MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 91490e0e2a4b99307b78fdf837af581829240617033d71db8b6b850190ba1076. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
XFilesStealer
Vendor detections: 12
| SHA256 hash: | 91490e0e2a4b99307b78fdf837af581829240617033d71db8b6b850190ba1076 |
|---|---|
| SHA3-384 hash: | 8d3744e84833a932e61c8690be75a9f2645e8c2eb1d15bf69b4ec0c6fd64f26579f0c02363838ffb0c1a23f9196a56e4 |
| SHA1 hash: | 86011db2179090661052242b0cb866368c68416c |
| MD5 hash: | 03b0d49f065414901b7c4126936fad5a |
| humanhash: | bacon-thirteen-mexico-cola |
| File name: | Client-built.bin |
| Download: | download sample |
| Signature | XFilesStealer |
| File size: | 455'583 bytes |
| First seen: | 2022-07-12 11:53:33 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 6144:84PcSXydeSovSYrcwuvI22m9tujl1iE21CyA/8y2X1/Pcf24Ptg0jaxx8/Zb9:tPcSxvzgJ39to1d8tShC9PchPtTju8N9 |
| Threatray | 2'847 similar samples on MalwareBazaar |
| TLSH | T16AA4F1451B4090CBDC011D3DE953729C7EE00CE8AA69DAD22D70BD4FA6FB980E9762DD |
| TrID | 52.9% (.EXE) Win32 Executable (generic) (4505/5/1) 23.5% (.EXE) Generic Win/DOS Executable (2002/3) 23.5% (.EXE) DOS Executable Generic (2000/1) |
| File icon (PE): |  |
| dhash icon | b268cd149686c5f9 (1 x XFilesStealer, 1 x RedLineStealer) |
| Reporter |  JAMESWT_WT |
| Tags: | exe XFilesStealer |
Intelligence
File Origin
# of uploads :
1
# of downloads :
366
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Client-built.exe
Verdict:
Malicious activity
Analysis date:
2022-07-12 11:48:38 UTC
Tags:
evasion trojan
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a file in the Windows subdirectories
Launching a process
Creating a process from a recently created file
Creating a file
Sending a custom TCP request
Setting a keyboard event handler
Creating a file in the %AppData% subdirectories
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
obfuscated overlay packed packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Result
Threat name:
Blackshades, Quasar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Deletes shadow drive data (may be related to ransomware)
Drops executables to the windows directory (C:\Windows) and starts them
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Blackshades RAT
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2022-07-12 11:54:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
23 of 26 (88.46%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 2'837 additional samples on MalwareBazaar
Result
Malware family:
quasar
Score:
10/10
Tags:
family:quasar persistence spyware suricata trojan
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Adds Run key to start application
Looks up external IP address via web service
Executes dropped EXE
Quasar RAT
suricata: ET MALWARE Common RAT Connectivity Check Observed
suricata: ET MALWARE W32/Quasar 1.3/Venom RAT Connectivity Check 2
suricata: ET MALWARE W32/Quasar 1.3/Venom RAT Connectivity Check 3
Unpacked files
SH256 hash:
bf00064f1e87cf4635ec83ebf5b80cd2605b9c071ee96622c93379261bf3d6da
MD5 hash:
82076c66adb01d25a283a27e2c3bdb34
SHA1 hash:
44c7fc16a1dec078dcd41e79aae7b064fed5b8d6
SH256 hash:
91490e0e2a4b99307b78fdf837af581829240617033d71db8b6b850190ba1076
MD5 hash:
03b0d49f065414901b7c4126936fad5a
SHA1 hash:
86011db2179090661052242b0cb866368c68416c
Malware family:
xRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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