MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea8a5f241926eb0af59ee79ce2c80bbc87efb30bf160efe2fad7db5520115504. 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: 6


Intelligence 6 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ea8a5f241926eb0af59ee79ce2c80bbc87efb30bf160efe2fad7db5520115504
SHA3-384 hash: 07467cab7afc11c1f05e61d6141d17207af9ab3e3b975ae86a11dd140c704ad8bfc2ffecc4b41ae98b663c4a6f216d58
SHA1 hash: 742f924171bf466e18958d4b62d0c4b66a61b89e
MD5 hash: fc46fd50cb596781748fb78a977868c8
humanhash: sierra-mississippi-four-seventeen
File name:quotation_artno_45uty_11052020.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:118'784 bytes
First seen:2020-11-06 06:58:53 UTC
Last seen:2020-11-06 08:43:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 8fbab445ddf00d1a9210be13bcbccf52 (1 x GuLoader)
ssdeep 1536:JwANnDJ8+v3y/roQ6qfI/NqlRbvbO5fBsdsTacSAHI5bOOueDk:9+KafIVeywcSKIWeD
Threatray 574 similar samples on MalwareBazaar
TLSH 39C328D335F31E99EE7516B5CE274567192BACA0188A864F23C7059E4633BC4CA3B327
Reporter abuse_ch
Tags:exe GuLoader


Avatar
abuse_ch
GuLoader payload URL:
https://vlsesports.com/bin_ezVpPiIVD62.bin

Intelligence

File Origin
# of uploads :
2
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.35099400.10330.22024.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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.
Result
Threat name:
FormBook GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/522260
Signature
Contains functionality to hide a thread from the debugger
Creates autostart registry keys with suspicious values (likely registry only malware)
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 FormBook
Yara detected Generic Dropper
Yara detected GuLoader
Yara detected VB6 Downloader Generic
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 310254 Sample: quotation_artno_45uty_11052... Startdate: 06/11/2020 Architecture: WINDOWS Score: 100 57 Multi AV Scanner detection for domain / URL 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 7 other signatures 2->63 12 quotation_artno_45uty_11052020.exe 1 2 2->12         started        15 wscript.exe 2->15         started        process3 signatures4 89 Creates autostart registry keys with suspicious values (likely registry only malware) 12->89 91 Detected RDTSC dummy instruction sequence (likely for instruction hammering) 12->91 93 Tries to detect Any.run 12->93 95 3 other signatures 12->95 17 quotation_artno_45uty_11052020.exe 12 12->17         started        22 monticola.exe 2 15->22         started        process5 dnsIp6 51 vlsesports.com 51.161.84.170, 443, 49730, 49735 OVHFR Canada 17->51 47 C:\Users\user\AppData\Local\...\monticola.exe, PE32 17->47 dropped 49 C:\Users\user\AppData\Local\...\monticola.vbs, ASCII 17->49 dropped 65 Tries to detect Any.run 17->65 67 Hides threads from debuggers 17->67 24 monticola.exe 2 17->24         started        27 monticola.exe 7 22->27         started        file7 signatures8 process9 dnsIp10 75 Multi AV Scanner detection for dropped file 24->75 77 Detected RDTSC dummy instruction sequence (likely for instruction hammering) 24->77 79 Tries to detect Any.run 24->79 87 2 other signatures 24->87 30 monticola.exe 7 24->30         started        53 vlsesports.com 27->53 81 Modifies the context of a thread in another process (thread injection) 27->81 83 Maps a DLL or memory area into another process 27->83 85 Sample uses process hollowing technique 27->85 signatures11 process12 dnsIp13 55 vlsesports.com 30->55 97 Modifies the context of a thread in another process (thread injection) 30->97 99 Tries to detect Any.run 30->99 101 Maps a DLL or memory area into another process 30->101 103 3 other signatures 30->103 34 explorer.exe 30->34 injected signatures14 process15 process16 36 wscript.exe 34->36         started        39 control.exe 34->39         started        41 autochk.exe 34->41         started        signatures17 69 Modifies the context of a thread in another process (thread injection) 36->69 71 Maps a DLL or memory area into another process 36->71 73 Tries to detect virtualization through RDTSC time measurements 36->73 43 cmd.exe 1 36->43         started        process18 process19 45 conhost.exe 43->45         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ea8a5f241926eb0af59ee79ce2c80bbc87efb30bf160efe2fad7db5520115504/
Threat name:
Win32.Trojan.Vebzenpak
Create hunting rule
Status:
Malicious
First seen:
2020-11-05 18:52:50 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5kff6jaze3vqv5m646oofsalxsd67myl6fqo7yx227nvkiarkuca._file
Verdict:
malicious
Label(s):
guloader
Create hunting rule
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+ 564 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/201106-kzenkdpnbn/
Behaviour
Suspicious use of SetWindowsHookEx
Unpacked files
SH256 hash:
ea8a5f241926eb0af59ee79ce2c80bbc87efb30bf160efe2fad7db5520115504
MD5 hash:
fc46fd50cb596781748fb78a977868c8
SHA1 hash:
742f924171bf466e18958d4b62d0c4b66a61b89e
Link:
https://www.unpac.me/results/2f4ee059-3dc6-4b04-be00-c495aefd51ca/
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

GuLoader

Executable exe ea8a5f241926eb0af59ee79ce2c80bbc87efb30bf160efe2fad7db5520115504

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/792118/
  
Delivery method
Distributed via e-mail attachment

Comments