Analysis Overview
SHA256
1f135eeca52d2f7094f4caeada87fdf09e66227f0afc04a53ffb5ac498ed0e63
Threat Level: Shows suspicious behavior
The file dbfc4cc4faf88548b3b1499ba78a324d was found to be: Shows suspicious behavior.
Malicious Activity Summary
Deletes itself
Installs/modifies Browser Helper Object
Unsigned PE
Modifies registry class
Runs .reg file with regedit
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-21 15:37
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-21 15:37
Reported
2024-03-21 15:39
Platform
win7-20240221-en
Max time kernel
122s
Max time network
128s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects | C:\Windows\SysWOW64\regedit.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{C613CE22-151C-4331-94FF-F113A153F66D} | C:\Windows\SysWOW64\regedit.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\SearchScopes | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\IETld\LowMic | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\GPU | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{DDC3C501-E798-11EE-A4EE-CEEE273A2359} = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\InternetRegistry | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Zoom | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\IntelliForms | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\LowRegistry | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\PageSetup | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "417197292" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C613CE22-151C-4331-94FF-F113A153F66D}\InProcServer32 | C:\Windows\SysWOW64\regedit.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C613CE22-151C-4331-94FF-F113A153F66D}\InProcServer32\ = "error" | C:\Windows\SysWOW64\regedit.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C613CE22-151C-4331-94FF-F113A153F66D} | C:\Windows\SysWOW64\regedit.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C613CE22-151C-4331-94FF-F113A153F66D}\InProcServer32 | C:\Windows\SysWOW64\regedit.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C613CE22-151C-4331-94FF-F113A153F66D}\InProcServer32\ = "c:\\sysdump.dll" | C:\Windows\SysWOW64\regedit.exe | N/A |
Runs .reg file with regedit
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\regedit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\regedit.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\dbfc4cc4faf88548b3b1499ba78a324d.exe
"C:\Users\Admin\AppData\Local\Temp\dbfc4cc4faf88548b3b1499ba78a324d.exe"
C:\Windows\SysWOW64\regedit.exe
regedit -S c:\temp1.reg
C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" %1
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1948 CREDAT:275457 /prefetch:2
C:\Windows\SysWOW64\regedit.exe
regedit -S c:\temp2.reg
C:\Windows\SysWOW64\cmd.exe
cmd /c c:\temp2.bat
C:\Windows\SysWOW64\cmd.exe
cmd /c c:\temp1.bat
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | api.bing.com | udp |
| US | 204.79.197.200:443 | ieonline.microsoft.com | tcp |
| US | 204.79.197.200:443 | ieonline.microsoft.com | tcp |
| US | 204.79.197.200:443 | ieonline.microsoft.com | tcp |
Files
memory/2528-2-0x0000000000400000-0x0000000000404000-memory.dmp
\??\c:\temp1.reg
| MD5 | 492eb2c8ff983e87c95ca5a704c6f5b8 |
| SHA1 | 8677a4e0d606a526b1c90f180116dea7a6bcb0de |
| SHA256 | 9f0388e16d77a4560acfe712ab8a8c6a171c5d369c4134cd3af9bec658bbd431 |
| SHA512 | ded2c5fa380fcfaa346dcb33a0775cc476ee7f152b0b54ed34b3e97958e200f1f9f01ed546adc2241d2462cfaf39e9e273eaba04cb2efcfbf7085ba9251acd6e |
\??\c:\temp2.reg
| MD5 | 6fdc273e79d8888a813c762aa55edc39 |
| SHA1 | a3e72c4eaf143697e3c1a29c8b1c223c121e1d58 |
| SHA256 | e0eb2406ae229d4df0d3ff5bb8f9bd907aa947b51fdbb6bed1a3238852849f6c |
| SHA512 | 370125ded5b43b67cfc8f28363086fc9b2c85c6fe53ab1e5e00281cf87292650b2abe7bf9420631ca405f4c7e213bed00c53432329cc5f7d6d1f615a02a1f253 |
C:\temp1.bat
| MD5 | 8888fe593e69fe3f4c48f6e207c42d79 |
| SHA1 | fc12cef7cb590481c312387af3dcef3436cca234 |
| SHA256 | 91805ee2ff3812326e4341b30676be14377442d65f5377fb14643a80b75ef264 |
| SHA512 | 4cecf7657ba257c172238a5ca67c998d85f94b2fac439da83a21a41161363d7bdab6b024c4000e46661bdbb0a3f7e87bd5a75a6d696c66c7f53cac770677f7e8 |
C:\temp2.bat
| MD5 | b9975d30ddbd098a754312e16f744ec6 |
| SHA1 | 9d41e8816bf8f8aa48356c99af46e64947a0d2ef |
| SHA256 | 6e4f3dd8bf9469f50bd04878da2bb005a9df85192a5c7428b4477cecbfd4747c |
| SHA512 | 5bdca7782ebe7a2d919c7c096d0b2e9927c68044a5ca802ce7a43e6d4d62fda7b5d7620a1154e640c9946def1b13539a948a58bf13697f897748dc66e3406c02 |
memory/2528-20-0x0000000000400000-0x0000000000404000-memory.dmp
\??\c:\sysdump.dll
| MD5 | f7982deb1be471edb1aef54b4bbaf109 |
| SHA1 | e44f8cedb550fe75510809c6181a609ad957c06b |
| SHA256 | 011ab7c538a7581b0c327fbb9ca5bf578f266fec317af2a9286b5733d50a8e1c |
| SHA512 | a89cb5f9939b66d881893b1ad94467d88d4af71541c57ec8cbad46f7023bf3ae4243459545f37946810a96aa81e68d67851b48857523433163aecceadcb80eac |
C:\Users\Admin\AppData\Local\Temp\Cab346A.tmp
| MD5 | ac05d27423a85adc1622c714f2cb6184 |
| SHA1 | b0fe2b1abddb97837ea0195be70ab2ff14d43198 |
| SHA256 | c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d |
| SHA512 | 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
| MD5 | 753df6889fd7410a2e9fe333da83a429 |
| SHA1 | 3c425f16e8267186061dd48ac1c77c122962456e |
| SHA256 | b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78 |
| SHA512 | 9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444 |
C:\Users\Admin\AppData\Local\Temp\Tar3647.tmp
| MD5 | dd73cead4b93366cf3465c8cd32e2796 |
| SHA1 | 74546226dfe9ceb8184651e920d1dbfb432b314e |
| SHA256 | a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22 |
| SHA512 | ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 60374d562a16f8d5812168604fd12e75 |
| SHA1 | 281a9000a90d7eeebcb6e4aec16668ca6247207d |
| SHA256 | dc357924ddc494794ad72e54570bd3611693e2d21b1a30e6f4fdf5873be566f9 |
| SHA512 | 310bbbf71ba373d7d3a6ba79d9b43833e61edda8b456e66d2de3ee89c0a7cb3b6a9b37f17432fbd80840633e9119a84163d01f30605b15655825851eab2fbc71 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 17c17e8f749c8dea56131422a8b02f0b |
| SHA1 | 85e273b6d949b31bf36a378c0e627c016f9c3b50 |
| SHA256 | c0e5ffa7c8704166a5bbd5785034c65634646305ffda4bc728a69ce6c66009ca |
| SHA512 | a07ff4fa2217f2a47ca9ce4d6742160b07aedde35cd30795700434e4d1ab8032c98f92de733f906453810cebcf28ffaa2624feb3dfee141023cb479a65159905 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | b5ff14b380e57ce662e27e431b761430 |
| SHA1 | dc5a796453d7ac57249231085419d8aae521d902 |
| SHA256 | 9f08f5f83cebefa2bb4d876c2c9d0205a9d74134ece14860bec2be164fed60b5 |
| SHA512 | 84de5dde0dbfe249430d8175385d1486b0232b76ece1ff1e88c83ba42fc586b39558fd8d16c626703a3dbfa0962193a886c87d4d64c59d30929c3b792d9cccea |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 8909653820ca8b5598af545d60f2117c |
| SHA1 | c6af8067ba34973398b2e984afda55aab6febfd1 |
| SHA256 | e56ef4421d1b7e27564b15291e59aa2f47f691a4650b6a4cdd54d865e0614d61 |
| SHA512 | 65c24bcee78c2faaea54b5fe29ce69301c703bc3d87d9780df0c5991e4ebe538275d9ec5198becf7e288be0def395bb96ad22fe1ec2482b61f0261f57bb30d0e |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 8060f1b7d4e2bbab30a1a182b7e2ba71 |
| SHA1 | 65f3ce8b8fe1a2e19054e6f2acdc429464f57d45 |
| SHA256 | 9c4a361a35dd6bdd36deed841b7d03c79df9ef708149d85e02c406f56368b8d0 |
| SHA512 | a86b508c0327b6ec4c39828597592329123f2871c3b1807629b26a6c779acc6dc69cbe2b04d16afe834d3e347bc37db7f925e80fc706d644b2e661d329622d2a |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | c2574589d9e99d7655c000e46ca2f7b9 |
| SHA1 | 514e73beeded71ca840097cef8bf564052e98224 |
| SHA256 | a0a3194c94c3acee79c771cf5563edc12bc4468c11788f57d406701123659697 |
| SHA512 | f77d8eb7ae26362c0dd199e9cb19b7bcaa110449285abc3d0e7eb6e3225f7e33d4a4a3f7ffaf680504e7e8999e1e82fd76aebd7730261aa1adf9645212568a83 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 6f4fb96afdb439121bd6d676cb0f8056 |
| SHA1 | 9ad243b005b6c601cacecfcf9c0c66bc3e272422 |
| SHA256 | fb21e9925a1ef65d26ffba6860040a1916f9fb169fcf7a977c7fdc74b69cef94 |
| SHA512 | a347a0b03646e2c26b6bd83a77bd04e8f328fda560ad85aef14998229b0f4d8c6f212262ab038650ca3b84ab91e52cbd2b0a0340f0a4af6e4c7496a3236b1a8e |
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-21 15:37
Reported
2024-03-21 15:39
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects | C:\Windows\SysWOW64\regedit.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{C613CE22-151C-4331-94FF-F113A153F66D} | C:\Windows\SysWOW64\regedit.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2999438723" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\GPU | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31095717" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31095717" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\VersionManager | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DE67CBBD-E798-11EE-87B8-D28C415B03FA} = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2999438723" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "417800399" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\VersionManager | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31095717" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3002876192" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C613CE22-151C-4331-94FF-F113A153F66D}\InProcServer32 | C:\Windows\SysWOW64\regedit.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C613CE22-151C-4331-94FF-F113A153F66D}\InProcServer32\ = "c:\\sysdump.dll" | C:\Windows\SysWOW64\regedit.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C613CE22-151C-4331-94FF-F113A153F66D}\InProcServer32 | C:\Windows\SysWOW64\regedit.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C613CE22-151C-4331-94FF-F113A153F66D}\InProcServer32\ = "error" | C:\Windows\SysWOW64\regedit.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C613CE22-151C-4331-94FF-F113A153F66D} | C:\Windows\SysWOW64\regedit.exe | N/A |
Runs .reg file with regedit
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\regedit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\regedit.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\dbfc4cc4faf88548b3b1499ba78a324d.exe
"C:\Users\Admin\AppData\Local\Temp\dbfc4cc4faf88548b3b1499ba78a324d.exe"
C:\Windows\SysWOW64\regedit.exe
regedit -S c:\temp1.reg
C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" %1
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2172 CREDAT:17410 /prefetch:2
C:\Windows\SysWOW64\regedit.exe
regedit -S c:\temp2.reg
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c c:\temp2.bat
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c c:\temp1.bat
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.bing.com | udp |
| US | 8.8.8.8:53 | 35.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.5.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 161.19.199.152.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 33.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.178.17.96.in-addr.arpa | udp |
| US | 204.79.197.200:443 | ieonline.microsoft.com | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
Files
memory/4700-0-0x0000000000400000-0x0000000000404000-memory.dmp
\??\c:\temp1.reg
| MD5 | 492eb2c8ff983e87c95ca5a704c6f5b8 |
| SHA1 | 8677a4e0d606a526b1c90f180116dea7a6bcb0de |
| SHA256 | 9f0388e16d77a4560acfe712ab8a8c6a171c5d369c4134cd3af9bec658bbd431 |
| SHA512 | ded2c5fa380fcfaa346dcb33a0775cc476ee7f152b0b54ed34b3e97958e200f1f9f01ed546adc2241d2462cfaf39e9e273eaba04cb2efcfbf7085ba9251acd6e |
\??\c:\temp2.reg
| MD5 | 6fdc273e79d8888a813c762aa55edc39 |
| SHA1 | a3e72c4eaf143697e3c1a29c8b1c223c121e1d58 |
| SHA256 | e0eb2406ae229d4df0d3ff5bb8f9bd907aa947b51fdbb6bed1a3238852849f6c |
| SHA512 | 370125ded5b43b67cfc8f28363086fc9b2c85c6fe53ab1e5e00281cf87292650b2abe7bf9420631ca405f4c7e213bed00c53432329cc5f7d6d1f615a02a1f253 |
memory/4700-10-0x0000000000400000-0x0000000000404000-memory.dmp
\??\c:\sysdump.dll
| MD5 | f7982deb1be471edb1aef54b4bbaf109 |
| SHA1 | e44f8cedb550fe75510809c6181a609ad957c06b |
| SHA256 | 011ab7c538a7581b0c327fbb9ca5bf578f266fec317af2a9286b5733d50a8e1c |
| SHA512 | a89cb5f9939b66d881893b1ad94467d88d4af71541c57ec8cbad46f7023bf3ae4243459545f37946810a96aa81e68d67851b48857523433163aecceadcb80eac |
\??\c:\temp1.bat
| MD5 | 8888fe593e69fe3f4c48f6e207c42d79 |
| SHA1 | fc12cef7cb590481c312387af3dcef3436cca234 |
| SHA256 | 91805ee2ff3812326e4341b30676be14377442d65f5377fb14643a80b75ef264 |
| SHA512 | 4cecf7657ba257c172238a5ca67c998d85f94b2fac439da83a21a41161363d7bdab6b024c4000e46661bdbb0a3f7e87bd5a75a6d696c66c7f53cac770677f7e8 |
\??\c:\temp2.bat
| MD5 | b9975d30ddbd098a754312e16f744ec6 |
| SHA1 | 9d41e8816bf8f8aa48356c99af46e64947a0d2ef |
| SHA256 | 6e4f3dd8bf9469f50bd04878da2bb005a9df85192a5c7428b4477cecbfd4747c |
| SHA512 | 5bdca7782ebe7a2d919c7c096d0b2e9927c68044a5ca802ce7a43e6d4d62fda7b5d7620a1154e640c9946def1b13539a948a58bf13697f897748dc66e3406c02 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PL0BY74L\suggestions[1].en-US
| MD5 | 5a34cb996293fde2cb7a4ac89587393a |
| SHA1 | 3c96c993500690d1a77873cd62bc639b3a10653f |
| SHA256 | c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad |
| SHA512 | e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee |