Analysis
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max time kernel
44s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
24/11/2022, 06:25
Static task
static1
Behavioral task
behavioral1
Sample
30e349c4207dc03f8c2cdbeaa4532c07e91a1b3aa107a44c7e7e13974eed3527.exe
Resource
win7-20220901-en
General
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Target
30e349c4207dc03f8c2cdbeaa4532c07e91a1b3aa107a44c7e7e13974eed3527.exe
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Size
931KB
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MD5
2b69b9af78ecbcf2afd186058211af05
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SHA1
c9fde7dbe7ca74071f63d67c3a88fabee27aa513
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SHA256
30e349c4207dc03f8c2cdbeaa4532c07e91a1b3aa107a44c7e7e13974eed3527
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SHA512
b7e39c271a98d02f4b9ec71b7e71b058506aa400392e63ba37ed25ea9548b3a0cfacbc2cb5bbfe9328f6a6fc201d0bb3a17d34474fa0df208daa82f844d6313b
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SSDEEP
24576:h1OYdaOgMWSUbvCXEQKSqGv8VWumF6RmcJozyPvpf2:h1Os+MWyUQ+GUVFIcHPvpf2
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1388 CcstYwyh4RzqxGv.exe -
Loads dropped DLL 1 IoCs
pid Process 1900 30e349c4207dc03f8c2cdbeaa4532c07e91a1b3aa107a44c7e7e13974eed3527.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
description ioc Process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\dpdmcmikokkekdaokdgfingankennekf\2.0\manifest.json CcstYwyh4RzqxGv.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\dpdmcmikokkekdaokdgfingankennekf\2.0\manifest.json CcstYwyh4RzqxGv.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\dpdmcmikokkekdaokdgfingankennekf\2.0\manifest.json CcstYwyh4RzqxGv.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy CcstYwyh4RzqxGv.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini CcstYwyh4RzqxGv.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol CcstYwyh4RzqxGv.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI CcstYwyh4RzqxGv.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 1388 CcstYwyh4RzqxGv.exe 1388 CcstYwyh4RzqxGv.exe 1388 CcstYwyh4RzqxGv.exe 1388 CcstYwyh4RzqxGv.exe 1388 CcstYwyh4RzqxGv.exe 1388 CcstYwyh4RzqxGv.exe 1388 CcstYwyh4RzqxGv.exe 1388 CcstYwyh4RzqxGv.exe 1388 CcstYwyh4RzqxGv.exe 1388 CcstYwyh4RzqxGv.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1388 CcstYwyh4RzqxGv.exe Token: SeDebugPrivilege 1388 CcstYwyh4RzqxGv.exe Token: SeDebugPrivilege 1388 CcstYwyh4RzqxGv.exe Token: SeDebugPrivilege 1388 CcstYwyh4RzqxGv.exe Token: SeDebugPrivilege 1388 CcstYwyh4RzqxGv.exe Token: SeDebugPrivilege 1388 CcstYwyh4RzqxGv.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1900 wrote to memory of 1388 1900 30e349c4207dc03f8c2cdbeaa4532c07e91a1b3aa107a44c7e7e13974eed3527.exe 27 PID 1900 wrote to memory of 1388 1900 30e349c4207dc03f8c2cdbeaa4532c07e91a1b3aa107a44c7e7e13974eed3527.exe 27 PID 1900 wrote to memory of 1388 1900 30e349c4207dc03f8c2cdbeaa4532c07e91a1b3aa107a44c7e7e13974eed3527.exe 27 PID 1900 wrote to memory of 1388 1900 30e349c4207dc03f8c2cdbeaa4532c07e91a1b3aa107a44c7e7e13974eed3527.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\30e349c4207dc03f8c2cdbeaa4532c07e91a1b3aa107a44c7e7e13974eed3527.exe"C:\Users\Admin\AppData\Local\Temp\30e349c4207dc03f8c2cdbeaa4532c07e91a1b3aa107a44c7e7e13974eed3527.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Users\Admin\AppData\Local\Temp\7zS687.tmp\CcstYwyh4RzqxGv.exe.\CcstYwyh4RzqxGv.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1388
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\7zS687.tmp\[email protected]\bootstrap.js
Filesize2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zS687.tmp\[email protected]\chrome.manifest
Filesize35B
MD51ef97696c2901dd6a0537ee477a3f714
SHA195431e215acf78ce02449e7cf1421041d5965f59
SHA25665394f9bb4a681cb629e646cc269a39fde10862a80d8938b1fd4f085b00363ef
SHA51237ccb0008d4ebd09631c83af0061ff8d304a9f92bae21e5fc842bda814d1d47a1fc07e61d0f871051625347ded3e912f08196787051dcf20f52e18cbc7611110
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C:\Users\Admin\AppData\Local\Temp\7zS687.tmp\[email protected]\content\bg.js
Filesize8KB
MD50e3ed2777dd9933834480c7b73a32eb3
SHA1da11fa1c5ee01904d3a8170503c1cf77ad519960
SHA256e2068dcc79af32b8ea2615ba9c722106eaa0e0c22cef161f36f89ea2a1ea9c6d
SHA512265d0dfce75cee1397bc8748872b413b7e25ba2cd5ea1df002e82ea22c6fbb79bac7892e2041300891050f5866221aea9397ea317e2712d224d22b71e4dd1502
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C:\Users\Admin\AppData\Local\Temp\7zS687.tmp\[email protected]\install.rdf
Filesize595B
MD5459734e2257dd478c7e617fb37107487
SHA167bfe860e298d81a550e4f7b8b83e950fe2df67f
SHA2562dd6534ee48eb25f19f95c01bbe5de8368bf954fcf33006177ce253ac5c18cbe
SHA5126486b41547eaf8889faecfe15cf36fc7a671747c8dcc5ed43524dbb1978c43f4b2e53cec86d7b8108b63e13284d7f3c19cd695b592f12685a27c31addbe07d9c
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Filesize
1KB
MD569c365596b9b4e2287f3e03dfe7de698
SHA134c02a3613dfd31bb44c3d086b9dffaac01aaa56
SHA25616692f8bfd647eb9ec8111f1f1cb47fed3af4b9be28982fb2564de4d879c22ae
SHA51215caf9933967bbe5b44f228ce647ea698c0f84af3d4c0d4d0c277f7af11bb88c320c7392380f5a0a213a9b5006c585d37881cb2afa06c610c38998c1bea274b5
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Filesize
771KB
MD5e8ef8ed232808bfa240b33b376bb74a8
SHA1b7ebfbda42fb24594210d3f97921c5b33b88585d
SHA256a4265c00fc8eb9371329ddbc19e760b433ea9f4ab4e16d4d95682031940ad6c9
SHA51224a4de7ba07c5712a94cb8334764b6d23799dc4bb7153acf4eb7289ec4577b79bc9bf4adf6e0c65b13441d7783314ec4d9a13a61cf447124c43c44ff55fa8ef8
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Filesize
138B
MD58f1ce53d9b0adffd12e04941b493810e
SHA1341355a15b53133ae8143a468fe5f34b4cfccba2
SHA256d086b8323d0039a4e0604867c1b0de5636e34ed4f6ac0e458c60edeedc828063
SHA512f7c1d493e153259d0979a8cb97f2f482a8cf70204f59407a090fd707828aece2f7fd62d9918714edbcb691ca08fb9a83721d0fac5834fdc1b4c577a734c95438
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Filesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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Filesize
6KB
MD550de1aa7d4364de16298edf28a4bbf6b
SHA18478a3444131ddfb53e154f3f793d93612fe534e
SHA256311278c716b5e7b1c39ef407bb3c38768e86fa036771773a606adbf69feca8c2
SHA5128269cf13c5132789b1859a84d875c7fa6fff82919c037f9493123116eb49d32ab433802cd13e0a9927b3d24689f5d58e386904d2eaeaf90bdeb22534aa95e27e
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Filesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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Filesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a
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Filesize
771KB
MD5e8ef8ed232808bfa240b33b376bb74a8
SHA1b7ebfbda42fb24594210d3f97921c5b33b88585d
SHA256a4265c00fc8eb9371329ddbc19e760b433ea9f4ab4e16d4d95682031940ad6c9
SHA51224a4de7ba07c5712a94cb8334764b6d23799dc4bb7153acf4eb7289ec4577b79bc9bf4adf6e0c65b13441d7783314ec4d9a13a61cf447124c43c44ff55fa8ef8