MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efc65dfa10179e26ab832705d131228409c16c545445ece35bdc539d8be214f6. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efc65dfa10179e26ab832705d131228409c16c545445ece35bdc539d8be214f6
SHA3-384 hash: 8fc74ca1bc657327b5b643ea3d48de70102fa8f5b524853bf64525d2d720c7b582bbc599f3e0e859f2c28ad5aeee3554
SHA1 hash: 3b8e3eb633072585dd1c33bb107c3aa5d81fb781
MD5 hash: 2c367613f660093076d5af13ceab0fce
humanhash: delaware-four-video-seven
File name:DN.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:122'880 bytes
First seen:2021-10-18 08:30:30 UTC
Last seen:2021-10-18 13:28:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash fd2a350e6b9d34ec5cf88c61afb9d41f (3 x GuLoader, 1 x RemcosRAT)
ssdeep 1536:yie6Nvq6ke7v5BnUq5mkm34M2NUj67EOIeGTpPj5ZKmhLB:ze65ke7RBP8kA964OMTlrP
TLSH T111C338D295B45FE0D057437F43E14B76B83BBD600562AE0AF8EC3D2D0DB2A86A46135D
File icon (PE):PE icon
dhash icon 1003873d31213f10 (142 x DarkCloud, 132 x GuLoader, 35 x a310Logger)
Reporter pr0xylife
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
3
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/198060/
Detection(s):
SecuriteInfo.com.__vbaHresultCheckObj.8687.23503.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Link:
https://www.filescan.io/uploads/616d30c8db358dd15ebec640/reports/399808c8-68b6-41d2-ad28-1a7a6d840f29/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c22d9123-17de-41d7-901c-158ec49595eb
Result
Threat name:
GuLoader AgentTesla
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad.adwa.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/872058
Signature
Found malware configuration
GuLoader behavior detected
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Modifies the hosts file
Multi AV Scanner detection for submitted file
Potential malicious icon found
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1701 Sample: DN.exe Startdate: 18/10/2021 Architecture: WINDOWS Score: 100 30 mail.cselegance.com 2->30 32 cselegance.com 2->32 34 3 other IPs or domains 2->34 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Potential malicious icon found 2->52 54 Found malware configuration 2->54 56 5 other signatures 2->56 8 DN.exe 2->8         started        11 tKZVPq.exe 2 2->11         started        13 tKZVPq.exe 1 2->13         started        signatures3 process4 signatures5 58 Writes to foreign memory regions 8->58 60 Tries to detect Any.run 8->60 62 Hides threads from debuggers 8->62 15 CasPol.exe 2 13 8->15         started        20 conhost.exe 11->20         started        22 conhost.exe 13->22         started        process6 dnsIp7 36 cselegance.com 116.0.120.83, 49825, 587 GTC-MY-PIP-ASGlobalTransitCommunications-MalaysiaMY Malaysia 15->36 38 googlehosted.l.googleusercontent.com 142.250.186.65, 443, 49804 GOOGLEUS United States 15->38 40 drive.google.com 142.250.203.110, 443, 49803 GOOGLEUS United States 15->40 26 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->26 dropped 28 C:\Windows\System32\drivers\etc\hosts, ASCII 15->28 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->44 46 Tries to steal Mail credentials (via file access) 15->46 48 7 other signatures 15->48 24 conhost.exe 15->24         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efc65dfa10179e26ab832705d131228409c16c545445ece35bdc539d8be214f6/
Threat name:
Win32.Downloader.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2021-10-18 08:31:05 UTC
AV detection:
6 of 45 (13.33%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=57df36qqc6pcnk4de4c5cmjcqqe4c3cukrc6zy233rjz3c7cct3a._file
Verdict:
suspicious
Label(s):
cloudeye
Create hunting rule
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/211018-kep7eadcb9/
Behaviour
Suspicious use of SetWindowsHookEx
Guloader,Cloudeye
Unpacked files
SH256 hash:
efc65dfa10179e26ab832705d131228409c16c545445ece35bdc539d8be214f6
MD5 hash:
2c367613f660093076d5af13ceab0fce
SHA1 hash:
3b8e3eb633072585dd1c33bb107c3aa5d81fb781
Link:
https://www.unpac.me/results/eac7af99-9f22-46cb-898f-2337b8ce20db/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/efc65dfa10179e26ab832705d131228409c16c545445ece35bdc539d8be214f6

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/198060/

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