Analysis
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max time kernel
40s -
max time network
63s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 21:10
Static task
static1
Behavioral task
behavioral1
Sample
a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exe
Resource
win7-20221111-en
General
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Target
a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exe
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Size
931KB
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MD5
a67372cf7c6dbbedf7adf3847938dc04
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SHA1
a78808a31ba8eb04bc50c4ec05a41a7020528005
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SHA256
a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9
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SHA512
3734f415def09cfc1d04765fe7b81e203be1b5cb43730de5404b9bb8882bcde45372bce671f9a09df123ada56c593d61f988120e0d7940bb2c3cb444e157004e
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SSDEEP
24576:h1OYdaOGCZ/iWCvu/2sWsJA/jlt+DHhsj:h1Os4CpYO/dJJDHhsj
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
YTZ1hY5b92ntNRC.exepid process 1232 YTZ1hY5b92ntNRC.exe -
Loads dropped DLL 1 IoCs
Processes:
a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exepid process 1272 a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.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:
YTZ1hY5b92ntNRC.exedescription ioc process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\nnalmihgafjkobigdcghicjnofonoeoc\2.0\manifest.json YTZ1hY5b92ntNRC.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\nnalmihgafjkobigdcghicjnofonoeoc\2.0\manifest.json YTZ1hY5b92ntNRC.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\nnalmihgafjkobigdcghicjnofonoeoc\2.0\manifest.json YTZ1hY5b92ntNRC.exe -
Drops file in System32 directory 4 IoCs
Processes:
YTZ1hY5b92ntNRC.exedescription ioc process File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol YTZ1hY5b92ntNRC.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI YTZ1hY5b92ntNRC.exe File opened for modification C:\Windows\System32\GroupPolicy YTZ1hY5b92ntNRC.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini YTZ1hY5b92ntNRC.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
YTZ1hY5b92ntNRC.exepid process 1232 YTZ1hY5b92ntNRC.exe 1232 YTZ1hY5b92ntNRC.exe 1232 YTZ1hY5b92ntNRC.exe 1232 YTZ1hY5b92ntNRC.exe 1232 YTZ1hY5b92ntNRC.exe 1232 YTZ1hY5b92ntNRC.exe 1232 YTZ1hY5b92ntNRC.exe 1232 YTZ1hY5b92ntNRC.exe 1232 YTZ1hY5b92ntNRC.exe 1232 YTZ1hY5b92ntNRC.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
YTZ1hY5b92ntNRC.exedescription pid process Token: SeDebugPrivilege 1232 YTZ1hY5b92ntNRC.exe Token: SeDebugPrivilege 1232 YTZ1hY5b92ntNRC.exe Token: SeDebugPrivilege 1232 YTZ1hY5b92ntNRC.exe Token: SeDebugPrivilege 1232 YTZ1hY5b92ntNRC.exe Token: SeDebugPrivilege 1232 YTZ1hY5b92ntNRC.exe Token: SeDebugPrivilege 1232 YTZ1hY5b92ntNRC.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exedescription pid process target process PID 1272 wrote to memory of 1232 1272 a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exe YTZ1hY5b92ntNRC.exe PID 1272 wrote to memory of 1232 1272 a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exe YTZ1hY5b92ntNRC.exe PID 1272 wrote to memory of 1232 1272 a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exe YTZ1hY5b92ntNRC.exe PID 1272 wrote to memory of 1232 1272 a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exe YTZ1hY5b92ntNRC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exe"C:\Users\Admin\AppData\Local\Temp\a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\YTZ1hY5b92ntNRC.exe.\YTZ1hY5b92ntNRC.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\7zS5C25.tmp\[email protected]\bootstrap.jsFilesize
2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\[email protected]\chrome.manifestFilesize
35B
MD5b77b8250fa36c2d4f64034fed9d2a712
SHA185fda28623360dd33e3842b6bc6320b1dc143870
SHA25677354b4f7626c2658493901ee81315d1103371aff7061fb16e5511f220bea29b
SHA51241a675ade4a20868bb1fa6e32a2a3f2c94423c5d3cd9be886e1356048280a42ee6425cebc129ab333988f92be3003ac4d8209cf33ef681204662241a9dc40d07
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C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\[email protected]\content\bg.jsFilesize
8KB
MD522a1098db84142054249265aa0fbc3b6
SHA11e279b7c8dadb878c11895c0b6813a40f4bccc5f
SHA2564cbc81f03f87e344fe57c7cee2bccef31ac69a55b5e91ae939d3470077a17402
SHA5128b054992ecb02a9004a5c6ebf4540b9c9165d6b733abe501284ec434e42958af881bddf6e7431031f8aa05af63ac2c301b167ffdd2172ad23f6896b68aaec7c9
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C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\[email protected]\install.rdfFilesize
593B
MD51a1f0aa9e79363247d181fb18868a5a8
SHA1bc20e7a078ba6e863cf9884014b61d8b5d843e14
SHA256a128de2c064018d4c33014ae11720c0fe8464f09aa84cfbf0747c15960716a80
SHA512eccb9ef76872c06b8bd18af521f9cec05af6622263a9050e766a85548e68638e9e2538b306ed97b0bfdc85cffa1712c25b6c39268bb59777ba756f7d4ed4ee81
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C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\YTZ1hY5b92ntNRC.datFilesize
1KB
MD54f5c006c0a615d8d5b0f569ae6ab4830
SHA10b6d408c4be335d8a2fcb2afc536fb7474a3c70a
SHA256904def845dac2eef840c01be3b7c8f85a3943c62f1c049e449e8719e8edf75f1
SHA51228d3aaf53cd2062d851972246d0bce1eec063ee8df0ef1aa4a101503865015dd4f2be0ca4bebd1667586fdbc7e4a8834d3a69d6b15d667f133f954966dd84922
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C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\YTZ1hY5b92ntNRC.exeFilesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\nnalmihgafjkobigdcghicjnofonoeoc\background.htmlFilesize
145B
MD536d1450bc4df20adcb4fd580094db1d2
SHA17702f611a07c244edd072b39eabcf871b02bbb4e
SHA256da315cb40441bc0696924e9cf61ebe2f67f50e1892472523087b781602a20f94
SHA51288f94752ec9395e8005b686b143f6007273ddb33f08283efb515b9ef2c765cbb0f8efe9d29f06783c9887ffbc4de113f002e2c548a62d30b927c2d7a3fdcff8d
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C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\nnalmihgafjkobigdcghicjnofonoeoc\content.jsFilesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\nnalmihgafjkobigdcghicjnofonoeoc\lsdb.jsFilesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\nnalmihgafjkobigdcghicjnofonoeoc\manifest.jsonFilesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a
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C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\nnalmihgafjkobigdcghicjnofonoeoc\o4GnTC8b.jsFilesize
6KB
MD5961e10ff81e2ab32ea77843264314fd7
SHA1717fa75aa2f92115f33db102e0cc02bea9fc00cd
SHA2564700e28398dde5cd061a62c6d2b2a6da4431c98b387a4d07c043dca35f2a2015
SHA512e70ff5510e72466091ac830981c833ee1996806a3dc17e0076c064594f97d3686609991290bcfa19ae6d934e56d35d7542a58c96f579a9dde8464ec2698b46cd
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\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\YTZ1hY5b92ntNRC.exeFilesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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memory/1232-56-0x0000000000000000-mapping.dmp
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memory/1272-54-0x0000000074C41000-0x0000000074C43000-memory.dmpFilesize
8KB