General
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Target
HappyMod-3-1-5.apk
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Size
17.4MB
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Sample
250201-3yqldswlew
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MD5
0ef4f4f011c3e16e18b18584d2f40393
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SHA1
d4a1292884579509009f85fbe480e819f4e103a9
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SHA256
a7e864470fc10ae55241364ce076007552af9673177e15caf4c20062bfc7339a
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SHA512
a85a12907e4a3b5bae1d80771817798c123688c2b4fc1945efdb65ff9d1ad4168186add6c55ae4ade9a969c9e0f67cab2672031aafbaca76386e74357211636b
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SSDEEP
393216:zp0TcbMT8whcEb7NqnKdzbspDNx4GhY6qqoe2w+FCropPvAUqfE:zacQTvcEUnKRwMGm6qqf0CkpQUqfE
Static task
static1
Behavioral task
behavioral1
Sample
HappyMod-3-1-5.apk
Resource
win10ltsc2021-20250128-en
Malware Config
Extracted
crimsonrat
185.136.161.124
Extracted
metasploit
windows/download_exec
http://149.129.72.37:23456/SNpK
- headers User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; NP09; NP09; MAAU)
Targets
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Target
HappyMod-3-1-5.apk
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Size
17.4MB
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MD5
0ef4f4f011c3e16e18b18584d2f40393
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SHA1
d4a1292884579509009f85fbe480e819f4e103a9
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SHA256
a7e864470fc10ae55241364ce076007552af9673177e15caf4c20062bfc7339a
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SHA512
a85a12907e4a3b5bae1d80771817798c123688c2b4fc1945efdb65ff9d1ad4168186add6c55ae4ade9a969c9e0f67cab2672031aafbaca76386e74357211636b
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SSDEEP
393216:zp0TcbMT8whcEb7NqnKdzbspDNx4GhY6qqoe2w+FCropPvAUqfE:zacQTvcEUnKRwMGm6qqf0CkpQUqfE
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CrimsonRAT main payload
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Crimsonrat family
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Darkcomet family
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MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
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Metasploit family
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Modifies WinLogon for persistence
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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Blocklisted process makes network request
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Modifies Windows Firewall
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
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Uses the VBS compiler for execution
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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
2Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
3Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3