Analysis
-
max time kernel
150s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2022 21:10
Static task
static1
Behavioral task
behavioral1
Sample
a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exe
Resource
win7-20221111-en
General
-
Target
a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exe
-
Size
931KB
-
MD5
a67372cf7c6dbbedf7adf3847938dc04
-
SHA1
a78808a31ba8eb04bc50c4ec05a41a7020528005
-
SHA256
a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9
-
SHA512
3734f415def09cfc1d04765fe7b81e203be1b5cb43730de5404b9bb8882bcde45372bce671f9a09df123ada56c593d61f988120e0d7940bb2c3cb444e157004e
-
SSDEEP
24576:h1OYdaOGCZ/iWCvu/2sWsJA/jlt+DHhsj:h1Os4CpYO/dJJDHhsj
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
YTZ1hY5b92ntNRC.exepid process 4540 YTZ1hY5b92ntNRC.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Drops Chrome extension 5 IoCs
Processes:
YTZ1hY5b92ntNRC.exedescription ioc process File created C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\nnalmihgafjkobigdcghicjnofonoeoc\2.0\manifest.json YTZ1hY5b92ntNRC.exe 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\DefaultAccount\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 opened for modification C:\Windows\System32\GroupPolicy YTZ1hY5b92ntNRC.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini YTZ1hY5b92ntNRC.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol YTZ1hY5b92ntNRC.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI YTZ1hY5b92ntNRC.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
YTZ1hY5b92ntNRC.exepid process 4540 YTZ1hY5b92ntNRC.exe 4540 YTZ1hY5b92ntNRC.exe 4540 YTZ1hY5b92ntNRC.exe 4540 YTZ1hY5b92ntNRC.exe 4540 YTZ1hY5b92ntNRC.exe 4540 YTZ1hY5b92ntNRC.exe 4540 YTZ1hY5b92ntNRC.exe 4540 YTZ1hY5b92ntNRC.exe 4540 YTZ1hY5b92ntNRC.exe 4540 YTZ1hY5b92ntNRC.exe 4540 YTZ1hY5b92ntNRC.exe 4540 YTZ1hY5b92ntNRC.exe 4540 YTZ1hY5b92ntNRC.exe 4540 YTZ1hY5b92ntNRC.exe 4540 YTZ1hY5b92ntNRC.exe 4540 YTZ1hY5b92ntNRC.exe 4540 YTZ1hY5b92ntNRC.exe 4540 YTZ1hY5b92ntNRC.exe 4540 YTZ1hY5b92ntNRC.exe 4540 YTZ1hY5b92ntNRC.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
YTZ1hY5b92ntNRC.exedescription pid process Token: SeDebugPrivilege 4540 YTZ1hY5b92ntNRC.exe Token: SeDebugPrivilege 4540 YTZ1hY5b92ntNRC.exe Token: SeDebugPrivilege 4540 YTZ1hY5b92ntNRC.exe Token: SeDebugPrivilege 4540 YTZ1hY5b92ntNRC.exe Token: SeDebugPrivilege 4540 YTZ1hY5b92ntNRC.exe Token: SeDebugPrivilege 4540 YTZ1hY5b92ntNRC.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exedescription pid process target process PID 744 wrote to memory of 4540 744 a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exe YTZ1hY5b92ntNRC.exe PID 744 wrote to memory of 4540 744 a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exe YTZ1hY5b92ntNRC.exe PID 744 wrote to memory of 4540 744 a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exe YTZ1hY5b92ntNRC.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exe"C:\Users\Admin\AppData\Local\Temp\a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:744 -
C:\Users\Admin\AppData\Local\Temp\7zS7CF5.tmp\YTZ1hY5b92ntNRC.exe.\YTZ1hY5b92ntNRC.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4540
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:3668
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:4648
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\7zS7CF5.tmp\[email protected]\bootstrap.js
Filesize2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
-
C:\Users\Admin\AppData\Local\Temp\7zS7CF5.tmp\[email protected]\chrome.manifest
Filesize35B
MD5b77b8250fa36c2d4f64034fed9d2a712
SHA185fda28623360dd33e3842b6bc6320b1dc143870
SHA25677354b4f7626c2658493901ee81315d1103371aff7061fb16e5511f220bea29b
SHA51241a675ade4a20868bb1fa6e32a2a3f2c94423c5d3cd9be886e1356048280a42ee6425cebc129ab333988f92be3003ac4d8209cf33ef681204662241a9dc40d07
-
C:\Users\Admin\AppData\Local\Temp\7zS7CF5.tmp\[email protected]\content\bg.js
Filesize8KB
MD522a1098db84142054249265aa0fbc3b6
SHA11e279b7c8dadb878c11895c0b6813a40f4bccc5f
SHA2564cbc81f03f87e344fe57c7cee2bccef31ac69a55b5e91ae939d3470077a17402
SHA5128b054992ecb02a9004a5c6ebf4540b9c9165d6b733abe501284ec434e42958af881bddf6e7431031f8aa05af63ac2c301b167ffdd2172ad23f6896b68aaec7c9
-
C:\Users\Admin\AppData\Local\Temp\7zS7CF5.tmp\[email protected]\install.rdf
Filesize593B
MD51a1f0aa9e79363247d181fb18868a5a8
SHA1bc20e7a078ba6e863cf9884014b61d8b5d843e14
SHA256a128de2c064018d4c33014ae11720c0fe8464f09aa84cfbf0747c15960716a80
SHA512eccb9ef76872c06b8bd18af521f9cec05af6622263a9050e766a85548e68638e9e2538b306ed97b0bfdc85cffa1712c25b6c39268bb59777ba756f7d4ed4ee81
-
Filesize
1KB
MD54f5c006c0a615d8d5b0f569ae6ab4830
SHA10b6d408c4be335d8a2fcb2afc536fb7474a3c70a
SHA256904def845dac2eef840c01be3b7c8f85a3943c62f1c049e449e8719e8edf75f1
SHA51228d3aaf53cd2062d851972246d0bce1eec063ee8df0ef1aa4a101503865015dd4f2be0ca4bebd1667586fdbc7e4a8834d3a69d6b15d667f133f954966dd84922
-
Filesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
-
Filesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
-
Filesize
145B
MD536d1450bc4df20adcb4fd580094db1d2
SHA17702f611a07c244edd072b39eabcf871b02bbb4e
SHA256da315cb40441bc0696924e9cf61ebe2f67f50e1892472523087b781602a20f94
SHA51288f94752ec9395e8005b686b143f6007273ddb33f08283efb515b9ef2c765cbb0f8efe9d29f06783c9887ffbc4de113f002e2c548a62d30b927c2d7a3fdcff8d
-
Filesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
-
Filesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
-
Filesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a
-
Filesize
6KB
MD5961e10ff81e2ab32ea77843264314fd7
SHA1717fa75aa2f92115f33db102e0cc02bea9fc00cd
SHA2564700e28398dde5cd061a62c6d2b2a6da4431c98b387a4d07c043dca35f2a2015
SHA512e70ff5510e72466091ac830981c833ee1996806a3dc17e0076c064594f97d3686609991290bcfa19ae6d934e56d35d7542a58c96f579a9dde8464ec2698b46cd