General
- Target a53ee143ee39dd9d4e966d18da278f9bd32e0df00ca02d078404418f743fc095
- Size 5.9MB
- Sample260721-yrdwsstdke
- SHA256 a53ee143ee39dd9d4e966d18da278f9bd32e0df00ca02d078404418f743fc095
- MD5 cd3f6970eb08b5532de3d0c8adf6a4c7
- SHA1 3419434fa960ba97cb755bb08913906a63198f25
- SHA512 9fad7a011d8d1d03d1fb36aeaca56dd3d6e012796d7c0d4d9c4836374834dfa00367d615dd695c496a6f345bd69460e6f1feebb186f222da0a800267a136f088
- SSDEEP 98304:yCADKAT22K+tg1KKy4mCwIZDuths3PE99KVZMENWkASqVOQ4oG4PQoZgyeoNdhtK:yC2KAT8sgwKm7IZq+E996NWkASwOQRGL
- TLSH T12D5633DB5C4DBFD1E2ACC5374636769B1A6D01B02BCA3EA1CCE056DE4E506AC7B40A1C
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
appstep.58680017.exe
Resource
win10v2004-20260513-en
1 signatures
150 seconds
Behavioral task
behavioral2
Sample
appstep.58680017.exe
Resource
win11ltsc2024-20260710-en
14 signatures
150 seconds
Malware Config
Targets
-
- Target appstep.58680017.exe
- Size 54.3MB
- SHA256 d9d1fd13da14290fa7c921ee4aca37f2efd4e0403005b6bc2a7e5dc12ee70124
- MD5 5097818125ba6eaac331a2e1e87953e5
- SHA1 61bda6180417df75a292c677cc769fe5c499fb2b
- SHA512 a1e43f68b5f2b635fc20e9be741e5c62bff78d96e17f7852fa4e880fff1c2bfec0559ed2c53dbfb51bf1ce5c2b1df7a2f35f31a7d2269e7f56316b3155825be3
- SSDEEP 98304:Ru19nmtLsx4qV5+uY2cQysL8kxEVv4vu7PErGCrC9ILrFMKQMYpTTDliJW9PgAd:AnnmtLsX5+um3nkSVveZYzvsyPgAd
- TLSH T10BC7F90676028DCAE06692B4145BBF91E3B9FD714AF1D36723F6272D1FEA34C4AA3144
- MD5 SHA1 SHA512 SSDEEP TLSH
Score8/10-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Executes dropped EXE
-
Loads dropped DLL
-
Adds Run key to start application
-
Indicator Removal: Clear Persistence
Clear artifacts associated with previously established persistence like scheduletasks on a host.
-
Drops file in System32 directory
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1