MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 72a76728e56304e0d34e9f9512e20e8cc330376ac0d099862920cb003d161acc. 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: | 72a76728e56304e0d34e9f9512e20e8cc330376ac0d099862920cb003d161acc |
|---|---|
| SHA3-384 hash: | 99321c1bf2e1e79dc067b385c7fbc39e5acda44900e0b28e9fdc11c6317a47a765976c4c184de87744812aba0e48cd65 |
| SHA1 hash: | 309cf4e350775b3210f7a680848b482cd5a4ada4 |
| MD5 hash: | b0e705ed054b12a16d039218250e2c1d |
| humanhash: | wisconsin-uncle-october-enemy |
| File name: | New Order 76542 PDF.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 1'359'360 bytes |
| First seen: | 2021-02-09 10:05:44 UTC |
| Last seen: | 2021-02-09 12:00:18 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 24576:SiPXb7avBulXFr/p1tTYI10agjuRYrEfMXPOl6+:J7aUFTdaamuSrTXPC |
| Threatray | 3 similar samples on MalwareBazaar |
| TLSH | 3655E1626354CB60C5B9B33BC999816813F5FCCACF13D11B7F49B7ED6533680AA2A205 |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore RAT Yahoo |
abuse_ch
Malspam distributing NanoCore:HELO: sonic301-31.consmr.mail.bf2.yahoo.com
Sending IP: 74.6.129.230
From: Ibraham Hassan <ibrahamhassan27@yahoo.com>
Subject: February Order
Attachment: New Order 76542 PDF.rar (contains "New Order 76542 PDF.exe")
NanoCore RAT C2:
ammagedom.ddns.net
Intelligence
File Origin
# of uploads :
2
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New Order 76542 PDF.exe
Verdict:
Malicious activity
Analysis date:
2021-02-09 10:08:52 UTC
Tags:
rat nanocore
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
DNS request
Sending a custom TCP request
Creating a window
Creating a file in the %temp% directory
Creating a file in the %AppData% directory
Sending a UDP request
Creating a process from a recently created file
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Connection attempt
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
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
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-02-09 01:05:23 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
5/5
Detection(s):
Malicious file
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore evasion keylogger persistence ransomware spyware stealer trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Drops file in Program Files directory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Drops startup file
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
ammagedom.ddns.net:6653
Unpacked files
SH256 hash:
72a76728e56304e0d34e9f9512e20e8cc330376ac0d099862920cb003d161acc
MD5 hash:
b0e705ed054b12a16d039218250e2c1d
SHA1 hash:
309cf4e350775b3210f7a680848b482cd5a4ada4
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
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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