Analysis
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max time kernel
43s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 19:41
Static task
static1
Behavioral task
behavioral1
Sample
c2ed5c2b732ccd0378cff9682d7ef9ace102ee1ccb9b6bf3a633e64b8bbfbd18.exe
Resource
win7-20220901-en
General
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Target
c2ed5c2b732ccd0378cff9682d7ef9ace102ee1ccb9b6bf3a633e64b8bbfbd18.exe
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Size
931KB
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MD5
a3fb6aa858f2107e218dac3b22656000
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SHA1
99f2125c0637cfe1cab132af57a33572860956a4
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SHA256
c2ed5c2b732ccd0378cff9682d7ef9ace102ee1ccb9b6bf3a633e64b8bbfbd18
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SHA512
cffb59cab631cac104c57225acccb85c77ec9cb075883bb32d904d39d441f7b2023ef0d6375579671d30b36409bd0082afcb8037db9586f42b29067d04f79fd7
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SSDEEP
24576:h1OYdaOGCZ/iWCvu/2sWsJA/jlt+DHhsq:h1OsYCpYO/dJJDHhsq
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
TCoZYWpWswBkxZc.exepid process 2032 TCoZYWpWswBkxZc.exe -
Loads dropped DLL 1 IoCs
Processes:
c2ed5c2b732ccd0378cff9682d7ef9ace102ee1ccb9b6bf3a633e64b8bbfbd18.exepid process 1228 c2ed5c2b732ccd0378cff9682d7ef9ace102ee1ccb9b6bf3a633e64b8bbfbd18.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:
TCoZYWpWswBkxZc.exedescription ioc process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\piokelljclmdaegaefnphojebamploef\2.0\manifest.json TCoZYWpWswBkxZc.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\piokelljclmdaegaefnphojebamploef\2.0\manifest.json TCoZYWpWswBkxZc.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\piokelljclmdaegaefnphojebamploef\2.0\manifest.json TCoZYWpWswBkxZc.exe -
Drops file in System32 directory 4 IoCs
Processes:
TCoZYWpWswBkxZc.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy TCoZYWpWswBkxZc.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini TCoZYWpWswBkxZc.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol TCoZYWpWswBkxZc.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI TCoZYWpWswBkxZc.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
TCoZYWpWswBkxZc.exepid process 2032 TCoZYWpWswBkxZc.exe 2032 TCoZYWpWswBkxZc.exe 2032 TCoZYWpWswBkxZc.exe 2032 TCoZYWpWswBkxZc.exe 2032 TCoZYWpWswBkxZc.exe 2032 TCoZYWpWswBkxZc.exe 2032 TCoZYWpWswBkxZc.exe 2032 TCoZYWpWswBkxZc.exe 2032 TCoZYWpWswBkxZc.exe 2032 TCoZYWpWswBkxZc.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
TCoZYWpWswBkxZc.exedescription pid process Token: SeDebugPrivilege 2032 TCoZYWpWswBkxZc.exe Token: SeDebugPrivilege 2032 TCoZYWpWswBkxZc.exe Token: SeDebugPrivilege 2032 TCoZYWpWswBkxZc.exe Token: SeDebugPrivilege 2032 TCoZYWpWswBkxZc.exe Token: SeDebugPrivilege 2032 TCoZYWpWswBkxZc.exe Token: SeDebugPrivilege 2032 TCoZYWpWswBkxZc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
c2ed5c2b732ccd0378cff9682d7ef9ace102ee1ccb9b6bf3a633e64b8bbfbd18.exedescription pid process target process PID 1228 wrote to memory of 2032 1228 c2ed5c2b732ccd0378cff9682d7ef9ace102ee1ccb9b6bf3a633e64b8bbfbd18.exe TCoZYWpWswBkxZc.exe PID 1228 wrote to memory of 2032 1228 c2ed5c2b732ccd0378cff9682d7ef9ace102ee1ccb9b6bf3a633e64b8bbfbd18.exe TCoZYWpWswBkxZc.exe PID 1228 wrote to memory of 2032 1228 c2ed5c2b732ccd0378cff9682d7ef9ace102ee1ccb9b6bf3a633e64b8bbfbd18.exe TCoZYWpWswBkxZc.exe PID 1228 wrote to memory of 2032 1228 c2ed5c2b732ccd0378cff9682d7ef9ace102ee1ccb9b6bf3a633e64b8bbfbd18.exe TCoZYWpWswBkxZc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c2ed5c2b732ccd0378cff9682d7ef9ace102ee1ccb9b6bf3a633e64b8bbfbd18.exe"C:\Users\Admin\AppData\Local\Temp\c2ed5c2b732ccd0378cff9682d7ef9ace102ee1ccb9b6bf3a633e64b8bbfbd18.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7zS252E.tmp\TCoZYWpWswBkxZc.exe.\TCoZYWpWswBkxZc.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\7zS252E.tmp\GmJhk@gQ.edu\bootstrap.jsFilesize
2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zS252E.tmp\GmJhk@gQ.edu\chrome.manifestFilesize
35B
MD58d3460f7530ef49b381d96394d2689fb
SHA1ecd18b6899e8066b97e39b9ca6de007003358b31
SHA2567d068ebb88951c1f51719c49a3a884c4d497b1bb263f7e509441eab6d0ae4051
SHA5124d53d609c0639117ac7d3ab985e5169856c4c361f718e13640f777c32d6d3f87419a3a7b48ccf07a086293f7577a5bd67466caf6ebfd01cab5124a0ab5a1799a
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C:\Users\Admin\AppData\Local\Temp\7zS252E.tmp\GmJhk@gQ.edu\content\bg.jsFilesize
8KB
MD51abc59c76c9d363c21789219c70d7ef1
SHA1b30fbfbc6b86212d54588942e10f659d84f6b0b8
SHA256862175e9dde082043652f80cb99345c802bb420cd2fd97a53b1f66dabdd98c28
SHA5127870c861f76d312025ae842086f0c3db68d2e6da95f4103ed75b5113e30bfbc3e012bae16aa7246cd59d1e4637b097211ce4602a181a4101b9c04b96d166ca30
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C:\Users\Admin\AppData\Local\Temp\7zS252E.tmp\GmJhk@gQ.edu\install.rdfFilesize
594B
MD5bf41f9953cdf409b8b838cb893e3e91d
SHA193468a01f50188ffb0c306ec8673c9148e113b2c
SHA2567b9a7c9815ecad9b0cc4e71575b2cb3fd4fc507338264852df123ad23acf323e
SHA51230ce0606f5f07f2c6e5bdf1e76f745e0d053df18b0d99af5932794d4e60ce9abd1ed9203afbc62c650c260a11873591313cd6d7197e468cc186b0eea3d88914a
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C:\Users\Admin\AppData\Local\Temp\7zS252E.tmp\TCoZYWpWswBkxZc.datFilesize
1KB
MD5de4f8c48f0048ca2015c7daf51fa53b8
SHA1bdd20cc42ae06ad2cae7c2c19b665f4c6b414b94
SHA2568b49678797c997bdedb23fbea0373e9a3b579b7c99ad2f93c74c0a3fa39a66aa
SHA5124c66162696f88d32a9b85b0347b4de9b7606bd180a2e9f0c846fe27a08e8d85789b06bc816a8bb6d130e7bcf0f7e7bd4cb2f5fbf24a0112378195a1c90ca27f2
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C:\Users\Admin\AppData\Local\Temp\7zS252E.tmp\TCoZYWpWswBkxZc.exeFilesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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C:\Users\Admin\AppData\Local\Temp\7zS252E.tmp\piokelljclmdaegaefnphojebamploef\background.htmlFilesize
142B
MD5d7958cfee4cd1740263ca3e3408fea11
SHA176438e2bfce227764175d8ef1253ef6c7efcbf33
SHA256f937a1fc84db7e8d8e94412dbfd88a6141d605fe46fd7087d4570aa0ee4f2082
SHA5123166c95ac594dc1757e17e65eada66abf634bc4eaee169ee2fc9eeee8f3eb11786b75dc79fdf7792ee0760873ef0642928b14d2785eae56aa3bf2332bc9b68c5
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C:\Users\Admin\AppData\Local\Temp\7zS252E.tmp\piokelljclmdaegaefnphojebamploef\content.jsFilesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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C:\Users\Admin\AppData\Local\Temp\7zS252E.tmp\piokelljclmdaegaefnphojebamploef\gwiks.jsFilesize
6KB
MD56c3d9b9471ae01b1a08e3b2ff8da4571
SHA1a4b5dc82203876fe36752f3e27882e5556188365
SHA25668fa83c7f50202a048d7976ada83b93c6e2b31f5914cf6882d6cc22eb1f1f3f8
SHA5129904f12432bbd01b69f937e4decf1efd5121c761721782806d429f5843f787483138d57b14c1a0d9adcc6596b28e74444965735552a01988915ea42aaf6869d6
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C:\Users\Admin\AppData\Local\Temp\7zS252E.tmp\piokelljclmdaegaefnphojebamploef\lsdb.jsFilesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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C:\Users\Admin\AppData\Local\Temp\7zS252E.tmp\piokelljclmdaegaefnphojebamploef\manifest.jsonFilesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a
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\Users\Admin\AppData\Local\Temp\7zS252E.tmp\TCoZYWpWswBkxZc.exeFilesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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memory/1228-54-0x0000000075A11000-0x0000000075A13000-memory.dmpFilesize
8KB
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memory/2032-56-0x0000000000000000-mapping.dmp