MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66e4fb4c25d6f26bd7322782642f7b3ffd5747ca736e64868f8a3c76467bf8c0. 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



GuLoader


Vendor detections: 7


Intelligence 7 IOCs YARA File information Comments

SHA256 hash: 66e4fb4c25d6f26bd7322782642f7b3ffd5747ca736e64868f8a3c76467bf8c0
SHA3-384 hash: 5cfa831e1a053e224a2b0a2dc652bd6facadd54583eeae262aba2828dff9cfe0e7a4d9f6927b88e8256f7f06474c490a
SHA1 hash: 4c7ff9565349068f73d96f48423ee5ae4f832fa6
MD5 hash: da7e577b39dc1882d8c2f5819ead22e3
humanhash: hotel-freddie-table-florida
File name:Cailbers22LongRiflorderlist.exe
Download: download sample
Signature GuLoader
File size:270'336 bytes
First seen:2021-06-15 14:53:22 UTC
Last seen:2021-06-15 15:42:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash adaafa2c180eccb7addf1201d12c8322 (4 x GuLoader)
ssdeep 3072:SH1hZYJQKX+an/XNSn3N59UN9+xc9+OTPl3p1YCxsaX5vt42TM:eyvNy5aN8xK+OB3zYwHo
Threatray 55 similar samples on MalwareBazaar
TLSH 2044C943B2477626D0A89C7026ABD12A77FA2D77F21058033AC1BF3767349A77DB0916
Reporter Anonymous
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
2
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Cailbers22LongRiflorderlist.exe
Verdict:
No threats detected
Analysis date:
2021-06-15 14:55:07 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Found malware configuration
Found potential dummy code loops (likely to delay analysis)
Initial sample is a PE file and has a suspicious name
Tries to detect virtualization through RDTSC time measurements
Yara detected GuLoader
Behaviour
Behavior Graph:
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader downloader
Behaviour
Suspicious use of SetWindowsHookEx
Guloader,Cloudeye
Malware Config
C2 Extraction:
https://onedrive.live.com/download?cid=CF699836D17ED884&resid=CF699836D17ED884%21110&authkey=AB6GufhtYFcXJ00
Unpacked files
SH256 hash:
66e4fb4c25d6f26bd7322782642f7b3ffd5747ca736e64868f8a3c76467bf8c0
MD5 hash:
da7e577b39dc1882d8c2f5819ead22e3
SHA1 hash:
4c7ff9565349068f73d96f48423ee5ae4f832fa6
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

  
Delivery method
Distributed via e-mail link

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