Analysis
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max time kernel
23s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 01:54
Static task
static1
Behavioral task
behavioral1
Sample
4acb9ca5046a5bdc204e67ec4a41a8b6cbe6fba90f5e2fc939e35cf632af24fb.exe
Resource
win7-20220812-en
General
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Target
4acb9ca5046a5bdc204e67ec4a41a8b6cbe6fba90f5e2fc939e35cf632af24fb.exe
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Size
920KB
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MD5
12599167f3fcb05e511fd6a52d682d06
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SHA1
88bd6aae86f9b5e79109c6ebb9838e8e05adde53
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SHA256
4acb9ca5046a5bdc204e67ec4a41a8b6cbe6fba90f5e2fc939e35cf632af24fb
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SHA512
c2ff5b7c463b70900030ffc742fcab93488d39375f93862480758c5baa044908be4f2a7f42b68bddd9a9975db0473fdf5086d9242a81b0d5cda992d9a07954e6
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SSDEEP
24576:h1OYdaOTMtdHAqcdDVhYwiei7+EpFAh/kKT:h1Os+PHVmVhYwiLtKkKT
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
NhsBYsZ2ZVSJS8V.exepid process 1960 NhsBYsZ2ZVSJS8V.exe -
Loads dropped DLL 1 IoCs
Processes:
4acb9ca5046a5bdc204e67ec4a41a8b6cbe6fba90f5e2fc939e35cf632af24fb.exepid process 1968 4acb9ca5046a5bdc204e67ec4a41a8b6cbe6fba90f5e2fc939e35cf632af24fb.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:
NhsBYsZ2ZVSJS8V.exedescription ioc process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\dajgacgndljhhabpckfblbmkkkmfbgej\2.0\manifest.json NhsBYsZ2ZVSJS8V.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\dajgacgndljhhabpckfblbmkkkmfbgej\2.0\manifest.json NhsBYsZ2ZVSJS8V.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\dajgacgndljhhabpckfblbmkkkmfbgej\2.0\manifest.json NhsBYsZ2ZVSJS8V.exe -
Drops file in System32 directory 4 IoCs
Processes:
NhsBYsZ2ZVSJS8V.exedescription ioc process File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini NhsBYsZ2ZVSJS8V.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol NhsBYsZ2ZVSJS8V.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI NhsBYsZ2ZVSJS8V.exe File opened for modification C:\Windows\System32\GroupPolicy NhsBYsZ2ZVSJS8V.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
NhsBYsZ2ZVSJS8V.exepid process 1960 NhsBYsZ2ZVSJS8V.exe 1960 NhsBYsZ2ZVSJS8V.exe 1960 NhsBYsZ2ZVSJS8V.exe 1960 NhsBYsZ2ZVSJS8V.exe 1960 NhsBYsZ2ZVSJS8V.exe 1960 NhsBYsZ2ZVSJS8V.exe 1960 NhsBYsZ2ZVSJS8V.exe 1960 NhsBYsZ2ZVSJS8V.exe 1960 NhsBYsZ2ZVSJS8V.exe 1960 NhsBYsZ2ZVSJS8V.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
NhsBYsZ2ZVSJS8V.exedescription pid process Token: SeDebugPrivilege 1960 NhsBYsZ2ZVSJS8V.exe Token: SeDebugPrivilege 1960 NhsBYsZ2ZVSJS8V.exe Token: SeDebugPrivilege 1960 NhsBYsZ2ZVSJS8V.exe Token: SeDebugPrivilege 1960 NhsBYsZ2ZVSJS8V.exe Token: SeDebugPrivilege 1960 NhsBYsZ2ZVSJS8V.exe Token: SeDebugPrivilege 1960 NhsBYsZ2ZVSJS8V.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
4acb9ca5046a5bdc204e67ec4a41a8b6cbe6fba90f5e2fc939e35cf632af24fb.exedescription pid process target process PID 1968 wrote to memory of 1960 1968 4acb9ca5046a5bdc204e67ec4a41a8b6cbe6fba90f5e2fc939e35cf632af24fb.exe NhsBYsZ2ZVSJS8V.exe PID 1968 wrote to memory of 1960 1968 4acb9ca5046a5bdc204e67ec4a41a8b6cbe6fba90f5e2fc939e35cf632af24fb.exe NhsBYsZ2ZVSJS8V.exe PID 1968 wrote to memory of 1960 1968 4acb9ca5046a5bdc204e67ec4a41a8b6cbe6fba90f5e2fc939e35cf632af24fb.exe NhsBYsZ2ZVSJS8V.exe PID 1968 wrote to memory of 1960 1968 4acb9ca5046a5bdc204e67ec4a41a8b6cbe6fba90f5e2fc939e35cf632af24fb.exe NhsBYsZ2ZVSJS8V.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4acb9ca5046a5bdc204e67ec4a41a8b6cbe6fba90f5e2fc939e35cf632af24fb.exe"C:\Users\Admin\AppData\Local\Temp\4acb9ca5046a5bdc204e67ec4a41a8b6cbe6fba90f5e2fc939e35cf632af24fb.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7zS38FC.tmp\NhsBYsZ2ZVSJS8V.exe.\NhsBYsZ2ZVSJS8V.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\7zS38FC.tmp\[email protected]\bootstrap.jsFilesize
2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zS38FC.tmp\[email protected]\chrome.manifestFilesize
35B
MD559521b41eafaaba8ce7f3e6e2e059f14
SHA18fe4968a35e8f4c54cc6f4a2bf87569a09f865bd
SHA256021abfcabb2788fd30891bedb53bffaaee248a393e68a8f8dc11435ef1119891
SHA5126bd3ae144f78d8821cda8fcb76f8c6f565ebe2961f90e78af2ffacfe698eda18169dd9ac1aeb9897dcb68648319fe274e1e091c6fe1db6a5417df957d11333e2
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C:\Users\Admin\AppData\Local\Temp\7zS38FC.tmp\[email protected]\content\bg.jsFilesize
8KB
MD5ff5288075b0919d8036cd437f48c7af0
SHA18167236859c2b89144b5ca8a63a492379fcd486f
SHA256fbb4c783166c0f60dc9fa853d7b8cd14fb57a57204c6fcad170695a525735ad1
SHA512bf603ec739872d0fc5ae77166c00447ad530fae63f5723d5f2b9c055fb6d2027f8cb91b8ba58b0a98346b4159efa479f55d9b35b994102db87b5175eb8d6fcde
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C:\Users\Admin\AppData\Local\Temp\7zS38FC.tmp\[email protected]\install.rdfFilesize
591B
MD5668a18db613119b34b409cdd417d7b55
SHA1b74286dfe0260fbf3fa1e3f86d8864b0f039fe15
SHA2560c04bcd7f80729e5a45ca63f92f9f76c6a247c1a2c5065754a84baa9f41b36cd
SHA5120d1ac07a9dafbd95ba7a12407017e20b971d77e7b982941a23c21fc76e4abbd2dc153c93c2a6df0986e88ea7fe6b727d4f970e4f578bdb380622a6d7c56748e2
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C:\Users\Admin\AppData\Local\Temp\7zS38FC.tmp\NhsBYsZ2ZVSJS8V.datFilesize
1KB
MD594738c5d164e9a6201bb26e8a41f1c9c
SHA19ccf819b7987b99b8644310713b813f214c9701f
SHA25679c2fd954b7f121fa37415a556569de7983413b7c569462561e3fced2dee19fd
SHA512f2f9aa4729a5e496d4c3e0b0091953a8c9bddd64f732435ad006165ac1b2aa2e77b119f830d0a819ee63692b782fab0af99f095d1dae621d3128bcc19f40f854
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C:\Users\Admin\AppData\Local\Temp\7zS38FC.tmp\NhsBYsZ2ZVSJS8V.exeFilesize
760KB
MD5dcd148f6f3af3e3b0935c4fcc9f41811
SHA1ee9bdbc7c568c7832d90b85921ab20030b6734cd
SHA256f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4
SHA51234be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886
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C:\Users\Admin\AppData\Local\Temp\7zS38FC.tmp\dajgacgndljhhabpckfblbmkkkmfbgej\background.htmlFilesize
146B
MD5ed4d0f9eccf8ad112ef36615dbdad81a
SHA12540e6ee0e22a898cca4bbe7a821da475942e3ae
SHA256c0a9a97aca66ccae6408bdbe4db4f3059ff24562ce93bdf2348cbc3e353e2d59
SHA512bd6488ac8dcaef3da5b4c97af44a59b528367482950f51d5741a7dd6ba297c6b55c318302a2d62bbdb332efe59aa22a7750772e89dcfb8544383a70bc7471711
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C:\Users\Admin\AppData\Local\Temp\7zS38FC.tmp\dajgacgndljhhabpckfblbmkkkmfbgej\content.jsFilesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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C:\Users\Admin\AppData\Local\Temp\7zS38FC.tmp\dajgacgndljhhabpckfblbmkkkmfbgej\lsdb.jsFilesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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C:\Users\Admin\AppData\Local\Temp\7zS38FC.tmp\dajgacgndljhhabpckfblbmkkkmfbgej\manifest.jsonFilesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a
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C:\Users\Admin\AppData\Local\Temp\7zS38FC.tmp\dajgacgndljhhabpckfblbmkkkmfbgej\x1a1ZEPJ7.jsFilesize
6KB
MD50bf054253551227b71429a53d2e10e9b
SHA18cbdc349f7afeffc21aa28d967c2e8879355b61f
SHA25619e13607a8a18d088d87c326d51db1618aca1d00f7c8010706f1d848a4398607
SHA5120647e0828153644177ce1e600900d60e6918e5a6f8baf484efec8ad5b4fb1d282f8b217b65f6352d1de45323b9bb6979659829460d4f252e66e1acad2adc0303
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\Users\Admin\AppData\Local\Temp\7zS38FC.tmp\NhsBYsZ2ZVSJS8V.exeFilesize
760KB
MD5dcd148f6f3af3e3b0935c4fcc9f41811
SHA1ee9bdbc7c568c7832d90b85921ab20030b6734cd
SHA256f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4
SHA51234be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886
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memory/1960-56-0x0000000000000000-mapping.dmp
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memory/1968-54-0x00000000756B1000-0x00000000756B3000-memory.dmpFilesize
8KB