MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e6249562be8d8ab7fe78437565bc91c6b2aff27365f3fa33272c0f700c683f62. 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: 8
| SHA256 hash: | e6249562be8d8ab7fe78437565bc91c6b2aff27365f3fa33272c0f700c683f62 |
|---|---|
| SHA3-384 hash: | 3b5c8b1de418967f2cd891ecd520e6f3c7a6d593dec620b536bf3593c6c1cda0048199a11e813882c69cac3e02c8fba4 |
| SHA1 hash: | 46168e4736ee37c2184e367c07d0e496b40dd456 |
| MD5 hash: | 567f0d332d9c0080fb37513454f6a672 |
| humanhash: | eight-emma-seventeen-fourteen |
| File name: | Cea mai bună scrisoare Serviciu de curierat Notificare de expediere.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 534'528 bytes |
| First seen: | 2020-08-13 11:09:52 UTC |
| Last seen: | 2020-08-13 12:24:41 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 6144:fhomg/dyW2AF5rYrjuzbWoouL18NZ9As+LNC94qlAlgavizB86Fso3KrdTl+15xh:53+CgVBxsAsqpqQgaieL451uokhe |
| Threatray | 1'087 similar samples on MalwareBazaar |
| TLSH | 14B4DF2A22F0DA09C07BF3BD51645016B3F7AD4B14A1D30BADD81CD90D35BD24A66EFA |
| Reporter |  abuse_ch |
| Tags: | exe geo Hostwinds NanoCore RAT ROU |
abuse_ch
Malspam distributing NanoCore:HELO: hwsrv-753851.hostwindsdns.com
Sending IP: 104.168.198.242
From: CELE MAI BUNE SERVICII DE COURIER DE LETRĂ PRETATE <info@grodab-chemie-de.com>
Subject: Re:Cea mai bună scrisoare Serviciu de curierat Notificare de expediere
Attachment: Cea mai bună scrisoare Serviciu de curierat Notificare de expediere.r11 (contains "Cea mai bună scrisoare Serviciu de curierat Notificare de expediere.exe")
NanoCore RAT C2:
fortyu.duckdns.org
Intelligence
File Origin
# of uploads :
2
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
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
Creating a file
Creating a file in the %AppData% subdirectories
DNS request
Connection attempt to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Detected Nanocore Rat
Found malware configuration
Injects a PE file into a foreign processes
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
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2020-08-13 11:11:06 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'077 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
keylogger trojan stealer spyware family:nanocore
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
NanoCore
Malware Config
C2 Extraction:
fortyu.duckdns.org:1369
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
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.
Malspam
Delivery method
Distributed via e-mail attachment
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