MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 642a0df15a9b8e3124d638e755f0bdbacd0d1c3ff01b59b36213a190a5e5645a. 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: | 642a0df15a9b8e3124d638e755f0bdbacd0d1c3ff01b59b36213a190a5e5645a |
|---|---|
| SHA3-384 hash: | 94a35ba8131fe5528b06923f04f5c00c05050ad2a25544a5ed05604e6c83af603773ed8c920a9e8c68477e99323b006e |
| SHA1 hash: | 82a22cb59d46bae21fa4877015e163eacc04a022 |
| MD5 hash: | c8feb9d53b567cd1bfb0e59cf7d26bc2 |
| humanhash: | social-mobile-twelve-emma |
| File name: | c8feb9d53b567cd1bfb0e59cf7d26bc2.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 118'784 bytes |
| First seen: | 2021-07-20 13:17:59 UTC |
| Last seen: | 2021-07-23 13:18:30 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 5c4d602843f54570889588b32f7af650 (1 x GuLoader) |
| ssdeep | 1536:/bjX1R6rHR+Gz6YsFdVfKcLe0NMDfuoFVHYGokXYtvcOOfgrJZ+R6rHJXdb:jjX1yH1HErzwmoFtoZtkJgrCyHJXd |
| Threatray | 11 similar samples on MalwareBazaar |
| TLSH | T1F3C3BF38E2987B2FD2B7DE7643E80BA388C18C956A50CB3EA7B6D25565235C07F35170 |
| Reporter |  abuse_ch |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
3
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Order Request for Quotation.xlsx
Verdict:
Malicious activity
Analysis date:
2021-07-20 11:59:46 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:
Unknown
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad.spre.spyw
Score:
100 / 100
Signature
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
GuLoader behavior detected
Hides threads from debuggers
Installs a global keyboard hook
Machine Learning detection for sample
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: RegAsm connects to smtp port
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Behaviour
Behavior Graph:
Detection:
guloader
Threat name:
Win32.Trojan.Vebzenpak
Status:
Malicious
First seen:
2021-07-20 13:18:16 UTC
AV detection:
10 of 27 (37.04%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 1 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:
642a0df15a9b8e3124d638e755f0bdbacd0d1c3ff01b59b36213a190a5e5645a
MD5 hash:
c8feb9d53b567cd1bfb0e59cf7d26bc2
SHA1 hash:
82a22cb59d46bae21fa4877015e163eacc04a022
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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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