General
- Target aitum-multistream-windows-installer (1).exe
- Size 3.5MB
- Sample260824-ssddrszelf
- SHA256 be27a66122d637b5a7f5462994ad577266b3c4f0ddbedf9458cb7a4182f32636
- MD5 cb58cf29a5aa5e46d0946fee300814ee
- SHA1 56d313d05b850b52f1edbdfd6f245ddc722a1420
- SHA512 1212f74878710572fbc59a9f92ed3a9087aaa242c99d359814df8bf8a04c6b7b17225c96e7c60d77fb1a3f1b6d4f315ed03b217f0d8b6057279dbab4809fad31
- SSDEEP 49152:IuI2hvxNayP5oNZavaU0CBldIib9y9yGZwaDBrR23Ayc+6yPheQ1fT//JQnz54:I5OJNaseNZOBYUGZwmRXjKPxTqna
- TLSH T110F5013FB28B653EE06A5A3A7AB2D210553B7F61A4124C4696F4D88CCF350701E3E797
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
aitum-multistream-windows-installer (1).exe
Resource
win10v2004-20260513-en
Malware Config
Targets
-
- Target aitum-multistream-windows-installer (1).exe
- Size 3.5MB
- SHA256 be27a66122d637b5a7f5462994ad577266b3c4f0ddbedf9458cb7a4182f32636
- MD5 cb58cf29a5aa5e46d0946fee300814ee
- SHA1 56d313d05b850b52f1edbdfd6f245ddc722a1420
- SHA512 1212f74878710572fbc59a9f92ed3a9087aaa242c99d359814df8bf8a04c6b7b17225c96e7c60d77fb1a3f1b6d4f315ed03b217f0d8b6057279dbab4809fad31
- SSDEEP 49152:IuI2hvxNayP5oNZavaU0CBldIib9y9yGZwaDBrR23Ayc+6yPheQ1fT//JQnz54:I5OJNaseNZOBYUGZwmRXjKPxTqna
- TLSH T110F5013FB28B653EE06A5A3A7AB2D210553B7F61A4124C4696F4D88CCF350701E3E797
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Adds Run key to start application
-
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
-
Downloads MZ/PE file
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Drops file in System32 directory
-
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.
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1