Analysis
-
max time kernel
140s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05/11/2024, 23:25
Static task
static1
Behavioral task
behavioral1
Sample
6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe
Resource
win10v2004-20241007-en
General
-
Target
6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe
-
Size
7.8MB
-
MD5
4df4b1a43666d9a5c29fa4e22c50c73b
-
SHA1
89447f053e059911750d06a75b0b589b18923c24
-
SHA256
6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90
-
SHA512
0ebda49618e2b90e4d91b6745d3629f91a12478bffdc24d2e80f88a745095560e508c8a1a231cca81aae81c1cac39ad4d72694f84cd20003b4ee0eb4f8ca8e10
-
SSDEEP
49152:943imhnMqfFLHyT+a0rNo7IcyO82MzufjWJA6ongaHLvKLA8VgbKW2llxobcJOuw:6i0os45gaHrhdw3D7nTsReRR9e
Malware Config
Signatures
-
Executes dropped EXE 2 IoCs
pid Process 3044 sysx32.exe 2736 _6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe -
Loads dropped DLL 3 IoCs
pid Process 2996 6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe 2996 6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe 2996 6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\sys32 = "C:\\Windows\\system32\\sysx32.exe" 6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe -
Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\A: sysx32.exe File opened (read-only) \??\B: sysx32.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\sysx32.exe 6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe File opened for modification C:\Windows\SysWOW64\sysx32.exe 6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe File created C:\Windows\SysWOW64\sysx32.exe sysx32.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\7-Zip\7z.exe.tmp sysx32.exe File opened for modification C:\Program Files\7-Zip\7z.exe.tmp sysx32.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2996 wrote to memory of 3044 2996 6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe 30 PID 2996 wrote to memory of 3044 2996 6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe 30 PID 2996 wrote to memory of 3044 2996 6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe 30 PID 2996 wrote to memory of 3044 2996 6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe 30 PID 2996 wrote to memory of 2736 2996 6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe 31 PID 2996 wrote to memory of 2736 2996 6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe 31 PID 2996 wrote to memory of 2736 2996 6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe 31 PID 2996 wrote to memory of 2736 2996 6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe"C:\Users\Admin\AppData\Local\Temp\6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Windows\SysWOW64\sysx32.exeC:\Windows\system32\sysx32.exe /scan2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
PID:3044
-
-
C:\Users\Admin\AppData\Local\Temp\_6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exeC:\Users\Admin\AppData\Local\Temp\_6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe2⤵
- Executes dropped EXE
PID:2736
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\_6a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90.exe
Filesize7.8MB
MD58f0cf02e4cf0aa15ec68b735053011aa
SHA1c937a6585d77f6104150a086f18b8c6d3f915c7d
SHA256de90549e8d147122e906ad394be42e420f41f425d5a2b6952ef06c8ffe75f164
SHA51249cda1bed73d0ba4cc191a742f9f46aa999056159ebad44e827e4b9c23be54a2e4850094113f56c6228143bc273bd6855ec671c8265e2bb2697f8700d1594c6c
-
Filesize
7.8MB
MD54df4b1a43666d9a5c29fa4e22c50c73b
SHA189447f053e059911750d06a75b0b589b18923c24
SHA2566a03c180fa521bfd63e729cb54231c923280251a3302f22ff1b6abf90242cf90
SHA5120ebda49618e2b90e4d91b6745d3629f91a12478bffdc24d2e80f88a745095560e508c8a1a231cca81aae81c1cac39ad4d72694f84cd20003b4ee0eb4f8ca8e10