MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50a0b8864a2c4f0f8e325c97d832c747601fb84593a4b74fc705fe18c09da732. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 50a0b8864a2c4f0f8e325c97d832c747601fb84593a4b74fc705fe18c09da732
SHA3-384 hash: 662f9d07ad50bb10ccb68783cc0eb2b9ec9cba48e1f5588fde236d48c9e0a360717d42cb6fb7b6e9c0d67b0651a60187
SHA1 hash: 6c78f76065014ddd8341730b1506be5795987648
MD5 hash: fe7ed9839a56c49edf10dd32c562f1cc
humanhash: uranus-butter-fourteen-vermont
File name:SecuriteInfo.com.W32.MSIL_Kryptik.AIK.gen.Eldorado.31910
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'609'216 bytes
First seen:2022-09-05 16:26:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'739 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 49152:ml7s93A2eXs63aQ7k1ng7BqgxNskFET3RQloe:ml7s93JeqQ7Qg7zWki3RAb
TLSH T11A75229B23E8B970D03E33BA767A51A9C2B590974510E79B4CCC61E937B33967BC1813
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter SecuriteInfoCom
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
465
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.W32.MSIL_Kryptik.AIK.gen.Eldorado.31910
Verdict:
Malicious activity
Analysis date:
2022-09-05 16:31:17 UTC
Tags:
nanocore trojan rat
Link:
https://app.any.run/tasks/49797488-86c9-4eea-8e60-878a07232b97

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/307930/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.AIK.gen.Eldorado.31910.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/631623d631a6d28c0ce2fbba/reports/88f9d2a3-b074-4a20-b8ba-96db24708c45/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7bea0806-a716-4829-bd22-a775b093359e
Result
Threat name:
Nanocore, DarkTortilla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1065230
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Creates multiple autostart registry keys
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected DarkTortilla Crypter
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 697755 Sample: SecuriteInfo.com.W32.MSIL_K... Startdate: 05/09/2022 Architecture: WINDOWS Score: 100 55 brewsterchristophe.ddns.net 2->55 67 Snort IDS alert for network traffic 2->67 69 Multi AV Scanner detection for domain / URL 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 11 other signatures 2->73 9 SecuriteInfo.com.W32.MSIL_Kryptik.AIK.gen.Eldorado.31910.exe 15 3 2->9         started        14 bin.exe 14 3 2->14         started        16 dhcpmon.exe 2->16         started        signatures3 process4 dnsIp5 59 www.google.com 142.250.185.132, 443, 49720, 49739 GOOGLEUS United States 9->59 53 SecuriteInfo.com.W...orado.31910.exe.log, ASCII 9->53 dropped 83 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->83 18 cmd.exe 3 9->18         started        22 cmd.exe 1 9->22         started        85 Machine Learning detection for dropped file 14->85 87 Writes to foreign memory regions 14->87 89 Injects a PE file into a foreign processes 14->89 24 RegAsm.exe 14->24         started        file6 signatures7 process8 dnsIp9 45 C:\Users\user\AppData\Local\bin.exe, PE32 18->45 dropped 47 C:\Users\user\...\bin.exe:Zone.Identifier, ASCII 18->47 dropped 75 Uses ping.exe to sleep 18->75 27 bin.exe 2 18->27         started        31 PING.EXE 1 18->31         started        33 conhost.exe 18->33         started        35 PING.EXE 1 18->35         started        77 Uses ping.exe to check the status of other devices and networks 22->77 37 reg.exe 1 1 22->37         started        39 PING.EXE 1 22->39         started        41 conhost.exe 22->41         started        57 brewsterchristophe.ddns.net 185.216.71.196, 49779, 49781, 49782 CLOUDCOMPUTINGDE Germany 24->57 49 C:\Users\user\AppData\Roaming\...\run.dat, data 24->49 dropped 51 C:\Users\user\AppData\Roaming\...\dhcpmon.exe, PE32 24->51 dropped 79 Creates multiple autostart registry keys 24->79 81 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->81 file10 signatures11 process12 dnsIp13 61 www.google.com 27->61 91 Writes to foreign memory regions 27->91 93 Hides that the sample has been downloaded from the Internet (zone.identifier) 27->93 95 Injects a PE file into a foreign processes 27->95 43 RegAsm.exe 27->43         started        63 192.168.2.1 unknown unknown 31->63 97 Creates multiple autostart registry keys 37->97 65 127.0.0.1 unknown unknown 39->65 signatures14 process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/50a0b8864a2c4f0f8e325c97d832c747601fb84593a4b74fc705fe18c09da732/
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2022-09-05 16:32:32 UTC
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kcqlrbskfrhq7drslsl5qmwhi5qb7ocfsoslot6hax7brqe5u4za._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220905-tx31naeeg7/
Behaviour
Creates scheduled task(s)
Runs ping.exe
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
Checks whether UAC is enabled
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
brewsterchristophe.ddns.net:5899
194,147,5,75:5899
Unpacked files
SH256 hash:
50a0b8864a2c4f0f8e325c97d832c747601fb84593a4b74fc705fe18c09da732
MD5 hash:
fe7ed9839a56c49edf10dd32c562f1cc
SHA1 hash:
6c78f76065014ddd8341730b1506be5795987648
Link:
https://www.unpac.me/results/9e04ecd9-6c96-4858-a3d7-0f9b74c1b5cb/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/50a0b8864a2c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/50a0b8864a2c4f0f8e325c97d832c747601fb84593a4b74fc705fe18c09da732

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/307930/

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