MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3a51813adeabd17d4939280137288152b2a3f25f7bf9e738c8f25df5ef49be31. 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: | 3a51813adeabd17d4939280137288152b2a3f25f7bf9e738c8f25df5ef49be31 |
|---|---|
| SHA3-384 hash: | 1bd3495ba12abccfbd27936dc4db1d90b8ef89910083672b3ea5ec1fd13ed3756189e9ca3f2ffc248381ba2d44e4d318 |
| SHA1 hash: | 5e27cc0eddb8646e26b72a7ff4f608df45c0eb8a |
| MD5 hash: | 4b7687321980c96093c8e6a43b764728 |
| humanhash: | arkansas-muppet-triple-robin |
| File name: | 4b7687321980c96093c8e6a43b764728.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 98'304 bytes |
| First seen: | 2021-04-23 12:15:23 UTC |
| Last seen: | 2021-04-23 12:58:18 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f401ad1c560f85eb5aae8e91f258deba (1 x GuLoader) |
| ssdeep | 768:kd2uNErYGMJDKf0aJxvOlu/ir5SGM7YMTdxIXX5ewWYOW75CZ8ZngsCBf1lC8Ym1:nd6VivjvO3IYCdxmL5rnGf1l/Ymas |
| Threatray | 5'029 similar samples on MalwareBazaar |
| TLSH | C9A34B7A3740F43DE14AC5BDABD802B860DA6CB45748850FD082290F2BB97F466767A7 |
| Reporter |  abuse_ch |
| Tags: | exe GuLoader |
abuse_ch
GuLoader payload URL:https://jbgmus.com/race/bin_AnJSJjS39.bin
https://lidamtour.com/disco/js/bin_AnJSJjS39.bin
Intelligence
File Origin
# of uploads :
2
# of downloads :
258
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4b7687321980c96093c8e6a43b764728.exe
Verdict:
No threats detected
Analysis date:
2021-04-23 12:23:35 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Guloader
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
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:
GuLoader
Verdict:
Malicious
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Found potential dummy code loops (likely to delay analysis)
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Potential malicious icon found
Potential time zone aware malware
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
Yara detected VB6 Downloader Generic
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2021-04-23 12:16:10 UTC
AV detection:
16 of 29 (55.17%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
+ 5'019 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader downloader guloader
Behaviour
Suspicious use of SetWindowsHookEx
Guloader Payload
Guloader,Cloudeye
Unpacked files
SH256 hash:
3a51813adeabd17d4939280137288152b2a3f25f7bf9e738c8f25df5ef49be31
MD5 hash:
4b7687321980c96093c8e6a43b764728
SHA1 hash:
5e27cc0eddb8646e26b72a7ff4f608df45c0eb8a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.16
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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MBC behaviors list (github.com/accidentalrebel/mbcscan):
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0) [B0009.029] Anti-Behavioral Analysis::Instruction Testing