General
-
Target
loader.exe
-
Size
363KB
-
Sample
250328-rflzpsw1dt
-
MD5
1b0b97cb1346c496b8368b3e9622d8fd
-
SHA1
ebe3c3f59f26d341933317dec9ed00b041c90d04
-
SHA256
32ea7d3ceea4b73b2a98ef55aebc41581fdfad995fe9d9cc2411dedc1806f28a
-
SHA512
05a4933ed5c5f965058c03ff00828e7bafc71966804955d7962bc6cb8ebab96a1c8f435b9157da3c2a8aa8549b0807d902820831a7ca1108f6491fa6919fe22e
-
SSDEEP
6144:a5kgvH9LLVEbIALguKV5BwUnZqazMhD9RLJt88sndcP8pPyDvUGOksWb:s9Lh9qKLBwiZlzMB9xgndcP88DvvP
Static task
static1
Behavioral task
behavioral1
Sample
loader.exe
Resource
win10ltsc2021-20250314-en
Malware Config
Targets
-
-
Target
loader.exe
-
Size
363KB
-
MD5
1b0b97cb1346c496b8368b3e9622d8fd
-
SHA1
ebe3c3f59f26d341933317dec9ed00b041c90d04
-
SHA256
32ea7d3ceea4b73b2a98ef55aebc41581fdfad995fe9d9cc2411dedc1806f28a
-
SHA512
05a4933ed5c5f965058c03ff00828e7bafc71966804955d7962bc6cb8ebab96a1c8f435b9157da3c2a8aa8549b0807d902820831a7ca1108f6491fa6919fe22e
-
SSDEEP
6144:a5kgvH9LLVEbIALguKV5BwUnZqazMhD9RLJt88sndcP8pPyDvUGOksWb:s9Lh9qKLBwiZlzMB9xgndcP88DvvP
Score10/10-
Suspicious use of NtCreateUserProcessOtherParentProcess
-
Sets service image path in registry
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Indicator Removal: Clear Windows Event Logs
Clear Windows Event Logs to hide the activity of an intrusion.
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
Drops file in System32 directory
-
Suspicious use of SetThreadContext
-
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Indicator Removal
1Clear Windows Event Logs
1Modify Registry
1Pre-OS Boot
1Bootkit
1