MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdbd4ab43b66094471908c19e02c0e981c6c870ee546c53d31165936b5791596. 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: 6


Intelligence 6 IOCs YARA File information Comments

SHA256 hash: fdbd4ab43b66094471908c19e02c0e981c6c870ee546c53d31165936b5791596
SHA3-384 hash: 48b090c96f2bf7d7ca1091cd9e2d85775bc64e06b4dae44c2ef82fda5766680eac99aadc02a04fd7c4cbc4c03ee776ac
SHA1 hash: d6f9fa028512e16e0fdf6baa7e9aabc0c5308fe5
MD5 hash: 2761b208a9e97b7b2cff1c65d53b3011
humanhash: pennsylvania-cup-ohio-april
File name:Undelivered Message.exe
Download: download sample
Signature GuLoader
File size:167'936 bytes
First seen:2021-05-24 18:11:43 UTC
Last seen:2021-05-24 19:01:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash bac0045e142d72ef93e4f7c022040fd6 (4 x GuLoader)
ssdeep 1536:AcwJ5mBmvjywZpaCfAROML/vEfULxTHjbfZOTA4aIfCL8VnFA8XIHjiNeXsp8olj:/viDabOPfCH2ZlfIApIeL8olToA
Threatray 1'473 similar samples on MalwareBazaar
TLSH 48F3C4AD3E41EE63D05288F40B0B5474749524307DB74D2BE3E3E75A3774AE2AA29723
Reporter malwarelabnet
Tags:GuLoader

Intelligence


File Origin
# of uploads :
2
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Undelivered Message.exe
Verdict:
No threats detected
Analysis date:
2021-05-24 18:14:29 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
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.
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
rans.troj.evad
Score:
96 / 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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Potential malicious icon found
Tries to detect virtualization through RDTSC time measurements
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Vebzenpak
Status:
Malicious
First seen:
2021-05-17 01:22:57 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader downloader
Behaviour
Suspicious use of SetWindowsHookEx
Guloader,Cloudeye
Malware Config
C2 Extraction:
http://shotrry.kozow.com/uploud/5bab0b1d864615bab0b1d864b3/148_bin_qcuOBWtdh233.bin
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.

Comments