MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fddbfcd2f4497ffd75f9f1be1619ba4cf5a5ca99df6eb888216e2e0f2bec7990. 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: | fddbfcd2f4497ffd75f9f1be1619ba4cf5a5ca99df6eb888216e2e0f2bec7990 |
|---|---|
| SHA3-384 hash: | f6b1c01f7ba79d89539f66223bc3a4f9600c00b60754042dc91f250139cc1864496e9b256facac9d19bc5a6cf88ae1c1 |
| SHA1 hash: | 055ef53b8e264b99d0dc2755db8846dda179e482 |
| MD5 hash: | 492e185e7662e6a2ee670815bb10bef4 |
| humanhash: | earth-edward-mango-equal |
| File name: | inquiry.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 1'076'224 bytes |
| First seen: | 2020-08-31 09:20:22 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 73ae1eef07955a270fc7a7f873444c85 (16 x AgentTesla, 8 x MassLogger, 5 x Loki) |
| ssdeep | 12288:IR/MXPsQjiTiCAeeJpWkjumgIvSQCutDEVFbtir4247AQrns/FInvzgUvnFDhnE3:+QvrCXEucruic247nrns/izRvnhhahB |
| Threatray | 1'101 similar samples on MalwareBazaar |
| TLSH | 5A358D62F2924437D1732A389C5B57B49C3ABE006D2868467BE9DDCC4FF928139352E7 |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore RAT |
abuse_ch
Malspam distributing NanoCore:HELO: ns.tokyoconsultinggroup.com
Sending IP: 211.1.230.102
From: ADMIN <vu.h.my@tokyoconsultinggroup.com>
Reply-To: roadtriip25@gmail.com
Subject: updated inquiry
Attachment: inquiry.arj (contains "inquiry.exe")
Intelligence
File Origin
# of uploads :
1
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to detect sleep reduction / modifications
Detected Nanocore Rat
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Zusy
Status:
Malicious
First seen:
2020-08-31 03:25:03 UTC
AV detection:
20 of 48 (41.67%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
hawkeyekeylogger
Similar samples:
+ 1'091 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
upx keylogger trojan stealer spyware family:nanocore persistence evasion
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
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
UPX packed file
NanoCore
Malware Config
C2 Extraction:
185.140.53.178:1985
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Tinba
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_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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