MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3016a6fd03e57ee760ab4c79ec8822caa4eda8c24236d7eec230f6ca6f4d785a. 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 1

SHA256 hash: 3016a6fd03e57ee760ab4c79ec8822caa4eda8c24236d7eec230f6ca6f4d785a
SHA3-384 hash: 95bd37cde7d63998de77829cb45ba5b724c4121a0cc0d7bd577152ecce30bc000fc047f20467f828deee39517a84d236
SHA1 hash: 47aa16a6891b04af418270ca4ed318314c3464c6
MD5 hash: 365d37e09e2514a935e87f9ab793ffc9
humanhash: alanine-king-jupiter-solar
File name:365d37e0_by_Libranalysis
Download: download sample
Signature GuLoader
File size:112'352 bytes
First seen:2021-05-19 19:01:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3ad518cf51907bc8ca22f7a1354a4250 (11 x GuLoader, 2 x RemcosRAT)
ssdeep 1536:cmmjJbxmksikwUaORVWiIK35JcX0xbiP:cmUxFsitOa+JJcobO
Threatray 1'530 similar samples on MalwareBazaar
TLSH DEB3A3BAB5BBE470FE1980F0670C47EC81572A78C815495BDCC62518A7F2A76D6203FB
Reporter Libranalysis
Tags:GuLoader


Avatar
Libranalysis
Uploaded as part of the sample sharing project

Intelligence


File Origin
# of uploads :
1
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PLF.exe
Verdict:
Malicious activity
Analysis date:
2021-05-19 12:06:04 UTC
Tags:
trojan nanocore rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden 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.
Gathering data
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potential malicious icon found
Sigma detected: NanoCore
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 detect virtualization through RDTSC time measurements
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 417707 Sample: 365d37e0_by_Libranalysis Startdate: 19/05/2021 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Potential malicious icon found 2->50 52 Found malware configuration 2->52 54 8 other signatures 2->54 8 365d37e0_by_Libranalysis.exe 2->8         started        11 dhcpmon.exe 4 2->11         started        13 RegAsm.exe 4 2->13         started        15 dhcpmon.exe 3 2->15         started        process3 signatures4 64 Writes to foreign memory regions 8->64 66 Detected RDTSC dummy instruction sequence (likely for instruction hammering) 8->66 68 Tries to detect Any.run 8->68 70 2 other signatures 8->70 17 RegAsm.exe 1 21 8->17         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        26 conhost.exe 15->26         started        process5 dnsIp6 44 tzitziklishop.ddns.net 103.89.90.73, 1604, 49715, 49716 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN Viet Nam 17->44 46 hshjiopklmsacnzbcjuewahfdsnvmlazbcuewqjh.ydns.eu 103.232.54.201, 49711, 80 AIMS-MY-NETAIMSDataCentreSdnBhdMY Viet Nam 17->46 38 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 17->38 dropped 40 C:\Users\user\AppData\Local\...\tmp8166.tmp, XML 17->40 dropped 42 C:\Program Files (x86)\...\dhcpmon.exe, PE32 17->42 dropped 56 Uses schtasks.exe or at.exe to add and modify task schedules 17->56 58 Detected RDTSC dummy instruction sequence (likely for instruction hammering) 17->58 60 Tries to detect Any.run 17->60 62 3 other signatures 17->62 28 schtasks.exe 1 17->28         started        30 schtasks.exe 1 17->30         started        32 conhost.exe 17->32         started        file7 signatures8 process9 process10 34 conhost.exe 28->34         started        36 conhost.exe 30->36         started       
Threat name:
Win32.Backdoor.NanoBot
Status:
Malicious
First seen:
2021-05-19 13:50:06 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:guloader family:nanocore downloader evasion keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Checks QEMU agent file
Guloader,Cloudeye
NanoCore
Malware Config
C2 Extraction:
http://hshjiopklmsacnzbcjuewahfdsnvmlazbcuewqjh.ydns.eu/Plugman%20nano_CyboYajPN254.bin
tzitziklishop.ddns.net:1604
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.

Web download

GuLoader

Executable exe 3016a6fd03e57ee760ab4c79ec8822caa4eda8c24236d7eec230f6ca6f4d785a

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-19 20:09:00 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009.029] Anti-Behavioral Analysis::Instruction Testing