Analysis
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max time kernel
82s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 15:31
Static task
static1
Behavioral task
behavioral1
Sample
efee497b181419707d359bb30c491ad1a628649bd1f4cdab9e45ae70b763d63e.exe
Resource
win7-20221111-en
General
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Target
efee497b181419707d359bb30c491ad1a628649bd1f4cdab9e45ae70b763d63e.exe
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Size
2.1MB
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MD5
8999cb74343edefdc6f51d9abf9f6a31
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SHA1
8f445366a91a979cac7aab45b93866d3aba35c42
-
SHA256
efee497b181419707d359bb30c491ad1a628649bd1f4cdab9e45ae70b763d63e
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SHA512
e6ddd572924fc720fd3c14b46432bf2daeb7581e433fdc46d9bd02881078623102b4eac30a08c3c046a1d69974c3c3ba541f6e5b94122ed78a120dd60d3e473d
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SSDEEP
49152:h1OsaAxPqbaJ0CqWfTAeP20icuFMDoiXrBSdCIlE05XwjXr3X:h1O9Axib7CqWfTAeP2vaDhtSdp4
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
ej47FdSYCE0ysdk.exepid process 2024 ej47FdSYCE0ysdk.exe -
Loads dropped DLL 4 IoCs
Processes:
efee497b181419707d359bb30c491ad1a628649bd1f4cdab9e45ae70b763d63e.exeej47FdSYCE0ysdk.exeregsvr32.exeregsvr32.exepid process 1524 efee497b181419707d359bb30c491ad1a628649bd1f4cdab9e45ae70b763d63e.exe 2024 ej47FdSYCE0ysdk.exe 912 regsvr32.exe 1908 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.
-
Drops Chrome extension 3 IoCs
Processes:
ej47FdSYCE0ysdk.exedescription ioc process File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\oflbekffmpabolblkemagffdchlodmhf\2.0\manifest.json ej47FdSYCE0ysdk.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\oflbekffmpabolblkemagffdchlodmhf\2.0\manifest.json ej47FdSYCE0ysdk.exe File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\oflbekffmpabolblkemagffdchlodmhf\2.0\manifest.json ej47FdSYCE0ysdk.exe -
Installs/modifies Browser Helper Object 2 TTPs 11 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
ej47FdSYCE0ysdk.exeregsvr32.exedescription ioc process Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3} ej47FdSYCE0ysdk.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF} ej47FdSYCE0ysdk.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\ ej47FdSYCE0ysdk.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\{72853161-30C5-4D22-B7F9-0BBC1D38A37E} ej47FdSYCE0ysdk.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects ej47FdSYCE0ysdk.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E} regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF} regsvr32.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 -
Drops file in Program Files directory 8 IoCs
Processes:
ej47FdSYCE0ysdk.exedescription ioc process File created C:\Program Files (x86)\GoSave\pZw4TUjA2pHih8.x64.dll ej47FdSYCE0ysdk.exe File opened for modification C:\Program Files (x86)\GoSave\pZw4TUjA2pHih8.x64.dll ej47FdSYCE0ysdk.exe File created C:\Program Files (x86)\GoSave\pZw4TUjA2pHih8.dll ej47FdSYCE0ysdk.exe File opened for modification C:\Program Files (x86)\GoSave\pZw4TUjA2pHih8.dll ej47FdSYCE0ysdk.exe File created C:\Program Files (x86)\GoSave\pZw4TUjA2pHih8.tlb ej47FdSYCE0ysdk.exe File opened for modification C:\Program Files (x86)\GoSave\pZw4TUjA2pHih8.tlb ej47FdSYCE0ysdk.exe File created C:\Program Files (x86)\GoSave\pZw4TUjA2pHih8.dat ej47FdSYCE0ysdk.exe File opened for modification C:\Program Files (x86)\GoSave\pZw4TUjA2pHih8.dat ej47FdSYCE0ysdk.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
ej47FdSYCE0ysdk.exepid process 2024 ej47FdSYCE0ysdk.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
efee497b181419707d359bb30c491ad1a628649bd1f4cdab9e45ae70b763d63e.exeej47FdSYCE0ysdk.exeregsvr32.exedescription pid process target process PID 1524 wrote to memory of 2024 1524 efee497b181419707d359bb30c491ad1a628649bd1f4cdab9e45ae70b763d63e.exe ej47FdSYCE0ysdk.exe PID 1524 wrote to memory of 2024 1524 efee497b181419707d359bb30c491ad1a628649bd1f4cdab9e45ae70b763d63e.exe ej47FdSYCE0ysdk.exe PID 1524 wrote to memory of 2024 1524 efee497b181419707d359bb30c491ad1a628649bd1f4cdab9e45ae70b763d63e.exe ej47FdSYCE0ysdk.exe PID 1524 wrote to memory of 2024 1524 efee497b181419707d359bb30c491ad1a628649bd1f4cdab9e45ae70b763d63e.exe ej47FdSYCE0ysdk.exe PID 2024 wrote to memory of 912 2024 ej47FdSYCE0ysdk.exe regsvr32.exe PID 2024 wrote to memory of 912 2024 ej47FdSYCE0ysdk.exe regsvr32.exe PID 2024 wrote to memory of 912 2024 ej47FdSYCE0ysdk.exe regsvr32.exe PID 2024 wrote to memory of 912 2024 ej47FdSYCE0ysdk.exe regsvr32.exe PID 2024 wrote to memory of 912 2024 ej47FdSYCE0ysdk.exe regsvr32.exe PID 2024 wrote to memory of 912 2024 ej47FdSYCE0ysdk.exe regsvr32.exe PID 2024 wrote to memory of 912 2024 ej47FdSYCE0ysdk.exe regsvr32.exe PID 912 wrote to memory of 1908 912 regsvr32.exe regsvr32.exe PID 912 wrote to memory of 1908 912 regsvr32.exe regsvr32.exe PID 912 wrote to memory of 1908 912 regsvr32.exe regsvr32.exe PID 912 wrote to memory of 1908 912 regsvr32.exe regsvr32.exe PID 912 wrote to memory of 1908 912 regsvr32.exe regsvr32.exe PID 912 wrote to memory of 1908 912 regsvr32.exe regsvr32.exe PID 912 wrote to memory of 1908 912 regsvr32.exe regsvr32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\efee497b181419707d359bb30c491ad1a628649bd1f4cdab9e45ae70b763d63e.exe"C:\Users\Admin\AppData\Local\Temp\efee497b181419707d359bb30c491ad1a628649bd1f4cdab9e45ae70b763d63e.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1524 -
C:\Users\Admin\AppData\Local\Temp\7zSEABD.tmp\ej47FdSYCE0ysdk.exe.\ej47FdSYCE0ysdk.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:2024 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s "C:\Program Files (x86)\GoSave\pZw4TUjA2pHih8.x64.dll"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:912 -
C:\Windows\system32\regsvr32.exe/s "C:\Program Files (x86)\GoSave\pZw4TUjA2pHih8.x64.dll"4⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
PID:1908
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
6KB
MD5a1495739f9e2c23583e941264354fb55
SHA13e61cf9d385712ca862d82a6ae483ac0b2ebb22b
SHA25693c91c05d0207bceb58fa43e612bad3767c88d316ee9edc66d3eb02e1ffb5734
SHA5126c205306c3c52170faa7dc295995195d8ae49e1ab32fb64c89478887cea54ee5d917bd9cb98db3ccdb6d6bf23eaae74a04ac4942cead2d7e0c73a566a9941daa
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Filesize
697KB
MD509b1827343abfccf344d2b04268c1b87
SHA11c60bbd56c0b33be582c3dac053e9b28b94d588b
SHA256a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a
SHA512cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965
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C:\Users\Admin\AppData\Local\Temp\7zSEABD.tmp\[email protected]\bootstrap.js
Filesize2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zSEABD.tmp\[email protected]\chrome.manifest
Filesize35B
MD5438ebe6e2f2f59a0265be6e05eb48902
SHA1d18329b8c09dfb0252f53f7f8a786c00469e27e2
SHA2560687d1852d3f9f35b8762debc649ead205542cbfba7a1a034f0d05a62a30dea7
SHA512c3b0bc7fa980fb87e2e0b35b8acce6ba26549604f00a0bd0ef9ffae797a54fa26c7e6ce9ab5f397faa73519844603f3e49cfa015f1d8feacd99ee11f4674a4aa
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C:\Users\Admin\AppData\Local\Temp\7zSEABD.tmp\[email protected]\content\bg.js
Filesize7KB
MD5e6a26a005fc77b7bf05bcd1a7be04308
SHA123097ae4fbfe068c4c86e6e8968fe3d3fd925b19
SHA256b9e3c13902501dc17d1c3ac247ef884643e454a641725f4cd9f5189649eb335f
SHA51230aa93116ef41a53f6266b862df07aef2de3dc7e8e48b7b8f7b8dfc86f6d2ee935febb3d0377e1505f178c4f0579714c7c4f4032f460455b196e90fcf136f930
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C:\Users\Admin\AppData\Local\Temp\7zSEABD.tmp\[email protected]\install.rdf
Filesize594B
MD52b857013840563d10e2e6a791d6290d5
SHA13bb24ae4bf5376c73c3dabd900d0c2535d86c83c
SHA2560402620180c9bb8ce8241381c87fd4d04c49ce024ad601ff6133ec6589ec5069
SHA512fab8efa9b87305e88c5634173a5fcc8ae459f3d970f072075720fb25a5bb84029c9765cac0a7d80659257fc3345f2fa75d110a82faec424b018b232a2ca2a7ec
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Filesize
6KB
MD5a1495739f9e2c23583e941264354fb55
SHA13e61cf9d385712ca862d82a6ae483ac0b2ebb22b
SHA25693c91c05d0207bceb58fa43e612bad3767c88d316ee9edc66d3eb02e1ffb5734
SHA5126c205306c3c52170faa7dc295995195d8ae49e1ab32fb64c89478887cea54ee5d917bd9cb98db3ccdb6d6bf23eaae74a04ac4942cead2d7e0c73a566a9941daa
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Filesize
634KB
MD539bca0c0295e43a1d256f93c4bc41a7d
SHA1163629228f4ad397c594ae4acc1162d2990f7d5f
SHA2562e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd
SHA512e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d
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Filesize
634KB
MD539bca0c0295e43a1d256f93c4bc41a7d
SHA1163629228f4ad397c594ae4acc1162d2990f7d5f
SHA2562e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd
SHA512e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d
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Filesize
140B
MD57fea1a097b784f4ec45f03d42de04ad1
SHA1142f44da22123d7f7480a843ca380dafed13efb3
SHA25683db4ebacbf8fbf2f7a452775b73961f3bc60e2fdfaa8c7416aef69c58d8adeb
SHA51241c22dbe49ec3b61ae6ed5491eee5171d4d47b4dc010e73980c8cfa616a81afda7f4de0f24b5c12cafacb017e68db213e62d7158fd9be895e655ea1dc866bf9e
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Filesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
-
Filesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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Filesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a
-
Filesize
5KB
MD5cbe90d55fbc3ca18445d85c74b6cafa1
SHA14ccc5adf57180f80b5837ce5451cf03fc13105fe
SHA256eadbfd90f2b3a0ed811574e774de8738f1b00f87e1309c1e25b879b66e01945a
SHA512a16943a116a9d7c76e16957539bb126453510a058cafa651ed00905b8528f4246494909f2ee6a0c1815b25f706cc554dbd870b8c8f6437c4490b1994ea44f7c5
-
Filesize
617KB
MD5840d829dddf8d035522e4f3547f72799
SHA11f669f414a0935ef806bdb8a93d2755f00104519
SHA256a8405b5162305f768093c227ad9ece6ddd74f6dfe17fd0878a4e64e61e125d42
SHA512e447ed7f6bbaacd8523984bae1584f39c4c38e93abd43d4e25c8056143d3228a3993d7aab8fd92d2e6baf0157a1d8638a1254eed037f3eb64250b6ca586913c7
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Filesize
3KB
MD56fb4d3c40d62e1e378e92280f2cd93a4
SHA1cdcd20abfab5c8f24b0bf2e24b43930a33b4d147
SHA256ffe3ee2134494c6e175cf01e0fc518402384a1f79a46a37f441e6e3c74183983
SHA512960ecc2ce3d9ee0a828780d0770a4966211a55c8587e36b460c3c5d2bf7a338bd538c13bb07e93b647b5c1056fc0c14f90cf59a4b13508350922cda38ab6538d
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Filesize
697KB
MD509b1827343abfccf344d2b04268c1b87
SHA11c60bbd56c0b33be582c3dac053e9b28b94d588b
SHA256a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a
SHA512cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965
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Filesize
617KB
MD5840d829dddf8d035522e4f3547f72799
SHA11f669f414a0935ef806bdb8a93d2755f00104519
SHA256a8405b5162305f768093c227ad9ece6ddd74f6dfe17fd0878a4e64e61e125d42
SHA512e447ed7f6bbaacd8523984bae1584f39c4c38e93abd43d4e25c8056143d3228a3993d7aab8fd92d2e6baf0157a1d8638a1254eed037f3eb64250b6ca586913c7
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Filesize
697KB
MD509b1827343abfccf344d2b04268c1b87
SHA11c60bbd56c0b33be582c3dac053e9b28b94d588b
SHA256a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a
SHA512cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965
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Filesize
697KB
MD509b1827343abfccf344d2b04268c1b87
SHA11c60bbd56c0b33be582c3dac053e9b28b94d588b
SHA256a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a
SHA512cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965
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Filesize
634KB
MD539bca0c0295e43a1d256f93c4bc41a7d
SHA1163629228f4ad397c594ae4acc1162d2990f7d5f
SHA2562e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd
SHA512e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d