Analysis
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max time kernel
8s -
max time network
32s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 21:13
Static task
static1
Behavioral task
behavioral1
Sample
a6030d09b0ba93401fa4d613cb10b5e9ae91e386406eb940902d1dae2fd2b5bf.exe
Resource
win7-20221111-en
General
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Target
a6030d09b0ba93401fa4d613cb10b5e9ae91e386406eb940902d1dae2fd2b5bf.exe
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Size
931KB
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MD5
9cc28a1af186874681999d828fb02fa6
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SHA1
bda5e9b7af95ac77599f30bb799e21a22c646552
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SHA256
a6030d09b0ba93401fa4d613cb10b5e9ae91e386406eb940902d1dae2fd2b5bf
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SHA512
b3d2a9011d0db1e66feb7f2392f718656f7574aa33bdc8dd85c04dba7878e5517005183b63181771dbd5881b50a32980ed930fb3db1675ea7fdeb9a5fb4eb4bd
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SSDEEP
24576:h1OYdaOPCZ/iWCvu/2sWsJA/jlt+DHhsn:h1OsJCpYO/dJJDHhsn
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
k1rRj64ToOjTp3A.exepid process 2028 k1rRj64ToOjTp3A.exe -
Loads dropped DLL 1 IoCs
Processes:
a6030d09b0ba93401fa4d613cb10b5e9ae91e386406eb940902d1dae2fd2b5bf.exepid process 2044 a6030d09b0ba93401fa4d613cb10b5e9ae91e386406eb940902d1dae2fd2b5bf.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:
k1rRj64ToOjTp3A.exedescription ioc process File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\gfelnilekabfeiblidalbflkmhpjlabf\1.3\manifest.json k1rRj64ToOjTp3A.exe File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\gfelnilekabfeiblidalbflkmhpjlabf\1.3\manifest.json k1rRj64ToOjTp3A.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\gfelnilekabfeiblidalbflkmhpjlabf\1.3\manifest.json k1rRj64ToOjTp3A.exe -
Drops file in System32 directory 4 IoCs
Processes:
k1rRj64ToOjTp3A.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy k1rRj64ToOjTp3A.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini k1rRj64ToOjTp3A.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol k1rRj64ToOjTp3A.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI k1rRj64ToOjTp3A.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
k1rRj64ToOjTp3A.exepid process 2028 k1rRj64ToOjTp3A.exe 2028 k1rRj64ToOjTp3A.exe 2028 k1rRj64ToOjTp3A.exe 2028 k1rRj64ToOjTp3A.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
a6030d09b0ba93401fa4d613cb10b5e9ae91e386406eb940902d1dae2fd2b5bf.exedescription pid process target process PID 2044 wrote to memory of 2028 2044 a6030d09b0ba93401fa4d613cb10b5e9ae91e386406eb940902d1dae2fd2b5bf.exe k1rRj64ToOjTp3A.exe PID 2044 wrote to memory of 2028 2044 a6030d09b0ba93401fa4d613cb10b5e9ae91e386406eb940902d1dae2fd2b5bf.exe k1rRj64ToOjTp3A.exe PID 2044 wrote to memory of 2028 2044 a6030d09b0ba93401fa4d613cb10b5e9ae91e386406eb940902d1dae2fd2b5bf.exe k1rRj64ToOjTp3A.exe PID 2044 wrote to memory of 2028 2044 a6030d09b0ba93401fa4d613cb10b5e9ae91e386406eb940902d1dae2fd2b5bf.exe k1rRj64ToOjTp3A.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a6030d09b0ba93401fa4d613cb10b5e9ae91e386406eb940902d1dae2fd2b5bf.exe"C:\Users\Admin\AppData\Local\Temp\a6030d09b0ba93401fa4d613cb10b5e9ae91e386406eb940902d1dae2fd2b5bf.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Users\Admin\AppData\Local\Temp\7zS629B.tmp\k1rRj64ToOjTp3A.exe.\k1rRj64ToOjTp3A.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2028
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\7zS629B.tmp\[email protected]\bootstrap.js
Filesize2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zS629B.tmp\[email protected]\chrome.manifest
Filesize35B
MD5832ade561cd5f89cac19b4afb61e7a81
SHA1c0a43f663dffca1692f066b7a638d3a69201293e
SHA256d1d9e4db6a98e013d97acbe8702fcb60c363f70475214714a77f91a1f8f907fc
SHA512953e2d07c4b0d2e053569265db40e54078913c222d4c7037a9f161d51ced70c06a9fe8366bf653d61771a443e5eb9c55b103ad2e078a70ab00533c307e2b1744
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C:\Users\Admin\AppData\Local\Temp\7zS629B.tmp\[email protected]\content\bg.js
Filesize8KB
MD578c6b659e491adb3a4851eeddcd33748
SHA1abdd0397cfe568fe640e45a49fe6f2fcf7856b29
SHA256020502a00b51d9e68edc4e40db20a7a70b5d4dbfb96388ae86f97dea0c23ae3b
SHA512b12a2d90d68a23c43dd39932159833f430ce1bd522278a1cdd1acc033106a567719d1837ce4c39b8117083f764dfb8acfc05e7d062992ca99b8e0d0bfb8bd2ce
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C:\Users\Admin\AppData\Local\Temp\7zS629B.tmp\[email protected]\install.rdf
Filesize598B
MD5476d43a26fc9a94c86c9cb1526b7dd16
SHA180600cac76d65e37cf27a736d5e498391853b7fa
SHA256e3123867117b76d073a8167c244b5144bb041d85bde75829f31bca7e6bd443fd
SHA512344ec2edd19d996f0efb050197e5b25f4e5363a960644e5a58c0add7042f1287b0e98b83a0fe46194378fd8c55cfe22e6fd7424255f9a1437fbe0c4935bf5339
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Filesize
6KB
MD5c23d5f7aceb351eb55edfbd617954c95
SHA16736fb6bd2fdd5be90c923f7c88453e8bf74f26d
SHA256f9d17240a66e5a861e52c4422e9feec0653c8403cea4660397d8c120af396d89
SHA51262783f43f0d020c887048161f8e9b08699ac0e99b50566459b9965dd0af4d2de2e95f5b619212d588e105afd78942c45dba03aa995b8cb2f550ff707c564d132
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Filesize
142B
MD59744bc8610ddc3722c508dbc2f418a02
SHA1902b29ebf5267967eb0257b61bcdba1992ffabad
SHA256f76aabb07a06803ba22aa6e2a3b355557a480289dd65a1412f68dfd3dd3f3b9b
SHA512dcc06203412f907538afd886496bda80b9447652ac731a4ae84de43a9c74e8d7fe3cf61d81d190c16ee23096ce4ada7e007ca8187acc599300e0df0fe66946fc
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Filesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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Filesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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Filesize
498B
MD5664e2884e17f23553a19eee317642194
SHA1a28ccc088d6b6692646150f3e8f111e568723fb4
SHA256ee4ef853224cde2aa7e54351c02bc811af939202b82e19cbd1cc011fc3565191
SHA512b2cef8c4dfb6a0648f21c53393b982c9171d8a0344a94970c13866ebd2870de2cd99dab5984000b10802c54a748230104c7997c3d2cd3ac5e97c9355a4cb7ecb
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Filesize
1KB
MD5ce43444b3e61b92d0ae469232edebcbc
SHA19a4c1ac967daefba89788f14514c222afba98c75
SHA2569d6b4fbbb8d70c86b3c1a49155a5ebe41289f1dff6c9c582290958601051354b
SHA5125d4029e2ae036f2bdf46249e72cfae08fd86c8b8c5e1e9b516f091d06945e01b0bd9a890c289ca1fd2535bc9ef4302a63eb2a65a3f104693359e12e3cf878629
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Filesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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Filesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db