Analysis
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max time kernel
150s -
max time network
43s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
27-06-2022 02:18
Static task
static1
Behavioral task
behavioral1
Sample
MEMZ.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
MEMZ.exe
Resource
win10-20220414-en
General
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Target
MEMZ.exe
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Size
12KB
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MD5
a7bcf7ea8e9f3f36ebfb85b823e39d91
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SHA1
761168201520c199dba68add3a607922d8d4a86e
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SHA256
3ff64f10603f0330fa2386ff99471ca789391ace969bd0ec1c1b8ce1b4a6db42
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SHA512
89923b669d31e590189fd06619bf27e47c5a47e82be6ae71fdb1b9b3b30b06fb7ca8ffed6d5c41ac410a367f2eb07589291e95a2644877d6bffd52775a5b1523
Malware Config
Signatures
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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.
Processes:
MEMZ.exedescription ioc process File opened for modification \??\PhysicalDrive0 MEMZ.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\PendingDelete\C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\{41A11083-F5D0-11EC-AEC7-66E616BC8074}.dat = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{41A11081-F5D0-11EC-AEC7-66E616BC8074} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\PendingDelete iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\MINIE iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
MEMZ.exeMEMZ.exeMEMZ.exeMEMZ.exeMEMZ.exepid process 1480 MEMZ.exe 1560 MEMZ.exe 1308 MEMZ.exe 1740 MEMZ.exe 1088 MEMZ.exe 1480 MEMZ.exe 1560 MEMZ.exe 1308 MEMZ.exe 1740 MEMZ.exe 1088 MEMZ.exe 1480 MEMZ.exe 1560 MEMZ.exe 1308 MEMZ.exe 1740 MEMZ.exe 1088 MEMZ.exe 1480 MEMZ.exe 1560 MEMZ.exe 1308 MEMZ.exe 1740 MEMZ.exe 1088 MEMZ.exe 1480 MEMZ.exe 1560 MEMZ.exe 1308 MEMZ.exe 1740 MEMZ.exe 1088 MEMZ.exe 1480 MEMZ.exe 1560 MEMZ.exe 1308 MEMZ.exe 1740 MEMZ.exe 1088 MEMZ.exe 1480 MEMZ.exe 1560 MEMZ.exe 1308 MEMZ.exe 1740 MEMZ.exe 1088 MEMZ.exe 1480 MEMZ.exe 1560 MEMZ.exe 1308 MEMZ.exe 1740 MEMZ.exe 1088 MEMZ.exe 1480 MEMZ.exe 1560 MEMZ.exe 1308 MEMZ.exe 1740 MEMZ.exe 1088 MEMZ.exe 1480 MEMZ.exe 1560 MEMZ.exe 1308 MEMZ.exe 1740 MEMZ.exe 1088 MEMZ.exe 1480 MEMZ.exe 1560 MEMZ.exe 1308 MEMZ.exe 1740 MEMZ.exe 1088 MEMZ.exe 1480 MEMZ.exe 1560 MEMZ.exe 1308 MEMZ.exe 1740 MEMZ.exe 1088 MEMZ.exe 1480 MEMZ.exe 1560 MEMZ.exe 1308 MEMZ.exe 1740 MEMZ.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
AUDIODG.EXEdescription pid process Token: 33 1648 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1648 AUDIODG.EXE Token: 33 1648 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1648 AUDIODG.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 1596 iexplore.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 1596 iexplore.exe 1596 iexplore.exe 1624 IEXPLORE.EXE 1624 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
MEMZ.exeMEMZ.exeiexplore.exedescription pid process target process PID 1936 wrote to memory of 1480 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 1480 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 1480 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 1480 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 1560 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 1560 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 1560 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 1560 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 1308 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 1308 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 1308 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 1308 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 1740 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 1740 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 1740 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 1740 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 1088 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 1088 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 1088 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 1088 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 960 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 960 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 960 1936 MEMZ.exe MEMZ.exe PID 1936 wrote to memory of 960 1936 MEMZ.exe MEMZ.exe PID 960 wrote to memory of 272 960 MEMZ.exe notepad.exe PID 960 wrote to memory of 272 960 MEMZ.exe notepad.exe PID 960 wrote to memory of 272 960 MEMZ.exe notepad.exe PID 960 wrote to memory of 272 960 MEMZ.exe notepad.exe PID 960 wrote to memory of 1596 960 MEMZ.exe iexplore.exe PID 960 wrote to memory of 1596 960 MEMZ.exe iexplore.exe PID 960 wrote to memory of 1596 960 MEMZ.exe iexplore.exe PID 960 wrote to memory of 1596 960 MEMZ.exe iexplore.exe PID 1596 wrote to memory of 1624 1596 iexplore.exe IEXPLORE.EXE PID 1596 wrote to memory of 1624 1596 iexplore.exe IEXPLORE.EXE PID 1596 wrote to memory of 1624 1596 iexplore.exe IEXPLORE.EXE PID 1596 wrote to memory of 1624 1596 iexplore.exe IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\MEMZ.exe"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\MEMZ.exe"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog2⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Temp\MEMZ.exe"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog2⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Temp\MEMZ.exe"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog2⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Temp\MEMZ.exe"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog2⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Temp\MEMZ.exe"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog2⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Temp\MEMZ.exe"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /main2⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\notepad.exe"C:\Windows\System32\notepad.exe" \note.txt3⤵
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" https://google.co.ck/search?q=how+to+remove+memz+trojan+virus3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1596 CREDAT:275457 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x5241⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\note.txtFilesize
218B
MD5afa6955439b8d516721231029fb9ca1b
SHA1087a043cc123c0c0df2ffadcf8e71e3ac86bbae9
SHA2568e9f20f6864c66576536c0b866c6ffdcf11397db67fe120e972e244c3c022270
SHA5125da21a31fbc4e8250dffed30f66b896bdf007ac91948140334fe36a3f010e1bac3e70a07e9f3eb9da8633189091fd5cadcabbaacd3e01da0fe7ae28a11b3dddf
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memory/272-67-0x0000000000000000-mapping.dmp
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memory/960-65-0x0000000000000000-mapping.dmp
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memory/1088-63-0x0000000000000000-mapping.dmp
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memory/1308-59-0x0000000000000000-mapping.dmp
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memory/1480-55-0x0000000000000000-mapping.dmp
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memory/1560-57-0x0000000000000000-mapping.dmp
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memory/1740-61-0x0000000000000000-mapping.dmp
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memory/1936-54-0x0000000074DD1000-0x0000000074DD3000-memory.dmpFilesize
8KB