Resubmissions
07-04-2023 08:11
230407-j3f3zaae2s 707-04-2023 08:08
230407-j1q56aad91 707-04-2023 07:42
230407-jj2wbsad6z 7Analysis
-
max time kernel
747s -
max time network
637s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
07-04-2023 08:11
Static task
static1
Behavioral task
behavioral1
Sample
MEMZ 3.0/MEMZ.bat
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
MEMZ 3.0/MEMZ.bat
Resource
win10v2004-20230220-en
Behavioral task
behavioral3
Sample
MEMZ 3.0/MEMZ.exe
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
MEMZ 3.0/MEMZ.exe
Resource
win10v2004-20230220-en
General
-
Target
MEMZ 3.0/MEMZ.bat
-
Size
12KB
-
MD5
13a43c26bb98449fd82d2a552877013a
-
SHA1
71eb7dc393ac1f204488e11f5c1eef56f1e746af
-
SHA256
5f52365accb76d679b2b3946870439a62eb8936b9a0595f0fb0198138106b513
-
SHA512
602518b238d80010fa88c2c88699f70645513963ef4f148a0345675738cf9b0c23b9aeb899d9f7830cc1e5c7e9c7147b2dc4a9222770b4a052ee0c879062cd5a
-
SSDEEP
384:nnLhRNiqt0kCH2LR0GPXxGiZgCz+KG/yKhLdW79HOli+lz3:nLhRN9t0SR4iZtzlREBWhuF
Malware Config
Signatures
-
Executes dropped EXE 7 IoCs
Processes:
MEMZ.exeMEMZ.exeMEMZ.exeMEMZ.exeMEMZ.exeMEMZ.exeMEMZ.exepid process 1628 MEMZ.exe 1388 MEMZ.exe 988 MEMZ.exe 820 MEMZ.exe 560 MEMZ.exe 1176 MEMZ.exe 1568 MEMZ.exe -
Loads dropped DLL 1 IoCs
Processes:
MEMZ.exepid process 1628 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.
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.
-
Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
Processes:
MEMZ.exepid process 1628 MEMZ.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
MEMZ.exeMEMZ.exeMEMZ.exeMEMZ.exeMEMZ.exepid process 1388 MEMZ.exe 988 MEMZ.exe 820 MEMZ.exe 560 MEMZ.exe 1176 MEMZ.exe 1388 MEMZ.exe 988 MEMZ.exe 820 MEMZ.exe 560 MEMZ.exe 1176 MEMZ.exe 1388 MEMZ.exe 988 MEMZ.exe 820 MEMZ.exe 560 MEMZ.exe 1176 MEMZ.exe 1388 MEMZ.exe 988 MEMZ.exe 820 MEMZ.exe 560 MEMZ.exe 1176 MEMZ.exe 1388 MEMZ.exe 988 MEMZ.exe 820 MEMZ.exe 560 MEMZ.exe 1176 MEMZ.exe 1388 MEMZ.exe 988 MEMZ.exe 820 MEMZ.exe 560 MEMZ.exe 1176 MEMZ.exe 1388 MEMZ.exe 988 MEMZ.exe 820 MEMZ.exe 560 MEMZ.exe 1176 MEMZ.exe 1388 MEMZ.exe 988 MEMZ.exe 820 MEMZ.exe 560 MEMZ.exe 1176 MEMZ.exe 1388 MEMZ.exe 988 MEMZ.exe 820 MEMZ.exe 560 MEMZ.exe 1176 MEMZ.exe 1388 MEMZ.exe 988 MEMZ.exe 820 MEMZ.exe 560 MEMZ.exe 1176 MEMZ.exe 1388 MEMZ.exe 988 MEMZ.exe 820 MEMZ.exe 560 MEMZ.exe 1176 MEMZ.exe 1388 MEMZ.exe 988 MEMZ.exe 820 MEMZ.exe 560 MEMZ.exe 1176 MEMZ.exe 1388 MEMZ.exe 988 MEMZ.exe 820 MEMZ.exe 560 MEMZ.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
AUDIODG.EXEdescription pid process Token: 33 920 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 920 AUDIODG.EXE Token: 33 920 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 920 AUDIODG.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
cscript.exepid process 1084 cscript.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
MEMZ.exepid process 1568 MEMZ.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
cmd.exeMEMZ.exeMEMZ.exedescription pid process target process PID 2036 wrote to memory of 1084 2036 cmd.exe cscript.exe PID 2036 wrote to memory of 1084 2036 cmd.exe cscript.exe PID 2036 wrote to memory of 1084 2036 cmd.exe cscript.exe PID 2036 wrote to memory of 1628 2036 cmd.exe MEMZ.exe PID 2036 wrote to memory of 1628 2036 cmd.exe MEMZ.exe PID 2036 wrote to memory of 1628 2036 cmd.exe MEMZ.exe PID 2036 wrote to memory of 1628 2036 cmd.exe MEMZ.exe PID 1628 wrote to memory of 1388 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 1388 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 1388 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 1388 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 988 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 988 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 988 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 988 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 820 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 820 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 820 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 820 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 560 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 560 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 560 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 560 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 1176 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 1176 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 1176 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 1176 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 1568 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 1568 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 1568 1628 MEMZ.exe MEMZ.exe PID 1628 wrote to memory of 1568 1628 MEMZ.exe MEMZ.exe PID 1568 wrote to memory of 1664 1568 MEMZ.exe notepad.exe PID 1568 wrote to memory of 1664 1568 MEMZ.exe notepad.exe PID 1568 wrote to memory of 1664 1568 MEMZ.exe notepad.exe PID 1568 wrote to memory of 1664 1568 MEMZ.exe notepad.exe PID 1568 wrote to memory of 1972 1568 MEMZ.exe cmd.exe PID 1568 wrote to memory of 1972 1568 MEMZ.exe cmd.exe PID 1568 wrote to memory of 1972 1568 MEMZ.exe cmd.exe PID 1568 wrote to memory of 1972 1568 MEMZ.exe cmd.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\MEMZ 3.0\MEMZ.bat"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\cscript.execscript x.js2⤵
- Suspicious use of FindShellTrayWindow
-
C:\Users\Admin\AppData\Roaming\MEMZ.exe"C:\Users\Admin\AppData\Roaming\MEMZ.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\MEMZ.exe"C:\Users\Admin\AppData\Roaming\MEMZ.exe" /watchdog3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
-
C:\Users\Admin\AppData\Roaming\MEMZ.exe"C:\Users\Admin\AppData\Roaming\MEMZ.exe" /watchdog3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
-
C:\Users\Admin\AppData\Roaming\MEMZ.exe"C:\Users\Admin\AppData\Roaming\MEMZ.exe" /watchdog3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
-
C:\Users\Admin\AppData\Roaming\MEMZ.exe"C:\Users\Admin\AppData\Roaming\MEMZ.exe" /watchdog3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
-
C:\Users\Admin\AppData\Roaming\MEMZ.exe"C:\Users\Admin\AppData\Roaming\MEMZ.exe" /watchdog3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
-
C:\Users\Admin\AppData\Roaming\MEMZ.exe"C:\Users\Admin\AppData\Roaming\MEMZ.exe" /main3⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\notepad.exe"C:\Windows\System32\notepad.exe" \note.txt4⤵
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe"4⤵
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x5681⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\MEMZ 3.0\xFilesize
4KB
MD5b6873c6cbfc8482c7f0e2dcb77fb7f12
SHA1844b14037e1f90973a04593785dc88dfca517673
SHA2560a0cad82d9284ccc3c07de323b76ee2d1c0b328bd2ce59073ed5ac4eb7609bd1
SHA512f3aa3d46d970db574113f40f489ff8a5f041606e79c4ab02301b283c66ff05732be4c5edc1cf4a851da9fbaaa2f296b97fc1135210966a0e2dfc3763398dfcaf
-
C:\Users\Admin\AppData\Local\Temp\MEMZ 3.0\xFilesize
10KB
MD5fc59b7d2eb1edbb9c8cb9eb08115a98e
SHA190a6479ce14f8548df54c434c0a524e25efd9d17
SHA256a05b9be9dd87492f265094146e18d628744c6b09c0e7efaabf228a9f1091a279
SHA5123392cfc0dbddb37932e76da5a49f4e010a49aaa863c882b85cccab676cd458cfc8f880d8a0e0dc7581175f447e6b0a002da1591ecd14756650bb74996eacd2b1
-
C:\Users\Admin\AppData\Local\Temp\MEMZ 3.0\xFilesize
2KB
MD58db32f20a40dff2af6d99f41c063643d
SHA1d61bdf9e496c7b2a68ab93c372a6aa2f4b2c25c7
SHA256100830ff9642ce1a5ef3e25595506a04105c346e68f79ea34cd556ae46c1ca9d
SHA512ada0984433443c0f89cf2a7e3853a50370699e13026e10523ab8802cccba060423657e3e60120b2dc2412566bad553675c8be60c36fba4d8398c8494403fe8bb
-
C:\Users\Admin\AppData\Local\Temp\MEMZ 3.0\xFilesize
2KB
MD58db32f20a40dff2af6d99f41c063643d
SHA1d61bdf9e496c7b2a68ab93c372a6aa2f4b2c25c7
SHA256100830ff9642ce1a5ef3e25595506a04105c346e68f79ea34cd556ae46c1ca9d
SHA512ada0984433443c0f89cf2a7e3853a50370699e13026e10523ab8802cccba060423657e3e60120b2dc2412566bad553675c8be60c36fba4d8398c8494403fe8bb
-
C:\Users\Admin\AppData\Local\Temp\MEMZ 3.0\xFilesize
2KB
MD58db32f20a40dff2af6d99f41c063643d
SHA1d61bdf9e496c7b2a68ab93c372a6aa2f4b2c25c7
SHA256100830ff9642ce1a5ef3e25595506a04105c346e68f79ea34cd556ae46c1ca9d
SHA512ada0984433443c0f89cf2a7e3853a50370699e13026e10523ab8802cccba060423657e3e60120b2dc2412566bad553675c8be60c36fba4d8398c8494403fe8bb
-
C:\Users\Admin\AppData\Local\Temp\MEMZ 3.0\xFilesize
2KB
MD58db32f20a40dff2af6d99f41c063643d
SHA1d61bdf9e496c7b2a68ab93c372a6aa2f4b2c25c7
SHA256100830ff9642ce1a5ef3e25595506a04105c346e68f79ea34cd556ae46c1ca9d
SHA512ada0984433443c0f89cf2a7e3853a50370699e13026e10523ab8802cccba060423657e3e60120b2dc2412566bad553675c8be60c36fba4d8398c8494403fe8bb
-
C:\Users\Admin\AppData\Local\Temp\MEMZ 3.0\x.jsFilesize
448B
MD58eec8704d2a7bc80b95b7460c06f4854
SHA11b34585c1fa7ec0bd0505478ac9dbb8b8d19f326
SHA256aa01b8864b43e92077a106ed3d4656a511f3ba1910fba40c78a32ee6a621d596
SHA512e274b92810e9a30627a65f87448d784967a2fcfbf49858cbe6ccb841f09e0f53fde253ecc1ea0c7de491d8cc56a6cf8c79d1b7c657e72928cfb0479d11035210
-
C:\Users\Admin\AppData\Local\Temp\MEMZ 3.0\z.zipFilesize
7KB
MD5cf0c19ef6909e5c1f10c8460ba9299d8
SHA1875b575c124acfc1a4a21c1e05acb9690e50b880
SHA256abb834ebd4b7d7f8ddf545976818f41b3cb51d2b895038a56457616d3a2c6776
SHA512d930a022a373c283f35d103e277487c2034a0b0814913b8f6ec695b45e20528667aa830eeab58e4483d523bd6a755a16a5379095cb137db6c91909a545a19a2f
-
C:\Users\Admin\AppData\Local\Temp\MEMZ3~1.0\z.zipFilesize
7KB
MD5cf0c19ef6909e5c1f10c8460ba9299d8
SHA1875b575c124acfc1a4a21c1e05acb9690e50b880
SHA256abb834ebd4b7d7f8ddf545976818f41b3cb51d2b895038a56457616d3a2c6776
SHA512d930a022a373c283f35d103e277487c2034a0b0814913b8f6ec695b45e20528667aa830eeab58e4483d523bd6a755a16a5379095cb137db6c91909a545a19a2f
-
C:\Users\Admin\AppData\Roaming\MEMZ.exeFilesize
12KB
MD5a7bcf7ea8e9f3f36ebfb85b823e39d91
SHA1761168201520c199dba68add3a607922d8d4a86e
SHA2563ff64f10603f0330fa2386ff99471ca789391ace969bd0ec1c1b8ce1b4a6db42
SHA51289923b669d31e590189fd06619bf27e47c5a47e82be6ae71fdb1b9b3b30b06fb7ca8ffed6d5c41ac410a367f2eb07589291e95a2644877d6bffd52775a5b1523
-
C:\Users\Admin\AppData\Roaming\MEMZ.exeFilesize
12KB
MD5a7bcf7ea8e9f3f36ebfb85b823e39d91
SHA1761168201520c199dba68add3a607922d8d4a86e
SHA2563ff64f10603f0330fa2386ff99471ca789391ace969bd0ec1c1b8ce1b4a6db42
SHA51289923b669d31e590189fd06619bf27e47c5a47e82be6ae71fdb1b9b3b30b06fb7ca8ffed6d5c41ac410a367f2eb07589291e95a2644877d6bffd52775a5b1523
-
C:\Users\Admin\AppData\Roaming\MEMZ.exeFilesize
12KB
MD5a7bcf7ea8e9f3f36ebfb85b823e39d91
SHA1761168201520c199dba68add3a607922d8d4a86e
SHA2563ff64f10603f0330fa2386ff99471ca789391ace969bd0ec1c1b8ce1b4a6db42
SHA51289923b669d31e590189fd06619bf27e47c5a47e82be6ae71fdb1b9b3b30b06fb7ca8ffed6d5c41ac410a367f2eb07589291e95a2644877d6bffd52775a5b1523
-
C:\Users\Admin\AppData\Roaming\MEMZ.exeFilesize
12KB
MD5a7bcf7ea8e9f3f36ebfb85b823e39d91
SHA1761168201520c199dba68add3a607922d8d4a86e
SHA2563ff64f10603f0330fa2386ff99471ca789391ace969bd0ec1c1b8ce1b4a6db42
SHA51289923b669d31e590189fd06619bf27e47c5a47e82be6ae71fdb1b9b3b30b06fb7ca8ffed6d5c41ac410a367f2eb07589291e95a2644877d6bffd52775a5b1523
-
C:\Users\Admin\AppData\Roaming\MEMZ.exeFilesize
12KB
MD5a7bcf7ea8e9f3f36ebfb85b823e39d91
SHA1761168201520c199dba68add3a607922d8d4a86e
SHA2563ff64f10603f0330fa2386ff99471ca789391ace969bd0ec1c1b8ce1b4a6db42
SHA51289923b669d31e590189fd06619bf27e47c5a47e82be6ae71fdb1b9b3b30b06fb7ca8ffed6d5c41ac410a367f2eb07589291e95a2644877d6bffd52775a5b1523
-
C:\Users\Admin\AppData\Roaming\MEMZ.exeFilesize
12KB
MD5a7bcf7ea8e9f3f36ebfb85b823e39d91
SHA1761168201520c199dba68add3a607922d8d4a86e
SHA2563ff64f10603f0330fa2386ff99471ca789391ace969bd0ec1c1b8ce1b4a6db42
SHA51289923b669d31e590189fd06619bf27e47c5a47e82be6ae71fdb1b9b3b30b06fb7ca8ffed6d5c41ac410a367f2eb07589291e95a2644877d6bffd52775a5b1523
-
C:\Users\Admin\AppData\Roaming\MEMZ.exeFilesize
12KB
MD5a7bcf7ea8e9f3f36ebfb85b823e39d91
SHA1761168201520c199dba68add3a607922d8d4a86e
SHA2563ff64f10603f0330fa2386ff99471ca789391ace969bd0ec1c1b8ce1b4a6db42
SHA51289923b669d31e590189fd06619bf27e47c5a47e82be6ae71fdb1b9b3b30b06fb7ca8ffed6d5c41ac410a367f2eb07589291e95a2644877d6bffd52775a5b1523
-
C:\Users\Admin\AppData\Roaming\MEMZ.exeFilesize
12KB
MD5a7bcf7ea8e9f3f36ebfb85b823e39d91
SHA1761168201520c199dba68add3a607922d8d4a86e
SHA2563ff64f10603f0330fa2386ff99471ca789391ace969bd0ec1c1b8ce1b4a6db42
SHA51289923b669d31e590189fd06619bf27e47c5a47e82be6ae71fdb1b9b3b30b06fb7ca8ffed6d5c41ac410a367f2eb07589291e95a2644877d6bffd52775a5b1523
-
C:\note.txtFilesize
218B
MD5afa6955439b8d516721231029fb9ca1b
SHA1087a043cc123c0c0df2ffadcf8e71e3ac86bbae9
SHA2568e9f20f6864c66576536c0b866c6ffdcf11397db67fe120e972e244c3c022270
SHA5125da21a31fbc4e8250dffed30f66b896bdf007ac91948140334fe36a3f010e1bac3e70a07e9f3eb9da8633189091fd5cadcabbaacd3e01da0fe7ae28a11b3dddf
-
\Users\Admin\AppData\Roaming\MEMZ.exeFilesize
12KB
MD5a7bcf7ea8e9f3f36ebfb85b823e39d91
SHA1761168201520c199dba68add3a607922d8d4a86e
SHA2563ff64f10603f0330fa2386ff99471ca789391ace969bd0ec1c1b8ce1b4a6db42
SHA51289923b669d31e590189fd06619bf27e47c5a47e82be6ae71fdb1b9b3b30b06fb7ca8ffed6d5c41ac410a367f2eb07589291e95a2644877d6bffd52775a5b1523
-
memory/1084-204-0x0000000001D70000-0x0000000001D71000-memory.dmpFilesize
4KB