Analysis
- max time kernel
43s - max time network
35s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
27/01/2025, 15:44
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
MEMZ.exe
Resource
win7-20240903-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
MEMZ.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
11 signatures
150 seconds
Errors
Reason
Machine shutdown
General
- Target MEMZ.exe
- Size 16KB
- Sample250127-s6y8dsvrbz
- SHA256 3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff
- MD5 1d5ad9c8d3fee874d0feb8bfac220a11
- SHA1 ca6d3f7e6c784155f664a9179ca64e4034df9595
- SHA512 c8246f4137416be33b6d1ac89f2428b7c44d9376ac8489a9fbf65ef128a6c53fb50479e1e400c8e201c8611992ab1d6c1bd3d6cece89013edb4d35cdd22305b1
- SSDEEP 192:M2WgyvSW8gRc6olcIEiwqZKBkDFR43xWTM3LHf26gFrcx3sNq:JWgnSmFlcIqq3agmLH+6gF23sN
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation MEMZ.exe Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation MEMZ.exe - 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 MEMZ.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MEMZ.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MEMZ.exe - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName taskmgr.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3648 MEMZ.exe 3648 MEMZ.exe 3648 MEMZ.exe 5112 MEMZ.exe 3648 MEMZ.exe 5112 MEMZ.exe 3648 MEMZ.exe 5112 MEMZ.exe 3648 MEMZ.exe 5112 MEMZ.exe 1444 MEMZ.exe 1444 MEMZ.exe 4488 MEMZ.exe 1444 MEMZ.exe 4488 MEMZ.exe 1444 MEMZ.exe 5112 MEMZ.exe 5112 MEMZ.exe 3648 MEMZ.exe 3648 MEMZ.exe 3648 MEMZ.exe 5112 MEMZ.exe 5112 MEMZ.exe 3648 MEMZ.exe 4488 MEMZ.exe 1444 MEMZ.exe 4488 MEMZ.exe 1444 MEMZ.exe 4920 MEMZ.exe 4920 MEMZ.exe 1444 MEMZ.exe 4488 MEMZ.exe 1444 MEMZ.exe 4488 MEMZ.exe 5112 MEMZ.exe 3648 MEMZ.exe 5112 MEMZ.exe 3648 MEMZ.exe 3648 MEMZ.exe 5112 MEMZ.exe 3648 MEMZ.exe 5112 MEMZ.exe 4488 MEMZ.exe 4488 MEMZ.exe 1444 MEMZ.exe 1444 MEMZ.exe 4920 MEMZ.exe 4920 MEMZ.exe 4920 MEMZ.exe 1444 MEMZ.exe 1444 MEMZ.exe 4920 MEMZ.exe 5112 MEMZ.exe 5112 MEMZ.exe 4488 MEMZ.exe 4488 MEMZ.exe 3648 MEMZ.exe 3648 MEMZ.exe 4488 MEMZ.exe 3648 MEMZ.exe 4488 MEMZ.exe 3648 MEMZ.exe 5112 MEMZ.exe 4920 MEMZ.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2812 taskmgr.exe Token: SeSystemProfilePrivilege 2812 taskmgr.exe Token: SeCreateGlobalPrivilege 2812 taskmgr.exe - Suspicious use of FindShellTrayWindow 25 IoCs
pid Process 1084 notepad.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe - Suspicious use of SendNotifyMessage 24 IoCs
pid Process 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe 2812 taskmgr.exe - Suspicious use of SetWindowsHookEx 64 IoCs
pid Process 5112 MEMZ.exe 4488 MEMZ.exe 3648 MEMZ.exe 4920 MEMZ.exe 1444 MEMZ.exe 1444 MEMZ.exe 4920 MEMZ.exe 3648 MEMZ.exe 5112 MEMZ.exe 4488 MEMZ.exe 4920 MEMZ.exe 3648 MEMZ.exe 1444 MEMZ.exe 5112 MEMZ.exe 4488 MEMZ.exe 1444 MEMZ.exe 3648 MEMZ.exe 5112 MEMZ.exe 4920 MEMZ.exe 4488 MEMZ.exe 3648 MEMZ.exe 4920 MEMZ.exe 1444 MEMZ.exe 4488 MEMZ.exe 5112 MEMZ.exe 3648 MEMZ.exe 4920 MEMZ.exe 5112 MEMZ.exe 4488 MEMZ.exe 1444 MEMZ.exe 5112 MEMZ.exe 4488 MEMZ.exe 1444 MEMZ.exe 3648 MEMZ.exe 4920 MEMZ.exe 5112 MEMZ.exe 4488 MEMZ.exe 3648 MEMZ.exe 1444 MEMZ.exe 4920 MEMZ.exe 5112 MEMZ.exe 4488 MEMZ.exe 1444 MEMZ.exe 4920 MEMZ.exe 3648 MEMZ.exe 4920 MEMZ.exe 1444 MEMZ.exe 5112 MEMZ.exe 4488 MEMZ.exe 3648 MEMZ.exe 4488 MEMZ.exe 5112 MEMZ.exe 4920 MEMZ.exe 1444 MEMZ.exe 3648 MEMZ.exe 3648 MEMZ.exe 4920 MEMZ.exe 1444 MEMZ.exe 5112 MEMZ.exe 4488 MEMZ.exe 3648 MEMZ.exe 4920 MEMZ.exe 5112 MEMZ.exe 1444 MEMZ.exe - Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 4196 wrote to memory of 3648 4196 MEMZ.exe 92 PID 4196 wrote to memory of 3648 4196 MEMZ.exe 92 PID 4196 wrote to memory of 3648 4196 MEMZ.exe 92 PID 4196 wrote to memory of 5112 4196 MEMZ.exe 93 PID 4196 wrote to memory of 5112 4196 MEMZ.exe 93 PID 4196 wrote to memory of 5112 4196 MEMZ.exe 93 PID 4196 wrote to memory of 1444 4196 MEMZ.exe 95 PID 4196 wrote to memory of 1444 4196 MEMZ.exe 95 PID 4196 wrote to memory of 1444 4196 MEMZ.exe 95 PID 4196 wrote to memory of 4488 4196 MEMZ.exe 96 PID 4196 wrote to memory of 4488 4196 MEMZ.exe 96 PID 4196 wrote to memory of 4488 4196 MEMZ.exe 96 PID 4196 wrote to memory of 4920 4196 MEMZ.exe 97 PID 4196 wrote to memory of 4920 4196 MEMZ.exe 97 PID 4196 wrote to memory of 4920 4196 MEMZ.exe 97 PID 4196 wrote to memory of 2960 4196 MEMZ.exe 99 PID 4196 wrote to memory of 2960 4196 MEMZ.exe 99 PID 4196 wrote to memory of 2960 4196 MEMZ.exe 99 PID 2960 wrote to memory of 1084 2960 MEMZ.exe 101 PID 2960 wrote to memory of 1084 2960 MEMZ.exe 101 PID 2960 wrote to memory of 1084 2960 MEMZ.exe 101
Processes
-
C:\Users\Admin\AppData\Local\Temp\MEMZ.exe"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4196 -
C:\Users\Admin\AppData\Local\Temp\MEMZ.exe"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3648
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C:\Users\Admin\AppData\Local\Temp\MEMZ.exe"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:5112
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C:\Users\Admin\AppData\Local\Temp\MEMZ.exe"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1444
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C:\Users\Admin\AppData\Local\Temp\MEMZ.exe"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4488
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C:\Users\Admin\AppData\Local\Temp\MEMZ.exe"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4920
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C:\Users\Admin\AppData\Local\Temp\MEMZ.exe"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /main2⤵
- Checks computer location settings
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2960 -
C:\Windows\SysWOW64\notepad.exe"C:\Windows\System32\notepad.exe" \note.txt3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
PID:1084
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2812
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\note.txt
- Size 218B
- SHA256 8e9f20f6864c66576536c0b866c6ffdcf11397db67fe120e972e244c3c022270
- MD5 afa6955439b8d516721231029fb9ca1b
- SHA1 087a043cc123c0c0df2ffadcf8e71e3ac86bbae9
- SHA512 5da21a31fbc4e8250dffed30f66b896bdf007ac91948140334fe36a3f010e1bac3e70a07e9f3eb9da8633189091fd5cadcabbaacd3e01da0fe7ae28a11b3dddf
- MD5 SHA1 SHA512