Analysis
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max time kernel
155s -
max time network
183s -
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 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 1456 LkjiRkiMJiEahA2.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:
LkjiRkiMJiEahA2.exedescription ioc process File created C:\Users\DefaultAccount\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\WDAGUtilityAccount\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 File created C:\Users\Administrator\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 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 File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini LkjiRkiMJiEahA2.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
LkjiRkiMJiEahA2.exepid process 1456 LkjiRkiMJiEahA2.exe 1456 LkjiRkiMJiEahA2.exe 1456 LkjiRkiMJiEahA2.exe 1456 LkjiRkiMJiEahA2.exe 1456 LkjiRkiMJiEahA2.exe 1456 LkjiRkiMJiEahA2.exe 1456 LkjiRkiMJiEahA2.exe 1456 LkjiRkiMJiEahA2.exe 1456 LkjiRkiMJiEahA2.exe 1456 LkjiRkiMJiEahA2.exe 1456 LkjiRkiMJiEahA2.exe 1456 LkjiRkiMJiEahA2.exe 1456 LkjiRkiMJiEahA2.exe 1456 LkjiRkiMJiEahA2.exe 1456 LkjiRkiMJiEahA2.exe 1456 LkjiRkiMJiEahA2.exe 1456 LkjiRkiMJiEahA2.exe 1456 LkjiRkiMJiEahA2.exe 1456 LkjiRkiMJiEahA2.exe 1456 LkjiRkiMJiEahA2.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
LkjiRkiMJiEahA2.exedescription pid process Token: SeDebugPrivilege 1456 LkjiRkiMJiEahA2.exe Token: SeDebugPrivilege 1456 LkjiRkiMJiEahA2.exe Token: SeDebugPrivilege 1456 LkjiRkiMJiEahA2.exe Token: SeDebugPrivilege 1456 LkjiRkiMJiEahA2.exe Token: SeDebugPrivilege 1456 LkjiRkiMJiEahA2.exe Token: SeDebugPrivilege 1456 LkjiRkiMJiEahA2.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
a7a36552acee8be0bb07d23b42d4541092fabd0f34e4d4c73765cda431ba18ea.exedescription pid process target process PID 3736 wrote to memory of 1456 3736 a7a36552acee8be0bb07d23b42d4541092fabd0f34e4d4c73765cda431ba18ea.exe LkjiRkiMJiEahA2.exe PID 3736 wrote to memory of 1456 3736 a7a36552acee8be0bb07d23b42d4541092fabd0f34e4d4c73765cda431ba18ea.exe LkjiRkiMJiEahA2.exe PID 3736 wrote to memory of 1456 3736 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⤵
- Suspicious use of WriteProcessMemory
PID:3736 -
C:\Users\Admin\AppData\Local\Temp\7zS1647.tmp\LkjiRkiMJiEahA2.exe.\LkjiRkiMJiEahA2.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1456
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:4592
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:4348
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD552514756fd2358e0ffd2de72b30322a9
SHA16dafb608fc66e21ee9d9ef429b33954ead024dc1
SHA256f7da17c176d4f76f8e1c44ddd3aaa3c9dd31b70ca1c8f2b9f93009245bff19ff
SHA512fd540328f536a7175b9f72bdf0f9fce65c0ab39463ed29bbc600859028b3f7f6192c8925663052bc862feaecb41646d0ee9d52abaeacc77b4e0afe8417556672
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Filesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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Filesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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Filesize
6KB
MD517b897eec66405de708a4a513643820e
SHA169414f997566611c37196cbe5147217c13c3aa42
SHA256809bfe841b78f0fb7ef4955d67426b0beaad41e4cc331707d77eec31619ed997
SHA512e423c6ab80fe8d3bdab909ccaf8106a60512fa4fb2baa19790e13eeb50f8eb076d2efb6a8eac12761df0e0c278330afe9c2958d53f0826ee4ea17d2e741f3523
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Filesize
144B
MD5dd03505b620ae49f823aff1fbeebaa87
SHA1121cd4a96e376bc3c08c8168390055702143cc32
SHA2563190ce205c1430f3443b62c6b62ea5c5871d21ac8fb31f9500290da6cce81517
SHA512785d51b68ec40f00a9ed3fcdf35d35688334688823e12c0a6ad1a2b1cd593b484422e9ca487a46396f6f294ea132d5d192e9ed22769c6d99b6af500386d4d9ba
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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
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a
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C:\Users\Admin\AppData\Local\Temp\7zS1647.tmp\[email protected]\bootstrap.js
Filesize2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zS1647.tmp\[email protected]\chrome.manifest
Filesize35B
MD5648207a469f8e28cb6822b429b76500b
SHA18cbb94d473421e32ade6dcd1748379f1bfb7edf9
SHA2568cb48352a9fc2291da9ae38d81c5ea7cd7099ed57260b5d05b64876a757daae4
SHA512137a98c06aae30ade22915dbf417b24d654d93d13f812f0b85f3de45aa8b81538b2e74e6eb7501a6a188d8c9b7460c8ca1d2d726a0231326e0173036bb42b7e7
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C:\Users\Admin\AppData\Local\Temp\7zS1647.tmp\[email protected]\content\bg.js
Filesize8KB
MD53937a525b50107bb3d12ccaf4044ae8a
SHA18e127bd33aeaf1832c5663768c2923fa7bc8addd
SHA256029a5fec2215eca7dae604d75927d72206daf2cef00051707923a83ff06b3f42
SHA5127ad939dc66808d50e2fee3bcc6db386a9bcbb65ee6a03b35b699efe65afb6438692a9833c7684a9ef00160cc846b0563d34c586bb20c93ae3caf1b8a263fe9ef
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C:\Users\Admin\AppData\Local\Temp\7zS1647.tmp\[email protected]\install.rdf
Filesize599B
MD57243485dd4ee66db79acff3e62755f5d
SHA1db27da8c6b05d369b5c3e226d4dfb8b880a648e7
SHA256e96e7781c38277f266a20397046108cb46b1c7fca6302c0b49ccefd678f8298c
SHA512d320dbc33557703c9ceffa32705a2c5407fa2014abfcdf0cf8e79dcf4c58aef87792d21b9b41d6d23c9112c74cffdeb238e6e8f43b372fb93212788e83a3810e