Analysis
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max time kernel
126s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2022 19:32
Static task
static1
Behavioral task
behavioral1
Sample
c57c882f738f919d1ee5707207ced76dcf644563b6b406dde273d0195ebec598.exe
Resource
win7-20220812-en
General
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Target
c57c882f738f919d1ee5707207ced76dcf644563b6b406dde273d0195ebec598.exe
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Size
920KB
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MD5
1f7646e22b71407fec632898dffc5c64
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SHA1
e872ac758170f518e1e411c68d16608e499862cc
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SHA256
c57c882f738f919d1ee5707207ced76dcf644563b6b406dde273d0195ebec598
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SHA512
70991b10707d158f8a2271e8140ccdc53dcd4042a89ca0d420587c56e7e2711d233f811a1cf7057283ac1cfaf1dbb4752fff08b295f0daff7989a5690f896325
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SSDEEP
24576:h1OYdaO6MtdHAqcdDVhYwiei7+EpFAh/kKG:h1OsjPHVmVhYwiLtKkKG
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
OsJNr4YZLOdpg0B.exepid process 5044 OsJNr4YZLOdpg0B.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:
OsJNr4YZLOdpg0B.exedescription ioc process File created C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\ebaeicihgomlmbnomlibmpjldgimgohh\2.0\manifest.json OsJNr4YZLOdpg0B.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\ebaeicihgomlmbnomlibmpjldgimgohh\2.0\manifest.json OsJNr4YZLOdpg0B.exe File created C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\ebaeicihgomlmbnomlibmpjldgimgohh\2.0\manifest.json OsJNr4YZLOdpg0B.exe File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\ebaeicihgomlmbnomlibmpjldgimgohh\2.0\manifest.json OsJNr4YZLOdpg0B.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\ebaeicihgomlmbnomlibmpjldgimgohh\2.0\manifest.json OsJNr4YZLOdpg0B.exe -
Drops file in System32 directory 4 IoCs
Processes:
OsJNr4YZLOdpg0B.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI OsJNr4YZLOdpg0B.exe File opened for modification C:\Windows\System32\GroupPolicy OsJNr4YZLOdpg0B.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini OsJNr4YZLOdpg0B.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol OsJNr4YZLOdpg0B.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
OsJNr4YZLOdpg0B.exepid process 5044 OsJNr4YZLOdpg0B.exe 5044 OsJNr4YZLOdpg0B.exe 5044 OsJNr4YZLOdpg0B.exe 5044 OsJNr4YZLOdpg0B.exe 5044 OsJNr4YZLOdpg0B.exe 5044 OsJNr4YZLOdpg0B.exe 5044 OsJNr4YZLOdpg0B.exe 5044 OsJNr4YZLOdpg0B.exe 5044 OsJNr4YZLOdpg0B.exe 5044 OsJNr4YZLOdpg0B.exe 5044 OsJNr4YZLOdpg0B.exe 5044 OsJNr4YZLOdpg0B.exe 5044 OsJNr4YZLOdpg0B.exe 5044 OsJNr4YZLOdpg0B.exe 5044 OsJNr4YZLOdpg0B.exe 5044 OsJNr4YZLOdpg0B.exe 5044 OsJNr4YZLOdpg0B.exe 5044 OsJNr4YZLOdpg0B.exe 5044 OsJNr4YZLOdpg0B.exe 5044 OsJNr4YZLOdpg0B.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
OsJNr4YZLOdpg0B.exedescription pid process Token: SeDebugPrivilege 5044 OsJNr4YZLOdpg0B.exe Token: SeDebugPrivilege 5044 OsJNr4YZLOdpg0B.exe Token: SeDebugPrivilege 5044 OsJNr4YZLOdpg0B.exe Token: SeDebugPrivilege 5044 OsJNr4YZLOdpg0B.exe Token: SeDebugPrivilege 5044 OsJNr4YZLOdpg0B.exe Token: SeDebugPrivilege 5044 OsJNr4YZLOdpg0B.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
c57c882f738f919d1ee5707207ced76dcf644563b6b406dde273d0195ebec598.exedescription pid process target process PID 3840 wrote to memory of 5044 3840 c57c882f738f919d1ee5707207ced76dcf644563b6b406dde273d0195ebec598.exe OsJNr4YZLOdpg0B.exe PID 3840 wrote to memory of 5044 3840 c57c882f738f919d1ee5707207ced76dcf644563b6b406dde273d0195ebec598.exe OsJNr4YZLOdpg0B.exe PID 3840 wrote to memory of 5044 3840 c57c882f738f919d1ee5707207ced76dcf644563b6b406dde273d0195ebec598.exe OsJNr4YZLOdpg0B.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c57c882f738f919d1ee5707207ced76dcf644563b6b406dde273d0195ebec598.exe"C:\Users\Admin\AppData\Local\Temp\c57c882f738f919d1ee5707207ced76dcf644563b6b406dde273d0195ebec598.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\OsJNr4YZLOdpg0B.exe.\OsJNr4YZLOdpg0B.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 -p -s fhsvc1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\OsJNr4YZLOdpg0B.datFilesize
1KB
MD5b2001467b0dd0103ccc68f9bbd9ef2f5
SHA1b7b1c971126106c359b96152940615f0911365e4
SHA2560c677796b892099ace2a7762378a793e795a23261c46f3e30dccd5337912d636
SHA5121d77f0d09111fc9aca2ca48f6e85579c9827ab77006f0309a1a7c956124172773da5df2dff71eb1b1c1e11fb3ba8860cbbd2e639495fbd673d98e494ae0a1e91
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C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\OsJNr4YZLOdpg0B.exeFilesize
760KB
MD5dcd148f6f3af3e3b0935c4fcc9f41811
SHA1ee9bdbc7c568c7832d90b85921ab20030b6734cd
SHA256f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4
SHA51234be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886
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C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\OsJNr4YZLOdpg0B.exeFilesize
760KB
MD5dcd148f6f3af3e3b0935c4fcc9f41811
SHA1ee9bdbc7c568c7832d90b85921ab20030b6734cd
SHA256f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4
SHA51234be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886
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C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\[email protected]\bootstrap.jsFilesize
2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\[email protected]\chrome.manifestFilesize
35B
MD55429da3fcd4f5c58cbdcac60be85d2b8
SHA1156bd593a3f6bb697b2ed71bdc9aee7f7e0fc594
SHA256173dd6086c9f0c3b514a9be52ddab5cf408aa220f6cc4f205ec6c4d05b91b27d
SHA512fef9c2d6f2f04830fd76643d83c3ba0f5277b696572a786578ce505a0beea302653641c482c3ade839c26cb51533cbecc7badbe217efaf86923ea29df914fcbe
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C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\[email protected]\content\bg.jsFilesize
8KB
MD5d9adcbb695fcaa1c8a605260f533ec63
SHA1b89801349b70f9e95222c822190a9141e5203b1c
SHA2564543bb83c17f30fda70e1a867946a9782912583d714f77f73a04e571c5cfe8ae
SHA512c5d2db4792386f023fb249f25cb239b336a346f89e25a78168440ec8727f1ec4031aa8e699ead3104cb568cea3c3c245a04342aa4593432674d3dbd44700fcdc
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C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\[email protected]\install.rdfFilesize
596B
MD52f51fb9c1251d9cc491ad06bac18373a
SHA1d61c174db7d33efce75e11ca6c6262234b7e8d24
SHA2569e32525459e1575d653fdb17f8c2b6adc1d754b96768b727d6b172b628427f51
SHA5129d5ebefda6e8c0baf5c50cde88424f086918c68d2dd5f4c2e2400a737e30bb1945184f0af9ddc66b7eec9073b1ae80c60b56985dc110b2abc91cc5133c9b859a
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C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\ebaeicihgomlmbnomlibmpjldgimgohh\background.htmlFilesize
147B
MD53f539e9627a2d42255100c56f79deafb
SHA1f2c8dd22deb2481ebc38e37f564c8d480af4707a
SHA256f4d3065776d069fa50a1fa2919a6b71a77b2f32f8e55f8907206ce2332707084
SHA5122083fb5a2ae4414bea06a75870b4473009689c61685cdbd667eac15277c4af2baee5255ea82e6dece255b0e569c2a59bf148f749e4b4380641c7165fd3f6f842
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C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\ebaeicihgomlmbnomlibmpjldgimgohh\content.jsFilesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\ebaeicihgomlmbnomlibmpjldgimgohh\lsdb.jsFilesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\ebaeicihgomlmbnomlibmpjldgimgohh\manifest.jsonFilesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a
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C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\ebaeicihgomlmbnomlibmpjldgimgohh\yqCEI4DpBD.jsFilesize
6KB
MD5cd8a69ec12e9ba5f19fa3f262c51426d
SHA1a615cc7b358ac0c9621e914137762c7b8ae84d9a
SHA25690e167c8b70150033945c017c20affd9f47635095e15399dcd8264fd114ac25b
SHA5124fb72503d7ca6f69404f8c17670a38b4043ba96d70684d62b99e5eef8de435e0b395adde84a582a7868080644b3dbaa13c347cdb6a8bbfa6eb99504546e167cd
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memory/5044-132-0x0000000000000000-mapping.dmp