MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4d193d060a99ffc9dfeeb843432b54ff639401982f596098497e52cc422b0db. 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 15 File information Comments

SHA256 hash: e4d193d060a99ffc9dfeeb843432b54ff639401982f596098497e52cc422b0db
SHA3-384 hash: ae45a3754e029cbf95682f67169a3f50e6f573be02c586f68a4cd5f913ccaaf33044897af7c73118d72616db72537102
SHA1 hash: fc97717ba926cd55e1dfff7a8e25036ba9f8785c
MD5 hash: 688e964feeb18ae69d6f9159e379a694
humanhash: tennis-virginia-low-grey
File name:Fatu6780000980.exe
Download: download sample
Signature NanoCore
File size:565'248 bytes
First seen:2023-09-18 07:15:19 UTC
Last seen:2023-09-18 07:41:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:O7SMfMGuMFex9HNHfMGuMFexpBoh/9agvuDzyEJjFlPrjRZRf:CSMEGMSGMxetEJPrjR3
Threatray 764 similar samples on MalwareBazaar
TLSH T1B6C4120C5BD91394F5C53D32D8F0C76141D2A18E0D06E66F9FAFA84AF97BB84512473A
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon d0d6969696ccd4d6 (26 x SnakeKeylogger, 5 x RemcosRAT, 2 x Formbook)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
79.110.62.170:4445

Intelligence


File Origin
# of uploads :
2
# of downloads :
380
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
Fatu6780000980.exe
Verdict:
Malicious activity
Analysis date:
2023-09-18 11:13:23 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
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
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
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:
spre.troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Creates executable files without a name
Detected Nanocore Rat
Drops PE files to the startup folder
Found malware configuration
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 dropped file
Powershell drops PE file
Sigma detected: Copy file to startup via Powershell
Sigma detected: NanoCore
Snort IDS alert for network traffic
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1309825 Sample: Fatu6780000980.exe Startdate: 18/09/2023 Architecture: WINDOWS Score: 100 57 Snort IDS alert for network traffic 2->57 59 Multi AV Scanner detection for domain / URL 2->59 61 Found malware configuration 2->61 63 13 other signatures 2->63 7 Fatu6780000980.exe 3 2->7         started        10 dhcpmon.exe 3 2->10         started        12 .exe 3 2->12         started        process3 signatures4 65 Detected Nanocore Rat 7->65 67 Bypasses PowerShell execution policy 7->67 69 Injects a PE file into a foreign processes 7->69 14 Fatu6780000980.exe 1 12 7->14         started        19 powershell.exe 13 7->19         started        21 dhcpmon.exe 2 10->21         started        23 powershell.exe 12 10->23         started        25 backgroundTaskHost.exe 10->25         started        27 .exe 12->27         started        29 powershell.exe 11 12->29         started        process5 dnsIp6 45 79.110.62.170, 4445, 49713, 49714 LASOTELFR Germany 14->45 39 C:\Program Files (x86)\...\dhcpmon.exe, PE32 14->39 dropped 41 C:\Users\user\AppData\Roaming\...\run.dat, data 14->41 dropped 47 Detected Nanocore Rat 14->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->49 31 WerFault.exe 14->31         started        43 C:\Users\user\AppData\Roaming\...\.exe, PE32 19->43 dropped 51 Creates executable files without a name 19->51 53 Drops PE files to the startup folder 19->53 55 Powershell drops PE file 19->55 33 conhost.exe 19->33         started        35 conhost.exe 23->35         started        37 conhost.exe 29->37         started        file7 signatures8 process9
Threat name:
Win32.Trojan.Marsilia
Status:
Malicious
First seen:
2023-09-18 07:16:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
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
Drops startup file
NanoCore
Malware Config
C2 Extraction:
79.110.62.170:4445
Unpacked files
SH256 hash:
52127f54889e61c4d6bd8043eadb68cc448a351d5214c83b7aed43b2857549ae
MD5 hash:
eb21ea7fe79061a975e17a775f73b64b
SHA1 hash:
e30f6f3bc997a19c47dbe3e26be7a0bf57212c72
Detections:
win_nanocore_w0
SH256 hash:
b39991e0cf1630a6fb51e58475485017cb871bca1a115835abf895df24f18dde
MD5 hash:
fa4f67bc731fc3c41fb6d2609a7ddd76
SHA1 hash:
a7b387ac011f0ac1a6ce602c9bc30d89d487f09d
SH256 hash:
4ad042088c56db108b5ed41891081114425b3953bbaca851175c6b62e8d8b3c2
MD5 hash:
249a9383f30e78725efee4c2f52d54e0
SHA1 hash:
24bc8182627b647a06a6a73dce30877842990d7f
SH256 hash:
e4d193d060a99ffc9dfeeb843432b54ff639401982f596098497e52cc422b0db
MD5 hash:
688e964feeb18ae69d6f9159e379a694
SHA1 hash:
fc97717ba926cd55e1dfff7a8e25036ba9f8785c
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:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.

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