MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c3b325061dbb8de4fefd93109521cca123f4e4547fcf89f6d89e1af18b0f404. 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 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c3b325061dbb8de4fefd93109521cca123f4e4547fcf89f6d89e1af18b0f404
SHA3-384 hash: 4c2dc6122dcb7b1f2b34ea6b9bc9dc517f61cee2670de122c91dc381b2e2db748f0062baa2a3a3801e0de7c788628a5d
SHA1 hash: e63b329dcc61e539093056f74ea84699a48c9a0e
MD5 hash: 28ae5fbc7b233e44154acda8947afcb9
humanhash: river-sierra-wyoming-west
File name:28ae5fbc7b233e44154acda8947afcb9.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'392'640 bytes
First seen:2021-05-26 10:21:23 UTC
Last seen:2021-05-26 10:48:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:ZTTqlkwIIr8OIPy9tVwQpEdiZrxtwsUgBEmb2tkUc:Cvr6K9TwFOxysF6EOW
Threatray 1 similar samples on MalwareBazaar
TLSH 93554A2DA342C184F56D90B1CED0FAF30516BC2BDA0A2E5701C63F92757B64B2A7625F
Reporter abuse_ch
Tags:exe NanoCore RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
28ae5fbc7b233e44154acda8947afcb9.exe
Verdict:
Malicious activity
Analysis date:
2021-05-26 11:44:48 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/76070d73-3744-44cf-b3d8-251207155fe7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/162342/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.763.19753.21091.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/792440
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
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
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3c3b325061dbb8de4fefd93109521cca123f4e4547fcf89f6d89e1af18b0f404/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-05-26 10:21:51 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hq5teudb3o4n4t7p3eyqsuq4zijd6tsfi76prh3nrhq26gfq6qca._file
Verdict:
unknown
Similar samples:
2b40f16f6e73ec99e37d2367a73d138f907db5d51e44eb338469a82d3c143eff
NanoCore
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210526-9a11beb6q2/
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks whether UAC is enabled
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.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3c3b325061dbb8de4fefd93109521cca123f4e4547fcf89f6d89e1af18b0f404

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 3c3b325061dbb8de4fefd93109521cca123f4e4547fcf89f6d89e1af18b0f404

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1278794/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/162342/

Comments