Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
08/04/2024, 00:14
General
- Target a989a1103f3c28430fb47cbb435fde1932812462f5cef76ad3768bcb5725dadf.exe
- Size 378KB
- Sample240408-ajmxqsah2w
- SHA256 a989a1103f3c28430fb47cbb435fde1932812462f5cef76ad3768bcb5725dadf
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Drops file in Program Files directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a989a1103f3c28430fb47cbb435fde1932812462f5cef76ad3768bcb5725dadf.exe"C:\Users\Admin\AppData\Local\Temp\a989a1103f3c28430fb47cbb435fde1932812462f5cef76ad3768bcb5725dadf.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\Microsoft Build\Isass.exe"C:\Program Files (x86)\Microsoft Build\Isass.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\DY_a989a1103f3c28430fb47cbb435fde1932812462f5cef76ad3768bcb5725dadf.exe"C:\Users\Admin\AppData\Local\Temp\DY_a989a1103f3c28430fb47cbb435fde1932812462f5cef76ad3768bcb5725dadf.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Isass.exe
setup.exe
DY_a989a1103f3c28430fb47cbb435fde1932812462f5cef76ad3768bcb5725dadf.exe
memory/2336-33-0x0000000000400000-0x00000000016A7000-memory.dmp
memory/2336-22-0x0000000000400000-0x00000000016A7000-memory.dmp
memory/2336-60-0x0000000000400000-0x00000000016A7000-memory.dmp
memory/2336-52-0x0000000000400000-0x00000000016A7000-memory.dmp
memory/2336-17-0x0000000000400000-0x00000000016A7000-memory.dmp
memory/2336-18-0x0000000000400000-0x00000000016A7000-memory.dmp
memory/2336-19-0x0000000000400000-0x00000000016A7000-memory.dmp
memory/2336-20-0x0000000000400000-0x00000000016A7000-memory.dmp
memory/2336-21-0x0000000000400000-0x00000000016A7000-memory.dmp
memory/2336-7-0x0000000001860000-0x0000000001861000-memory.dmp
memory/2336-6-0x0000000000400000-0x00000000016A7000-memory.dmp
memory/2336-29-0x0000000000400000-0x00000000016A7000-memory.dmp
memory/2336-51-0x0000000000400000-0x00000000016A7000-memory.dmp
memory/2336-40-0x0000000000400000-0x00000000016A7000-memory.dmp
memory/2336-41-0x0000000000400000-0x00000000016A7000-memory.dmp
memory/2336-42-0x0000000000400000-0x00000000016A7000-memory.dmp
memory/4460-4-0x0000000000400000-0x00000000016A7000-memory.dmp
memory/4460-15-0x0000000000400000-0x00000000016A7000-memory.dmp
memory/4460-12-0x0000000001840000-0x0000000001841000-memory.dmp