MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b9677a659f448378a905926188cf5bb05937016d65ad16cf1210817e909324f0. 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: 8
| SHA256 hash: | b9677a659f448378a905926188cf5bb05937016d65ad16cf1210817e909324f0 |
|---|---|
| SHA3-384 hash: | 6f373de5c698945c64b72ae4032ec39b6c2f92f8073e784c0a82487dd5124163db18ac736ec2e41a3d9dd7f2c745d576 |
| SHA1 hash: | e12c9a97047bae19470107c698a783e5d08d8868 |
| MD5 hash: | c85ee9fe0a4d346432307651cb4357a1 |
| humanhash: | triple-whiskey-beer-colorado |
| File name: | c85ee9fe0a4d346432307651cb4357a1 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 135'168 bytes |
| First seen: | 2021-07-29 07:21:17 UTC |
| Last seen: | 2021-07-29 07:50:35 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 73b8cec9d966d2100b9daa6840b6cd9b (1 x GuLoader) |
| ssdeep | 1536:pfm9nt/fJxs+BBBBBBBBBBBNQ6pAqnxoJpqQXRm8WSPHPKh22JCFEHmqpxGoEoQO:Knt/RxpYqnxcpqH8n5qaC/xtTys/Dn |
| Threatray | 15 similar samples on MalwareBazaar |
| TLSH | T136D3AE59F2BA284EDB338270171C94DE5ADA6C2730994374DB4FF9E6D45BCE90C822B1 |
| dhash icon | 2146e4c860985a2d (1 x GuLoader) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe GuLoader |
Intelligence
File Origin
# of uploads :
2
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice & BL copy.xlsx
Verdict:
Malicious activity
Analysis date:
2021-07-27 14:46:07 UTC
Tags:
encrypted exploit CVE-2017-11882
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
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:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 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
GuLoader behavior detected
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected GuLoader
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win32.Trojan.Vebzenpak
Status:
Malicious
First seen:
2021-07-28 15:09:21 UTC
AV detection:
13 of 27 (48.15%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
suspicious
Similar samples:
+ 5 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader downloader
Behaviour
Suspicious use of SetWindowsHookEx
Guloader,Cloudeye
Unpacked files
SH256 hash:
b9677a659f448378a905926188cf5bb05937016d65ad16cf1210817e909324f0
MD5 hash:
c85ee9fe0a4d346432307651cb4357a1
SHA1 hash:
e12c9a97047bae19470107c698a783e5d08d8868
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
Comments
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