Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
94s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
-
submitted
13/01/2025, 23:26
General
-
Target
3cbf0de4a009f792d15a2cdc4c31f46ee3de539493849ccc31cde03ec2d2ffdd.exe
-
Size
783KB
-
MD5
ed7cbc3cc36f96754bf4b4748c5998b6
-
SHA1
ae7867de6dc05871e3e4e7d34c0231383e416dd1
-
SHA256
3cbf0de4a009f792d15a2cdc4c31f46ee3de539493849ccc31cde03ec2d2ffdd
-
SHA512
eac51f170a344feb0958733eaa6c6ee80b4934f1e70270f932e3593ce572d899bbe9d18e3075c394437d452a30f0341d12da8dc78080da8b93ebc08f458e4744
-
SSDEEP
12288:GqnOYxdAgpoNeF91rg5iFdr0yQ9gYx+EIpakCYJRU7Q9bWoFzqK:G+OQbpbgsFdAyQvzSqaq8q
Malware Config
Signatures
-
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
-
Dcrat family
-
Process spawned unexpected child process 8 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
-
UAC bypass 3 TTPs 3 IoCs
-
DCRat payload 2 IoCs
Detects payload of DCRat, commonly dropped by NSIS installers.
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE 1 IoCs
-
Adds Run key to start application 2 TTPs 8 IoCs
-
Checks whether UAC is enabled 1 TTPs 2 IoCs
-
Drops file in System32 directory 12 IoCs
-
Drops file in Program Files directory 12 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 1 IoCs
-
Scheduled Task/Job: Scheduled Task 1 TTPs 8 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 14 IoCs
-
Suspicious use of AdjustPrivilegeToken 2 IoCs
-
Suspicious use of WriteProcessMemory 2 IoCs
-
System policy modification 1 TTPs 3 IoCs
-
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\3cbf0de4a009f792d15a2cdc4c31f46ee3de539493849ccc31cde03ec2d2ffdd.exe"C:\Users\Admin\AppData\Local\Temp\3cbf0de4a009f792d15a2cdc4c31f46ee3de539493849ccc31cde03ec2d2ffdd.exe"1⤵
- UAC bypass
- Checks computer location settings
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
-
C:\Windows\System32\activeds\lsass.exe"C:\Windows\System32\activeds\lsass.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Windows\System32\mfc110jpn\winlogon.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "TextInputHost" /sc ONLOGON /tr "'C:\Documents and Settings\TextInputHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft.NET\RedistList\dllhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\smss.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Windows\System32\activeds\lsass.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Program Files (x86)\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\es\StartMenuExperienceHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Windows\System32\ucrtbase\winlogon.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "3cbf0de4a009f792d15a2cdc4c31f46ee3de539493849ccc31cde03ec2d2ffdd" /sc ONLOGON /tr "'C:\Documents and Settings\3cbf0de4a009f792d15a2cdc4c31f46ee3de539493849ccc31cde03ec2d2ffdd.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
783KB
MD5ed7cbc3cc36f96754bf4b4748c5998b6
SHA1ae7867de6dc05871e3e4e7d34c0231383e416dd1
SHA2563cbf0de4a009f792d15a2cdc4c31f46ee3de539493849ccc31cde03ec2d2ffdd
SHA512eac51f170a344feb0958733eaa6c6ee80b4934f1e70270f932e3593ce572d899bbe9d18e3075c394437d452a30f0341d12da8dc78080da8b93ebc08f458e4744
-
Filesize
32KB
-
Filesize
808KB
-
Filesize
32KB
-
Filesize
64KB
-
Filesize
48KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
40KB
-
Filesize
40KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
10.8MB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
48KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
10.8MB
-
Filesize
10.8MB
-
Filesize
8KB
-
Filesize
10.8MB
-
Filesize
10.8MB