MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e3c255747a5488359596df0c1398d56f206462477aedd67fe38892b745133fd. 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: 8


Intelligence 8 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8e3c255747a5488359596df0c1398d56f206462477aedd67fe38892b745133fd
SHA3-384 hash: 56721f8807d46dde9781b6bcf10c234a79f90c29b3f69f405d4f9e0614ae90e420a8ae06930426f5977fea07d6b8739d
SHA1 hash: fb99401bcde0c011bf97506d077eddd83f0b9a79
MD5 hash: 6d7412250819e1b87b83150da1ecba10
humanhash: utah-sad-william-mobile
File name:MGF.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:77'312 bytes
First seen:2022-02-28 09:11:22 UTC
Last seen:2022-02-28 11:03:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:NzSJeQV2+CLufHCyiAiUyS9Xxgq+4PiHq0L94CSr0sY6b50PRpOqLO70qo+D:FSsQU+iopiA+bHq0R4Co0s7yj7c0q1D
Threatray 4'323 similar samples on MalwareBazaar
TLSH T1FE7390A1BE84F229C5262C32DB52DAF5C127BD2BDC609A537CC87F1F7933642941172A
File icon (PE):PE icon
dhash icon 3d7de4e1e1610d15 (7 x NanoCore, 5 x AgentTesla, 4 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe NanoCore


Avatar
abuse_ch
None C2:
2.58.149.236:6932

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
2.58.149.236:6932 https://threatfox.abuse.ch/ioc/391245/

Intelligence

File Origin
# of uploads :
2
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/245255/
Detection(s):
SecuriteInfo.com.W32.MSIL_Agent.CSU.genEldorado.23481.23652.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware obfuscated packed shell32.dll update.exe
Link:
https://www.filescan.io/uploads/621c91e70cd58dbd9251ade6/reports/2396fab7-0c03-4d0b-b338-8a2b28b4c5e6/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.
Gathering data
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/947233
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicius Schtasks From Env Var Folder
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: 579713 Sample: MGF.exe Startdate: 28/02/2022 Architecture: WINDOWS Score: 100 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 10 other signatures 2->62 8 MGF.exe 15 6 2->8         started        13 dhcpmon.exe 4 2->13         started        15 dhcpmon.exe 3 2->15         started        17 MSBuild.exe 2 2->17         started        process3 dnsIp4 50 136.144.41.109 WORLDSTREAMNL Netherlands 8->50 52 172.217.168.14 GOOGLEUS United States 8->52 54 8.8.8.8 GOOGLEUS United States 8->54 44 C:\Users\user\AppData\Roaming\...\cmmon32.exe, PE32 8->44 dropped 46 C:\Users\user\AppData\Local\...\MGF.exe.log, ASCII 8->46 dropped 68 Creates an undocumented autostart registry key 8->68 19 MSBuild.exe 1 13 8->19         started        24 conhost.exe 13->24         started        26 conhost.exe 15->26         started        28 conhost.exe 17->28         started        file5 signatures6 process7 dnsIp8 48 2.58.149.236 GBTCLOUDUS Netherlands 19->48 38 C:\Users\user\AppData\Roaming\...\run.dat, International 19->38 dropped 40 C:\Users\user\AppData\Local\...\tmpB110.tmp, XML 19->40 dropped 42 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->42 dropped 64 Uses schtasks.exe or at.exe to add and modify task schedules 19->64 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->66 30 schtasks.exe 1 19->30         started        32 schtasks.exe 1 19->32         started        file9 signatures10 process11 process12 34 conhost.exe 30->34         started        36 conhost.exe 32->36         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8e3c255747a5488359596df0c1398d56f206462477aedd67fe38892b745133fd/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2022-02-28 09:12:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ry6ckv2huveigwkznxymcomnk3zamrreo6xn2z76hcesw5crgp6q._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
263565e9f77b5ee48474855d471315dd56d1bcabe4d037fb380d404b3afcd14e
NanoCore
4f7da7d6fb331a8098d4ce354690ffc64d8f0225307b406e722548109e669d4d
NanoCore
55aea4a4530e0aa4d13d4c68b9027e6a215bc4a4eaa87d2a8bfdc2c443dd3d7c
NanoCore
862965d573744607a29489905cfc8abdd8f187874d476ef4263eee7e5175630a
NanoCore
c59c8e3be7ec42553ff6af2588e3bcd0569e9467dbb9307218fb8724e02739f2
NanoCore
db7d1bc1cf6fb7fdbc3d0fc2c67c97ed89aa316d6bcb4c4e6ce942c9145612fc
NanoCore
+ 4'313 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220228-k57jdafbhl/
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
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
kingsley2022.bounceme.net:6932
212.192.246.6:6932
Unpacked files
SH256 hash:
8e3c255747a5488359596df0c1398d56f206462477aedd67fe38892b745133fd
MD5 hash:
6d7412250819e1b87b83150da1ecba10
SHA1 hash:
fb99401bcde0c011bf97506d077eddd83f0b9a79
Link:
https://www.unpac.me/results/7a4c8166-3153-422a-b659-4154175398dc/
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/8e3c255747a5488359596df0c1398d56f206462477aedd67fe38892b745133fd

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/245255/

Comments