MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c83ae5695c48f86c4a90f32a1c2e2cf93656d6880e8e5322f671ef79a98fe934. 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: | c83ae5695c48f86c4a90f32a1c2e2cf93656d6880e8e5322f671ef79a98fe934 |
|---|---|
| SHA3-384 hash: | ee1df16356729e2b28a6d44527b1a31de4e604597a201d2564396f9c986ed92c823a69c3f0e7ed9edcec2639d670adcb |
| SHA1 hash: | a42190d54492e5283a36ccbe646556efb8786b25 |
| MD5 hash: | bfc38d07f22a9d1c389b44d30ffeba86 |
| humanhash: | zebra-two-south-vegan |
| File name: | Purchase Order.pf.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 65'536 bytes |
| First seen: | 2020-10-06 06:00:57 UTC |
| Last seen: | 2020-10-06 13:14:51 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b05ff7faf0ef7c5daecbf99f3a4e5a6f (6 x GuLoader) |
| ssdeep | 768:1qE87y2yFaIgcMkjE9N44ZECYS2gI2epIT8fj:AEZFaITEFYSfgd |
| Threatray | 2'261 similar samples on MalwareBazaar |
| TLSH | E253D439B7C86DB2F16DBEB11AA182D90D513D703CE9458328B8377A183BB1C8D556D3 |
| Reporter |  abuse_ch |
| Tags: | exe GuLoader |
abuse_ch
Malspam distributing GuLoader:HELO: mail.com
Sending IP: 199.115.195.102
From: Eng. M. Husni Abdulwahab <company-procurements@mail.com>
Subject: Purchase Order
Attachment: Purchase Order.pf.z (contains "Purchase Order.pf.exe")
GuLoader payload URL:
https://onedrive.live.com/download?cid=7B6A3EE1AA3735F9&resid=7B6A3EE1AA3735F9%21117&authkey=AB1wXkw7K-sCyj8
Intelligence
File Origin
# of uploads :
3
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Sending a UDP request
Creating a window
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Executable has a suspicious name (potential lure to open the executable)
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Potential malicious icon found
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
Writes to foreign memory regions
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Vebzenpak
Status:
Malicious
First seen:
2020-10-06 02:06:06 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
suspicious
Similar samples:
+ 2'251 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
1/10
Tags:
n/a
Behaviour
Suspicious use of SetWindowsHookEx
Unpacked files
SH256 hash:
c83ae5695c48f86c4a90f32a1c2e2cf93656d6880e8e5322f671ef79a98fe934
MD5 hash:
bfc38d07f22a9d1c389b44d30ffeba86
SHA1 hash:
a42190d54492e5283a36ccbe646556efb8786b25
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Vcrypt
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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