MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b249adc69dee1e1fe2a26085be1a3623fd0782fbfa7b86e3e77bd63e3cd61c3f. 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: 11


Intelligence 11 IOCs 1 YARA 6 File information Comments

SHA256 hash: b249adc69dee1e1fe2a26085be1a3623fd0782fbfa7b86e3e77bd63e3cd61c3f
SHA3-384 hash: 7ffb69e920648a6fcef91af7be05e9a97e3251581178e4a52a544f8c97c9a678336acf8431bdc0119ff4d7d110745b50
SHA1 hash: 9c21c4cbf63aaca9822633d3a55f5bf1509935d8
MD5 hash: 8f91591edfcf9b980a335438c931c3e0
humanhash: twelve-berlin-island-rugby
File name:Al kabous LtdPurchase order NO#00421876.exe
Download: download sample
Signature NanoCore
File size:994'304 bytes
First seen:2021-04-27 15:15:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:WoIFoAUJSEXB8/DoM0wv+Ys/bmmQh+RZdNltzKLGyIyUvx:nIFvaSbDOgIQYZdNl3nD
Threatray 1'801 similar samples on MalwareBazaar
TLSH 3125D0226318BF59E03C9778A1245A08D3F5FD4BDB26DB9D7DE410CA2E21E418B67723
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
185.222.57.152:4001

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
185.222.57.152:4001 https://threatfox.abuse.ch/ioc/9369/

Intelligence


File Origin
# of uploads :
1
# of downloads :
161
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Al kabous LtdPurchase order NO#00421876.exe
Verdict:
Malicious activity
Analysis date:
2021-04-27 15:19:08 UTC
Tags:
trojan nanocore rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: NanoCore
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-04-27 15:16:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
13 of 29 (44.83%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
185.222.57.152:4001
127.0.0.1:4001
Unpacked files
SH256 hash:
11cf5a51e593c007ff4f91294cf505ffd5e425e56387c60d81e6479cc284cc3b
MD5 hash:
73cc3f7e7700e6a54cb5f291dffe5aa1
SHA1 hash:
09174f9fa55c9bac0540efb7a8c682878a32d02d
SH256 hash:
b249adc69dee1e1fe2a26085be1a3623fd0782fbfa7b86e3e77bd63e3cd61c3f
MD5 hash:
8f91591edfcf9b980a335438c931c3e0
SHA1 hash:
9c21c4cbf63aaca9822633d3a55f5bf1509935d8
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:ach_NanoCore
Author:abuse.ch
Rule name:Nanocore
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:nanocore_rat
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:win_nanocore_w0
Author: Kevin Breen <kevin@techanarchy.net>

File information


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

Comments