MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea42c3ce01a1e8f241e069405c7d7a769af25f2cc34a6cedf7cb22285677b944. 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: 14


Intelligence 14 IOCs YARA 14 File information Comments

SHA256 hash: ea42c3ce01a1e8f241e069405c7d7a769af25f2cc34a6cedf7cb22285677b944
SHA3-384 hash: 51805223803fe93d0619d5e889a41f3317365c82b144497b83b0cf67b41713940d0bb5809da26f3f3cc1c661615c0d91
SHA1 hash: b09b384cd89ae11ce09f9300466cab14f5d3fd33
MD5 hash: ef40b3dd85f4a07bce51cfc5f2e84ea7
humanhash: carbon-orange-beer-vegan
File name:PI0298276278VT3CONFIRM.scr.exe
Download: download sample
Signature NanoCore
File size:1'339'904 bytes
First seen:2023-07-14 05:25:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'751 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 24576:T8PKyxAQwwzlbKA4nZCdPUrIpr/I3aXE3o/yeP7Qg:7yxAQww6nw1UKI3EE3o/yE7X
Threatray 384 similar samples on MalwareBazaar
TLSH T11C55F117BAB6FDB0C615473BCB9A71680FADCEC262A3FA09794933C51D72BA58C00547
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 31f098b29298f031 (53 x AgentTesla, 30 x Formbook, 12 x RedLineStealer)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
103.212.81.152:4654

Intelligence


File Origin
# of uploads :
1
# of downloads :
388
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
PI0298276278VT3CONFIRM.scr.exe
Verdict:
Malicious activity
Analysis date:
2023-07-14 05:27:53 UTC
Tags:
nanocore rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Creating a file in the %AppData% directory
Launching a process
Creating a file
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade 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, zgRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Nanocore RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1272898 Sample: PI0298276278VT3CONFIRM.scr.exe Startdate: 14/07/2023 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 17 other signatures 2->63 8 PI0298276278VT3CONFIRM.scr.exe 1 5 2->8         started        12 Tsnofpuiqta.exe 5 2->12         started        14 Tsnofpuiqta.exe 4 2->14         started        16 3 other processes 2->16 process3 file4 47 C:\Users\user\AppData\...\Tsnofpuiqta.exe, PE32 8->47 dropped 49 C:\Users\...\Tsnofpuiqta.exe:Zone.Identifier, ASCII 8->49 dropped 51 C:\...\PI0298276278VT3CONFIRM.scr.exe.log, ASCII 8->51 dropped 69 Writes to foreign memory regions 8->69 71 Injects a PE file into a foreign processes 8->71 18 InstallUtil.exe 1 12 8->18         started        73 Antivirus detection for dropped file 12->73 75 Multi AV Scanner detection for dropped file 12->75 77 Machine Learning detection for dropped file 12->77 23 InstallUtil.exe 2 12->23         started        25 InstallUtil.exe 14->25         started        27 conhost.exe 16->27         started        29 conhost.exe 16->29         started        31 conhost.exe 16->31         started        signatures5 process6 dnsIp7 53 4654.hopto.org 105.113.41.198, 4654 VNL1-ASNG Nigeria 18->53 55 103.212.81.152, 4654, 49684, 49685 KANTIPUR-AS-APKantipurPublicationPvtLtdNP Bangladesh 18->55 41 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->41 dropped 43 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 18->43 dropped 45 C:\Users\user\AppData\Local\...\tmp2D19.tmp, XML 18->45 dropped 65 Uses schtasks.exe or at.exe to add and modify task schedules 18->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->67 33 schtasks.exe 1 18->33         started        35 schtasks.exe 1 18->35         started        file8 signatures9 process10 process11 37 conhost.exe 33->37         started        39 conhost.exe 35->39         started       
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2023-07-14 05:19:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
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
Malware Config
C2 Extraction:
4654.hopto.org:4654
103.212.81.152:4654
Unpacked files
SH256 hash:
ea42c3ce01a1e8f241e069405c7d7a769af25f2cc34a6cedf7cb22285677b944
MD5 hash:
ef40b3dd85f4a07bce51cfc5f2e84ea7
SHA1 hash:
b09b384cd89ae11ce09f9300466cab14f5d3fd33
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:MALWARE_Win_zgRAT
Author:ditekSHen
Description:Detects zgRAT
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: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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