Analysis
- max time kernel
140s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
09/03/2024, 21:37
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
bcde427f2e954f4741dd1d07efba8357.exe
Resource
win7-20240221-en
windows7-x64
0 signatures
150 seconds
Behavioral task
behavioral2
Sample
bcde427f2e954f4741dd1d07efba8357.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
6 signatures
150 seconds
General
- Target bcde427f2e954f4741dd1d07efba8357.exe
- Size 23KB
- Sample240309-1gz3dsbc37
- SHA256 cddf9db7a72c67ecc471b2d9f9571851fc7e3c8d2fbfbaf8966126c00a565f5e
- MD5 bcde427f2e954f4741dd1d07efba8357
- SHA1 06704da8f7c2f6d37180c37e90b2b3b21608d1f3
- SHA512 b679405808994f4f77ea952eb18ffabbf8a35da322b158ebd45842f7c8ebe4ec578fa73ed21a46911a7b32251829e9ecbc9044f2f76721203e4147134e9f3a9a
- SSDEEP 384:CitZEGOubkGWXiaFERAS9SBR93qjyoZm6ek3MgJu/wV0u6PsSyjnayFxDfp:CsEiWXiVAN9ajfZm1xgUoV01sSyjnttp
- MD5 SHA1 SHA512 SSDEEP
Score
6/10
Malware Config
Signatures
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Windows\\system32\\intenat.exe" bcde427f2e954f4741dd1d07efba8357.exe - Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\intenat.exe bcde427f2e954f4741dd1d07efba8357.exe File opened for modification C:\Windows\SysWOW64\intenat.exe bcde427f2e954f4741dd1d07efba8357.exe File created C:\Windows\SysWOW64\Deleteme.bat bcde427f2e954f4741dd1d07efba8357.exe -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "647032417" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31093354" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31093354" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "416785270" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{52086375-DE5D-11EE-ABF1-EA08C850D01B} = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "650782328" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31093354" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "650782328" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "647032417" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31093354" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1340 IEXPLORE.EXE - Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1340 IEXPLORE.EXE 1340 IEXPLORE.EXE 3568 IEXPLORE.EXE 3568 IEXPLORE.EXE 3568 IEXPLORE.EXE 3568 IEXPLORE.EXE - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4828 wrote to memory of 2324 4828 bcde427f2e954f4741dd1d07efba8357.exe 92 PID 4828 wrote to memory of 2324 4828 bcde427f2e954f4741dd1d07efba8357.exe 92 PID 4828 wrote to memory of 2324 4828 bcde427f2e954f4741dd1d07efba8357.exe 92 PID 4828 wrote to memory of 1340 4828 bcde427f2e954f4741dd1d07efba8357.exe 93 PID 4828 wrote to memory of 1340 4828 bcde427f2e954f4741dd1d07efba8357.exe 93 PID 1340 wrote to memory of 3568 1340 IEXPLORE.EXE 95 PID 1340 wrote to memory of 3568 1340 IEXPLORE.EXE 95 PID 1340 wrote to memory of 3568 1340 IEXPLORE.EXE 95 PID 4828 wrote to memory of 1340 4828 bcde427f2e954f4741dd1d07efba8357.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\bcde427f2e954f4741dd1d07efba8357.exe"C:\Users\Admin\AppData\Local\Temp\bcde427f2e954f4741dd1d07efba8357.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4828 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\system32\Deleteme.bat2⤵PID:2324
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C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1340 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1340 CREDAT:17410 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3568
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verD476.tmp
- Size 15KB
- SHA256 557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
- MD5 1a545d0052b581fbb2ab4c52133846bc
- SHA1 62f3266a9b9925cd6d98658b92adec673cbe3dd3
- SHA512 bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d
- SSDEEP 384:79Jv9DF9/C9qc9/J9V791T9TK9Xf9Nm9xQ95a9BR9fV:79Jv9DF9/C9qc9/J9V791T9TK9Xf9NmT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RXB2E2AL\suggestions[1].en-US
- Size 17KB
- SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
- MD5 5a34cb996293fde2cb7a4ac89587393a
- SHA1 3c96c993500690d1a77873cd62bc639b3a10653f
- SHA512 e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
- SSDEEP 384:K4gN8sGygaEKfWYSJUKbO7UckxtBjCdY7mO3D0C5l+piEieDSV126ry1/XSGKwG3:K4gNFXiKfWfJ1Kockxbd7mAt5Mp5ie2F
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\Deleteme.bat
- Size 184B
- SHA256 67b8a7d7ce66b64e3b18fa8622fbf1fc86e4bd60ebc6ef31416aadcafde1a700
- MD5 a38092ea62cf2da952b426f6f9108149
- SHA1 1388d3cdc34d838db8c5634f26d407ebeb976f4f
- SHA512 5630a93d7e1a65c60561ec85cf5ea9cfbecdd706a5756c0705e81d804f3d95159dd1350f02b9c4bfef01bfc3b9761690c17e977cba91ea9dfc60d839dc85b7a6
- MD5 SHA1 SHA512