General
- Target loader.exe
- Size 1.2MB
- Sample260823-ctdsxsdn6v
- SHA256 3b73da2aa938a510cf75d36dd6025287c8ba970792ba65a93be6769b19583426
- MD5 54cd6e44dc5c170bac6978a0d70c5be9
- SHA1 616d08e544c3ebaa6d64f3e092e56269625b1c97
- SHA512 8de2c24e17c3835f54b01a470e59aeeedb927f9730e8a32bfb0509bdcf66d5454ef2935b2f2b449ea3498ebb4095bdcc088848aea8365f78cfef22bd7f6a6925
- SSDEEP 24576:U2G/nvxW3Ww0tOLP3/zvM4Vct1WsKmMcvxexLP:UbA30AvaHTKpT
- TLSH T10B4549017E44CE12F0192633C2EF494887B4AC552AA7E32B7EB9376D65163937C1CADB
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Behavioral task
behavioral1
Sample
loader.exe
Resource
win10v2004-20260513-en
18 signatures
30 seconds
Behavioral task
behavioral2
Sample
loader.exe
Resource
win11ltsc2024-20260710-en
17 signatures
30 seconds
Malware Config
Targets
-
- Target loader.exe
- Size 1.2MB
- SHA256 3b73da2aa938a510cf75d36dd6025287c8ba970792ba65a93be6769b19583426
- MD5 54cd6e44dc5c170bac6978a0d70c5be9
- SHA1 616d08e544c3ebaa6d64f3e092e56269625b1c97
- SHA512 8de2c24e17c3835f54b01a470e59aeeedb927f9730e8a32bfb0509bdcf66d5454ef2935b2f2b449ea3498ebb4095bdcc088848aea8365f78cfef22bd7f6a6925
- SSDEEP 24576:U2G/nvxW3Ww0tOLP3/zvM4Vct1WsKmMcvxexLP:UbA30AvaHTKpT
- TLSH T10B4549017E44CE12F0192633C2EF494887B4AC552AA7E32B7EB9376D65163937C1CADB
- MD5 SHA1 SHA512 SSDEEP TLSH
Score10/10-
Family: DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
-
Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Executes a VBScript file via the Windows Script Host.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2Visual Basic
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1