MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 27a443c41d963cea02a5f71b9c71d0c48a0d3b3080fdf57597cfc1f33174b6e7. 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
| SHA256 hash: | 27a443c41d963cea02a5f71b9c71d0c48a0d3b3080fdf57597cfc1f33174b6e7 |
|---|---|
| SHA3-384 hash: | 3000a029552676be5ea297ba9bac97bba9ec908dbcc74c4567e2d0b9243ab199bd37f27114a5798a5b35e4348677f8b2 |
| SHA1 hash: | 2615b803129d92c6baeb8b1220dd376c87d6efb9 |
| MD5 hash: | 501f2a1e8bfbb40ddaa548d34d04f297 |
| humanhash: | happy-potato-kilo-low |
| File name: | Possible PO.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 65'536 bytes |
| First seen: | 2020-10-08 00:52:08 UTC |
| Last seen: | 2020-10-08 01:59:49 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | d69f519ae42d0f7dbb0f0ea17eed53bc (6 x GuLoader) |
| ssdeep | 768:/3z65MceXGxraPnhV8CFMYwDvBM+aI4FewR:93XGtEhiCBSZrqV |
| Threatray | 2'270 similar samples on MalwareBazaar |
| TLSH | 8E53D43DA7E94CA6F11CFD729A6143948D117C343EF84A5B14BA3B3A983778C9C90A47 |
| Reporter |  FORMALITYDE |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
2
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
AgentTesla GuLoader
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Contains functionality to hide a thread from the debugger
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Found malware configuration
Hides threads from debuggers
Installs a global keyboard hook
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Potential malicious icon found
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Vebzenpak
Status:
Malicious
First seen:
2020-10-08 00:54:07 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
guloader
Similar samples:
+ 2'260 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
1/10
Tags:
n/a
Behaviour
Suspicious use of SetWindowsHookEx
Unpacked files
SH256 hash:
27a443c41d963cea02a5f71b9c71d0c48a0d3b3080fdf57597cfc1f33174b6e7
MD5 hash:
501f2a1e8bfbb40ddaa548d34d04f297
SHA1 hash:
2615b803129d92c6baeb8b1220dd376c87d6efb9
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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