Trojan-Spy.Win32.Stealer.ajyy (file analysis)

The Trojan-Spy.Win32.Stealer.ajyy 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.

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What Trojan-Spy.Win32.Stealer.ajyy virus can do?

• Behavioural detection: Executable code extraction – unpacking
• SetUnhandledExceptionFilter detected (possible anti-debug)
• At least one process apparently crashed during execution
• Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• Guard pages use detected – possible anti-debugging.
• Dynamic (imported) function loading detected
• Performs HTTP requests potentially not found in PCAP.
• HTTPS urls from behavior.
• Reads data out of its own binary image
• A process created a hidden window
• CAPE extracted potentially suspicious content
• Executed a very long command line or script command which may be indicative of chained commands or obfuscation
• Drops a binary and executes it
• DNS query to a paste site or service detected
• Looks up the external IP address
• Authenticode signature is invalid
• A scripting utility was executed
• Uses Windows utilities for basic functionality
• Uses Windows utilities for basic functionality
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• Detects Sandboxie through the presence of a library
• Detects Avast Antivirus through the presence of a library
• Tries to suspend Cuckoo threads to prevent logging of malicious activity
• Behavioural detection: Injection (inter-process)
• Checks for the presence of known windows from debuggers and forensic tools
• Created a process from a suspicious location
• Steals private information from local Internet browsers
• Network activity contains more than one unique useragent.
• Writes a potential ransom message to disk
• A script process created a new process
• Creates a hidden or system file
• CAPE detected the OnlyLogger malware family
• Checks the presence of disk drives in the registry, possibly for anti-virtualization
• Attempts to modify proxy settings
• Appears to use command line obfuscation
• Attempts to disable Windows Defender
• Attempts to modify Windows Defender using PowerShell
• Harvests cookies for information gathering
• Attempts to execute suspicious powershell command arguments
• Uses suspicious command line tools or Windows utilities

Related domains:

How to determine Trojan-Spy.Win32.Stealer.ajyy?

File Info:
name: B782346FA593126570DA.mlw
path: /opt/CAPEv2/storage/binaries/a142fe87be75812ef67b5536cda5744b4eee7ef68206b7430702df76578dc1fd
crc32: 7C797058
md5: b782346fa593126570da25c48b0859ba
sha1: 5ef9f0dc487012d1974627dd7cba9cadfe2c6e90
sha256: a142fe87be75812ef67b5536cda5744b4eee7ef68206b7430702df76578dc1fd
sha512: 23f5aa36a1a38cda287858c59a2e03dd4d16e435428100b19a338838244965237dbffb6c9d6bdc0974f02c6dcd558a77e22ce2d4ab77220db75639b738a93be5
ssdeep: 393216:J7t1fZu+rMawTJTmQ7N5eY+9kaQPdF/ltF+MsXIH5q3QMi:Jzo+Nwli45eYpRn/lQXYQk
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T143E63316C76D9563E1F1DA38882650ED30A4CEEA5BFF01D3B9EA30D21169C491DBA0DF
sha3_384: b68e15bea9622989cd124a31ced7f103d46b5f5a26246f64f9e4a40016fffdd2348cab251ce7d920bb54efa074598728
ep_bytes: 81ecd40200005356576a205f33db6801
timestamp: 2020-08-01 02:44:18

Version Info:
0: [No Data]

Trojan-Spy.Win32.Stealer.ajyy also known as:

How to remove Trojan-Spy.Win32.Stealer.ajyy?

• 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.