MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e808cb65f0d9cfb0ad81859c512c742306bf368fe52759b941c8377e3543b4b8. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e808cb65f0d9cfb0ad81859c512c742306bf368fe52759b941c8377e3543b4b8
SHA3-384 hash: 33d50eaa0641bf275f4924223e157704ad423036b0c4784257fad0afd8d8da412d87a314c1ff6f0239a8c221749fa85b
SHA1 hash: 7da3bb66a48ab28936387211c3050db764d97e50
MD5 hash: 54219bd208563b45ce4ade0e8b162232
humanhash: blue-carbon-carpet-robert
File name:54219bd208563b45ce4ade0e8b162232.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:207'872 bytes
First seen:2020-12-14 09:42:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:szEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HI+qkEGrGm1W5L+JZSFGvuRyI8:sLV6Bta6dtJmakIM5acGm1W5L+CMRI8
TLSH B014CF5537A88A2FE2DF8679606212129778C2E399C3F3EE6CD464B74F667E006071D3
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore RAT C2:
cipeh.ddns.net

Intelligence

File Origin
# of uploads :
1
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
54219bd208563b45ce4ade0e8b162232.exe
Verdict:
Malicious activity
Analysis date:
2020-12-14 09:45:49 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/2cc52250-5df5-424c-9617-51651962ed3a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/107913/
Detection(s):
Win.Trojan.Nanocore-5
Create hunting rule

Win.Packed.Generic-9777790-0
Create hunting rule

Win.Trojan.Generic-9783914-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Launching a process
Deleting a recently created file
DNS request
Connection attempt
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/562010
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected Nanocore Rat
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 330093 Sample: nWgfMufExo.exe Startdate: 14/12/2020 Architecture: WINDOWS Score: 100 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for dropped file 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 11 other signatures 2->48 7 nWgfMufExo.exe 1 14 2->7         started        12 nWgfMufExo.exe 3 2->12         started        14 dhcpmon.exe 3 2->14         started        16 dhcpmon.exe 2 2->16         started        process3 dnsIp4 38 cipeh.ddns.net 79.134.225.53, 1604, 49721, 49727 FINK-TELECOM-SERVICESCH Switzerland 7->38 40 127.0.0.1 unknown unknown 7->40 26 C:\Program Files (x86)\...\dhcpmon.exe, PE32 7->26 dropped 28 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 7->28 dropped 30 C:\Users\user\AppData\Local\...\tmpC1A1.tmp, XML 7->30 dropped 32 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 7->32 dropped 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->50 18 schtasks.exe 1 7->18         started        20 schtasks.exe 1 7->20         started        34 C:\Users\user\AppData\...\nWgfMufExo.exe.log, ASCII 12->34 dropped 36 C:\Users\user\AppData\...\dhcpmon.exe.log, ASCII 14->36 dropped file5 signatures6 process7 process8 22 conhost.exe 18->22         started        24 conhost.exe 20->24         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e808cb65f0d9cfb0ad81859c512c742306bf368fe52759b941c8377e3543b4b8/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-12-11 19:38:20 UTC
AV detection:
27 of 28 (96.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5aemwzpq3hh3blmbqwofclduemdl6nup4utvtokbza3x4nkdws4a._file
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201214-crbqbr8b2s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
cipeh.ddns.net:1604
127.0.0.1:1604
Unpacked files
SH256 hash:
e808cb65f0d9cfb0ad81859c512c742306bf368fe52759b941c8377e3543b4b8
MD5 hash:
54219bd208563b45ce4ade0e8b162232
SHA1 hash:
7da3bb66a48ab28936387211c3050db764d97e50
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/d39106a1-9ad4-4166-a4d4-ff31417ca6b1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Nanocore
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e808cb65f0d9cfb0ad81859c512c742306bf368fe52759b941c8377e3543b4b8

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
Create hunting rule
Author:abuse.ch
Rule name:Nanocore
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:nanocore_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Create hunting rule
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
Create hunting rule
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.

Web download

NanoCore

Executable exe e808cb65f0d9cfb0ad81859c512c742306bf368fe52759b941c8377e3543b4b8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/917411/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/107913/

Comments