General
-
Target
HappyMod-3-1-1.apk
-
Size
17.3MB
-
Sample
240702-1kmw8svflq
-
MD5
2374b9b56e0eaac81fafa5a2eb219bdf
-
SHA1
1af4b5f9b22268019b3f09214926b472fa188b25
-
SHA256
bf4fb5b1a0f6dd65499e4b5e2fff102d4958d235f0ef79d21d4a0d271ebf2e47
-
SHA512
3e037c437a38742dcf6f54478ed200ff149ad5dd57dafd11f87b98bcfd2cc93744adb3566e1eb498d7b1e77da56fd6b159b839ca3bd8432faf1d3010cd894af2
-
SSDEEP
393216:np0TcbMT8VhcEb7NN+tiqxwPDBxvghsreQBzhpGPG41VSzp:nacQTicED+QrHghsrH5hkPGAVI
Static task
static1
Behavioral task
behavioral1
Sample
HappyMod-3-1-1.apk
Resource
win10v2004-20240611-en
Malware Config
Extracted
C:\Users\Admin\Downloads\Ransomware.WannaCry\@[email protected]
wannacry
115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn
Targets
-
-
Target
HappyMod-3-1-1.apk
-
Size
17.3MB
-
MD5
2374b9b56e0eaac81fafa5a2eb219bdf
-
SHA1
1af4b5f9b22268019b3f09214926b472fa188b25
-
SHA256
bf4fb5b1a0f6dd65499e4b5e2fff102d4958d235f0ef79d21d4a0d271ebf2e47
-
SHA512
3e037c437a38742dcf6f54478ed200ff149ad5dd57dafd11f87b98bcfd2cc93744adb3566e1eb498d7b1e77da56fd6b159b839ca3bd8432faf1d3010cd894af2
-
SSDEEP
393216:np0TcbMT8VhcEb7NN+tiqxwPDBxvghsreQBzhpGPG41VSzp:nacQTicED+QrHghsrH5hkPGAVI
-
Suspicious use of NtCreateProcessExOtherParentProcess
-
Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Creates new service(s)
-
Downloads MZ/PE file
-
Drops file in Drivers directory
-
Event Triggered Execution: AppInit DLLs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
-
Event Triggered Execution: Image File Execution Options Injection
-
Sets service image path in registry
-
Uses Session Manager for persistence
Creates Session Manager registry key to run executable early in system boot.
-
ACProtect 1.3x - 1.4x DLL software
Detects file using ACProtect software.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Drops startup file
-
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
-
Modifies file permissions
-
Modifies system executable filetype association
-
Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
-
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.
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
File and Directory Permissions Modification: Windows File and Directory Permissions Modification
-
Legitimate hosting services abused for malware hosting/C2
-
Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
Checks system information in the registry
System information is often read in order to detect sandboxing environments.
-
Drops file in System32 directory
-
Sets desktop wallpaper using registry
-
MITRE ATT&CK Enterprise v15
Execution
System Services
2Service Execution
2Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
4Active Setup
1Registry Run Keys / Startup Folder
3Create or Modify System Process
2Windows Service
2Event Triggered Execution
5AppInit DLLs
1Change Default File Association
1Component Object Model Hijacking
1Image File Execution Options Injection
1Netsh Helper DLL
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
4Active Setup
1Registry Run Keys / Startup Folder
3Create or Modify System Process
2Windows Service
2Event Triggered Execution
5AppInit DLLs
1Change Default File Association
1Component Object Model Hijacking
1Image File Execution Options Injection
1Netsh Helper DLL
1Defense Evasion
File and Directory Permissions Modification
2Windows File and Directory Permissions Modification
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
3Disable or Modify Tools
1Safe Mode Boot
1Indicator Removal
1File Deletion
1Modify Registry
11Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1