Analysis
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max time kernel
130s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2022 19:37
Static task
static1
Behavioral task
behavioral1
Sample
c3edfc997e888f2004bc62198e37e1169728c36f2c311b07dd877327e62a1f11.exe
Resource
win7-20221111-en
General
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Target
c3edfc997e888f2004bc62198e37e1169728c36f2c311b07dd877327e62a1f11.exe
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Size
920KB
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MD5
f5f068de512b8c18a26fcb8f18ee5614
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SHA1
12c1c50c8fa99ab9c9ea617f101a2736fcc060d7
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SHA256
c3edfc997e888f2004bc62198e37e1169728c36f2c311b07dd877327e62a1f11
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SHA512
cb48fb4aca03554bf7f71e584dcb833e1553c7d55fed2289ca5d4d7ad508c8bdaa006ad315342b89af6c954873c7b53941a8ce4dad8d92e39dffdd1885f137f1
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SSDEEP
24576:h1OYdaOAMtdHAqcdDVhYwiei7+EpFAh/kKp:h1OsdPHVmVhYwiLtKkKp
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
KK5xloBeYWJrmSm.exepid process 3260 KK5xloBeYWJrmSm.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 5 IoCs
Processes:
KK5xloBeYWJrmSm.exedescription ioc process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\oiocnkegijpbhokboaejionlkjjodpgj\2.0\manifest.json KK5xloBeYWJrmSm.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\oiocnkegijpbhokboaejionlkjjodpgj\2.0\manifest.json KK5xloBeYWJrmSm.exe File created C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\oiocnkegijpbhokboaejionlkjjodpgj\2.0\manifest.json KK5xloBeYWJrmSm.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\oiocnkegijpbhokboaejionlkjjodpgj\2.0\manifest.json KK5xloBeYWJrmSm.exe File created C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\oiocnkegijpbhokboaejionlkjjodpgj\2.0\manifest.json KK5xloBeYWJrmSm.exe -
Drops file in System32 directory 4 IoCs
Processes:
KK5xloBeYWJrmSm.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy KK5xloBeYWJrmSm.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini KK5xloBeYWJrmSm.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol KK5xloBeYWJrmSm.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI KK5xloBeYWJrmSm.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
KK5xloBeYWJrmSm.exepid process 3260 KK5xloBeYWJrmSm.exe 3260 KK5xloBeYWJrmSm.exe 3260 KK5xloBeYWJrmSm.exe 3260 KK5xloBeYWJrmSm.exe 3260 KK5xloBeYWJrmSm.exe 3260 KK5xloBeYWJrmSm.exe 3260 KK5xloBeYWJrmSm.exe 3260 KK5xloBeYWJrmSm.exe 3260 KK5xloBeYWJrmSm.exe 3260 KK5xloBeYWJrmSm.exe 3260 KK5xloBeYWJrmSm.exe 3260 KK5xloBeYWJrmSm.exe 3260 KK5xloBeYWJrmSm.exe 3260 KK5xloBeYWJrmSm.exe 3260 KK5xloBeYWJrmSm.exe 3260 KK5xloBeYWJrmSm.exe 3260 KK5xloBeYWJrmSm.exe 3260 KK5xloBeYWJrmSm.exe 3260 KK5xloBeYWJrmSm.exe 3260 KK5xloBeYWJrmSm.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
KK5xloBeYWJrmSm.exedescription pid process Token: SeDebugPrivilege 3260 KK5xloBeYWJrmSm.exe Token: SeDebugPrivilege 3260 KK5xloBeYWJrmSm.exe Token: SeDebugPrivilege 3260 KK5xloBeYWJrmSm.exe Token: SeDebugPrivilege 3260 KK5xloBeYWJrmSm.exe Token: SeDebugPrivilege 3260 KK5xloBeYWJrmSm.exe Token: SeDebugPrivilege 3260 KK5xloBeYWJrmSm.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
c3edfc997e888f2004bc62198e37e1169728c36f2c311b07dd877327e62a1f11.exedescription pid process target process PID 4512 wrote to memory of 3260 4512 c3edfc997e888f2004bc62198e37e1169728c36f2c311b07dd877327e62a1f11.exe KK5xloBeYWJrmSm.exe PID 4512 wrote to memory of 3260 4512 c3edfc997e888f2004bc62198e37e1169728c36f2c311b07dd877327e62a1f11.exe KK5xloBeYWJrmSm.exe PID 4512 wrote to memory of 3260 4512 c3edfc997e888f2004bc62198e37e1169728c36f2c311b07dd877327e62a1f11.exe KK5xloBeYWJrmSm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c3edfc997e888f2004bc62198e37e1169728c36f2c311b07dd877327e62a1f11.exe"C:\Users\Admin\AppData\Local\Temp\c3edfc997e888f2004bc62198e37e1169728c36f2c311b07dd877327e62a1f11.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4512 -
C:\Users\Admin\AppData\Local\Temp\7zSF92A.tmp\KK5xloBeYWJrmSm.exe.\KK5xloBeYWJrmSm.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3260
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:4048
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:4884
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\7zSF92A.tmp\[email protected]\bootstrap.jsFilesize
2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zSF92A.tmp\[email protected]\chrome.manifestFilesize
35B
MD519b2e4fed5440473f8bc2c7a0d627ca1
SHA1c5cb81c445137d1f0cd93d1a8e62efa7bde0953e
SHA256edc8468208ae663d35245b0ec985c351962f359f053c179662814d4182c4af12
SHA512fb18a25bf56d3e14a93efceee64247d1a68e89cbfc2c1bebe8131f78d9aab84d409f877d165fb922905e1d3989b6150455f29951047a0b5a7850c67f6a4a94ab
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C:\Users\Admin\AppData\Local\Temp\7zSF92A.tmp\[email protected]\content\bg.jsFilesize
8KB
MD5e054f9bb4563fbe2bf3e29913918d959
SHA15f8e98869aa256f46b5d926141c4d4e1df345da3
SHA2568364c8aac30c9919f93d66b74ed7b6f5588d8ed9113521b6d882f5633d52e13e
SHA5127ae6a650bdfdd6ed61605322dfcd1dcce979c9449a26da44a536e1d87e6306d2ad841901d55c63364e1cf5ea773bed407a42ea6413179e7c8d633d6b74c0d6c9
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C:\Users\Admin\AppData\Local\Temp\7zSF92A.tmp\[email protected]\install.rdfFilesize
592B
MD5bc31e9ee0657f0ea1a91c4b7df097a52
SHA1bd2f2236db9fb12ea41f9fabf3028372dd92c66f
SHA256328aeefdef5420cdfdc4ad43089b4e625634cb28d67c32dbeff3c049ce5c5c31
SHA51275e11c3b7004bb62ae002d9951e4e8d71015913800bdc6db6a824f6550e4a8e13bd7d873f25a99a212ba164933cd5c8ca4409bacfd6e9fd55e0162241c418404
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C:\Users\Admin\AppData\Local\Temp\7zSF92A.tmp\KK5xloBeYWJrmSm.datFilesize
1KB
MD5e084fb1710f44ce8acfa8961966bf0d6
SHA17fd5fa8aa6397b7e1b5ec332d6ccf77631a20119
SHA25605dc68dc3ff0e0889ba735a082e71dea406381d30f3e76fa7293265cb983267c
SHA512f2ef8cf7d5f8e6eb56e88f1d6f2a64a14a5e620ef2c20d6c018e096dff424dcfeb3ac2b7517a07bd41b3f39d7ec51b42122e12c9135d4fd2a4e952eaca7e5d5c
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C:\Users\Admin\AppData\Local\Temp\7zSF92A.tmp\KK5xloBeYWJrmSm.exeFilesize
760KB
MD5dcd148f6f3af3e3b0935c4fcc9f41811
SHA1ee9bdbc7c568c7832d90b85921ab20030b6734cd
SHA256f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4
SHA51234be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886
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C:\Users\Admin\AppData\Local\Temp\7zSF92A.tmp\KK5xloBeYWJrmSm.exeFilesize
760KB
MD5dcd148f6f3af3e3b0935c4fcc9f41811
SHA1ee9bdbc7c568c7832d90b85921ab20030b6734cd
SHA256f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4
SHA51234be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886
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C:\Users\Admin\AppData\Local\Temp\7zSF92A.tmp\oiocnkegijpbhokboaejionlkjjodpgj\Yf.jsFilesize
6KB
MD5fd7857a57a85789ee8d0a1b58cfe9f57
SHA1102be5eb84f71bb1400015b5821ec382aa17abb9
SHA2563c458df5e3608ff6f627cf76cc8119e91feb7c4eb5c674de615194afe8addc09
SHA512ef8331fe8e2bbdae25985fa1deeb3252501531b08d3e095267e68bb1fc24a6c10a82b27584542370deafc40d632fd77f0611334703168d5905c19159084879b0
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C:\Users\Admin\AppData\Local\Temp\7zSF92A.tmp\oiocnkegijpbhokboaejionlkjjodpgj\background.htmlFilesize
139B
MD516279e88c4ad3f6137e89e3d504396ff
SHA15d04cb873f34cee3c1d05e962135e416b7727b5e
SHA256d563261a9d6754c83a69b6168b9dffec8b2b4ad611e5b0bda31ab67048fe5cfa
SHA5122ba9e5fbca800611eed8b252e4fd8065964cbd7700aba4ae9e4429075e9e91a5bf093b0a8624acd70b5e03fb3ef61dcc6f18424aab59c91bd8fde4558b1fd19a
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C:\Users\Admin\AppData\Local\Temp\7zSF92A.tmp\oiocnkegijpbhokboaejionlkjjodpgj\content.jsFilesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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C:\Users\Admin\AppData\Local\Temp\7zSF92A.tmp\oiocnkegijpbhokboaejionlkjjodpgj\lsdb.jsFilesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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C:\Users\Admin\AppData\Local\Temp\7zSF92A.tmp\oiocnkegijpbhokboaejionlkjjodpgj\manifest.jsonFilesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a
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memory/3260-132-0x0000000000000000-mapping.dmp