MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 145140cd633a7bf56dc72d7122eab466b85712460a3c33eced6256e18c0407c6. 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: 10
| SHA256 hash: | 145140cd633a7bf56dc72d7122eab466b85712460a3c33eced6256e18c0407c6 |
|---|---|
| SHA3-384 hash: | 2538f86ed2cf9027257115becd4767d8427fd4ca978a898a4799445dcc55e047a73a280300f4fefda4705a5ef4a9adae |
| SHA1 hash: | 4b56e597c61e83cb39e9e205f2ffc9a563cbf7f3 |
| MD5 hash: | 235614a191c0fe4dd483f5909248c306 |
| humanhash: | carbon-vermont-gee-kilo |
| File name: | Urgent Order Confirmation #03082021MZGBD.bat |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 114'688 bytes |
| First seen: | 2021-08-04 05:51:00 UTC |
| Last seen: | 2021-08-04 07:21:53 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b28b105866cd7f6746798ef93a2371be (3 x GuLoader) |
| ssdeep | 1536:kRIGq74rWrI99mWxGUr1sNbPxpOMddVgkDxY7mc:kRI17QmWx6NbZ4MfVBC |
| Threatray | 5'493 similar samples on MalwareBazaar |
| TLSH | T1F8B36D11A2B0ED45D28FC7B8D95DA5EA1204FE34F0009933AA1D7FADF5392D3D1A4A4B |
| dhash icon | 7472ede4d0c0f8e8 (3 x GuLoader) |
| Reporter |  cocaman |
| Tags: | bat exe GuLoader |
cocaman
Malicious email (T1566.001)From: ""sales1" <sales1@profdraft.com>" (likely spoofed)
Received: "from profdraft.com (unknown [185.222.57.85]) "
Date: "04 Aug 2021 05:15:16 +0200"
Subject: "URGENT PO 03082021MZGBD Line#15 required urgent"
Attachment: "Urgent Order Confirmation #03082021MZGBD.bat"
Intelligence
File Origin
# of uploads :
2
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Urgent_Order_Confirmation__03082021MZGBD.bat
Verdict:
Suspicious activity
Analysis date:
2021-08-04 02:31:40 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:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
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:
troj.evad
Score:
88 / 100
Signature
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Found potential dummy code loops (likely to delay analysis)
GuLoader behavior detected
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
Multi AV Scanner detection for submitted file
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
Behaviour
Behavior Graph:
Detection:
guloader
Threat name:
Win32.Trojan.Mucc
Status:
Malicious
First seen:
2021-08-03 13:56:55 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
16 of 46 (34.78%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 5'483 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:
145140cd633a7bf56dc72d7122eab466b85712460a3c33eced6256e18c0407c6
MD5 hash:
235614a191c0fe4dd483f5909248c306
SHA1 hash:
4b56e597c61e83cb39e9e205f2ffc9a563cbf7f3
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.
Malspam
Delivery method
Distributed via e-mail attachment
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