Analysis
-
max time kernel
146s -
max time network
152s -
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 19:30
Static task
static1
Behavioral task
behavioral1
Sample
c665fa446b2a9c6ed7386339c3619bc3770969d13258457126dae591ac4acabf.exe
Resource
win7-20221111-en
General
-
Target
c665fa446b2a9c6ed7386339c3619bc3770969d13258457126dae591ac4acabf.exe
-
Size
931KB
-
MD5
4eabb210765036c2d32f9921168d6351
-
SHA1
ad75235ad206168777d607bf5fe3e19e4a44589e
-
SHA256
c665fa446b2a9c6ed7386339c3619bc3770969d13258457126dae591ac4acabf
-
SHA512
622b34c3eb137b19e2f26e7fbe28adb062f4027d5767d51da8428d586d94226994d64a56dde7b90426395432879adbb09a5c0b2f420df096f09ef110f4006b5d
-
SSDEEP
24576:h1OYdaOYCZ/iWCvu/2sWsJA/jlt+DHhss:h1OsCCpYO/dJJDHhss
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
R3HnJwxrKiKB8Ua.exepid process 4588 R3HnJwxrKiKB8Ua.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:
R3HnJwxrKiKB8Ua.exedescription ioc process File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\pmmfgakbbbdljihhcahecbfpclfeaiom\2.0\manifest.json R3HnJwxrKiKB8Ua.exe File created C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\pmmfgakbbbdljihhcahecbfpclfeaiom\2.0\manifest.json R3HnJwxrKiKB8Ua.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\pmmfgakbbbdljihhcahecbfpclfeaiom\2.0\manifest.json R3HnJwxrKiKB8Ua.exe File created C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\pmmfgakbbbdljihhcahecbfpclfeaiom\2.0\manifest.json R3HnJwxrKiKB8Ua.exe File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\pmmfgakbbbdljihhcahecbfpclfeaiom\2.0\manifest.json R3HnJwxrKiKB8Ua.exe -
Drops file in System32 directory 4 IoCs
Processes:
R3HnJwxrKiKB8Ua.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy R3HnJwxrKiKB8Ua.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini R3HnJwxrKiKB8Ua.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol R3HnJwxrKiKB8Ua.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI R3HnJwxrKiKB8Ua.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
R3HnJwxrKiKB8Ua.exepid process 4588 R3HnJwxrKiKB8Ua.exe 4588 R3HnJwxrKiKB8Ua.exe 4588 R3HnJwxrKiKB8Ua.exe 4588 R3HnJwxrKiKB8Ua.exe 4588 R3HnJwxrKiKB8Ua.exe 4588 R3HnJwxrKiKB8Ua.exe 4588 R3HnJwxrKiKB8Ua.exe 4588 R3HnJwxrKiKB8Ua.exe 4588 R3HnJwxrKiKB8Ua.exe 4588 R3HnJwxrKiKB8Ua.exe 4588 R3HnJwxrKiKB8Ua.exe 4588 R3HnJwxrKiKB8Ua.exe 4588 R3HnJwxrKiKB8Ua.exe 4588 R3HnJwxrKiKB8Ua.exe 4588 R3HnJwxrKiKB8Ua.exe 4588 R3HnJwxrKiKB8Ua.exe 4588 R3HnJwxrKiKB8Ua.exe 4588 R3HnJwxrKiKB8Ua.exe 4588 R3HnJwxrKiKB8Ua.exe 4588 R3HnJwxrKiKB8Ua.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
R3HnJwxrKiKB8Ua.exedescription pid process Token: SeDebugPrivilege 4588 R3HnJwxrKiKB8Ua.exe Token: SeDebugPrivilege 4588 R3HnJwxrKiKB8Ua.exe Token: SeDebugPrivilege 4588 R3HnJwxrKiKB8Ua.exe Token: SeDebugPrivilege 4588 R3HnJwxrKiKB8Ua.exe Token: SeDebugPrivilege 4588 R3HnJwxrKiKB8Ua.exe Token: SeDebugPrivilege 4588 R3HnJwxrKiKB8Ua.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
c665fa446b2a9c6ed7386339c3619bc3770969d13258457126dae591ac4acabf.exedescription pid process target process PID 4664 wrote to memory of 4588 4664 c665fa446b2a9c6ed7386339c3619bc3770969d13258457126dae591ac4acabf.exe R3HnJwxrKiKB8Ua.exe PID 4664 wrote to memory of 4588 4664 c665fa446b2a9c6ed7386339c3619bc3770969d13258457126dae591ac4acabf.exe R3HnJwxrKiKB8Ua.exe PID 4664 wrote to memory of 4588 4664 c665fa446b2a9c6ed7386339c3619bc3770969d13258457126dae591ac4acabf.exe R3HnJwxrKiKB8Ua.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\c665fa446b2a9c6ed7386339c3619bc3770969d13258457126dae591ac4acabf.exe"C:\Users\Admin\AppData\Local\Temp\c665fa446b2a9c6ed7386339c3619bc3770969d13258457126dae591ac4acabf.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\7zS67D7.tmp\R3HnJwxrKiKB8Ua.exe.\R3HnJwxrKiKB8Ua.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\7zS67D7.tmp\KcM@a.edu\bootstrap.jsFilesize
2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
-
C:\Users\Admin\AppData\Local\Temp\7zS67D7.tmp\KcM@a.edu\chrome.manifestFilesize
35B
MD58f978430fca9f826ebf9d1cd04a22550
SHA1035c42978657328983dd0230c1e2b945c6752f74
SHA256b80e02873e33b2288e9e31c2a969078816d96120648b3d93415d6932ed7409b4
SHA512bc2ac34f2b6e892919a6962d6c9b042fc1885e487b2d7fe7d983115508f8c60fbe7f3cc35d6d97808216e0ae9c8b1cc73cd3ea816d8ebbc7464f212bd5651ad5
-
C:\Users\Admin\AppData\Local\Temp\7zS67D7.tmp\KcM@a.edu\content\bg.jsFilesize
8KB
MD560a7fa1cace5a2c5763a4e714c6521a7
SHA16383fa058733e955b2a5368370b022bcb0d87d8f
SHA256c383c7bc9946dc2216ace079608381e32439425d3c301bd5bc3df0abde0a4ca7
SHA51298977122a2956917fc57c7de77d2743174a9afab6684a259038db138a1726703a1392fb7cc87aa6c2e82407a28f56e9de1cfe91efddd3ac77f133f0c05c9a693
-
C:\Users\Admin\AppData\Local\Temp\7zS67D7.tmp\KcM@a.edu\install.rdfFilesize
591B
MD597309ea98f3b6776125b31ff2c7c2503
SHA119e53e95b9e8eee4db38330d83a4143804942d4b
SHA2569c030e53486e2e9773d5c0ec8a56eaab092a6d3e595b3218bc42ed2d85fc9255
SHA51277f077a31b0ce93fa85538c881ddb634328d54d2253d5e39567fc6e37a42ed46f13b046812c2ae96739def8812129cc561929b64dee95e870d0ac939c8b6463d
-
C:\Users\Admin\AppData\Local\Temp\7zS67D7.tmp\R3HnJwxrKiKB8Ua.datFilesize
1KB
MD588faba2bc9e87de1a397becb00e16ebc
SHA1a6ae26d4935aa7cd9dd87cb077c496ee1ad0ee4e
SHA256ed99b19f45fabb09781fcf764d54d657c8cc19ea6512e468156c82594c22c3d8
SHA512f0ce8a736e46a22d64f407bdeaa585e2a79c43f3c81dd967e796a79fa4b794cfb3163758e0074839f754ecda89c3662d0de3ac3b5b418b8eb66b8e72a552811c
-
C:\Users\Admin\AppData\Local\Temp\7zS67D7.tmp\R3HnJwxrKiKB8Ua.exeFilesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
-
C:\Users\Admin\AppData\Local\Temp\7zS67D7.tmp\R3HnJwxrKiKB8Ua.exeFilesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
-
C:\Users\Admin\AppData\Local\Temp\7zS67D7.tmp\pmmfgakbbbdljihhcahecbfpclfeaiom\background.htmlFilesize
143B
MD5eabc01b53e3c52a2954d27ca581f4ec4
SHA16b516785b3663a513892ea152c2d641eff1a7271
SHA256edfd1f34e455047b43bb18a2894ab27ea88e05d9d29c9e7494e99e3b3d3b3a89
SHA5124babb45b0c78edd8f30408c1ca985fa9625b4ac51f6f0c37b7b5938f059d8cb51129a771fe7c01cc64c286cc984c24f3554c4cde86e60bb1d20746b749360b59
-
C:\Users\Admin\AppData\Local\Temp\7zS67D7.tmp\pmmfgakbbbdljihhcahecbfpclfeaiom\content.jsFilesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
-
C:\Users\Admin\AppData\Local\Temp\7zS67D7.tmp\pmmfgakbbbdljihhcahecbfpclfeaiom\cxFZtb.jsFilesize
6KB
MD53bf478688e361d2bdf2d6ed08a797925
SHA106689b7b0c95ef7bc837617e93f48dc508ee5e87
SHA256bbda4cde6861bb80704213438c6128997e51f3fe03226d5e6f09633e0ce63dd5
SHA51241430429db402f7940eaf0d2be204ff315d08570b16aa1d7319cee0653cb22f3bfeb6615aa77c5d0e67dfb736af71ee5a755e4bf6c05f06bbd9b8002cda51d6c
-
C:\Users\Admin\AppData\Local\Temp\7zS67D7.tmp\pmmfgakbbbdljihhcahecbfpclfeaiom\lsdb.jsFilesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
-
C:\Users\Admin\AppData\Local\Temp\7zS67D7.tmp\pmmfgakbbbdljihhcahecbfpclfeaiom\manifest.jsonFilesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a
-
memory/4588-132-0x0000000000000000-mapping.dmp