MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f5e85426d9ed199da9806bfae8480e3d44d0243c9153ae5c0fa9764c3fef90a. 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: 13


Intelligence 13 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6f5e85426d9ed199da9806bfae8480e3d44d0243c9153ae5c0fa9764c3fef90a
SHA3-384 hash: 015eb0eecb94a38844787e68f9830610e81a80f902f67d7c6198e768c00705cea6cbcb8ada9795e150282773d5eeb775
SHA1 hash: 921cc79a9714c0794845813d185860de87a42941
MD5 hash: 3a8e18113a06a297c3282cb578ee293d
humanhash: fourteen-potato-tennessee-april
File name:3a8e18113a06a297c3282cb578ee293d.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:718'336 bytes
First seen:2022-06-28 16:45:01 UTC
Last seen:2022-06-28 17:40:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:0IQT5AGrczhTmdv5yInfLOpyEwb7Qpb6EHoDRG9oQirh/+oilB7wl9osyexnetqg:0IWeGIzhOHfLQWAN6EH
Threatray 4'187 similar samples on MalwareBazaar
TLSH T1A9E4D79C322C71DEC867D576DAA81C68FAA074BF971B5107A02705ED9A4CB87DF240F2
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
91.193.75.248:15440

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
91.193.75.248:15440 https://threatfox.abuse.ch/ioc/732166/

Intelligence

File Origin
# of uploads :
2
# of downloads :
334
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/284006/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62bb305603fa367ea5857131/reports/be2d160e-e4e6-47ed-b87c-51332f797634/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d47d4795-ec4f-46dc-858e-50bc5ef882b9
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1021398
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: NanoCore
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
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 653892 Sample: 46dMPAJ36P.exe Startdate: 28/06/2022 Architecture: WINDOWS Score: 100 54 updatedhostlogs.duckdns.org 2->54 58 Snort IDS alert for network traffic 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for URL or domain 2->62 64 13 other signatures 2->64 9 46dMPAJ36P.exe 6 2->9         started        13 46dMPAJ36P.exe 4 2->13         started        15 dhcpmon.exe 3 2->15         started        17 dhcpmon.exe 2->17         started        signatures3 process4 file5 48 C:\Users\user\AppData\Roaming\OhLFFxd.exe, PE32 9->48 dropped 50 C:\Users\user\AppData\Local\...\tmpC122.tmp, XML 9->50 dropped 52 C:\Users\user\AppData\...\46dMPAJ36P.exe.log, ASCII 9->52 dropped 68 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 9->68 70 Uses schtasks.exe or at.exe to add and modify task schedules 9->70 72 Injects a PE file into a foreign processes 9->72 19 46dMPAJ36P.exe 1 13 9->19         started        24 schtasks.exe 1 9->24         started        26 schtasks.exe 13->26         started        28 46dMPAJ36P.exe 13->28         started        signatures6 process7 dnsIp8 56 updatedhostlogs.duckdns.org 91.193.75.248, 15440, 49757, 49758 DAVID_CRAIGGG Serbia 19->56 42 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->42 dropped 44 C:\Users\user\AppData\Roaming\...\run.dat, data 19->44 dropped 46 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->46 dropped 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        34 conhost.exe 24->34         started        36 conhost.exe 26->36         started        file9 signatures10 process11 process12 38 conhost.exe 30->38         started        40 conhost.exe 32->40         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6f5e85426d9ed199da9806bfae8480e3d44d0243c9153ae5c0fa9764c3fef90a/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-28 09:45:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=n5pikqtnt3iztwuya2725bea4pke2asdzektvzoa7klwjq767efa._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
2221c9b18c1757a49fca7aa819511d51fbcdbc85fb8f0667106c4dc3d1c845cc
NanoCore
2c2a80bf346762a47a4e8e03aae4e8f799a875212773fe8826e947faaeaad1f8
NanoCore
4525f8366e8c5c026a44cabbafd66c0dada4289009881a8a409080f1040ae99c
NanoCore
45272694709263868523b77d0561757378cc2e8aa7d64c7ed21deaacbdf88b5b
NanoCore
862965d573744607a29489905cfc8abdd8f187874d476ef4263eee7e5175630a
NanoCore
cacb2f55774ab3d5f1e89e164ea67bfa9b0f612a6e64dd8b31d062bec1d12cb6
NanoCore
ddb292ac2c57e10703a5358532be2d46e4d5ea94361fd30be3c1e2bfb919621f
NanoCore
f4248f09778780307d68ed068ed5cdcea48ea1c13555bd7bb05ce7f641017833
NanoCore
+ 4'177 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220628-t9darsahcq/
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
Checks whether UAC is enabled
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
NanoCore
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
updatedhostlogs.duckdns.org:15440
127.0.0.1:15440
Unpacked files
SH256 hash:
12ac262f8056707d486a5765e09684b4cd717c11655248462467c3a398c69e4f
MD5 hash:
5f65d068ca585982a3b74d8c4fd833d6
SHA1 hash:
620091b56d06b10d8266c8e851bb91d4938384fe
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/e8b1fce6-fc12-4ea2-a7a2-d69be710d3db/
SH256 hash:
2bfe06c1b1165946d0c53984e40f735b240f04e4ebad7ee8b56e20c087fa4a8b
MD5 hash:
6b896cc7f784794c82e614dc0ad3ebf7
SHA1 hash:
4bd01f16b341982e1d448633aa9271035bc84e81
Link:
https://www.unpac.me/results/e8b1fce6-fc12-4ea2-a7a2-d69be710d3db/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/e8b1fce6-fc12-4ea2-a7a2-d69be710d3db/
SH256 hash:
6f5e85426d9ed199da9806bfae8480e3d44d0243c9153ae5c0fa9764c3fef90a
MD5 hash:
3a8e18113a06a297c3282cb578ee293d
SHA1 hash:
921cc79a9714c0794845813d185860de87a42941
Link:
https://www.unpac.me/results/e8b1fce6-fc12-4ea2-a7a2-d69be710d3db/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6f5e85426d9e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6f5e85426d9ed199da9806bfae8480e3d44d0243c9153ae5c0fa9764c3fef90a

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/284006/

Comments