Analysis
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max time kernel
159s -
max time network
166s -
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 21:21
Static task
static1
Behavioral task
behavioral1
Sample
a329ee4439064c0cc49eb11044572299a7cde977778c2e354c142e4fbc7ac088.exe
Resource
win7-20220812-en
General
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Target
a329ee4439064c0cc49eb11044572299a7cde977778c2e354c142e4fbc7ac088.exe
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Size
920KB
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MD5
5bbf263b4797abcee4de215dd40aecbb
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SHA1
97497bc2395bc9851bce4cd00670b43096c61c28
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SHA256
a329ee4439064c0cc49eb11044572299a7cde977778c2e354c142e4fbc7ac088
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SHA512
bb14a3f3e4e9b76c5927b2d2b0188933b2e9a1fbc2de3c1861e3ac6b9d4ddb8c3d751bbb84ebb6aee8923a9801e4ceff52a5a83f6ca3ad93f1d337816c98d2c0
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SSDEEP
24576:h1OYdaOHMtdHAqcdDVhYwiei7+EpFAh/kKZ:h1OsmPHVmVhYwiLtKkKZ
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
b4nkZSAJBs2VFUm.exepid process 3640 b4nkZSAJBs2VFUm.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:
b4nkZSAJBs2VFUm.exedescription ioc process File created C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\poaphncpgffdfemhlblepcgjnebbjkjk\2.0\manifest.json b4nkZSAJBs2VFUm.exe File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\poaphncpgffdfemhlblepcgjnebbjkjk\2.0\manifest.json b4nkZSAJBs2VFUm.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\poaphncpgffdfemhlblepcgjnebbjkjk\2.0\manifest.json b4nkZSAJBs2VFUm.exe File created C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\poaphncpgffdfemhlblepcgjnebbjkjk\2.0\manifest.json b4nkZSAJBs2VFUm.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\poaphncpgffdfemhlblepcgjnebbjkjk\2.0\manifest.json b4nkZSAJBs2VFUm.exe -
Drops file in System32 directory 4 IoCs
Processes:
b4nkZSAJBs2VFUm.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy b4nkZSAJBs2VFUm.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini b4nkZSAJBs2VFUm.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol b4nkZSAJBs2VFUm.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI b4nkZSAJBs2VFUm.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
b4nkZSAJBs2VFUm.exepid process 3640 b4nkZSAJBs2VFUm.exe 3640 b4nkZSAJBs2VFUm.exe 3640 b4nkZSAJBs2VFUm.exe 3640 b4nkZSAJBs2VFUm.exe 3640 b4nkZSAJBs2VFUm.exe 3640 b4nkZSAJBs2VFUm.exe 3640 b4nkZSAJBs2VFUm.exe 3640 b4nkZSAJBs2VFUm.exe 3640 b4nkZSAJBs2VFUm.exe 3640 b4nkZSAJBs2VFUm.exe 3640 b4nkZSAJBs2VFUm.exe 3640 b4nkZSAJBs2VFUm.exe 3640 b4nkZSAJBs2VFUm.exe 3640 b4nkZSAJBs2VFUm.exe 3640 b4nkZSAJBs2VFUm.exe 3640 b4nkZSAJBs2VFUm.exe 3640 b4nkZSAJBs2VFUm.exe 3640 b4nkZSAJBs2VFUm.exe 3640 b4nkZSAJBs2VFUm.exe 3640 b4nkZSAJBs2VFUm.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
b4nkZSAJBs2VFUm.exedescription pid process Token: SeDebugPrivilege 3640 b4nkZSAJBs2VFUm.exe Token: SeDebugPrivilege 3640 b4nkZSAJBs2VFUm.exe Token: SeDebugPrivilege 3640 b4nkZSAJBs2VFUm.exe Token: SeDebugPrivilege 3640 b4nkZSAJBs2VFUm.exe Token: SeDebugPrivilege 3640 b4nkZSAJBs2VFUm.exe Token: SeDebugPrivilege 3640 b4nkZSAJBs2VFUm.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
a329ee4439064c0cc49eb11044572299a7cde977778c2e354c142e4fbc7ac088.exedescription pid process target process PID 4380 wrote to memory of 3640 4380 a329ee4439064c0cc49eb11044572299a7cde977778c2e354c142e4fbc7ac088.exe b4nkZSAJBs2VFUm.exe PID 4380 wrote to memory of 3640 4380 a329ee4439064c0cc49eb11044572299a7cde977778c2e354c142e4fbc7ac088.exe b4nkZSAJBs2VFUm.exe PID 4380 wrote to memory of 3640 4380 a329ee4439064c0cc49eb11044572299a7cde977778c2e354c142e4fbc7ac088.exe b4nkZSAJBs2VFUm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a329ee4439064c0cc49eb11044572299a7cde977778c2e354c142e4fbc7ac088.exe"C:\Users\Admin\AppData\Local\Temp\a329ee4439064c0cc49eb11044572299a7cde977778c2e354c142e4fbc7ac088.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7zS90DB.tmp\b4nkZSAJBs2VFUm.exe.\b4nkZSAJBs2VFUm.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\7zS90DB.tmp\[email protected]\bootstrap.jsFilesize
2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zS90DB.tmp\[email protected]\chrome.manifestFilesize
35B
MD53fb4af1b7e8a6121550be918ffb06cf7
SHA12673444934587a21bd5b2129163ac821a6e64e20
SHA2566f4f279d34db2cda75cd2ab27f9a92f262f879bc519c797cb988f2ef86e2fe2c
SHA512eb05b677fc93c892e2f231a14986418651e8bf9bfaac79bbfbde002ea014918b25c182081d7aaec1f1fc1ddce8e73307141efe5572dac073f1f24b3fbd7bb7bb
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C:\Users\Admin\AppData\Local\Temp\7zS90DB.tmp\[email protected]\content\bg.jsFilesize
8KB
MD5bb7464213deacc4763a07e58271da38e
SHA1ca44ee1b2884e5379a9fd0d8b6d68863451785b2
SHA2564c29ef2c31e4058af824f219d6f5fa96131cd57488e293aa44ceb83abd88ef8b
SHA512c403d99a8521f03b9ff5b785fb6ea5bd7f917eeab1e09456931523b3f91ac9fc977b3b4170e1d56f9e526e39ec878b46347c9b23a21ee20be18221ff5db634f0
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C:\Users\Admin\AppData\Local\Temp\7zS90DB.tmp\[email protected]\install.rdfFilesize
595B
MD5da4daa6dc8b1e81d34cedb78e71b3b3a
SHA1039b035157d0aa608f621cd0b2a59f64868e62d3
SHA2566d55be6bbf826e0728ae532f3e48324d08910c2b6f838e91758a567dc40204b2
SHA5128e98f2b596704c5c54c9866e64642813a4aa926680be94aa284ec63b811d2941ce88b1ae776d6909ecbe4fd3d8d134b4e67b9339458027ad9300865dfa056d51
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C:\Users\Admin\AppData\Local\Temp\7zS90DB.tmp\b4nkZSAJBs2VFUm.datFilesize
1KB
MD5f0aa96aed46542c7df84e34108a34e75
SHA1c89a68a8879cab82d7125ade72703bc7d377b677
SHA2564b7024d495bd9f2a0b51305a617f5d0d86495627b3b30301a26df35d68d4e045
SHA512c8044d974b76735d3abe529d2af51b847a6126ca7045de1c9a2b2ad21e32220a44cd8a4d2cab6e6ca9112842e5cefa634ed9b279140c18bba75874b752372ed2
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C:\Users\Admin\AppData\Local\Temp\7zS90DB.tmp\b4nkZSAJBs2VFUm.exeFilesize
760KB
MD5dcd148f6f3af3e3b0935c4fcc9f41811
SHA1ee9bdbc7c568c7832d90b85921ab20030b6734cd
SHA256f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4
SHA51234be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886
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C:\Users\Admin\AppData\Local\Temp\7zS90DB.tmp\b4nkZSAJBs2VFUm.exeFilesize
760KB
MD5dcd148f6f3af3e3b0935c4fcc9f41811
SHA1ee9bdbc7c568c7832d90b85921ab20030b6734cd
SHA256f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4
SHA51234be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886
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C:\Users\Admin\AppData\Local\Temp\7zS90DB.tmp\poaphncpgffdfemhlblepcgjnebbjkjk\CRePsXn9.jsFilesize
6KB
MD5575ea1f0ef46e4f803e1373303859b30
SHA17362cd399749f09501495627553ca237f75f13db
SHA256e0b6a5c9812aca668c15ca30f5f5868ac1a66e4152551a1dd756576c095f787c
SHA5126c9507cfe02a40eeb69347965cb7aade5c6ba0da9b73dafbd6adab80c545b581792b197abe8223ef31553e6c07a4d5f0d4417b925c7a3a3f0c1e776e0132f8e5
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C:\Users\Admin\AppData\Local\Temp\7zS90DB.tmp\poaphncpgffdfemhlblepcgjnebbjkjk\background.htmlFilesize
145B
MD56179def8ae482c6dd91c7cac95662713
SHA1f414b903c0c01cc5f8052450dc5bbe727941b2bc
SHA25615cadd209251f27ba1ac44e8ebb67b6108af8da573428e5909d3c10972e6ebea
SHA512f7bb14cdea16d1a85de83063881d2697c365dde9f5d6a496a7a664b4ef02a66b2ff91cd9d767c4d4372a5c9c9f4076f74ab2f32e1e912af39c002636cc97e477
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C:\Users\Admin\AppData\Local\Temp\7zS90DB.tmp\poaphncpgffdfemhlblepcgjnebbjkjk\content.jsFilesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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C:\Users\Admin\AppData\Local\Temp\7zS90DB.tmp\poaphncpgffdfemhlblepcgjnebbjkjk\lsdb.jsFilesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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C:\Users\Admin\AppData\Local\Temp\7zS90DB.tmp\poaphncpgffdfemhlblepcgjnebbjkjk\manifest.jsonFilesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a
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memory/3640-132-0x0000000000000000-mapping.dmp