MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e7f54cadf8756bba15b8e5afbcf005c42a83494e91f460b046549c58db2ce9af. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash: e7f54cadf8756bba15b8e5afbcf005c42a83494e91f460b046549c58db2ce9af
SHA3-384 hash: adc92aacd3b9b0442608976968417820485f157aabd76c5c54a1c38bc572adb842fc83c344d4e0e6e71eb93740637fa1
SHA1 hash: 39ac1d077fd01d0d77ac41cd016849d86e3be383
MD5 hash: ee9441f85d018a87729276eea46bf51e
humanhash: pip-jig-bulldog-island
File name:ee9441f85d018a87729276eea46bf51e.exe
Download: download sample
Signature NanoCore
File size:859'648 bytes
First seen:2021-04-12 06:36:07 UTC
Last seen:2021-04-12 09:55:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:0IlGqB4X8QkYwpzEE96ok2WEcCXUlcIrGl:0PqBO9kYwpjQ59EcNvrGl
Threatray 2'322 similar samples on MalwareBazaar
TLSH ED056AAD325076DFC867CD36CA681C64EBA0B476430BD207A06701EDAE5D89BDF241F2
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
NanoCore RAT C2:
79.134.225.30:1144

Intelligence


File Origin
# of uploads :
2
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ee9441f85d018a87729276eea46bf51e.exe
Verdict:
Malicious activity
Analysis date:
2021-04-12 06:52:52 UTC
Tags:
rat nanocore

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
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 AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 385253 Sample: JQEl8bosea.exe Startdate: 12/04/2021 Architecture: WINDOWS Score: 100 35 nassiru1155.ddns.net 2->35 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 10 other signatures 2->49 8 JQEl8bosea.exe 7 2->8         started        12 dhcpmon.exe 4 2->12         started        signatures3 process4 file5 25 C:\Users\user\AppData\...\kpCKXquWbB.exe, PE32 8->25 dropped 27 C:\Users\user\AppData\Local\...\tmpF04A.tmp, XML 8->27 dropped 29 C:\Users\user\AppData\...\JQEl8bosea.exe.log, ASCII 8->29 dropped 51 Uses schtasks.exe or at.exe to add and modify task schedules 8->51 53 Writes to foreign memory regions 8->53 55 Allocates memory in foreign processes 8->55 57 Injects a PE file into a foreign processes 8->57 14 RegSvcs.exe 1 10 8->14         started        19 schtasks.exe 1 8->19         started        21 conhost.exe 12->21         started        signatures6 process7 dnsIp8 37 79.134.225.30, 1144, 49710, 49713 FINK-TELECOM-SERVICESCH Switzerland 14->37 39 nassiru1155.ddns.net 14->39 31 C:\Users\user\AppData\Roaming\...\run.dat, data 14->31 dropped 33 C:\Program Files (x86)\...\dhcpmon.exe, PE32 14->33 dropped 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->41 23 conhost.exe 19->23         started        file9 signatures10 process11
Threat name:
Win32.Trojan.Injuke
Status:
Malicious
First seen:
2021-04-12 06:37:05 UTC
AV detection:
19 of 48 (39.58%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
NanoCore
Malware Config
C2 Extraction:
79.134.225.30:1144
nassiru1155.ddns.net:1144
Unpacked files
SH256 hash:
c5519ef771321d62260735c62622297b284e823d97b29eed0dae704d89bb4c5f
MD5 hash:
0158502a4a1ee47ae2abfe604f2fd748
SHA1 hash:
3dec24548c89d943f3fe9a4dd0b8663cbdcf6e0d
SH256 hash:
e7f54cadf8756bba15b8e5afbcf005c42a83494e91f460b046549c58db2ce9af
MD5 hash:
ee9441f85d018a87729276eea46bf51e
SHA1 hash:
39ac1d077fd01d0d77ac41cd016849d86e3be383
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
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.

Web download

NanoCore

Executable exe e7f54cadf8756bba15b8e5afbcf005c42a83494e91f460b046549c58db2ce9af

(this sample)

  
Delivery method
Distributed via web download

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