Analysis
-
max time kernel
120s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25-12-2023 10:55
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
18cf3c014b3649b6c547de8c972084cd.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
18cf3c014b3649b6c547de8c972084cd.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
18cf3c014b3649b6c547de8c972084cd.exe
-
Size
60KB
-
MD5
18cf3c014b3649b6c547de8c972084cd
-
SHA1
a2590f84115425760bf338a554f93660bada763d
-
SHA256
cf26b8f4cac3ed9dbccbeafb2558f27e22d0a9fe582b52161120d8648573b4ff
-
SHA512
5e04dea6168fb20811eceacdaf577fa4cd6052798bc74ee6ecafefbfe587e642b9ecc3b77bb35c65cbfa716ed1c2e21fe5dfb2ed4938f650125c413043b007d3
-
SSDEEP
768:XPHYFF2avu8FKPWK6wsY3XK8ntdutZl/L55dpr/KiJyFd/Fl:/4FcavHUWCnGHll5vLKbFdr
Score
6/10
Malware Config
Signatures
-
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 18cf3c014b3649b6c547de8c972084cd.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{16DBDEA1-A521-11EE-88BA-CA8D9A91D956} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe -
Modifies registry class 14 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\command\ = "%SystemRoot%\\Explorer.exe /idlist,%I,%L" regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\ = "[ViewFolder(\"%l\", %I, %S)]" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\ifexec regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\topic\ = "AppProperties" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open regedit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\BrowserFlags = "16" regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\NoActivateHandler regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\application regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\ifexec\ = "[]" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\topic regedit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ExplorerFlags = "18" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\command regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\open\ddeexec\application\ = "Folders" regedit.exe -
Runs .reg file with regedit 1 IoCs
pid Process 2296 regedit.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2516 18cf3c014b3649b6c547de8c972084cd.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2720 iexplore.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2516 18cf3c014b3649b6c547de8c972084cd.exe 2720 iexplore.exe 2720 iexplore.exe 2696 IEXPLORE.EXE 2696 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2516 wrote to memory of 2320 2516 18cf3c014b3649b6c547de8c972084cd.exe 28 PID 2516 wrote to memory of 2320 2516 18cf3c014b3649b6c547de8c972084cd.exe 28 PID 2516 wrote to memory of 2320 2516 18cf3c014b3649b6c547de8c972084cd.exe 28 PID 2516 wrote to memory of 2320 2516 18cf3c014b3649b6c547de8c972084cd.exe 28 PID 2516 wrote to memory of 2720 2516 18cf3c014b3649b6c547de8c972084cd.exe 31 PID 2516 wrote to memory of 2720 2516 18cf3c014b3649b6c547de8c972084cd.exe 31 PID 2516 wrote to memory of 2720 2516 18cf3c014b3649b6c547de8c972084cd.exe 31 PID 2516 wrote to memory of 2720 2516 18cf3c014b3649b6c547de8c972084cd.exe 31 PID 2320 wrote to memory of 2296 2320 cmd.exe 30 PID 2320 wrote to memory of 2296 2320 cmd.exe 30 PID 2320 wrote to memory of 2296 2320 cmd.exe 30 PID 2320 wrote to memory of 2296 2320 cmd.exe 30 PID 2720 wrote to memory of 2696 2720 iexplore.exe 32 PID 2720 wrote to memory of 2696 2720 iexplore.exe 32 PID 2720 wrote to memory of 2696 2720 iexplore.exe 32 PID 2720 wrote to memory of 2696 2720 iexplore.exe 32
Processes
-
C:\Users\Admin\AppData\Local\Temp\18cf3c014b3649b6c547de8c972084cd.exe"C:\Users\Admin\AppData\Local\Temp\18cf3c014b3649b6c547de8c972084cd.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2516 -
C:\Windows\SysWOW64\cmd.execmd.exe /c regedit /s "C:\Users\Admin\AppData\Local\Temp\getback.reg"2⤵
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Windows\SysWOW64\regedit.exeregedit /s "C:\Users\Admin\AppData\Local\Temp\getback.reg"3⤵
- Modifies registry class
- Runs .reg file with regedit
PID:2296
-
-
-
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" http://union.wanwan.cc/Stat.ashx?Mac=CA8D0091D956&Hard=QM00013&ClientType=Home&Process=30&UserID=0002&Authen=786-4652⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2720 CREDAT:275457 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2696
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD5626e2d76f5c328d57a3eff6a7f94d129
SHA1210fd33fa005775b30a8fd40a065a2e788934216
SHA2565d9ae4b62924d6da9c35305bfd0d61c893767b7113f8b2f239da02057f8bee6e
SHA512629290bd5791a42327b3b70a68609c6b0b9114365be8579553e01e6cbc98996c0fab475b88c0dd80d34dcc325453401c6cce26fb70ed67a9cb08271a07fd85a1