MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8918cac7def47a7ac76637f485862b03b005d3b9eaa6a6b5c99ec781068ccfb6. 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
| SHA256 hash: | 8918cac7def47a7ac76637f485862b03b005d3b9eaa6a6b5c99ec781068ccfb6 |
|---|---|
| SHA3-384 hash: | 597adf4dd2854a5e7d5a2a26d8fd5eb637fb12373dd4d47f5a81a4dcb7fd5cbeddfc55d41655403d87d0b515fd922956 |
| SHA1 hash: | 1bf028428d5676b664e6068839e2aea422e804ca |
| MD5 hash: | 35c74fcc584114fdb5aa8f46d80fc969 |
| humanhash: | queen-floor-magnesium-twelve |
| File name: | Project_Purchase_ A02057 NMB TYP PIP SCAN000.pdf.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 529'920 bytes |
| First seen: | 2020-10-26 09:08:28 UTC |
| Last seen: | 2020-10-26 11:23:44 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:ZbVzLbJpQwu7yYsymmGZuzbXAN0203Jq8HcD+jrrN:ZVbJpHu7lmmGZy7U0P3Uuc6jN |
| Threatray | 1'214 similar samples on MalwareBazaar |
| TLSH | E6B4F2B0F0D2ACEBF8E686F7086DE92012E1255F5466D60DE1F57B6589F335202F1A0B |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore RAT |
abuse_ch
Malspam distributing NanoCore:HELO: server.ccamatli.com
Sending IP: 185.104.114.215
From: AZHAR OSMAN <azharosman@ccamatli.com>
Subject: RFQ 33091782773847 (DAHLIA, TERATAI & KANGSAR) - SUPPLY
Attachment: Project_Purchase_ A02057 NMB TYP PIP SCAN000.pdf.img (contains "Project_Purchase_ A02057 NMB TYP PIP SCAN000.pdf.exe")
NanoCore RAT C2s:
engr101.ddns.net:41205 (129.205.112.168)
engr101.hopto.org:41205 (93.161.193.99)
Intelligence
File Origin
# of uploads :
2
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Result
Verdict:
Malware
Maliciousness:
Behaviour
Connection attempt
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Connects to many ports of the same IP (likely port scanning)
Detected Nanocore Rat
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 dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-25 23:43:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'204 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
persistence evasion trojan keylogger stealer spyware family:nanocore
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
engr101.ddns.net:41205
engr101.hopto.org:41205
engr101.hopto.org:41205
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.
Malspam
Delivery method
Distributed via e-mail attachment
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