Analysis
-
max time kernel
170s -
max time network
175s -
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 21:16
Static task
static1
Behavioral task
behavioral1
Sample
a4dda2ddd2becaeec26cf021dac21070cbf9e368b11c93d47818938110ed47e4.exe
Resource
win7-20221111-en
General
-
Target
a4dda2ddd2becaeec26cf021dac21070cbf9e368b11c93d47818938110ed47e4.exe
-
Size
920KB
-
MD5
89871a05f8ced35e1df1454d48f22e35
-
SHA1
cb03098d9b2f94c320e09d8458372b30f5c21dcf
-
SHA256
a4dda2ddd2becaeec26cf021dac21070cbf9e368b11c93d47818938110ed47e4
-
SHA512
ae55269188a9d6c178f649cb73de57a6095bba325d156cc10853fc763921f9fb84500d003f39950402b13b264e76067f85a9e6ef4bb8242a41e3d1211e5065b7
-
SSDEEP
24576:h1OYdaOcMtdHAqcdDVhYwiei7+EpFAh/kKw:h1OshPHVmVhYwiLtKkKw
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
KsmcaQwuzfw4vTO.exepid process 4564 KsmcaQwuzfw4vTO.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:
KsmcaQwuzfw4vTO.exedescription ioc process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\jghggkeocbmahiolclclinhbcdkbnjam\2.0\manifest.json KsmcaQwuzfw4vTO.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\jghggkeocbmahiolclclinhbcdkbnjam\2.0\manifest.json KsmcaQwuzfw4vTO.exe File created C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\jghggkeocbmahiolclclinhbcdkbnjam\2.0\manifest.json KsmcaQwuzfw4vTO.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\jghggkeocbmahiolclclinhbcdkbnjam\2.0\manifest.json KsmcaQwuzfw4vTO.exe File created C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\jghggkeocbmahiolclclinhbcdkbnjam\2.0\manifest.json KsmcaQwuzfw4vTO.exe -
Drops file in System32 directory 4 IoCs
Processes:
KsmcaQwuzfw4vTO.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy KsmcaQwuzfw4vTO.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini KsmcaQwuzfw4vTO.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol KsmcaQwuzfw4vTO.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI KsmcaQwuzfw4vTO.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
KsmcaQwuzfw4vTO.exepid process 4564 KsmcaQwuzfw4vTO.exe 4564 KsmcaQwuzfw4vTO.exe 4564 KsmcaQwuzfw4vTO.exe 4564 KsmcaQwuzfw4vTO.exe 4564 KsmcaQwuzfw4vTO.exe 4564 KsmcaQwuzfw4vTO.exe 4564 KsmcaQwuzfw4vTO.exe 4564 KsmcaQwuzfw4vTO.exe 4564 KsmcaQwuzfw4vTO.exe 4564 KsmcaQwuzfw4vTO.exe 4564 KsmcaQwuzfw4vTO.exe 4564 KsmcaQwuzfw4vTO.exe 4564 KsmcaQwuzfw4vTO.exe 4564 KsmcaQwuzfw4vTO.exe 4564 KsmcaQwuzfw4vTO.exe 4564 KsmcaQwuzfw4vTO.exe 4564 KsmcaQwuzfw4vTO.exe 4564 KsmcaQwuzfw4vTO.exe 4564 KsmcaQwuzfw4vTO.exe 4564 KsmcaQwuzfw4vTO.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
KsmcaQwuzfw4vTO.exedescription pid process Token: SeDebugPrivilege 4564 KsmcaQwuzfw4vTO.exe Token: SeDebugPrivilege 4564 KsmcaQwuzfw4vTO.exe Token: SeDebugPrivilege 4564 KsmcaQwuzfw4vTO.exe Token: SeDebugPrivilege 4564 KsmcaQwuzfw4vTO.exe Token: SeDebugPrivilege 4564 KsmcaQwuzfw4vTO.exe Token: SeDebugPrivilege 4564 KsmcaQwuzfw4vTO.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
a4dda2ddd2becaeec26cf021dac21070cbf9e368b11c93d47818938110ed47e4.exedescription pid process target process PID 4308 wrote to memory of 4564 4308 a4dda2ddd2becaeec26cf021dac21070cbf9e368b11c93d47818938110ed47e4.exe KsmcaQwuzfw4vTO.exe PID 4308 wrote to memory of 4564 4308 a4dda2ddd2becaeec26cf021dac21070cbf9e368b11c93d47818938110ed47e4.exe KsmcaQwuzfw4vTO.exe PID 4308 wrote to memory of 4564 4308 a4dda2ddd2becaeec26cf021dac21070cbf9e368b11c93d47818938110ed47e4.exe KsmcaQwuzfw4vTO.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a4dda2ddd2becaeec26cf021dac21070cbf9e368b11c93d47818938110ed47e4.exe"C:\Users\Admin\AppData\Local\Temp\a4dda2ddd2becaeec26cf021dac21070cbf9e368b11c93d47818938110ed47e4.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4308 -
C:\Users\Admin\AppData\Local\Temp\7zSB8D5.tmp\KsmcaQwuzfw4vTO.exe.\KsmcaQwuzfw4vTO.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4564
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:664
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:1144
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD59e205cc078e3a66a128d275f1ad6f08d
SHA1b7b071589fa20d59214b0b888ff85c19b94d7733
SHA2565e317d0540e46090c79b17ddfd974a48c4b75cd01bdb551ab5d56440e19e0048
SHA5126d3f824e386f1e3498ec122fc3c0b8539e88b425e372111538110f91b1d83351715886a63c9bb70e88472f30f9abba10508ff91aa980adeea22e1705fd51a11e
-
Filesize
760KB
MD5dcd148f6f3af3e3b0935c4fcc9f41811
SHA1ee9bdbc7c568c7832d90b85921ab20030b6734cd
SHA256f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4
SHA51234be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886
-
Filesize
760KB
MD5dcd148f6f3af3e3b0935c4fcc9f41811
SHA1ee9bdbc7c568c7832d90b85921ab20030b6734cd
SHA256f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4
SHA51234be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886
-
C:\Users\Admin\AppData\Local\Temp\7zSB8D5.tmp\[email protected]\bootstrap.js
Filesize2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
-
C:\Users\Admin\AppData\Local\Temp\7zSB8D5.tmp\[email protected]\chrome.manifest
Filesize35B
MD51ff4ca0cb76e815e911d75444d729a17
SHA11318f24c25e2f92199f64be7307c9266a3bdfe76
SHA256a318800f96f3e8cbc2858909dd6ecbb32821bd2dc9de3447a373edf38c6083d5
SHA512d02972c0acae015a038f1adf3ac699d918338c42afe84cc3f58aebaa2a8ed937bfd22284eeadcdecc772c18d36c88b07cb5b7fe5abefc39d3ca0e2b49e080e45
-
C:\Users\Admin\AppData\Local\Temp\7zSB8D5.tmp\[email protected]\content\bg.js
Filesize8KB
MD529e7a1111d25a4f53913df71d17974d1
SHA1b88fce9a7f2d9e7d23e98cd3f570118d1298614a
SHA256ab215cb71ad578950e666768f6931b0d5146c368acb03d003e7b62abe4d60071
SHA51214c9fcbdee36f01bd369124d9a680ff0f654be89d47a79bc67d9ce861b2e6fe619727333f2fa3cd56840ffa7a366b5614d66e31a3c038f8b4e3aac0c967ed01e
-
C:\Users\Admin\AppData\Local\Temp\7zSB8D5.tmp\[email protected]\install.rdf
Filesize591B
MD5a022d85f069a4ea2e210038650dd3023
SHA1ba853b26f2938bb5bd5854ea566d1ab5291e01e8
SHA25645ec3b157edb5852a828076e864ffee665085a162b43a1795fd10ca2afed2a96
SHA5125ab371664f15f7fc17a5d011bf48c8c08c2e93752fdfa19fac624d0087524a370bb7fdca3e060343cff0e253e47247a4cffbfe34420ba9e55a8fee17e6ad7394
-
Filesize
6KB
MD50507bc2d2f07c8867aed8dd6812f6210
SHA155a2248b73b94952e3d60497708c93c2afbad46a
SHA256a97505c6ae20c92b776d56155ec361c757f37d5b87d35b6ed8eb1ea6188f36e2
SHA512f355a9ae9a1c4a03dd07a74047c82b6a0edfde06170d233f63b5d0ee249d0fcb9a7674d095d6cc946270fe8a9722a87c05ccd495d58cfbe4629b29a17e1107c7
-
Filesize
141B
MD53e3303551337b75843d674672ff7c0cb
SHA1f7914342bbd33540c2ce9a173d084a96fcc299a7
SHA2564fac28e9d8fddbfd19a19197b1128406b5a4f7c3c5e9cb6a7c71d1e72b4b9fc6
SHA5124297cccceb1b787975f6546f8b40589ba9c4125101cc9fd7397650ea58e4ff0b749236aceec0dffbb086e75cb93f3d68fe39f0981669b7dc9cce71624da6dcb0
-
Filesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
-
Filesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
-
Filesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a