MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca0331ec9c8eb2e67a05a69b85820325991ddc73eb82fb24be527922cb1e3ba1. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca0331ec9c8eb2e67a05a69b85820325991ddc73eb82fb24be527922cb1e3ba1
SHA3-384 hash: 7ed4a67fc522464b3daa87cdeb3a5a33fae8d1f036c4a309052cd71190fe2a64f4fd135647716599d7830af1e73fe482
SHA1 hash: 23bb6793d92ffac1fe5f78dc957ba35d83ee0845
MD5 hash: 725af00614f3558703ad172c7b938704
humanhash: gee-india-nitrogen-wisconsin
File name:Ifdnxbsr.exe
Download: download sample
Signature XFilesStealer
Create hunting rule
File size:3'246'080 bytes
First seen:2022-06-19 11:07:48 UTC
Last seen:2022-06-19 17:45:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 98304:Ze9rrnlCXd9sRKQkOlhjflx4aQlqJ1tfaI:c9rraiRKi5ZrJDyI
TLSH T117E53352288F431BCC2A03FE091AD7EF55B4EE5F79D14915F45AA80B479A03AD9CAF0C
TrID 63.5% (.EXE) Win64 Executable (generic) (10523/12/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon f0cccc4d69aad4f0 (1 x XFilesStealer)
Reporter iamdeadlyz
Tags:exe XFilesStealer XMRIG

Intelligence

File Origin
# of uploads :
3
# of downloads :
302
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/281254/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.39831711.26843.3112.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed quasar wacatac
Link:
https://www.filescan.io/uploads/62af03d1c07f2e38a15d3b5b/reports/b45e0e04-d37b-4ebd-aee0-22619067981c/overview
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.
Malware family:
AVEMARIA
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/25faf773-957f-4f53-9a55-920f6e144d09
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1015856
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Creates an undocumented autostart registry key
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Uses known network protocols on non-standard ports
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 648352 Sample: Ifdnxbsr.exe Startdate: 19/06/2022 Architecture: WINDOWS Score: 100 33 123.105.12.0.in-addr.arpa 2->33 35 bot.freemaple.net 2->35 43 Multi AV Scanner detection for domain / URL 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 7 other signatures 2->49 8 Ifdnxbsr.exe 15 7 2->8         started        signatures3 process4 dnsIp5 37 bot.freemaple.net 158.247.232.56, 4444, 49758, 49855 FEWPBUS United States 8->37 27 C:\Users\user\AppData\Roaming\...\Client.exe, PE32+ 8->27 dropped 29 C:\Users\user\...\Client.exe:Zone.Identifier, ASCII 8->29 dropped 31 C:\Users\user\AppData\...\Ifdnxbsr.exe.log, ASCII 8->31 dropped 51 Creates an undocumented autostart registry key 8->51 53 Writes to foreign memory regions 8->53 55 Modifies the context of a thread in another process (thread injection) 8->55 57 Injects a PE file into a foreign processes 8->57 13 RegAsm.exe 2 8->13         started        17 powershell.exe 18 8->17         started        19 cmd.exe 1 8->19         started        file6 signatures7 process8 dnsIp9 39 123.105.12.0.in-addr.arpa 13->39 41 bot.freemaple.net 13->41 59 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 13->59 61 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->61 21 conhost.exe 17->21         started        23 conhost.exe 17->23         started        25 timeout.exe 1 17->25         started        signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca0331ec9c8eb2e67a05a69b85820325991ddc73eb82fb24be527922cb1e3ba1/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2022-06-18 17:49:00 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
13
AV detection:
10 of 26 (38.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zibtd3e4r2zom6qfu2nylaqdewmr3xdt5obpwjf6kj4sfsy6hoqq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Link:
https://tria.ge/reports/220619-m8jmtsggb6/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
ca0331ec9c8eb2e67a05a69b85820325991ddc73eb82fb24be527922cb1e3ba1
MD5 hash:
725af00614f3558703ad172c7b938704
SHA1 hash:
23bb6793d92ffac1fe5f78dc957ba35d83ee0845
Link:
https://www.unpac.me/results/bd095106-a3e7-4917-b143-789b3643e27d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ca0331ec9c8eb2e67a05a69b85820325991ddc73eb82fb24be527922cb1e3ba1

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

XFilesStealer

Executable exe ca0331ec9c8eb2e67a05a69b85820325991ddc73eb82fb24be527922cb1e3ba1

(this sample)

  
X
https://twitter.com/ecarlesi/status/1538377956812259329
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/281254/
  
URLhaus
https://urlhaus.abuse.ch/url/2244895/

Comments