General
- Target tinytask-1.77-installer.exe
- Size 2.0MB
- Sample260912-t32psaef26
- SHA256 41101d21c2ed688a5a1e4baca8232011aaefdf191210ddbc44071420cec0adde
- MD5 5c6a4a81972fe4b316d836dfb478ac09
- SHA1 e48658036853022bd51e7dcbeea45d48594f501a
- SHA512 90e4c709ed6869ae5a541580dbaae0c374eb5b16214aa54cf83692478dd2abb569c0f76ee28675ffaaa776a38d74f0962fba8115cefe7cdd2786b4b0b7270ca7
- SSDEEP 24576:SXNrSLScusMmOvjjhzvL5qtRgkcXjPeynRkIegf+Sve+9Cx+gBbfWzOUxSXc64de:duI2hkHcTeynRkfg7ve+AhrWzOUA
- TLSH T1E7A5D03FB28B653EE06E5A3A7A72E210583B7A6165174C4696F4C88CCF254701E3F787
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
tinytask-1.77-installer.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
tinytask-1.77-installer.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Targets
-
- Target tinytask-1.77-installer.exe
- Size 2.0MB
- SHA256 41101d21c2ed688a5a1e4baca8232011aaefdf191210ddbc44071420cec0adde
- MD5 5c6a4a81972fe4b316d836dfb478ac09
- SHA1 e48658036853022bd51e7dcbeea45d48594f501a
- SHA512 90e4c709ed6869ae5a541580dbaae0c374eb5b16214aa54cf83692478dd2abb569c0f76ee28675ffaaa776a38d74f0962fba8115cefe7cdd2786b4b0b7270ca7
- SSDEEP 24576:SXNrSLScusMmOvjjhzvL5qtRgkcXjPeynRkIegf+Sve+9Cx+gBbfWzOUxSXc64de:duI2hkHcTeynRkfg7ve+AhrWzOUA
- TLSH T1E7A5D03FB28B653EE06E5A3A7A72E210583B7A6165174C4696F4C88CCF254701E3F787
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Suspicious use of NtCreateProcessExOtherParentProcess
-
Downloads MZ/PE file
-
Drops file in Drivers directory
-
Sets service image path in registry
This determines the executable launched when a service starts. It can be used to establish persistence.
-
Uses Session Manager for persistence
Creates Session Manager registry key to run executable early in system boot.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
-
Executes dropped EXE
-
Impair Defenses: Safe Mode Boot
-
Loads dropped DLL
-
Windows security modification
-
Adds Run key to start application
-
Checks for any installed AV software in registry
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
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
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Component Object Model Hijacking
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
Impair Defenses
2Disable or Modify Tools
1Safe Mode Boot
1Modify Registry
6Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Discovery
Browser Information Discovery
1Peripheral Device Discovery
1Query Registry
6Software Discovery
1Security Software Discovery
1System Information Discovery
5System Location Discovery
1System Language Discovery
1System Time Discovery
1