MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 0f865ea5da07ebc805df7ea205e25e14271b0a475b278846c33f3733c4723a7e. 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: | 0f865ea5da07ebc805df7ea205e25e14271b0a475b278846c33f3733c4723a7e |
|---|---|
| SHA3-384 hash: | fa3457fb5bbd9059ec0d39b225a8e40854a83ae3ad5b08d4e319487dade1057b683d9bdbc4c6cde2ff5cf0ed8abedb26 |
| SHA1 hash: | 531c509fc13e59479f980ec2b2bfa7f20959e618 |
| MD5 hash: | 81be4ef4055799704efb59a568bbc549 |
| humanhash: | mirror-papa-seventeen-artist |
| File name: | TENDER-REQUEST(03-9202 87004)_SOLARTRON.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 90'112 bytes |
| First seen: | 2020-11-06 17:33:24 UTC |
| Last seen: | 2020-11-06 19:39:54 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f68756dc2833873b5ac05b0e38772df2 (6 x GuLoader) |
| ssdeep | 1536:IPC9LtJBquIPq6Vzv/QhBhBDFk/zHC9La:t9TOC6V7/Q33GLi9 |
| Threatray | 883 similar samples on MalwareBazaar |
| TLSH | BE936D3DB764C456C2218E781C255B2C4E82B5B9F0343B53F5CC098A2EFD26D6A939B5 |
| Reporter |  abuse_ch |
| Tags: | exe GuLoader |
abuse_ch
Malspam distributing GuLoader:HELO: mail.solartron.co.th
Sending IP: 103.55.1.244
From: Solartron - Wuttigrai <wuttigrai_k@solartron.co.th>
Reply-To: Solartron - Wuttigrai <wuttigrai_k-solartron.co.th@mail.com>
Subject: ENQUIRY / TENDER - EARTHING SYSTEM & SOLAR SYSTEM
Attachment: TENDER-REQUEST03-9202 87004_SOLARTRON.rar (contains "TENDER-REQUEST(03-9202 87004)_SOLARTRON.exe")
GuLoader payload URL:
https://redesuperpops.com.br/spike/kayype_yiVRxMUa36.bin
Intelligence
File Origin
# of uploads :
2
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
88 / 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)
Hides threads from debuggers
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
Yara detected GuLoader
Yara detected VB6 Downloader Generic
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Ymacco
Status:
Malicious
First seen:
2020-11-06 12:12:02 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
guloader
Similar samples:
+ 873 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
1/10
Tags:
n/a
Behaviour
Suspicious use of SetWindowsHookEx
Unpacked files
SH256 hash:
0f865ea5da07ebc805df7ea205e25e14271b0a475b278846c33f3733c4723a7e
MD5 hash:
81be4ef4055799704efb59a568bbc549
SHA1 hash:
531c509fc13e59479f980ec2b2bfa7f20959e618
Please note that we are no longer able to provide a coverage score for Virus Total.
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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