Analysis
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max time kernel
287s -
max time network
304s -
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 21:15
Static task
static1
Behavioral task
behavioral1
Sample
a56031b561cf54e62b0f9261c5090eb6d7354975d5f55280fd0490ef1a65dbe0.exe
Resource
win7-20220812-en
General
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Target
a56031b561cf54e62b0f9261c5090eb6d7354975d5f55280fd0490ef1a65dbe0.exe
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Size
2.5MB
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MD5
34941b2d143a257da58d05aa8cce7c7c
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SHA1
c08612761d71586caef0b25b42a98be718b418f1
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SHA256
a56031b561cf54e62b0f9261c5090eb6d7354975d5f55280fd0490ef1a65dbe0
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SHA512
f60d3ace771d0213a5311e9c7a629816ae7bb686be1d48e4e15813599c56bf93125c47ff88cc27fe7957c2a0a470daef5059c445a442669926e1e84a109817bd
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SSDEEP
49152:h1OsZ+QK3xQpjajXKioFMpYphqd3ArqvFUmEaDxEAxh4UR9TEO:h1OdQCjbKioVg3ArKh40B
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
dZ4c4336ieLEUth.exepid process 5100 dZ4c4336ieLEUth.exe -
Loads dropped DLL 3 IoCs
Processes:
dZ4c4336ieLEUth.exeregsvr32.exeregsvr32.exepid process 5100 dZ4c4336ieLEUth.exe 1660 regsvr32.exe 2276 regsvr32.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:
dZ4c4336ieLEUth.exedescription ioc process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\kdbkamhoiikijcigfdklpikcoecjclfj\2.0\manifest.json dZ4c4336ieLEUth.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\kdbkamhoiikijcigfdklpikcoecjclfj\2.0\manifest.json dZ4c4336ieLEUth.exe File created C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\kdbkamhoiikijcigfdklpikcoecjclfj\2.0\manifest.json dZ4c4336ieLEUth.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\kdbkamhoiikijcigfdklpikcoecjclfj\2.0\manifest.json dZ4c4336ieLEUth.exe File created C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\kdbkamhoiikijcigfdklpikcoecjclfj\2.0\manifest.json dZ4c4336ieLEUth.exe -
Installs/modifies Browser Helper Object 2 TTPs 9 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
dZ4c4336ieLEUth.exeregsvr32.exedescription ioc process Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects dZ4c4336ieLEUth.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\ dZ4c4336ieLEUth.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{761497BB-D6F0-462C-B6EB-D4DAF1D92D43} regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA} dZ4c4336ieLEUth.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{DBC80044-A445-435B-BC74-9C25C1C588A9} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\ regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} dZ4c4336ieLEUth.exe -
Drops file in Program Files directory 8 IoCs
Processes:
dZ4c4336ieLEUth.exedescription ioc process File opened for modification C:\Program Files (x86)\GoSave\WimdXAYh9aYMLb.dat dZ4c4336ieLEUth.exe File created C:\Program Files (x86)\GoSave\WimdXAYh9aYMLb.x64.dll dZ4c4336ieLEUth.exe File opened for modification C:\Program Files (x86)\GoSave\WimdXAYh9aYMLb.x64.dll dZ4c4336ieLEUth.exe File created C:\Program Files (x86)\GoSave\WimdXAYh9aYMLb.dll dZ4c4336ieLEUth.exe File opened for modification C:\Program Files (x86)\GoSave\WimdXAYh9aYMLb.dll dZ4c4336ieLEUth.exe File created C:\Program Files (x86)\GoSave\WimdXAYh9aYMLb.tlb dZ4c4336ieLEUth.exe File opened for modification C:\Program Files (x86)\GoSave\WimdXAYh9aYMLb.tlb dZ4c4336ieLEUth.exe File created C:\Program Files (x86)\GoSave\WimdXAYh9aYMLb.dat dZ4c4336ieLEUth.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
dZ4c4336ieLEUth.exepid process 5100 dZ4c4336ieLEUth.exe 5100 dZ4c4336ieLEUth.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
a56031b561cf54e62b0f9261c5090eb6d7354975d5f55280fd0490ef1a65dbe0.exedZ4c4336ieLEUth.exeregsvr32.exedescription pid process target process PID 3088 wrote to memory of 5100 3088 a56031b561cf54e62b0f9261c5090eb6d7354975d5f55280fd0490ef1a65dbe0.exe dZ4c4336ieLEUth.exe PID 3088 wrote to memory of 5100 3088 a56031b561cf54e62b0f9261c5090eb6d7354975d5f55280fd0490ef1a65dbe0.exe dZ4c4336ieLEUth.exe PID 3088 wrote to memory of 5100 3088 a56031b561cf54e62b0f9261c5090eb6d7354975d5f55280fd0490ef1a65dbe0.exe dZ4c4336ieLEUth.exe PID 5100 wrote to memory of 1660 5100 dZ4c4336ieLEUth.exe regsvr32.exe PID 5100 wrote to memory of 1660 5100 dZ4c4336ieLEUth.exe regsvr32.exe PID 5100 wrote to memory of 1660 5100 dZ4c4336ieLEUth.exe regsvr32.exe PID 1660 wrote to memory of 2276 1660 regsvr32.exe regsvr32.exe PID 1660 wrote to memory of 2276 1660 regsvr32.exe regsvr32.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a56031b561cf54e62b0f9261c5090eb6d7354975d5f55280fd0490ef1a65dbe0.exe"C:\Users\Admin\AppData\Local\Temp\a56031b561cf54e62b0f9261c5090eb6d7354975d5f55280fd0490ef1a65dbe0.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3088 -
C:\Users\Admin\AppData\Local\Temp\7zS47B.tmp\dZ4c4336ieLEUth.exe.\dZ4c4336ieLEUth.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops Chrome extension
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5100 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s "C:\Program Files (x86)\GoSave\WimdXAYh9aYMLb.x64.dll"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1660 -
C:\Windows\system32\regsvr32.exe/s "C:\Program Files (x86)\GoSave\WimdXAYh9aYMLb.x64.dll"4⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
PID:2276
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
6KB
MD5d62edb9c7c5836dbf23dccf035808eb9
SHA1918ab9ff7259ad37c76c18518ec0a5a6b0db4cf6
SHA25654ee4e5e9c8a58326e60227f7ea7a1c582341e5279a2c66b8d2c8ede363ccc01
SHA5125e31f48a863cef0be7c6adde9cf695a359b0475df5291d23bc5542515b004cfd300bf6f8953b0ae423dbfd662f0abe7f6ceeb168bacaea258b7663493f141f55
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Filesize
748KB
MD5c4836ef373cdfa7eac3738c59ae9fb83
SHA12f019c1b3357e3be378ac804acfc98ec4f80b576
SHA2565c7ba1a9e0bf346f3b4baa8e6965981b0ff412eabc879ecc531e98f268c34e3e
SHA512e459aeba63802639c8e7245afc139d86e75a805e14b90318b926ff00fe384d14ac209dc76fb88319218c89fe1562c737ed4c5847cd92e698d529ba6737c2fb4d
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Filesize
887KB
MD5fe714aa952e86e33b2cc1652e0f7f6cb
SHA125927512b7bef5f0586f7edab4d4804ec43409aa
SHA256c4fc97da6b3393137f1711238c3ac18d36f903d256a9205fd40e71b4c99ce579
SHA512fe5ac276c14bf2f5e59a1c4acccb98404cbbbe0bceed92a69e5860445682c44d8575ef6926706b9d750bcbf8dca539503547c4f693a8b28cb2e3463760c2c5a7
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Filesize
887KB
MD5fe714aa952e86e33b2cc1652e0f7f6cb
SHA125927512b7bef5f0586f7edab4d4804ec43409aa
SHA256c4fc97da6b3393137f1711238c3ac18d36f903d256a9205fd40e71b4c99ce579
SHA512fe5ac276c14bf2f5e59a1c4acccb98404cbbbe0bceed92a69e5860445682c44d8575ef6926706b9d750bcbf8dca539503547c4f693a8b28cb2e3463760c2c5a7
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Filesize
887KB
MD5fe714aa952e86e33b2cc1652e0f7f6cb
SHA125927512b7bef5f0586f7edab4d4804ec43409aa
SHA256c4fc97da6b3393137f1711238c3ac18d36f903d256a9205fd40e71b4c99ce579
SHA512fe5ac276c14bf2f5e59a1c4acccb98404cbbbe0bceed92a69e5860445682c44d8575ef6926706b9d750bcbf8dca539503547c4f693a8b28cb2e3463760c2c5a7
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C:\Users\Admin\AppData\Local\Temp\7zS47B.tmp\[email protected]\bootstrap.js
Filesize2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zS47B.tmp\[email protected]\chrome.manifest
Filesize35B
MD5e885c70ef8856ed896a96054b65c5bb2
SHA1a2dd7d1178546e5926e478b8b864bfb24665e971
SHA25689e185f6578a3d9328bf8e96640646e4370eec6c1a8ddb0aaf53f086b1e22057
SHA512354c98003555dd1f07d75857ce29258261d3d769bec1ddcf5f35d6771e97061e1a9bcd459d100e2635164b8f118b305be4bbabb12333e82007c5658c64396aaa
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C:\Users\Admin\AppData\Local\Temp\7zS47B.tmp\[email protected]\content\bg.js
Filesize7KB
MD565e1125df5318fee8f149991ea5fa3ad
SHA15ba39e52053326018d21cd0b3639bb1c5f2017c9
SHA256a7f4d597579e95fa09e107ba8456a4164fd1743838253e6b63ac37a0e32f69f3
SHA512d725580652fd8f8a9d4bf48fd0059ab65e026f5c6c461d8a36d6aa5b6e4b9470d6dd17db23dccbc0fdb662e5ea9b8a47dd71328feaed0107c8000ab8dd083e45
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C:\Users\Admin\AppData\Local\Temp\7zS47B.tmp\[email protected]\install.rdf
Filesize597B
MD5422314dacde2a0e57f6618fa6a46dcd9
SHA1eb109640bb3867f4e7ba1a6637ea73c1bddddf32
SHA256579697dfe1c3104116afab04083972bfc122d337205f9549c137cb132f4c35f8
SHA5120881a424e2ebc198465c4d7ccb0f1e15f34a2abe789fcc2a24d4a0bf00568a396599c3079fbdd6fa5a1b32bad0918deb53ca725ae0524b1d7fb8484cbcdd1a9d
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Filesize
748KB
MD5c4836ef373cdfa7eac3738c59ae9fb83
SHA12f019c1b3357e3be378ac804acfc98ec4f80b576
SHA2565c7ba1a9e0bf346f3b4baa8e6965981b0ff412eabc879ecc531e98f268c34e3e
SHA512e459aeba63802639c8e7245afc139d86e75a805e14b90318b926ff00fe384d14ac209dc76fb88319218c89fe1562c737ed4c5847cd92e698d529ba6737c2fb4d
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Filesize
3KB
MD5f461159d95e1a49a534ad0320ff3984b
SHA1e3363285437846f046b126adbcd8e4789aa1f486
SHA256d6967480d6f6fd4b9d31fb7e38ee6f04c76c36edd2795f852ec3938d984993d6
SHA5122a12587d4a69c967771d8b4ed43e857a81899e177d5ec8ddf8365eaa4e8752032fac8d25b5c3a89ae5efc82b4c6dfd4ba2d26e998b3ad95cc8fdc6ef0c7416ed
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Filesize
887KB
MD5fe714aa952e86e33b2cc1652e0f7f6cb
SHA125927512b7bef5f0586f7edab4d4804ec43409aa
SHA256c4fc97da6b3393137f1711238c3ac18d36f903d256a9205fd40e71b4c99ce579
SHA512fe5ac276c14bf2f5e59a1c4acccb98404cbbbe0bceed92a69e5860445682c44d8575ef6926706b9d750bcbf8dca539503547c4f693a8b28cb2e3463760c2c5a7
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Filesize
6KB
MD5d62edb9c7c5836dbf23dccf035808eb9
SHA1918ab9ff7259ad37c76c18518ec0a5a6b0db4cf6
SHA25654ee4e5e9c8a58326e60227f7ea7a1c582341e5279a2c66b8d2c8ede363ccc01
SHA5125e31f48a863cef0be7c6adde9cf695a359b0475df5291d23bc5542515b004cfd300bf6f8953b0ae423dbfd662f0abe7f6ceeb168bacaea258b7663493f141f55
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Filesize
765KB
MD5102dfa10cc29d7f1ded876dfd7274280
SHA1f26e57d916bf7c5c3a4b49a2edaf30e945b0b44e
SHA25667d9ee9e36b29e081ff2084dc488b0b6c4120e791a5c33ce6027cf89718e4bb3
SHA512c3b7bb463873420f1582880308acca440c24fefaf45c9ad75319665e07c0f4548bd6fe07fabec48edd138a495a2607297773b16400e351e68a7462b45fb2c0c2
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Filesize
765KB
MD5102dfa10cc29d7f1ded876dfd7274280
SHA1f26e57d916bf7c5c3a4b49a2edaf30e945b0b44e
SHA25667d9ee9e36b29e081ff2084dc488b0b6c4120e791a5c33ce6027cf89718e4bb3
SHA512c3b7bb463873420f1582880308acca440c24fefaf45c9ad75319665e07c0f4548bd6fe07fabec48edd138a495a2607297773b16400e351e68a7462b45fb2c0c2
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Filesize
140B
MD50f6bff10a3829249e21b113122a3c626
SHA19e749508a02ab65e75561d5e6a0f2caf58d62a3e
SHA256bcad5d2e36b10916bd1ac6131d10d64ecede802d68757159c109cc29374a9302
SHA512c71858630adff2411058091a298cce7b228afeedb37d508375ccded8a11be0ee13c4bae7ca92841213ef1c46e144e25b72f5cdebc0daa91de543a6933b808790
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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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Filesize
5KB
MD5f06c68a3ccea05645be90626cc26d693
SHA151811f6685d822a4af0676ec3e17e1f968e68bbe
SHA256e1d25512dc46e7ec447c66fa7056a830b0ead88b8375109de066da8ac1d48c30
SHA512062219e6d3acc2fb74a34b2520411d4030c0a25f1c17dc59311811a2cf9636f0c679a98256e3a4531ce5b8ae46ec9d2999a565e52a4f536b744d8f983f44b723