General
- Target roso.exe
- Size 81.2MB
- Sample260718-ms637ab14x
- SHA256 630b490da74a4a19fa116123820acb72af87bfff3615cff5bcce74b957a437cc
- MD5 c18aa21da4d3e7b867cd714bbe8f655c
- SHA1 c9da107a9ce3028cdc547ef71159c6244f06ec51
- SHA512 af3d0e5e67b4c2668d6187cdd622886ff69024fac5773c693690e90d6c54d596d1c102178d4ebf9870d733c820e51449fd0336e89cfe934a848fa376cf0788c1
- SSDEEP 786432:M86nzhQnRPzlys003YrFHmZlOH09TTbdLDMb:MxzhQnRPYs00HZRvab
- TLSH T18718BF15E3D84B16D63FC2BDC2638112E6B1B8525361D6CF0498EE992F63BC1A737263
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
roso.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
roso.exe
Resource
win11ltsc2024-20260710-en
Malware Config
Targets
-
- Target roso.exe
- Size 81.2MB
- SHA256 630b490da74a4a19fa116123820acb72af87bfff3615cff5bcce74b957a437cc
- MD5 c18aa21da4d3e7b867cd714bbe8f655c
- SHA1 c9da107a9ce3028cdc547ef71159c6244f06ec51
- SHA512 af3d0e5e67b4c2668d6187cdd622886ff69024fac5773c693690e90d6c54d596d1c102178d4ebf9870d733c820e51449fd0336e89cfe934a848fa376cf0788c1
- SSDEEP 786432:M86nzhQnRPzlys003YrFHmZlOH09TTbdLDMb:MxzhQnRPYs00HZRvab
- TLSH T18718BF15E3D84B16D63FC2BDC2638112E6B1B8525361D6CF0498EE992F63BC1A737263
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Sets service image path in registry
This determines the executable launched when a service starts. It can be used to establish persistence.
-
Signed with revoked ConnectWise certificate
Binary is signed using a ConnectWise certificate revoked for key compromise.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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.
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Executes dropped EXE
-
Loads dropped DLL
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Boot or Logon Autostart Execution: Authentication Package
Suspicious Windows Authentication Registry Modification.
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Drops file in System32 directory
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Authentication Package
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
2Authentication Package
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Component Object Model Hijacking
1