MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aeba12133f15b8a33a8ee0ed0622f2c54f1b53e93b46f829fe6e9d518daf49f2. 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: 17


Intelligence 17 IOCs YARA 17 File information Comments

SHA256 hash: aeba12133f15b8a33a8ee0ed0622f2c54f1b53e93b46f829fe6e9d518daf49f2
SHA3-384 hash: 7f2d119f716846c8e0d07e6637689ef67072964e214a0dc8cf2bf38fe83098c891a0ea4cd7eeddbdc3d51469007060f9
SHA1 hash: 10050d4f93ce7fc09f36715e355ee82c883905d0
MD5 hash: a0bfbb6eb26872e8deed8d8caf720297
humanhash: ceiling-oxygen-fanta-sierra
File name:a0bfbb6eb26872e8deed8d8caf720297.exe
Download: download sample
Signature NanoCore
File size:1'096'192 bytes
First seen:2023-08-17 06:05:10 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 24576:Vco6I1E0aEPobGDI9T4uXmELoN72csxAhzNLuFjIpJhFP6ihs/:c3XioCDI9kMyNKqhijKJ/6ihs
Threatray 1'615 similar samples on MalwareBazaar
TLSH T1A5351252EBB5DF3AD661043F52D133AA4E7E5EC842B4BACE304CB2542F76E44C271266
TrID 58.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
13.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.4% (.EXE) Win64 Executable (generic) (10523/12/4)
5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 31f098b29298f031 (53 x AgentTesla, 30 x Formbook, 12 x RedLineStealer)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
103.212.81.152:6191

Intelligence


File Origin
# of uploads :
1
# of downloads :
338
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
a0bfbb6eb26872e8deed8d8caf720297.exe
Verdict:
Malicious activity
Analysis date:
2023-08-17 06:08:10 UTC
Tags:
nanocore rat remote

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

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Launching a process
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin nanocore packed shell32
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
Antivirus detection for URL or domain
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)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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
Snort IDS alert for network traffic
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 Costura Assembly Loader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1292597 Sample: IaA58iXAA4.exe Startdate: 17/08/2023 Architecture: WINDOWS Score: 100 55 Snort IDS alert for network traffic 2->55 57 Multi AV Scanner detection for domain / URL 2->57 59 Found malware configuration 2->59 61 15 other signatures 2->61 8 IaA58iXAA4.exe 1 5 2->8         started        12 bdbxdbbgf.exe 5 2->12         started        14 dhcpmon.exe 4 2->14         started        16 3 other processes 2->16 process3 file4 51 C:\Users\user\AppData\Roaming\bdbxdbbgf.exe, PE32 8->51 dropped 67 Writes to foreign memory regions 8->67 69 Injects a PE file into a foreign processes 8->69 18 MSBuild.exe 1 14 8->18         started        23 MSBuild.exe 8->23         started        25 MSBuild.exe 8->25         started        71 Multi AV Scanner detection for dropped file 12->71 73 Machine Learning detection for dropped file 12->73 27 MSBuild.exe 12->27         started        29 conhost.exe 14->29         started        31 conhost.exe 16->31         started        33 conhost.exe 16->33         started        35 MSBuild.exe 16->35         started        signatures5 process6 dnsIp7 53 6191.ddns.net 103.212.81.152, 49715, 49719, 49720 KANTIPUR-AS-APKantipurPublicationPvtLtdNP Bangladesh 18->53 45 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->45 dropped 47 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 18->47 dropped 49 C:\Users\user\AppData\Local\...\tmp8D5A.tmp, XML 18->49 dropped 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->63 37 schtasks.exe 1 18->37         started        39 schtasks.exe 1 18->39         started        65 Uses schtasks.exe or at.exe to add and modify task schedules 23->65 file8 signatures9 process10 process11 41 conhost.exe 37->41         started        43 conhost.exe 39->43         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-14 05:58:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
19 of 24 (79.17%)
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
NanoCore
Malware Config
C2 Extraction:
6191.ddns.net:6191
103.212.81.152:6191
Unpacked files
SH256 hash:
aeba12133f15b8a33a8ee0ed0622f2c54f1b53e93b46f829fe6e9d518daf49f2
MD5 hash:
a0bfbb6eb26872e8deed8d8caf720297
SHA1 hash:
10050d4f93ce7fc09f36715e355ee82c883905d0
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:malware_Nanocore_strings
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:MALWARE_Win_NanoCore
Author:ditekSHen
Description:Detects NanoCore
Rule name:nanocore_rat
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth (Nextron Systems)
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Feb18_1_RID2DF1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Author:Florian Roth (Nextron Systems)
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:Nanocore_RAT_Gen_2_RID2D96
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Trojan_Nanocore_d8c4e3c5
Author:Elastic Security
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.

Comments