Analysis
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max time kernel
149s -
max time network
157s -
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 21:17
Static task
static1
Behavioral task
behavioral1
Sample
a4a7ca31f97b54313c4a2b3ff0fbf2f03836c50067b3fec0c71c8c9819ae49fb.exe
Resource
win7-20220901-en
General
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Target
a4a7ca31f97b54313c4a2b3ff0fbf2f03836c50067b3fec0c71c8c9819ae49fb.exe
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Size
932KB
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MD5
3150ea072b3deeae6871b7c0b38f835e
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SHA1
56f0fb8bef76afc9b2f9f71b117cec02668aab48
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SHA256
a4a7ca31f97b54313c4a2b3ff0fbf2f03836c50067b3fec0c71c8c9819ae49fb
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SHA512
39282b4f4dd572f8213a06d3345b74686e97313536e79e13413b7a57025d416b1f40c30b1bdb63e4a27b6695ae6ae82e0087bb244ea95b5a336f474497718577
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SSDEEP
24576:h1OYdaO8CZ/iWCvu/2sWsJA/jlt+DHhsd:h1Os2CpYO/dJJDHhsd
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
b9BYqT8nl1LzygA.exepid process 3004 b9BYqT8nl1LzygA.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:
b9BYqT8nl1LzygA.exedescription ioc process File created C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\clbnogandmpblfdcgheifbndlagilnmf\2.0\manifest.json b9BYqT8nl1LzygA.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\clbnogandmpblfdcgheifbndlagilnmf\2.0\manifest.json b9BYqT8nl1LzygA.exe File created C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\clbnogandmpblfdcgheifbndlagilnmf\2.0\manifest.json b9BYqT8nl1LzygA.exe File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\clbnogandmpblfdcgheifbndlagilnmf\2.0\manifest.json b9BYqT8nl1LzygA.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\clbnogandmpblfdcgheifbndlagilnmf\2.0\manifest.json b9BYqT8nl1LzygA.exe -
Drops file in System32 directory 4 IoCs
Processes:
b9BYqT8nl1LzygA.exedescription ioc process File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini b9BYqT8nl1LzygA.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol b9BYqT8nl1LzygA.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI b9BYqT8nl1LzygA.exe File opened for modification C:\Windows\System32\GroupPolicy b9BYqT8nl1LzygA.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
b9BYqT8nl1LzygA.exepid process 3004 b9BYqT8nl1LzygA.exe 3004 b9BYqT8nl1LzygA.exe 3004 b9BYqT8nl1LzygA.exe 3004 b9BYqT8nl1LzygA.exe 3004 b9BYqT8nl1LzygA.exe 3004 b9BYqT8nl1LzygA.exe 3004 b9BYqT8nl1LzygA.exe 3004 b9BYqT8nl1LzygA.exe 3004 b9BYqT8nl1LzygA.exe 3004 b9BYqT8nl1LzygA.exe 3004 b9BYqT8nl1LzygA.exe 3004 b9BYqT8nl1LzygA.exe 3004 b9BYqT8nl1LzygA.exe 3004 b9BYqT8nl1LzygA.exe 3004 b9BYqT8nl1LzygA.exe 3004 b9BYqT8nl1LzygA.exe 3004 b9BYqT8nl1LzygA.exe 3004 b9BYqT8nl1LzygA.exe 3004 b9BYqT8nl1LzygA.exe 3004 b9BYqT8nl1LzygA.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
b9BYqT8nl1LzygA.exedescription pid process Token: SeDebugPrivilege 3004 b9BYqT8nl1LzygA.exe Token: SeDebugPrivilege 3004 b9BYqT8nl1LzygA.exe Token: SeDebugPrivilege 3004 b9BYqT8nl1LzygA.exe Token: SeDebugPrivilege 3004 b9BYqT8nl1LzygA.exe Token: SeDebugPrivilege 3004 b9BYqT8nl1LzygA.exe Token: SeDebugPrivilege 3004 b9BYqT8nl1LzygA.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
a4a7ca31f97b54313c4a2b3ff0fbf2f03836c50067b3fec0c71c8c9819ae49fb.exedescription pid process target process PID 2268 wrote to memory of 3004 2268 a4a7ca31f97b54313c4a2b3ff0fbf2f03836c50067b3fec0c71c8c9819ae49fb.exe b9BYqT8nl1LzygA.exe PID 2268 wrote to memory of 3004 2268 a4a7ca31f97b54313c4a2b3ff0fbf2f03836c50067b3fec0c71c8c9819ae49fb.exe b9BYqT8nl1LzygA.exe PID 2268 wrote to memory of 3004 2268 a4a7ca31f97b54313c4a2b3ff0fbf2f03836c50067b3fec0c71c8c9819ae49fb.exe b9BYqT8nl1LzygA.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a4a7ca31f97b54313c4a2b3ff0fbf2f03836c50067b3fec0c71c8c9819ae49fb.exe"C:\Users\Admin\AppData\Local\Temp\a4a7ca31f97b54313c4a2b3ff0fbf2f03836c50067b3fec0c71c8c9819ae49fb.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2268 -
C:\Users\Admin\AppData\Local\Temp\7zS934C.tmp\b9BYqT8nl1LzygA.exe.\b9BYqT8nl1LzygA.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3004
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:3308
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:1940
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5665662dbf57284a9136199bf858a8930
SHA1a7c358e63ad089232d8b6e0ed289bc18ecb31cdc
SHA25623258ea5ae391c7a9e75ba4365e9c0b986e41261ec54324a5a967dcf54a5f2a8
SHA51287c864bce123e04fc5ba5e172a104bb598696a078d00b2a6042475ecc005d46ce0d9f0a3dd46edfeb5502f312c9ceddd9915ca21f9c862fc8cd52f7f336c6eed
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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
MD55ca72084573b80b1a7fb64502a9f3611
SHA13ad5bd894ac758fad69c19ee7fde28b9c3dcf151
SHA2564600edba441967df85f4521ddabf05c377716d5d90a882c8ea37d1e1c20d1dfb
SHA512559345ac6cc6f51f1bcc3f86c03d477e9651935d72fd5d637b9d9fd095cdc00e3ea7bca95a4e8918116a98c3b7a8c6a5bb04911456ada4fe87acf6fe2b5024c3
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Filesize
144B
MD5f5e6cd8a80e5af0ce6652d47fdd4a352
SHA17758561261c7e34a5c767cf51b394a8568ec8eaf
SHA2562096400c71fff2ce72ae28c779f1b28bff97082cc5234ec5098e3d78e9f26309
SHA51283a620b1e96d8f6d23abd11cb343bfe3658a6f949646cc7bf6619dfe01dbb6499b0d49054a3eada5f3e3db0d328af52ea8a5f79c7d6b50aa0fad6227915e4e54
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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\7zS934C.tmp\[email protected]\bootstrap.js
Filesize2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zS934C.tmp\[email protected]\chrome.manifest
Filesize35B
MD5e668b1f2ad14923027de015e2f9125e7
SHA1829fa0015a40b4f9b3fc3d0d1bdfcbe26fc004f8
SHA2561ad4dc2b66da2a4c0efc14e7fa2f41e9801fe8f5a5cd0a8f3cc34dc4197a1298
SHA51200cec34bef5f89cd45a84723f4f8230319d38387a9f3a378766901baa3e83c9be109ac205d034a8f9567ca637db518ed7a55b357841baf941b59a50b47328e81
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C:\Users\Admin\AppData\Local\Temp\7zS934C.tmp\[email protected]\content\bg.js
Filesize9KB
MD52f22c28c0ce996303f432d7f65421c71
SHA10da8984f8e7650b91af776303a5e6f6a23a5603d
SHA25637b2253e073069764238a9066f175e141771965f99266a5cbade02eae9333970
SHA51202274cbde7a557a57ca8111bec9ad076037432ea34cec0acbdcbcf3c48245460d1df62cdbffee5d472db025ad40b71e8218e1a194de49190cac4bbee107691b4
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C:\Users\Admin\AppData\Local\Temp\7zS934C.tmp\[email protected]\install.rdf
Filesize591B
MD5977d2f9e634f12392978249c7bfdb381
SHA17ca58d85d53ea335f41a081015a91979fa2f3fd0
SHA2566f31f6d1cb0d53a5ab500ffbd4a3fc8b02375c6b984539161f2eb6d01cf33114
SHA512c8e678fc2273ee628cbd01566284ebfaad6e8edc07675e92e3acac5ba9e600de5962b311fe91962a13fa9482753e33b42fee89f2ba5c726d1f5dee803d9449ad