MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc. 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: 12


Intelligence 12 IOCs YARA 12 File information Comments
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SHA256 hash: 3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc
SHA3-384 hash: fd0ec77416152ade7f5696ec638186487692634c22276fac8b5775efde2b9aa92e5fadeeb3a65d8b7ba35b01172f3475
SHA1 hash: 0cbea644e19ae6d3b934a648b5bd1a9558c64e96
MD5 hash: d68c1898ceffa72ba1ac579c83cc494c
humanhash: tennis-black-aspen-saturn
File name:d68c1898ceffa72ba1ac579c83cc494c.exe
Download: download sample
Signature NanoCore
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File size:184'832 bytes
First seen:2022-09-21 06:11:59 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 1536:0GBVDgKMoum8X/ScqsClbZ5hapDbEJ0XIPnG+aaMrIl0PegZoZZZZZZZZZZZZZgJ:0muRjClb81C5adRQQelxyAx9fCTt
TLSH T1E3043A54BF889727D99E6B72E4B323509774C1C2A263AB47BDCC69E84D1335C2D102EE
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe NanoCore RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
299
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
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ID:
1
File name:
d68c1898ceffa72ba1ac579c83cc494c.exe
Verdict:
Malicious activity
Analysis date:
2022-09-21 06:13:52 UTC
Tags:
opendir loader rat nanocore
Link:
https://app.any.run/tasks/b0f199ab-cb27-4cae-889d-65ec8d955db8

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/311956/
Detection(s):
SecuriteInfo.com.Win32.Malware-gen.10401.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending an HTTP GET request to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/632aabbb397677696537ff8b/reports/64825954-730d-4aa7-b71a-26ab6afe1c8d/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.
Malware family:
NanoCoreRAT
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c3908fdb-bad4-4b93-9b16-1df557e8538e
Result
Threat name:
Nanocore
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1074450
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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
Protects its processes via BreakOnTermination flag
Sigma detected: NanoCore
Snort IDS alert for network traffic
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 706995 Sample: G98rGd5tiL.exe Startdate: 21/09/2022 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 11 other signatures 2->45 7 G98rGd5tiL.exe 15 3 2->7         started        12 dhcpmon.exe 3 2->12         started        process3 dnsIp4 37 81.161.229.110, 49684, 49686, 80 CMCSUS Germany 7->37 33 C:\Users\user\AppData\...\IAppIdAuthority.exe, PE32 7->33 dropped 51 Injects a PE file into a foreign processes 7->51 14 IAppIdAuthority.exe 3 7->14         started        17 G98rGd5tiL.exe 1 7->17         started        20 dhcpmon.exe 2 12->20         started        file5 signatures6 process7 file8 53 Multi AV Scanner detection for dropped file 14->53 55 Machine Learning detection for dropped file 14->55 57 Injects a PE file into a foreign processes 14->57 22 IAppIdAuthority.exe 1 12 14->22         started        27 C:\Users\user\AppData\...behaviorgraph98rGd5tiL.exe.log, ASCII 17->27 dropped signatures9 process10 dnsIp11 35 95.70.139.81, 49689, 49690, 49691 ASTURKNETTR Turkey 22->35 29 C:\Program Files (x86)\...\dhcpmon.exe, PE32 22->29 dropped 31 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 22->31 dropped 47 Protects its processes via BreakOnTermination flag 22->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->49 file12 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc/
Threat name:
Win32.Trojan.Woreflint
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Status:
Malicious
First seen:
2022-09-21 06:12:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hwmgf3tu4myvgvhvii6layl5mwy2m6jyee3x6m4a432klfrftdoa._file
Verdict:
malicious
Label(s):
nanocorerat
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Result
Malware family:
nanocore
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Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220921-gx614afea7/
Behaviour
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
Downloads MZ/PE file
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
95.70.139.81:54984
Gathering data
Unpacked files
SH256 hash:
3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc
MD5 hash:
d68c1898ceffa72ba1ac579c83cc494c
SHA1 hash:
0cbea644e19ae6d3b934a648b5bd1a9558c64e96
Link:
https://www.unpac.me/results/b093f2e6-80c0-44cf-a1cc-4bd588dd5b13/
Malware family:
NanoCore
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3d9862ee74e3/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/3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc

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
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Author:abuse.ch
Rule name:malware_Nanocore_strings
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Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:MALWARE_Win_NanoCore
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Author:ditekSHen
Description:Detects NanoCore
Rule name:nanocore_rat
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Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
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Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Feb18_1_RID2DF1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Create hunting rule
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:Nanocore_RAT_Gen_2_RID2D96
Create hunting rule
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:pe_imphash
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Rule name:RansomwareTest6
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:win_nanocore_w0
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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 3d9862ee74e3315354f5423cb0617d65b1a6793821377f3380e6f4a5962598dc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2308875/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/311956/

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