Analysis
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max time kernel
180s -
max time network
234s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2022 19:35
Static task
static1
Behavioral task
behavioral1
Sample
c4905216081d9113e497548a67c77d7cbf87301e28d958f04b406a42e225f059.exe
Resource
win7-20220812-en
General
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Target
c4905216081d9113e497548a67c77d7cbf87301e28d958f04b406a42e225f059.exe
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Size
931KB
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MD5
f18889faf69e4e68374772ed126dcc39
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SHA1
7adf962d6c113fcb76a17d7d39842f4cdbb1d49f
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SHA256
c4905216081d9113e497548a67c77d7cbf87301e28d958f04b406a42e225f059
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SHA512
2dc98aad00f402d60350d11b234dc8ceae53f0a4c809a87b5d3839e5433b4206e7de9d5ccaf5ab12a8d5d4bfba30ab4345793b517f541edf5800acb04148bdee
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SSDEEP
24576:h1OYdaOaCZ/iWCvu/2sWsJA/jlt+DHhs9:h1OssCpYO/dJJDHhs9
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
bP35blynMahSTKK.exepid process 1284 bP35blynMahSTKK.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:
bP35blynMahSTKK.exedescription ioc process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\kfkhbgmbgggjofhafbddgmnaaiegbjpo\2.0\manifest.json bP35blynMahSTKK.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\kfkhbgmbgggjofhafbddgmnaaiegbjpo\2.0\manifest.json bP35blynMahSTKK.exe File created C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\kfkhbgmbgggjofhafbddgmnaaiegbjpo\2.0\manifest.json bP35blynMahSTKK.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\kfkhbgmbgggjofhafbddgmnaaiegbjpo\2.0\manifest.json bP35blynMahSTKK.exe File created C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\kfkhbgmbgggjofhafbddgmnaaiegbjpo\2.0\manifest.json bP35blynMahSTKK.exe -
Drops file in System32 directory 4 IoCs
Processes:
bP35blynMahSTKK.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy bP35blynMahSTKK.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini bP35blynMahSTKK.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol bP35blynMahSTKK.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI bP35blynMahSTKK.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
bP35blynMahSTKK.exepid process 1284 bP35blynMahSTKK.exe 1284 bP35blynMahSTKK.exe 1284 bP35blynMahSTKK.exe 1284 bP35blynMahSTKK.exe 1284 bP35blynMahSTKK.exe 1284 bP35blynMahSTKK.exe 1284 bP35blynMahSTKK.exe 1284 bP35blynMahSTKK.exe 1284 bP35blynMahSTKK.exe 1284 bP35blynMahSTKK.exe 1284 bP35blynMahSTKK.exe 1284 bP35blynMahSTKK.exe 1284 bP35blynMahSTKK.exe 1284 bP35blynMahSTKK.exe 1284 bP35blynMahSTKK.exe 1284 bP35blynMahSTKK.exe 1284 bP35blynMahSTKK.exe 1284 bP35blynMahSTKK.exe 1284 bP35blynMahSTKK.exe 1284 bP35blynMahSTKK.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
bP35blynMahSTKK.exedescription pid process Token: SeDebugPrivilege 1284 bP35blynMahSTKK.exe Token: SeDebugPrivilege 1284 bP35blynMahSTKK.exe Token: SeDebugPrivilege 1284 bP35blynMahSTKK.exe Token: SeDebugPrivilege 1284 bP35blynMahSTKK.exe Token: SeDebugPrivilege 1284 bP35blynMahSTKK.exe Token: SeDebugPrivilege 1284 bP35blynMahSTKK.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
c4905216081d9113e497548a67c77d7cbf87301e28d958f04b406a42e225f059.exedescription pid process target process PID 1220 wrote to memory of 1284 1220 c4905216081d9113e497548a67c77d7cbf87301e28d958f04b406a42e225f059.exe bP35blynMahSTKK.exe PID 1220 wrote to memory of 1284 1220 c4905216081d9113e497548a67c77d7cbf87301e28d958f04b406a42e225f059.exe bP35blynMahSTKK.exe PID 1220 wrote to memory of 1284 1220 c4905216081d9113e497548a67c77d7cbf87301e28d958f04b406a42e225f059.exe bP35blynMahSTKK.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c4905216081d9113e497548a67c77d7cbf87301e28d958f04b406a42e225f059.exe"C:\Users\Admin\AppData\Local\Temp\c4905216081d9113e497548a67c77d7cbf87301e28d958f04b406a42e225f059.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1220 -
C:\Users\Admin\AppData\Local\Temp\7zSDC85.tmp\bP35blynMahSTKK.exe.\bP35blynMahSTKK.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1284
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:4236
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:2024
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\7zSDC85.tmp\[email protected]\bootstrap.jsFilesize
2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zSDC85.tmp\[email protected]\chrome.manifestFilesize
35B
MD5af70d0e632e22a8459dadf3dec828903
SHA1f0214e87554322071fc99206e026b7a37882a15f
SHA256d34087bc95100672482916dcb79051d4ae0d5bb8fd0d31c2fcfdbb3c3ee25eba
SHA5124556ad2cf0bb3c2dac965f45b420cae27e49d1065b231524707dd1d15bb17be42fc50f1b1dd0edb345a52eba202d095aea3add5c1ebec8eca6a0d46bae1d6b92
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C:\Users\Admin\AppData\Local\Temp\7zSDC85.tmp\[email protected]\content\bg.jsFilesize
8KB
MD5b5985b7bfa32c01e95fa0308ef295bf9
SHA10df0b443b817f4df9b0da3e883806a10165ed168
SHA256263349396b6df7ec376caac3b86e4039877cf546f4b82a1fd5dc3538b99cb26d
SHA5126792f41db8294a407065aea58a59a8245b3a448bafa92ab10e7ccc5c814c3573467c9430671f021d10bad9a153113120b214a7bd710a8a5e5f12bc6277fec399
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C:\Users\Admin\AppData\Local\Temp\7zSDC85.tmp\[email protected]\install.rdfFilesize
591B
MD58e835048f0ce3a0de8257aa7c88863ed
SHA1ebbab9383cd0a93a5326c79d67c20ab11fa0626e
SHA256dcb5948e864848849f771d6fdcef92edb018818fc89bcd110e4f3fdcb38d8261
SHA512cb7fd92fc9aaccd34eb20b081d814fecfa98d372a42c46f48b0a9b65b8d051989dba8ff9239b69b50c11bcc57ac418fc5df131fc70609be6bf95820254a94b34
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C:\Users\Admin\AppData\Local\Temp\7zSDC85.tmp\bP35blynMahSTKK.datFilesize
1KB
MD586de6df7980d8858230568dc49481e25
SHA14c51662a183e9e116ae672a4c6ded46f608342bd
SHA2564a17b5b79206ccfa400818663d298a0fa1900f9e546acf2ec5495ff6e6b0160b
SHA512128b6072701a5d903eb2ac8f36ee70b82267b03a4c9c7b6b6aeaa5f98c609251cfe1ac753c944bb7c1a98d20709a9a78401d1bab509ae9400e47ce18d4ccc707
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C:\Users\Admin\AppData\Local\Temp\7zSDC85.tmp\bP35blynMahSTKK.exeFilesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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C:\Users\Admin\AppData\Local\Temp\7zSDC85.tmp\bP35blynMahSTKK.exeFilesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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C:\Users\Admin\AppData\Local\Temp\7zSDC85.tmp\kfkhbgmbgggjofhafbddgmnaaiegbjpo\background.htmlFilesize
143B
MD59a603de2aed3dc182507b84d3d6b4bcb
SHA1cd49ff3ee33319132c767611a49112686df94ca1
SHA2562d9e9a66c5322e07028300d046423f3b915a61ac04710a290d6785b741c4fecb
SHA5124c60122f082709a7731eed45aed7b4ff005b4b62742d7c855571ae12051c20dfb133b41fa0f1e8842d5dfb4da60cd6f2688a1906876817bbd3c503cebdf2797c
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C:\Users\Admin\AppData\Local\Temp\7zSDC85.tmp\kfkhbgmbgggjofhafbddgmnaaiegbjpo\content.jsFilesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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C:\Users\Admin\AppData\Local\Temp\7zSDC85.tmp\kfkhbgmbgggjofhafbddgmnaaiegbjpo\lsdb.jsFilesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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C:\Users\Admin\AppData\Local\Temp\7zSDC85.tmp\kfkhbgmbgggjofhafbddgmnaaiegbjpo\manifest.jsonFilesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a
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C:\Users\Admin\AppData\Local\Temp\7zSDC85.tmp\kfkhbgmbgggjofhafbddgmnaaiegbjpo\qhvYeg.jsFilesize
6KB
MD5c1201289d69cce3f18622914f7c5fa53
SHA1b7f2516c1341bca753e9f180f73b7e13b1839f0b
SHA256fc7bf7516cd53f1c7b7531d033a945633560fc2342d09c5c2f48a232e130fa6b
SHA5121a4d4c1a5f409e03136f0bc0ade97750acae3a1c3bc0a87c8d78ff7f37a7aa5ee1bf2912d9f27691d7aa33368d09cd0049b83a3c86ad55813737a9858f075e49
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memory/1284-132-0x0000000000000000-mapping.dmp