MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eec100fdef88c4bcd7fe30040ccd0476cac543ab8edda576c5e5a799606c585e. 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



NanoCore


Vendor detections: 9


Intelligence 9 IOCs 1 YARA 2 File information Comments 1

SHA256 hash: eec100fdef88c4bcd7fe30040ccd0476cac543ab8edda576c5e5a799606c585e
SHA3-384 hash: 57ede02ce4ce46eee880db4c608da5211dbc8a93f3088e47c689430d06931128d21f86cc3b6264855960e990c1754cc8
SHA1 hash: 71e8666304c34b0e4f96502c1a9747acf19acfa5
MD5 hash: 5003ed514f5ec9f0c5fbbc8994dfbfe7
humanhash: sodium-pennsylvania-island-berlin
File name:5003ed514f5ec9f0c5fbbc8994dfbfe7.exe
Download: download sample
Signature NanoCore
File size:1'250'816 bytes
First seen:2021-05-12 09:50:50 UTC
Last seen:2021-05-12 10:52:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:fB4YJ28quwK87NXNAekJ+pL04NVMOVgrmjX0970Jorgb8OvDUo80:6d1uwHNXeeD0zOVxjE97060b8Ov38
Threatray 1'889 similar samples on MalwareBazaar
TLSH DB4522DE311CB3FFC0A7D0714A986D54AA247DB2476F0617A807A1ADCABE947CF10672
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
79.134.225.47:5600

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
79.134.225.47:5600 https://threatfox.abuse.ch/ioc/34394/

Intelligence


File Origin
# of uploads :
3
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
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:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected Nanocore Rat
Detected unpacking (changes PE section rights)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Sigma detected: NanoCore
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-05-12 09:51:13 UTC
AV detection:
17 of 47 (36.17%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
NanoCore
Malware Config
C2 Extraction:
wespeaktruthtoman.sytes.net:5600
wespeaktruthtoman12.sytes.net:5600
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

NanoCore

Executable exe eec100fdef88c4bcd7fe30040ccd0476cac543ab8edda576c5e5a799606c585e

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-12 10:00:22 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection