MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1a4407fd45881091495f927612c7be23ab6de71949e4192cdc58154986d2c827. 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: 5
| SHA256 hash: | 1a4407fd45881091495f927612c7be23ab6de71949e4192cdc58154986d2c827 |
|---|---|
| SHA3-384 hash: | 1b232c64ef704961a1d986e24bc464c599510b599e17f4125bbe012daeeba5df63cf36fe678488280990089fe9d8b4b7 |
| SHA1 hash: | a77c9fc2b255398f53d28f6e67633c62a0143fa5 |
| MD5 hash: | 8272ecc1672ecb390cdedb27df85b20d |
| humanhash: | uranus-robert-nuts-india |
| File name: | URGENT MEDICAL REQUIREMENT.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 65'536 bytes |
| First seen: | 2021-01-13 20:07:38 UTC |
| Last seen: | 2021-01-13 21:59:39 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | e4e19abc2b8b3cdf6beb846e51c393a2 (4 x GuLoader) |
| ssdeep | 768:IkQzo6k3c8OPfkCdmhrvbQEGF67WCCfElQZ:pQzcsgCq/QNFUaElS |
| Threatray | 625 similar samples on MalwareBazaar |
| TLSH | 11537D11D968C4CFE58EFBF130B2C6557EE3A091A9900E4B3C483A34BD2E4C26B94767 |
| Reporter |  abuse_ch |
| Tags: | exe GuLoader |
abuse_ch
Malspam distributing GuLoader:HELO: server.blackcathostal.com
Sending IP: 68.66.194.83
From: BOBB Heavy Equipment Rental L.L.C. <remesh@bobcranes.ae>
Subject: URGENT MEDICAL REQUIREMENT
Attachment: URGENT MEDICAL REQUIREMENT.gz (contains "URGENT MEDICAL REQUIREMENT.exe")
GuLoader payload URL:
https://drive.google.com/uc?export=download&id=1xwdGwTWLQhPsVUs9VH4Sdefcrf_TA4Fj
Intelligence
File Origin
# of uploads :
2
# of downloads :
240
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ
Verdict:
No threats detected
Analysis date:
2021-01-13 15:52:43 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Found potential dummy code loops (likely to delay analysis)
Multi AV Scanner detection for submitted file
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.Trojan.Generic
Status:
Suspicious
First seen:
2021-01-13 20:08:15 UTC
AV detection:
11 of 29 (37.93%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
suspicious
Similar samples:
+ 615 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
1/10
Tags:
n/a
Behaviour
Suspicious use of SetWindowsHookEx
Unpacked files
SH256 hash:
1a4407fd45881091495f927612c7be23ab6de71949e4192cdc58154986d2c827
MD5 hash:
8272ecc1672ecb390cdedb27df85b20d
SHA1 hash:
a77c9fc2b255398f53d28f6e67633c62a0143fa5
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
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.