General
- Target jkjkjkjkjkjkjk.exe
- Size 49KB
- Sample260721-zhst2ahn7x
- SHA256 eb5ef0026d3daf3f76486c299d3e6fc147929baa36f048c27f71b65b3e29b9bc
- MD5 b13a78a38f5994a37ac0fdd99592f06c
- SHA1 1f1068c28c0d5dcfdaad5a7feb2697cb94c4ee4b
- SHA512 5501dfed918f38c04bc197543cca31c146a185259502af71bcddb068ef8cc5c6a04a993630b5efe20f244b7b8567b2c270de0db2fa3f7e46f7c0deea05507aff
- SSDEEP 1536:rzzMGRbaJuGVlw6Azand4iU0a1FZS+nbB2sesbOP0:rzzM2bYuGVlw6AzanmiU0a1FdbBgsbOs
- TLSH T17433E88CE3E94131E4BF56B61D77424893B0BAA38466D79F7CC401CA2B26B95C641EF3
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
jkjkjkjkjkjkjk.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
neptunerat
-
31.57.97.134:4444
-
filename
USB.exe
-
group
MasonGroup
-
key
HVVL1jFpI1ZGA9Ca
-
rat_name
MasonRAT
Targets
-
- Target jkjkjkjkjkjkjk.exe
- Size 49KB
- SHA256 eb5ef0026d3daf3f76486c299d3e6fc147929baa36f048c27f71b65b3e29b9bc
- MD5 b13a78a38f5994a37ac0fdd99592f06c
- SHA1 1f1068c28c0d5dcfdaad5a7feb2697cb94c4ee4b
- SHA512 5501dfed918f38c04bc197543cca31c146a185259502af71bcddb068ef8cc5c6a04a993630b5efe20f244b7b8567b2c270de0db2fa3f7e46f7c0deea05507aff
- SSDEEP 1536:rzzMGRbaJuGVlw6Azand4iU0a1FZS+nbB2sesbOP0:rzzM2bYuGVlw6AzanmiU0a1FdbBgsbOs
- TLSH T17433E88CE3E94131E4BF56B61D77424893B0BAA38466D79F7CC401CA2B26B95C641EF3
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects NeptuneRAT stealer
-
Disables Task Manager via registry modification
-
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
-
Modifies system executable filetype association
-
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
-
Indicator Removal: File Deletion
Adversaries may delete files left behind by the actions of their intrusion activity.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
MITRE ATT&CK Enterprise v16
Persistence
Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Defense Evasion
Indicator Removal
1File Deletion
1Modify Registry
1Pre-OS Boot
1Bootkit
1