Analysis
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max time kernel
47s -
max time network
51s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 21:08
Static task
static1
Behavioral task
behavioral1
Sample
a7a36552acee8be0bb07d23b42d4541092fabd0f34e4d4c73765cda431ba18ea.exe
Resource
win7-20220901-en
General
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Target
a7a36552acee8be0bb07d23b42d4541092fabd0f34e4d4c73765cda431ba18ea.exe
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Size
931KB
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MD5
be1d729e901cf7609cc7199b3e14ecc1
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SHA1
298125a233b355285694a0cd9950cdd7936fa597
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SHA256
a7a36552acee8be0bb07d23b42d4541092fabd0f34e4d4c73765cda431ba18ea
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SHA512
7d73ad79b1ff3f304fe92486224be15b3e6944371ef2c0666259b983d25014a04dc99c6628bff9e2a591f740edf2ea896ad6d0818a83307ef7cb8b9484366b39
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SSDEEP
24576:h1OYdaOYCZ/iWCvu/2sWsJA/jlt+DHhsm:h1OsyCpYO/dJJDHhsm
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
LkjiRkiMJiEahA2.exepid process 1228 LkjiRkiMJiEahA2.exe -
Loads dropped DLL 1 IoCs
Processes:
a7a36552acee8be0bb07d23b42d4541092fabd0f34e4d4c73765cda431ba18ea.exepid process 1204 a7a36552acee8be0bb07d23b42d4541092fabd0f34e4d4c73765cda431ba18ea.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:
LkjiRkiMJiEahA2.exedescription ioc process File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\icdlleaiebjpeafeolocfgafcoagfinm\2.0\manifest.json LkjiRkiMJiEahA2.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\icdlleaiebjpeafeolocfgafcoagfinm\2.0\manifest.json LkjiRkiMJiEahA2.exe File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\icdlleaiebjpeafeolocfgafcoagfinm\2.0\manifest.json LkjiRkiMJiEahA2.exe -
Drops file in System32 directory 4 IoCs
Processes:
LkjiRkiMJiEahA2.exedescription ioc process File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini LkjiRkiMJiEahA2.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol LkjiRkiMJiEahA2.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI LkjiRkiMJiEahA2.exe File opened for modification C:\Windows\System32\GroupPolicy LkjiRkiMJiEahA2.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
LkjiRkiMJiEahA2.exepid process 1228 LkjiRkiMJiEahA2.exe 1228 LkjiRkiMJiEahA2.exe 1228 LkjiRkiMJiEahA2.exe 1228 LkjiRkiMJiEahA2.exe 1228 LkjiRkiMJiEahA2.exe 1228 LkjiRkiMJiEahA2.exe 1228 LkjiRkiMJiEahA2.exe 1228 LkjiRkiMJiEahA2.exe 1228 LkjiRkiMJiEahA2.exe 1228 LkjiRkiMJiEahA2.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
LkjiRkiMJiEahA2.exedescription pid process Token: SeDebugPrivilege 1228 LkjiRkiMJiEahA2.exe Token: SeDebugPrivilege 1228 LkjiRkiMJiEahA2.exe Token: SeDebugPrivilege 1228 LkjiRkiMJiEahA2.exe Token: SeDebugPrivilege 1228 LkjiRkiMJiEahA2.exe Token: SeDebugPrivilege 1228 LkjiRkiMJiEahA2.exe Token: SeDebugPrivilege 1228 LkjiRkiMJiEahA2.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
a7a36552acee8be0bb07d23b42d4541092fabd0f34e4d4c73765cda431ba18ea.exedescription pid process target process PID 1204 wrote to memory of 1228 1204 a7a36552acee8be0bb07d23b42d4541092fabd0f34e4d4c73765cda431ba18ea.exe LkjiRkiMJiEahA2.exe PID 1204 wrote to memory of 1228 1204 a7a36552acee8be0bb07d23b42d4541092fabd0f34e4d4c73765cda431ba18ea.exe LkjiRkiMJiEahA2.exe PID 1204 wrote to memory of 1228 1204 a7a36552acee8be0bb07d23b42d4541092fabd0f34e4d4c73765cda431ba18ea.exe LkjiRkiMJiEahA2.exe PID 1204 wrote to memory of 1228 1204 a7a36552acee8be0bb07d23b42d4541092fabd0f34e4d4c73765cda431ba18ea.exe LkjiRkiMJiEahA2.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a7a36552acee8be0bb07d23b42d4541092fabd0f34e4d4c73765cda431ba18ea.exe"C:\Users\Admin\AppData\Local\Temp\a7a36552acee8be0bb07d23b42d4541092fabd0f34e4d4c73765cda431ba18ea.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7zS255D.tmp\LkjiRkiMJiEahA2.exe.\LkjiRkiMJiEahA2.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\7zS255D.tmp\LkjiRkiMJiEahA2.datFilesize
1KB
MD552514756fd2358e0ffd2de72b30322a9
SHA16dafb608fc66e21ee9d9ef429b33954ead024dc1
SHA256f7da17c176d4f76f8e1c44ddd3aaa3c9dd31b70ca1c8f2b9f93009245bff19ff
SHA512fd540328f536a7175b9f72bdf0f9fce65c0ab39463ed29bbc600859028b3f7f6192c8925663052bc862feaecb41646d0ee9d52abaeacc77b4e0afe8417556672
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C:\Users\Admin\AppData\Local\Temp\7zS255D.tmp\LkjiRkiMJiEahA2.exeFilesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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C:\Users\Admin\AppData\Local\Temp\7zS255D.tmp\icdlleaiebjpeafeolocfgafcoagfinm\ArVz83q.jsFilesize
6KB
MD517b897eec66405de708a4a513643820e
SHA169414f997566611c37196cbe5147217c13c3aa42
SHA256809bfe841b78f0fb7ef4955d67426b0beaad41e4cc331707d77eec31619ed997
SHA512e423c6ab80fe8d3bdab909ccaf8106a60512fa4fb2baa19790e13eeb50f8eb076d2efb6a8eac12761df0e0c278330afe9c2958d53f0826ee4ea17d2e741f3523
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C:\Users\Admin\AppData\Local\Temp\7zS255D.tmp\icdlleaiebjpeafeolocfgafcoagfinm\background.htmlFilesize
144B
MD5dd03505b620ae49f823aff1fbeebaa87
SHA1121cd4a96e376bc3c08c8168390055702143cc32
SHA2563190ce205c1430f3443b62c6b62ea5c5871d21ac8fb31f9500290da6cce81517
SHA512785d51b68ec40f00a9ed3fcdf35d35688334688823e12c0a6ad1a2b1cd593b484422e9ca487a46396f6f294ea132d5d192e9ed22769c6d99b6af500386d4d9ba
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C:\Users\Admin\AppData\Local\Temp\7zS255D.tmp\icdlleaiebjpeafeolocfgafcoagfinm\content.jsFilesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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C:\Users\Admin\AppData\Local\Temp\7zS255D.tmp\icdlleaiebjpeafeolocfgafcoagfinm\lsdb.jsFilesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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C:\Users\Admin\AppData\Local\Temp\7zS255D.tmp\icdlleaiebjpeafeolocfgafcoagfinm\manifest.jsonFilesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a
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C:\Users\Admin\AppData\Local\Temp\7zS255D.tmp\[email protected]\bootstrap.jsFilesize
2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zS255D.tmp\[email protected]\chrome.manifestFilesize
35B
MD5648207a469f8e28cb6822b429b76500b
SHA18cbb94d473421e32ade6dcd1748379f1bfb7edf9
SHA2568cb48352a9fc2291da9ae38d81c5ea7cd7099ed57260b5d05b64876a757daae4
SHA512137a98c06aae30ade22915dbf417b24d654d93d13f812f0b85f3de45aa8b81538b2e74e6eb7501a6a188d8c9b7460c8ca1d2d726a0231326e0173036bb42b7e7
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C:\Users\Admin\AppData\Local\Temp\7zS255D.tmp\[email protected]\content\bg.jsFilesize
8KB
MD53937a525b50107bb3d12ccaf4044ae8a
SHA18e127bd33aeaf1832c5663768c2923fa7bc8addd
SHA256029a5fec2215eca7dae604d75927d72206daf2cef00051707923a83ff06b3f42
SHA5127ad939dc66808d50e2fee3bcc6db386a9bcbb65ee6a03b35b699efe65afb6438692a9833c7684a9ef00160cc846b0563d34c586bb20c93ae3caf1b8a263fe9ef
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C:\Users\Admin\AppData\Local\Temp\7zS255D.tmp\[email protected]\install.rdfFilesize
599B
MD57243485dd4ee66db79acff3e62755f5d
SHA1db27da8c6b05d369b5c3e226d4dfb8b880a648e7
SHA256e96e7781c38277f266a20397046108cb46b1c7fca6302c0b49ccefd678f8298c
SHA512d320dbc33557703c9ceffa32705a2c5407fa2014abfcdf0cf8e79dcf4c58aef87792d21b9b41d6d23c9112c74cffdeb238e6e8f43b372fb93212788e83a3810e
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\Users\Admin\AppData\Local\Temp\7zS255D.tmp\LkjiRkiMJiEahA2.exeFilesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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memory/1204-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmpFilesize
8KB
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memory/1228-56-0x0000000000000000-mapping.dmp