Win32/Packed.Obsidium.KJ (file analysis)

The Win32/Packed.Obsidium.KJ is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

What Win32/Packed.Obsidium.KJ virus can do?

• Behavioural detection: Executable code extraction – unpacking
• Sample contains Overlay data
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Performs HTTP requests potentially not found in PCAP.
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• The binary contains an unknown PE section name indicative of packing
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• Checks for the presence of known windows from debuggers and forensic tools
• Checks for the presence of known devices from debuggers and forensic tools
• Checks for the presence of known devices from debuggers and forensic tools
• Detects VirtualBox through the presence of a device
• Attempts to modify proxy settings
• Harvests cookies for information gathering
• Collects information to fingerprint the system

How to determine Win32/Packed.Obsidium.KJ?

File Info:
name: BF7620822808E50E138D.mlwpath: /opt/CAPEv2/storage/binaries/9ac631abb51ef59914b5b32b4e70dacf76b45eea3cbaddd85f4a8bdb4db6f79acrc32: 7F4541B1md5: bf7620822808e50e138d31a695791f4csha1: 5da02e4063cb4a3233028f7ee6d7b10c101c30c0sha256: 9ac631abb51ef59914b5b32b4e70dacf76b45eea3cbaddd85f4a8bdb4db6f79asha512: 4a4031463cedab0bbcfdcb7dc2180b673f28c319b31c8a4181bb112bae6b3e75ab738d5ba301dbdc10bb7110cf34f8c17fd289c07158988b423c329bc9636b02ssdeep: 12288:CQIaSN7jIuubkpYYWm8tB86lcwg4KVKBHNub3iM+4lE8qbB/tmYT1q1:CQs7jI5lg8tBnlcL3VKBHr4S8qhtmYw1type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1ADB42320F5705A77C2EF72BF5A3BB815626C4A61CDF9008CAB20F45A05E666CC87DD2Csha3_384: 4b08efce7332c8aff30b8f4aa635945cffec78ba63cf7fb80768be8f1cd0e672d05efb14bd8427dd5240354adb76bf1bep_bytes: eb0539b61cf8e650eb04f6a248c2e811timestamp: 2022-08-24 17:13:14
Version Info:
FileDescription: Description of my applicationInternalName: myfile.exeOriginalFilename: myfile.exeCompanyName: My CompanyLegalCopyright: © My Company. All rights reserved.ProductName: My AppFileVersion: 1.0.0.0ProductVersion: 1.0.0.0Translation: 0x0409 0x04b0

Win32/Packed.Obsidium.KJ also known as:

How to remove Win32/Packed.Obsidium.KJ?

• Download and install GridinSoft Anti-Malware.
• Open GridinSoft Anti-Malware and perform a “Standard scan“.
• “Move to quarantine” all items.
• Open “Tools” tab – Press “Reset Browser Settings“.
• Select proper browser and options – Click “Reset”.
• Restart your computer.