Analysis
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max time kernel
42s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 21:14
Static task
static1
Behavioral task
behavioral1
Sample
a5aa6b733b4f0e1a130eb762ce92fd73ef435265c396de7ba6c34de15260c601.exe
Resource
win7-20220901-en
General
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Target
a5aa6b733b4f0e1a130eb762ce92fd73ef435265c396de7ba6c34de15260c601.exe
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Size
931KB
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MD5
0a6db050d0f2ee450da4c22413af0463
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SHA1
e84d4d0c1f8447797ace8241c5e308dd8d89a1bb
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SHA256
a5aa6b733b4f0e1a130eb762ce92fd73ef435265c396de7ba6c34de15260c601
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SHA512
6b540d0037b4d13e0fa2edc3852a42f84111384b6201735be6ae7325854148dd5c670d23050fd9b11a26837083b305797415b85b961c43d56ee38cd192a44fb4
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SSDEEP
24576:h1OYdaOxCZ/iWCvu/2sWsJA/jlt+DHhsq:h1OsbCpYO/dJJDHhsq
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
kSjuFa6H1cgWLNN.exepid process 1124 kSjuFa6H1cgWLNN.exe -
Loads dropped DLL 1 IoCs
Processes:
a5aa6b733b4f0e1a130eb762ce92fd73ef435265c396de7ba6c34de15260c601.exepid process 1632 a5aa6b733b4f0e1a130eb762ce92fd73ef435265c396de7ba6c34de15260c601.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 3 IoCs
Processes:
kSjuFa6H1cgWLNN.exedescription ioc process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\bigddbpmennelfkgbllpgcdcpmlbkofe\2.0\manifest.json kSjuFa6H1cgWLNN.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\bigddbpmennelfkgbllpgcdcpmlbkofe\2.0\manifest.json kSjuFa6H1cgWLNN.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\bigddbpmennelfkgbllpgcdcpmlbkofe\2.0\manifest.json kSjuFa6H1cgWLNN.exe -
Drops file in System32 directory 4 IoCs
Processes:
kSjuFa6H1cgWLNN.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy kSjuFa6H1cgWLNN.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini kSjuFa6H1cgWLNN.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol kSjuFa6H1cgWLNN.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI kSjuFa6H1cgWLNN.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
kSjuFa6H1cgWLNN.exepid process 1124 kSjuFa6H1cgWLNN.exe 1124 kSjuFa6H1cgWLNN.exe 1124 kSjuFa6H1cgWLNN.exe 1124 kSjuFa6H1cgWLNN.exe 1124 kSjuFa6H1cgWLNN.exe 1124 kSjuFa6H1cgWLNN.exe 1124 kSjuFa6H1cgWLNN.exe 1124 kSjuFa6H1cgWLNN.exe 1124 kSjuFa6H1cgWLNN.exe 1124 kSjuFa6H1cgWLNN.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
kSjuFa6H1cgWLNN.exedescription pid process Token: SeDebugPrivilege 1124 kSjuFa6H1cgWLNN.exe Token: SeDebugPrivilege 1124 kSjuFa6H1cgWLNN.exe Token: SeDebugPrivilege 1124 kSjuFa6H1cgWLNN.exe Token: SeDebugPrivilege 1124 kSjuFa6H1cgWLNN.exe Token: SeDebugPrivilege 1124 kSjuFa6H1cgWLNN.exe Token: SeDebugPrivilege 1124 kSjuFa6H1cgWLNN.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
a5aa6b733b4f0e1a130eb762ce92fd73ef435265c396de7ba6c34de15260c601.exedescription pid process target process PID 1632 wrote to memory of 1124 1632 a5aa6b733b4f0e1a130eb762ce92fd73ef435265c396de7ba6c34de15260c601.exe kSjuFa6H1cgWLNN.exe PID 1632 wrote to memory of 1124 1632 a5aa6b733b4f0e1a130eb762ce92fd73ef435265c396de7ba6c34de15260c601.exe kSjuFa6H1cgWLNN.exe PID 1632 wrote to memory of 1124 1632 a5aa6b733b4f0e1a130eb762ce92fd73ef435265c396de7ba6c34de15260c601.exe kSjuFa6H1cgWLNN.exe PID 1632 wrote to memory of 1124 1632 a5aa6b733b4f0e1a130eb762ce92fd73ef435265c396de7ba6c34de15260c601.exe kSjuFa6H1cgWLNN.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a5aa6b733b4f0e1a130eb762ce92fd73ef435265c396de7ba6c34de15260c601.exe"C:\Users\Admin\AppData\Local\Temp\a5aa6b733b4f0e1a130eb762ce92fd73ef435265c396de7ba6c34de15260c601.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\kSjuFa6H1cgWLNN.exe.\kSjuFa6H1cgWLNN.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\[email protected]\bootstrap.jsFilesize
2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\[email protected]\chrome.manifestFilesize
35B
MD59d168a4405c18d9fef215e610b3753d7
SHA17acad42db8a8964c23f3b8cf22e2c9718ff1ca94
SHA256f99aee7292206cc674307311077510d0938efd468baa0be6d653abb8b44fe5d1
SHA512638550da8bac2f925bddea40c6aa28c3198c5c3ea179f57bba97993a39cbb7603c0346a89d725315bed423854593db092635bf6e8e018e82e75526a832b15570
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C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\[email protected]\content\bg.jsFilesize
8KB
MD55d950d2b4c537bff814e837ceb78c5ab
SHA1cad393ceeb92923735464c243be433a60dac464d
SHA2567f23779c918acf057b38a3de28a5fed01653c226e02155d176e2d31c9ab218b5
SHA512cfe117269ee7fc16792a08b56d5f0a16d5305104a5b4ae7914460de7fcf7e02d0a939171768ebb6204c95ade3c8acc298679aeda940e53d9dd3a6147be348b5b
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C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\[email protected]\install.rdfFilesize
596B
MD5f65e91bd86545376df449b9f6225cfe1
SHA1b494a0eb75ac2722cef3a76e1a612a97738b0de7
SHA2564271e8a2eaeb13b6a9f583b464146f1ddfdc44084eac7d34565bb9f5a56e94da
SHA51237e8c25b8d5ee1202c357d9fde87aa694000041453a79e5d0c2a400786010a055420c25e1ef6be6d02201610f2c26104d720e3ac09229dc2fe1e9d1ad1e9123d
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C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\bigddbpmennelfkgbllpgcdcpmlbkofe\ZvhcCNTp.jsFilesize
6KB
MD5264e609f57a9ae4fc5654f4f0282c84a
SHA17029d4654922197c55f9d677c203548a9f0efa24
SHA256a5b22bd2cf0f235a05a913b9473d2f0c418f69e9da18a64d5b8d3c404f825d86
SHA51228abfddc51a6e3ecb774bd2c6421b82a018281263191664d3dea6005ccbd3a69af1d4bd55946760861ce4989936c4589fccafb0463c616580cbc28c324b9c839
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C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\bigddbpmennelfkgbllpgcdcpmlbkofe\background.htmlFilesize
145B
MD5b3c96992d5a3be71eb18a14df2f28b33
SHA1e81dd9bf040f4ceeabc31d73b41ae62db6b695ad
SHA256e7cdb67da0b00b1797a87a9098588ee6084c1735a7b011a588307784ffe328c8
SHA51281079a7471559caa3eaaa578a3eddf0293bf26eae43212f37aad615b7b5ff848793ebcc5522afaa672d227fc8d30fda999351f93e6aa111c39821f7859ce9666
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C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\bigddbpmennelfkgbllpgcdcpmlbkofe\content.jsFilesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\bigddbpmennelfkgbllpgcdcpmlbkofe\lsdb.jsFilesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\bigddbpmennelfkgbllpgcdcpmlbkofe\manifest.jsonFilesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a
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C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\kSjuFa6H1cgWLNN.datFilesize
1KB
MD518328baa15db92120ec7287b955b2e28
SHA13ad0ac1ba6bd53e413019613fe33d0cee9cc97bf
SHA256b58cb3a3a752d52a4521f11963706f0daca04904d411ae99dc05c82f820f6f8b
SHA5125166684981caf4ab45d9e20c332a2a5c146411d952bff6904102d4f83d87f96a06da97eeba49d138e34f9b7fa998aa06b364279862da9e940bc16221af490500
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C:\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\kSjuFa6H1cgWLNN.exeFilesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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\Users\Admin\AppData\Local\Temp\7zSF4DB.tmp\kSjuFa6H1cgWLNN.exeFilesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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memory/1124-56-0x0000000000000000-mapping.dmp
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memory/1632-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmpFilesize
8KB