d2db39b267152baaf6086e59.exe 3jpEuHirUZxySvx.exe PID 4320 wrote to memory of 4228 4320 c37a469dbfac8b9f55fc183ab433664fc76ee1f6d2db39b267152baaf6086e59.exe 3jpEuHirUZxySvx.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c37a469dbfac8b9f55fc183ab433664fc76ee1f6d2db39b267152baaf6086e59.exe"C:\Users\Admin\AppData\Local\Temp\c37a469dbfac8b9f55fc183ab433664fc76ee1f6d2db39b267152baaf6086e59.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\3jpEuHirUZxySvx.exe.\3jpEuHirUZxySvx.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\3jpEuHirUZxySvx.datFilesize
1KB
MD5357b6d16cbd6bf056fd35191abcb622c
SHA1f504749b2b52b69e648faf5c5e706fa37dc7d951
SHA25641c56289ad381d8d1793d3d0b9c23107913c9f7a87ed606e3b668d1af133c55c
SHA5126cca6990ea94e991821474f7008f867529f709604e5eb68592eea6990a71945f3619e2277b1ba5619ecbe6cbeab93be8a19f2159c41a3803833fcc288fe3e7bb
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C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\3jpEuHirUZxySvx.exeFilesize
760KB
MD5dcd148f6f3af3e3b0935c4fcc9f41811
SHA1ee9bdbc7c568c7832d90b85921ab20030b6734cd
SHA256f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4
SHA51234be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886
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C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\3jpEuHirUZxySvx.exeFilesize
760KB
MD5dcd148f6f3af3e3b0935c4fcc9f41811
SHA1ee9bdbc7c568c7832d90b85921ab20030b6734cd
SHA256f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4
SHA51234be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886
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C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\bfjnkljlooebodmopieehjmjhbgalodd\Wv0cluOor.jsFilesize
6KB
MD5ae84da23e13506173b326bcd0ababf18
SHA17c29964df68a0ebae32fb057982d759ab9293480
SHA256a78456e0ed2fba2fdef5450f29b71bd485c043ebe0a9c5a5eb97acdffba196e4
SHA512f8123c8f5ac064abc1e442850f93b05afc8f925408242bf4d4f26adbe85147521d9f289ea2ec49f236a5f51282e809f0175c5dcae894f3a97a73b58e37455271
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C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\bfjnkljlooebodmopieehjmjhbgalodd\background.htmlFilesize
146B
MD573cd240a4eaae741662a2270d9fb0874
SHA1a62433d9515d6efb83a508a1700b2bc344ac3bf0
SHA2561bee8d04fa4378fa498dec634ad2c67bfceff89ab524f306c9229842ff2b5bf5
SHA5123547ac3a6d8f7c5079053ad86989397c8fb606c8ddedb9071b483006985be06ef3cd82d3dc1eec7bbb08a27f678ec9a6f17a5149d86246025eda72a7ba01b102
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C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\bfjnkljlooebodmopieehjmjhbgalodd\content.jsFilesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\bfjnkljlooebodmopieehjmjhbgalodd\lsdb.jsFilesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\bfjnkljlooebodmopieehjmjhbgalodd\manifest.jsonFilesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a
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C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\zFY@U0.net\bootstrap.jsFilesize
2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\zFY@U0.net\chrome.manifestFilesize
35B
MD56ff6a14bf7ae23db4caac9ec76326dad
SHA1c03080b22c18619dd634139c7d51204325d6e325
SHA2563af95debf3433bd42aaef48c5df7f908640d28c5a6430aa38735a14713f909df
SHA51236aefd2e4a5568af54fec41f560885d7d1f790d89a1ef6b11da61083ed9d9a52fde0a0293b0598a99d01e110993443a3c281b1313ed0df5a0eaa68608cb4e738
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C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\zFY@U0.net\content\bg.jsFilesize
8KB
MD52a5f6e04eadf6ca7924ac61b82a2ad13
SHA11fd3d21c710e29f3c455bb4502beb6a65d6b7e24
SHA25674f53ac07b125ac9aa74eb9d017eec5eb6f81688e8d683e3b43d657b75243f43
SHA512f57148f4940e5d09d9749548d56a02f18c2d2eb8ce6ac02d6e484a4c8600127564d55fd300244ece9647c2c10408338669df9463327aa1b22380d4e6123db4aa
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C:\Users\Admin\AppData\Local\Temp\7zS7157.tmp\zFY@U0.net\install.rdfFilesize
592B
MD55e6489475b5df2cfd5b4356b81bd7fa2
SHA14b879a2ad4c1e5010bcf334c00392c6e11e908b7
SHA25648aa65c588fd26866e5f75273fa9c65a702cacac90b24e10299bfeed9e72ba06
SHA512eff4d0f6456dd91d49c471167f36a1bf900c58f950350b5ba80beaab169965d0234c554d7399930f342b210ec358882bb85ffaa9d683bb95fa8bfac54cc67fcf
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memory/4228-132-0x0000000000000000-mapping.dmp