MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ac55391665adbe887fc77b178dc286318f55ff10566cbc3ac2adddf460434eeb. 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: 5
| SHA256 hash: | ac55391665adbe887fc77b178dc286318f55ff10566cbc3ac2adddf460434eeb |
|---|---|
| SHA3-384 hash: | 417cd11e0633b7018316a3b36a90b93b825dcf422cac3fba21e297f12be03a5cc28be56effafa752e22ed17a696a104b |
| SHA1 hash: | 29c25ab0b1d341682178f7f9fc3bacb6cb7650eb |
| MD5 hash: | 9eb208a68dec4af7f15426f1138d5d2e |
| humanhash: | cola-connecticut-michigan-saturn |
| File name: | 2020110510521PDF.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 474'112 bytes |
| First seen: | 2020-05-11 14:16:49 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 12288:NcKgMmGZl46GzbKohAoq83bH+/rjrWp1Byu:Wy06GzbKoh683bezj81By |
| Threatray | 1'177 similar samples on MalwareBazaar |
| TLSH | D0A47C4032AC6B66E07A97F518A4E810C7F67A2BB074E35D1CC635CA56F2F41C952F2B |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore nVpn RAT |
abuse_ch
Malspam distributing NanoCore:HELO: rock.webserverns.com
Sending IP: 173.237.189.179
From: RGC Trading Products<rgctradlngcmp@gmail.com>
Subject: ORDER 2020-10521
Attachment: 2020110510521PDF.iso (contains "2020110510521PDF.exe")
NanoCore RAT C2:
fowok.ddns.net:5656 (91.193.75.7)
Pointing to nVpn:
% Information related to '91.193.75.0 - 91.193.75.255'
% Abuse contact for '91.193.75.0 - 91.193.75.255' is 'abuse@kgb-vpn.org'
inetnum: 91.193.75.0 - 91.193.75.255
netname: NON-LOGGING-VPN-SERVICE
descr: Please note that we don't store any user data.
descr: Our main effort is not to make money, but to preserve values like the
descr: freedom of expression, the freedom of press, the right to data protection
descr: and informational self-determination.
descr: We ask all employees of Spamhaus and all self-proclaimed deputy sheriffs
descr: to stop your attacks against us.
country: EU
admin-c: KA7109-RIPE
tech-c: KA7109-RIPE
org: ORG-KHd1-RIPE
status: ASSIGNED PI
mnt-by: RIPE-NCC-END-MNT
mnt-by: KGB-MNT
mnt-routes: KGB-MNT
sponsoring-org: ORG-MW1-RIPE
created: 2012-06-04T11:05:55Z
last-modified: 2019-12-05T05:39:00Z
source: RIPE
Intelligence
File Origin
# of uploads :
1
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-05-11 14:37:06 UTC
AV detection:
23 of 31 (74.19%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'167 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
NanoCore
Malware Config
C2 Extraction:
fowok.ddns.net:5656
fowok.duckdns.org:5656
fowok.duckdns.org:5656
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_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.
d02bb08a374adcc8fdc3b338c49bf332
Dropped by
MD5 d02bb08a374adcc8fdc3b338c49bf332
Delivery method
Distributed via e-mail attachment
Comments
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