Analysis
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max time kernel
149s -
max time network
154s -
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 21:18
Static task
static1
Behavioral task
behavioral1
Sample
a4507b978e1e447cb73ebbab694721934019cd0dd7c04d48a110c53a52978554.exe
Resource
win7-20221111-en
General
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Target
a4507b978e1e447cb73ebbab694721934019cd0dd7c04d48a110c53a52978554.exe
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Size
920KB
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MD5
a08ccb7994a3db1ebec2e1f74c27212c
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SHA1
87399473335bc7f19a4eb643524467c599e8b6bf
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SHA256
a4507b978e1e447cb73ebbab694721934019cd0dd7c04d48a110c53a52978554
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SHA512
08550b3e8433996bf79f79941562685666920c1867659aaa8a23a91077f6178cc51a453b62899e8e3f684fd9c0d914f5358c140c6c327459c54c7b9aeff66cd9
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SSDEEP
24576:h1OYdaOUCZ/iWCvu/2sWsJA/jlt+DHhsm:h1OsGCpYO/dJJDHhsm
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
YDkeKLBblsDXv1W.exepid process 2748 YDkeKLBblsDXv1W.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:
YDkeKLBblsDXv1W.exedescription ioc process File created C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\nolijncfnkgaikbjbdaogikpmpbdcdef\158\manifest.json YDkeKLBblsDXv1W.exe File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\nolijncfnkgaikbjbdaogikpmpbdcdef\158\manifest.json YDkeKLBblsDXv1W.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\nolijncfnkgaikbjbdaogikpmpbdcdef\158\manifest.json YDkeKLBblsDXv1W.exe File created C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\nolijncfnkgaikbjbdaogikpmpbdcdef\158\manifest.json YDkeKLBblsDXv1W.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\nolijncfnkgaikbjbdaogikpmpbdcdef\158\manifest.json YDkeKLBblsDXv1W.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
YDkeKLBblsDXv1W.exepid process 2748 YDkeKLBblsDXv1W.exe 2748 YDkeKLBblsDXv1W.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
a4507b978e1e447cb73ebbab694721934019cd0dd7c04d48a110c53a52978554.exedescription pid process target process PID 4624 wrote to memory of 2748 4624 a4507b978e1e447cb73ebbab694721934019cd0dd7c04d48a110c53a52978554.exe YDkeKLBblsDXv1W.exe PID 4624 wrote to memory of 2748 4624 a4507b978e1e447cb73ebbab694721934019cd0dd7c04d48a110c53a52978554.exe YDkeKLBblsDXv1W.exe PID 4624 wrote to memory of 2748 4624 a4507b978e1e447cb73ebbab694721934019cd0dd7c04d48a110c53a52978554.exe YDkeKLBblsDXv1W.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a4507b978e1e447cb73ebbab694721934019cd0dd7c04d48a110c53a52978554.exe"C:\Users\Admin\AppData\Local\Temp\a4507b978e1e447cb73ebbab694721934019cd0dd7c04d48a110c53a52978554.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7zS7871.tmp\YDkeKLBblsDXv1W.exe.\YDkeKLBblsDXv1W.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Suspicious behavior: EnumeratesProcesses
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\7zS7871.tmp\YDkeKLBblsDXv1W.datFilesize
1KB
MD59423ce53a825e36b1168168e05243b87
SHA11acebd17cc7983601e0a494ce5223f6e2044ef52
SHA2569edaba930d11db9a117da7e347d98b0c2217e2acbd300e08aa57d38f6315f113
SHA512236166d949c3e1f68f9f4078d7c3f2af26e4699268a2fb11711bc21fc1e9e4fc711998bb6d64698e3fee6aec1849f3a734cfac90ad9cb3f2a4cdf8b692a7d97d
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C:\Users\Admin\AppData\Local\Temp\7zS7871.tmp\YDkeKLBblsDXv1W.exeFilesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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C:\Users\Admin\AppData\Local\Temp\7zS7871.tmp\YDkeKLBblsDXv1W.exeFilesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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C:\Users\Admin\AppData\Local\Temp\7zS7871.tmp\nolijncfnkgaikbjbdaogikpmpbdcdef\J.jsFilesize
7KB
MD547f99944bc24cd123d88a02a4356f32e
SHA11768eb996407e2dc365c9f2fe9fb83de30e8867d
SHA2560518714b25de465c2bc66ae37fa36f0246d3ced1cf696b7566d5785f0775b976
SHA51228741df27b839bfc486f7dcf805f1371af129f304d6548ab50002100678b9a699c8ef8b844bd6937fdd6db91966b738434e8f416a24fe765a07555808e1e0544
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C:\Users\Admin\AppData\Local\Temp\7zS7871.tmp\nolijncfnkgaikbjbdaogikpmpbdcdef\background.htmlFilesize
138B
MD5b1ac0f6cd11aac5b771936881cac17cf
SHA1e3be3755e8483af0858ee04968e39c689d4925e5
SHA2562a2c230daebcef427dd23f601dac0f9126e12d271eb0d9f918fc09aece65384f
SHA5127bf1f40a5a1b073071e27b1956c3ab27c684200ee5dd524be6e45d7f9d62f849cfd7cbb2fbefe26bf2d8b27a5db2fe2f7148269b6821e3b48f6b75757e971e9f
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C:\Users\Admin\AppData\Local\Temp\7zS7871.tmp\nolijncfnkgaikbjbdaogikpmpbdcdef\content.jsFilesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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C:\Users\Admin\AppData\Local\Temp\7zS7871.tmp\nolijncfnkgaikbjbdaogikpmpbdcdef\lsdb.jsFilesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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C:\Users\Admin\AppData\Local\Temp\7zS7871.tmp\nolijncfnkgaikbjbdaogikpmpbdcdef\manifest.jsonFilesize
598B
MD50e0a4441cd7fce7884de5c712f3c3b72
SHA18b4727e8d7b4204ffba4fa7ca54b69e61e191607
SHA2569baa02db072dc7e6ab85952749723e024496bc18b4e4da0bffc2d99e7e4a2fda
SHA51288eba55e03f1385e29801ad34d697048e796554e91551f5f24c0fabfb938b76b9642b5b5b6b8c8bd508471ada3dfeea7476b3760b5e59284832bc31eb37e9ff8
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memory/2748-132-0x0000000000000000-mapping.dmp