Analysis
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max time kernel
46s -
max time network
59s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 21:15
Static task
static1
Behavioral task
behavioral1
Sample
a558e0a7ab1156d459b60566c2320e64a3adf7be058be9807d1e54f340142dcf.exe
Resource
win7-20221111-en
General
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Target
a558e0a7ab1156d459b60566c2320e64a3adf7be058be9807d1e54f340142dcf.exe
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Size
920KB
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MD5
568fe62c8a10cdaafcf1b556c591e61c
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SHA1
243e181cbf71e029deea6ec627d2543f72064f29
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SHA256
a558e0a7ab1156d459b60566c2320e64a3adf7be058be9807d1e54f340142dcf
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SHA512
7657faf60bef1a7772ececbed9462e432fe7908d281e70c43a127c05cc13cffa46ac9efcbac03e4531e60cfa437fbc9dcdbe863d0703718d6569192513a4238e
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SSDEEP
24576:h1OYdaOQMtdHAqcdDVhYwiei7+EpFAh/kKW:h1OsdPHVmVhYwiLtKkKW
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
uZy1RGumyCZCjAi.exepid process 956 uZy1RGumyCZCjAi.exe -
Loads dropped DLL 1 IoCs
Processes:
a558e0a7ab1156d459b60566c2320e64a3adf7be058be9807d1e54f340142dcf.exepid process 960 a558e0a7ab1156d459b60566c2320e64a3adf7be058be9807d1e54f340142dcf.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:
uZy1RGumyCZCjAi.exedescription ioc process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\jchklnnnipnpgfojfepgnofopgobdknj\2.0\manifest.json uZy1RGumyCZCjAi.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\jchklnnnipnpgfojfepgnofopgobdknj\2.0\manifest.json uZy1RGumyCZCjAi.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\jchklnnnipnpgfojfepgnofopgobdknj\2.0\manifest.json uZy1RGumyCZCjAi.exe -
Drops file in System32 directory 4 IoCs
Processes:
uZy1RGumyCZCjAi.exedescription ioc process File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini uZy1RGumyCZCjAi.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol uZy1RGumyCZCjAi.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI uZy1RGumyCZCjAi.exe File opened for modification C:\Windows\System32\GroupPolicy uZy1RGumyCZCjAi.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
uZy1RGumyCZCjAi.exepid process 956 uZy1RGumyCZCjAi.exe 956 uZy1RGumyCZCjAi.exe 956 uZy1RGumyCZCjAi.exe 956 uZy1RGumyCZCjAi.exe 956 uZy1RGumyCZCjAi.exe 956 uZy1RGumyCZCjAi.exe 956 uZy1RGumyCZCjAi.exe 956 uZy1RGumyCZCjAi.exe 956 uZy1RGumyCZCjAi.exe 956 uZy1RGumyCZCjAi.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
uZy1RGumyCZCjAi.exedescription pid process Token: SeDebugPrivilege 956 uZy1RGumyCZCjAi.exe Token: SeDebugPrivilege 956 uZy1RGumyCZCjAi.exe Token: SeDebugPrivilege 956 uZy1RGumyCZCjAi.exe Token: SeDebugPrivilege 956 uZy1RGumyCZCjAi.exe Token: SeDebugPrivilege 956 uZy1RGumyCZCjAi.exe Token: SeDebugPrivilege 956 uZy1RGumyCZCjAi.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
a558e0a7ab1156d459b60566c2320e64a3adf7be058be9807d1e54f340142dcf.exedescription pid process target process PID 960 wrote to memory of 956 960 a558e0a7ab1156d459b60566c2320e64a3adf7be058be9807d1e54f340142dcf.exe uZy1RGumyCZCjAi.exe PID 960 wrote to memory of 956 960 a558e0a7ab1156d459b60566c2320e64a3adf7be058be9807d1e54f340142dcf.exe uZy1RGumyCZCjAi.exe PID 960 wrote to memory of 956 960 a558e0a7ab1156d459b60566c2320e64a3adf7be058be9807d1e54f340142dcf.exe uZy1RGumyCZCjAi.exe PID 960 wrote to memory of 956 960 a558e0a7ab1156d459b60566c2320e64a3adf7be058be9807d1e54f340142dcf.exe uZy1RGumyCZCjAi.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a558e0a7ab1156d459b60566c2320e64a3adf7be058be9807d1e54f340142dcf.exe"C:\Users\Admin\AppData\Local\Temp\a558e0a7ab1156d459b60566c2320e64a3adf7be058be9807d1e54f340142dcf.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7zS96F3.tmp\uZy1RGumyCZCjAi.exe.\uZy1RGumyCZCjAi.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
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\7zS96F3.tmp\[email protected]\bootstrap.jsFilesize
2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zS96F3.tmp\[email protected]\chrome.manifestFilesize
35B
MD5ea4a57a3777da814a7e6926512d1789a
SHA1459f760363886958053c87f811bc244d303a94bf
SHA256b11457a7eed9c555f909d12a3bfa32fd4f21fb37b1d3cb935799fc9f41fceb01
SHA5126c616ad76308192937a8fc2ec8566c88f37db43d33df6ecce2b45831aab741f27d3f9075b379e7fdcefcb866dacc9ce7b1d4b789af9cbee4feb77858e61ce763
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C:\Users\Admin\AppData\Local\Temp\7zS96F3.tmp\[email protected]\content\bg.jsFilesize
8KB
MD5e22b4fa5375cf98e08d2b89fb1de1776
SHA12cfd551f8e9ef6f42867c65d0a50a8b123e503a7
SHA256be655be6e2ecc1d624b0034dac7005029b69f728f251810d8ca4272adca8d697
SHA5127cd7797725f70fff317ab0b2d39fc1953ad3b50ed3d8f3a020d986a17a6d5a10c77f1cf791ceeaf72c42b9079dce789ce192a568a3371521e8c782b6fcf775b0
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C:\Users\Admin\AppData\Local\Temp\7zS96F3.tmp\[email protected]\install.rdfFilesize
594B
MD57a7bc3e17f68ddb348e9e53657c2fec1
SHA1a74df254c56cadc8e0b13a10b497377d62511804
SHA256b125ed0542e1114e73a707e2edf9cedcc9de53b5e8362e51596edde62ca232ae
SHA51248d747f013b1ee3ea50a39564006429a45306657cd05a48ef2c16e3fd3f92c95b0d90dc3f2124725e1dc4e74427eeef5b5dc31984262760d771a5987d1752c0a
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C:\Users\Admin\AppData\Local\Temp\7zS96F3.tmp\jchklnnnipnpgfojfepgnofopgobdknj\EYo.jsFilesize
6KB
MD53350a3ab28e12303fc1c538cbfaae68b
SHA1fb3921ca29446db64125ce2229bec2264b3476e8
SHA25649a51a894ebe84ba5938b3b7c48effe54da5492dfbe754cb8f429f036dc0c978
SHA512e9c9d56b81e22d6546681566c7c305f7bad4756194560de5c71f0d6196a9ba23d53d33bf959e17723066ef7d0f527a25d0331ee7b5416c0265e7038325a488c8
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C:\Users\Admin\AppData\Local\Temp\7zS96F3.tmp\jchklnnnipnpgfojfepgnofopgobdknj\background.htmlFilesize
140B
MD5cf1919fed1b916a358d94137536b0d9c
SHA1fad54baf6c7e345be83082ccf598c89f5764b917
SHA2561559487c5e9c38036a7bc5119bb95d3d09ff6c86f9d8b813a7fd5b74d3acaefd
SHA5127c5b926be6db13e69fa5d74b343dd4412d6b35c6b9036476b15727bc2694caa88a461caa045863ba8bac5a11394e0f317d4c87e601b9b0087253dd607a2d62bd
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C:\Users\Admin\AppData\Local\Temp\7zS96F3.tmp\jchklnnnipnpgfojfepgnofopgobdknj\content.jsFilesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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C:\Users\Admin\AppData\Local\Temp\7zS96F3.tmp\jchklnnnipnpgfojfepgnofopgobdknj\lsdb.jsFilesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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C:\Users\Admin\AppData\Local\Temp\7zS96F3.tmp\jchklnnnipnpgfojfepgnofopgobdknj\manifest.jsonFilesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a
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C:\Users\Admin\AppData\Local\Temp\7zS96F3.tmp\uZy1RGumyCZCjAi.datFilesize
1KB
MD52f5ede685c11234e0ea02cbe9a1315bb
SHA132dee2be461e3dbe46aeb2410a0ff15af2c808cb
SHA2562b4f4ff75c7ea62515f4a4a023ebfc97f335906695046882c373bbde99a75418
SHA51262ad05324d40d085bb040273df8e62d8f9ac8e065c0a5a386c3411a4033afd8c4c17fc094fc7ee1239b114f8343401c79681021fa8f60fd2766d8863d5fa0f38
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C:\Users\Admin\AppData\Local\Temp\7zS96F3.tmp\uZy1RGumyCZCjAi.exeFilesize
760KB
MD5dcd148f6f3af3e3b0935c4fcc9f41811
SHA1ee9bdbc7c568c7832d90b85921ab20030b6734cd
SHA256f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4
SHA51234be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886
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\Users\Admin\AppData\Local\Temp\7zS96F3.tmp\uZy1RGumyCZCjAi.exeFilesize
760KB
MD5dcd148f6f3af3e3b0935c4fcc9f41811
SHA1ee9bdbc7c568c7832d90b85921ab20030b6734cd
SHA256f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4
SHA51234be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886
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memory/956-56-0x0000000000000000-mapping.dmp
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memory/960-54-0x0000000075001000-0x0000000075003000-memory.dmpFilesize
8KB