Analysis
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max time kernel
141s -
max time network
162s -
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 21:14
Static task
static1
Behavioral task
behavioral1
Sample
a57ec24923ef09065e6691fd556309ab65dee0e73c014cc91907841d1b989dbf.exe
Resource
win7-20221111-en
General
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Target
a57ec24923ef09065e6691fd556309ab65dee0e73c014cc91907841d1b989dbf.exe
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Size
920KB
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MD5
70d8b52e50441e6200ffbfafe9a6f28e
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SHA1
694165950ae31e8907a093a7b3b91132bae1f9fd
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SHA256
a57ec24923ef09065e6691fd556309ab65dee0e73c014cc91907841d1b989dbf
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SHA512
668218116c6e2512dbf680f4ac14a4d45736a8aab6ba2f46598375f68f0d646c7f733010ce092bad109c4dad670e3022db5bff6e0f8683d69d645a5049106310
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SSDEEP
24576:h1OYdaOAMtdHAqcdDVhYwiei7+EpFAh/kKU:h1OshPHVmVhYwiLtKkKU
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
UVVquSHoKZnB4Hr.exepid process 684 UVVquSHoKZnB4Hr.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:
UVVquSHoKZnB4Hr.exedescription ioc process File created C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\hbhjnnoaihfbabmfmijkblkhadbincdp\1.3\manifest.json UVVquSHoKZnB4Hr.exe File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\hbhjnnoaihfbabmfmijkblkhadbincdp\1.3\manifest.json UVVquSHoKZnB4Hr.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\hbhjnnoaihfbabmfmijkblkhadbincdp\1.3\manifest.json UVVquSHoKZnB4Hr.exe File created C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\hbhjnnoaihfbabmfmijkblkhadbincdp\1.3\manifest.json UVVquSHoKZnB4Hr.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\hbhjnnoaihfbabmfmijkblkhadbincdp\1.3\manifest.json UVVquSHoKZnB4Hr.exe -
Drops file in System32 directory 4 IoCs
Processes:
UVVquSHoKZnB4Hr.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy UVVquSHoKZnB4Hr.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini UVVquSHoKZnB4Hr.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol UVVquSHoKZnB4Hr.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI UVVquSHoKZnB4Hr.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
UVVquSHoKZnB4Hr.exepid process 684 UVVquSHoKZnB4Hr.exe 684 UVVquSHoKZnB4Hr.exe 684 UVVquSHoKZnB4Hr.exe 684 UVVquSHoKZnB4Hr.exe 684 UVVquSHoKZnB4Hr.exe 684 UVVquSHoKZnB4Hr.exe 684 UVVquSHoKZnB4Hr.exe 684 UVVquSHoKZnB4Hr.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
a57ec24923ef09065e6691fd556309ab65dee0e73c014cc91907841d1b989dbf.exedescription pid process target process PID 4284 wrote to memory of 684 4284 a57ec24923ef09065e6691fd556309ab65dee0e73c014cc91907841d1b989dbf.exe UVVquSHoKZnB4Hr.exe PID 4284 wrote to memory of 684 4284 a57ec24923ef09065e6691fd556309ab65dee0e73c014cc91907841d1b989dbf.exe UVVquSHoKZnB4Hr.exe PID 4284 wrote to memory of 684 4284 a57ec24923ef09065e6691fd556309ab65dee0e73c014cc91907841d1b989dbf.exe UVVquSHoKZnB4Hr.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a57ec24923ef09065e6691fd556309ab65dee0e73c014cc91907841d1b989dbf.exe"C:\Users\Admin\AppData\Local\Temp\a57ec24923ef09065e6691fd556309ab65dee0e73c014cc91907841d1b989dbf.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4284 -
C:\Users\Admin\AppData\Local\Temp\7zS1925.tmp\UVVquSHoKZnB4Hr.exe.\UVVquSHoKZnB4Hr.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:684
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:4584
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:4580
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD53f1c8f2437065ff625c161c06557a3fd
SHA1d0b56465b668e659cf2434ac42d1112cf285167b
SHA256ffd2d87f8fcc8be9a654220c57562e83d5c026ab9f8a7b40c09b038e148bd799
SHA5121374da22d75f32d355b7843e849af6d918e08d4e09c2414632271c9b785b4c1b114e43fdbb4d42b5671d2961270b7911eaedc468de69f70ef16ed5f8410939a5
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Filesize
760KB
MD5dcd148f6f3af3e3b0935c4fcc9f41811
SHA1ee9bdbc7c568c7832d90b85921ab20030b6734cd
SHA256f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4
SHA51234be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886
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Filesize
760KB
MD5dcd148f6f3af3e3b0935c4fcc9f41811
SHA1ee9bdbc7c568c7832d90b85921ab20030b6734cd
SHA256f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4
SHA51234be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886
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Filesize
6KB
MD5c28f44165e33fd43832fc96f7a373251
SHA172b3ff783eb60f4330881197b67b23f618778af7
SHA256ecf6df8cd37bf5a8abbf0b5a860a89594423a67777db9c75cbaa8df863b2f2ac
SHA512443ae857c80c0e564c1cd29a7539f82759644dce45f6cb20e990bee9785974c9bc23bedfb36f1f87df8f946e512e7e91d3b6abcf97f5a0899d4b1ce5ec07c7f2
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Filesize
143B
MD5b0c61e5971a8adb78494763c65368763
SHA1f58463c168d2bb40ee5f5423227e47f329776bab
SHA256959542c3ab75256e0657f9acaba3f055646322f3b3922450852aa3d4ed05d6ac
SHA5123a8e51d69c1a3a1c5ccfdb4d96d96b009a9b39261074b243d5b7a774c54ce9af70f40e92ba28ae79553baf9d142c28f2642028ac51c4a73f5615ae039d6b17c4
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Filesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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Filesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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Filesize
498B
MD5664e2884e17f23553a19eee317642194
SHA1a28ccc088d6b6692646150f3e8f111e568723fb4
SHA256ee4ef853224cde2aa7e54351c02bc811af939202b82e19cbd1cc011fc3565191
SHA512b2cef8c4dfb6a0648f21c53393b982c9171d8a0344a94970c13866ebd2870de2cd99dab5984000b10802c54a748230104c7997c3d2cd3ac5e97c9355a4cb7ecb
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C:\Users\Admin\AppData\Local\Temp\7zS1925.tmp\[email protected]\bootstrap.js
Filesize2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zS1925.tmp\[email protected]\chrome.manifest
Filesize35B
MD5a447f7c560e1955d7bf12099d16fc2c1
SHA108395897d54f174bf6d5f588888feb49d8215eb9
SHA256b11fc4acd386a990dbf158321e5b7611a575838a87e8904a9bddc66b4c74d8ec
SHA5128cf3a39c88d71b6c3cd36e8c8246de5d714002a18c300ed8307f3796aaf31bce2048183a182bf55d445aea7e438c65cb346480c690515cee9ad01c3e6e593a4d
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C:\Users\Admin\AppData\Local\Temp\7zS1925.tmp\[email protected]\content\bg.js
Filesize9KB
MD5d6255a59c8e2e50b381e3491f95339bb
SHA1501be8c210a9d0c2c5b64bfae47089c8a22e780a
SHA2561f36df1d61b1f7cb66bd4612de7046fbbc91504a34f98251bd6a386c64ae37e0
SHA5122e9d1a44a0e8abfc566d72ec660421f5afbdb355dafbf6a9e9b5c15f908c3ac7dbb8b756660a9e1dee58173bc3935ac274bc0f60809e82775745e4646f1f2630
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C:\Users\Admin\AppData\Local\Temp\7zS1925.tmp\[email protected]\install.rdf
Filesize590B
MD542bb1377867d5261b5cd42041335b50b
SHA1e202562ee936dd5f93cae39e1c8b40314667659c
SHA25637524934cef5c7be85817cbbce500fb2366d475382e86a05990cdc59123fb0f3
SHA51232431478d6f7de3365583314f30f6a0b23dc27caebacf241cd74634b81aede7e8106570b78e77e72ed7631b8221e431655e5165864f64cd0a2a27f21ea22eb25