MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 2f66accdec56b5cf237769ae32305747939d28d01c0a860175f53c8a95d7d51e. 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: | 2f66accdec56b5cf237769ae32305747939d28d01c0a860175f53c8a95d7d51e |
|---|---|
| SHA3-384 hash: | 654e5aa27791b55c282f04abbb8cdafb60a41e1db98317886f45b164a5e4748f0caee0ef2a101233db0904462c73ef37 |
| SHA1 hash: | 449d863bc9788b5ed2de6e69d95b050bd1324e4c |
| MD5 hash: | ff0836d37bbb35cc22e676f7cc7e5f5b |
| humanhash: | uranus-maine-island-salami |
| File name: | ödeme belgeleri.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 580'096 bytes |
| First seen: | 2020-08-05 13:49:12 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 6144:SNfCSparEKaqjjttMpUkte3Dqg3juJHTf7xEc1Oq0taQcp1BkhrlVNCuFBCcWY4T:SNq4WPtMK3GQjuJzuc1+szdkhEuFf6v |
| Threatray | 1'127 similar samples on MalwareBazaar |
| TLSH | ADC47B592D704049FCEE0EBA482952D35ED2EC0B6A61916BD7603F56C23934CFCDAAF0 |
| Reporter |  abuse_ch |
| Tags: | exe geo NanoCore TUR |
abuse_ch
Malspam distributing NanoCore:HELO: slot0.advancedbileer.com
Sending IP: 104.168.136.28
From: MTC Mondial Trading Co <info@advancedbileer.com>
Subject: Geciken Faturayı Onaylayın
Attachment: deme belgeleri.7z (contains "ödeme belgeleri.exe")
Intelligence
File Origin
# of uploads :
1
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
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
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected Nanocore Rat
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)
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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.Kryptik
Status:
Malicious
First seen:
2020-08-05 13:40:08 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'117 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
jbbalboamonark.ddns.net:29890
91.192.100.25:29890
91.192.100.25:29890
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.76
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_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.
b5124fdc5aa787fc516e916e2c4516dc
Dropped by
MD5 b5124fdc5aa787fc516e916e2c4516dc
Delivery method
Distributed via e-mail attachment
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