Analysis
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max time kernel
42s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 16:30
Static task
static1
Behavioral task
behavioral1
Sample
fcc049812462eb7b424b478a4f7525aacdef8b4b91ccecf2af6bf9fdd9fe5c61.exe
Resource
win7-20220812-en
General
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Target
fcc049812462eb7b424b478a4f7525aacdef8b4b91ccecf2af6bf9fdd9fe5c61.exe
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Size
931KB
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MD5
bc3dab6c698df9597819c6d7babbf75c
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SHA1
3b6794b01a1f138b0ffacb5024c52e308e9b496c
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SHA256
fcc049812462eb7b424b478a4f7525aacdef8b4b91ccecf2af6bf9fdd9fe5c61
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SHA512
28eda6d4adf79dde1b2e05416f7a283e53b7f9941f3cfa74877d1acaac2c0f4609879bb0b80eb55d005421e9d1fe74252459c7d41da0861bda6e1f6639794282
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SSDEEP
24576:h1OYdaOuCZ/iWCvu/2sWsJA/jlt+DHhsd:h1OsUCpYO/dJJDHhsd
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
Inyf0hLumCurhom.exepid process 864 Inyf0hLumCurhom.exe -
Loads dropped DLL 1 IoCs
Processes:
fcc049812462eb7b424b478a4f7525aacdef8b4b91ccecf2af6bf9fdd9fe5c61.exepid process 1752 fcc049812462eb7b424b478a4f7525aacdef8b4b91ccecf2af6bf9fdd9fe5c61.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
Processes:
Inyf0hLumCurhom.exedescription ioc process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\ihkeabjbbhmgfgjpinfpfplbidnnakhp\2.0\manifest.json Inyf0hLumCurhom.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\ihkeabjbbhmgfgjpinfpfplbidnnakhp\2.0\manifest.json Inyf0hLumCurhom.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\ihkeabjbbhmgfgjpinfpfplbidnnakhp\2.0\manifest.json Inyf0hLumCurhom.exe -
Drops file in System32 directory 4 IoCs
Processes:
Inyf0hLumCurhom.exedescription ioc process File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol Inyf0hLumCurhom.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI Inyf0hLumCurhom.exe File opened for modification C:\Windows\System32\GroupPolicy Inyf0hLumCurhom.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini Inyf0hLumCurhom.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
Inyf0hLumCurhom.exepid process 864 Inyf0hLumCurhom.exe 864 Inyf0hLumCurhom.exe 864 Inyf0hLumCurhom.exe 864 Inyf0hLumCurhom.exe 864 Inyf0hLumCurhom.exe 864 Inyf0hLumCurhom.exe 864 Inyf0hLumCurhom.exe 864 Inyf0hLumCurhom.exe 864 Inyf0hLumCurhom.exe 864 Inyf0hLumCurhom.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
Inyf0hLumCurhom.exedescription pid process Token: SeDebugPrivilege 864 Inyf0hLumCurhom.exe Token: SeDebugPrivilege 864 Inyf0hLumCurhom.exe Token: SeDebugPrivilege 864 Inyf0hLumCurhom.exe Token: SeDebugPrivilege 864 Inyf0hLumCurhom.exe Token: SeDebugPrivilege 864 Inyf0hLumCurhom.exe Token: SeDebugPrivilege 864 Inyf0hLumCurhom.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
fcc049812462eb7b424b478a4f7525aacdef8b4b91ccecf2af6bf9fdd9fe5c61.exedescription pid process target process PID 1752 wrote to memory of 864 1752 fcc049812462eb7b424b478a4f7525aacdef8b4b91ccecf2af6bf9fdd9fe5c61.exe Inyf0hLumCurhom.exe PID 1752 wrote to memory of 864 1752 fcc049812462eb7b424b478a4f7525aacdef8b4b91ccecf2af6bf9fdd9fe5c61.exe Inyf0hLumCurhom.exe PID 1752 wrote to memory of 864 1752 fcc049812462eb7b424b478a4f7525aacdef8b4b91ccecf2af6bf9fdd9fe5c61.exe Inyf0hLumCurhom.exe PID 1752 wrote to memory of 864 1752 fcc049812462eb7b424b478a4f7525aacdef8b4b91ccecf2af6bf9fdd9fe5c61.exe Inyf0hLumCurhom.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fcc049812462eb7b424b478a4f7525aacdef8b4b91ccecf2af6bf9fdd9fe5c61.exe"C:\Users\Admin\AppData\Local\Temp\fcc049812462eb7b424b478a4f7525aacdef8b4b91ccecf2af6bf9fdd9fe5c61.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Users\Admin\AppData\Local\Temp\7zSF900.tmp\Inyf0hLumCurhom.exe.\Inyf0hLumCurhom.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:864
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\7zSF900.tmp\[email protected]\bootstrap.js
Filesize2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zSF900.tmp\[email protected]\chrome.manifest
Filesize35B
MD51054aa82a70061ebec96479aee4b2a26
SHA12dc5a5950e66eb0074c69131d4152ef511c73d14
SHA2563cfbebb7a99942113cc493f31d4eda64cbe32eb40559dcfb82aa46455c72d5d9
SHA512cd6ba7a48d1a18a91f57785f15eb2134eaaabee23191290d765096b50fc4e94ab1ebd5908e915768f5842b944c6d3a7fdd705d103f86b98d245dc0b7043f9738
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C:\Users\Admin\AppData\Local\Temp\7zSF900.tmp\[email protected]\content\bg.js
Filesize8KB
MD561005bdb0f050f5f7d5575d21bb77de9
SHA1b5d249435f40f53c651b80251f6d5e4e798c9e08
SHA256e3b3acbae2e1bade73eb0571720f09304ce734931a8c0f1e7ebfeab2e3dfaa16
SHA512122a5be5da271d1a6cee1550c23bda2641fe1f28377d81b0e8ebd7f877ca3dd12a80b9159f2ae497cc4dc1fb69e72260fcdc6a38dd6bbc3ea90f28a2eec6223d
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C:\Users\Admin\AppData\Local\Temp\7zSF900.tmp\[email protected]\install.rdf
Filesize591B
MD5d0033e4be0e27e1314fd8c213e3e61b8
SHA112fbe25e04dff988757ad5214cd9942315bbbff2
SHA2564cc9367f2a61a9bc4439e35647c27b6a42adb631e03dfe6512df7ffad96d2ea6
SHA512a459b7008ffe1a34151765a3f25346a86956fdae312d29e95a18cdfcf9fbebd6a75ef7c398d5753525c97d5dd49dad2e54db4eaa34fb236c4009cbf2246b391c
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Filesize
1KB
MD57e9fa75c22d772e534c5dc2298b350fa
SHA15234ec51ba0b07c0694ad204d576e69994c212ec
SHA256e441d2ff6f3050513b6de90c72da1ad5f093260b03f5ca05f1a474c1beb2163b
SHA512301f89c20f1089c3d76862f3cfbb2c6a7ab674dff4ef2b255f3a09d608baee25db03f8368297a28292ef53bd21ecbc884e351293a0bf93c6661f14852f84a37d
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Filesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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Filesize
147B
MD5859fadc79793451f2495e3566e17acd2
SHA1775d337035ca789038874bd6bdab420e0c3cd4bc
SHA2560bf8556358e3812a933491a06fc5ea8e315d04e14e52046d633433599777b052
SHA5125ca0152c7ecec1743325b02c3743da3c0b68ded175133f9821d262412996150913eefe300b6687b7a079943a48282dd79694bcbfba799d3686d77362fc888778
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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
6KB
MD51ac9a5222df7d1af8337f00666e56634
SHA1a4161bf8c48a407a3ca6214280389ba508116416
SHA256846a6c3cd56632b4d99bb4b92f0091206d2fd5b05c6be4598d06b5ac2815f3bd
SHA512699e12d5c1067c6e5f0b309dc4d220f78b40937c35bb462c61ba04f5b7fd3d3946304413fd406d36d6a637faef9701a02d7073fe3adcea85350c7bc6c521455c
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Filesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db