MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ee3064ff9e0f5aa617c8a4b1022ec120dbad60f65c955dab3557ec7806a891da. 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 YARA 16 File information Comments

SHA256 hash: ee3064ff9e0f5aa617c8a4b1022ec120dbad60f65c955dab3557ec7806a891da
SHA3-384 hash: 7a1e6c0a8a1c5c017e31af9db7fb243ca9b7f885ce1f331c70c25386ee8bb5b8e103456c60fe01c43fc38588e080af72
SHA1 hash: 21f768224c0c033079543b6caf05e4775ac04789
MD5 hash: 02eff7d8761e95db9a38cf237dd7d5cb
humanhash: cola-april-three-beer
File name:MV GREAT JIN QUOTATION GJN20ST-D026.pdf.exe
Download: download sample
Signature NanoCore
File size:606'720 bytes
First seen:2023-03-01 11:30:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'655 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:ZObhmDUW42yuMnYmZz+h8JkIMV+TpGtmyEAf3hJRTTIycYjdAO:8hmDUW49JnYmN+hOlGonAf3hJRTTsiaO
Threatray 338 similar samples on MalwareBazaar
TLSH T184D41247EB27C1A2D00647B2FEE67F0417B181B45CDB662209DDECB46A8E7A63D041ED
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)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
84.38.133.204:3535

Intelligence


File Origin
# of uploads :
1
# of downloads :
292
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
MV GREAT JIN QUOTATION GJN20ST-D026.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-03-01 11:33:02 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
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
DNS request
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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, zgRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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
Encrypted powershell cmdline option found
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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 an obfuscated file name to hide its real file extension (double extension)
Uses ipconfig to lookup or modify the Windows network settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 817689 Sample: MV GREAT JIN QUOTATION GJN2... Startdate: 01/03/2023 Architecture: WINDOWS Score: 100 88 Snort IDS alert for network traffic 2->88 90 Multi AV Scanner detection for domain / URL 2->90 92 Malicious sample detected (through community Yara rule) 2->92 94 19 other signatures 2->94 9 MV GREAT JIN QUOTATION GJN20ST-D026.pdf.exe 1 7 2->9         started        13 Iuoczb.exe 2->13         started        15 Iuoczb.exe 2->15         started        17 3 other processes 2->17 process3 file4 70 C:\Users\user\AppData\Roaming\...\Iuoczb.exe, PE32 9->70 dropped 72 C:\Users\user\...\Iuoczb.exe:Zone.Identifier, ASCII 9->72 dropped 74 MV GREAT JIN QUOTA...ST-D026.pdf.exe.log, ASCII 9->74 dropped 100 Encrypted powershell cmdline option found 9->100 19 MV GREAT JIN QUOTATION GJN20ST-D026.pdf.exe 1 15 9->19         started        24 cmd.exe 1 9->24         started        26 powershell.exe 21 9->26         started        32 2 other processes 9->32 102 Antivirus detection for dropped file 13->102 104 Multi AV Scanner detection for dropped file 13->104 106 Machine Learning detection for dropped file 13->106 28 powershell.exe 13->28         started        30 powershell.exe 15->30         started        signatures5 process6 dnsIp7 76 whiteking.giize.com 84.38.133.204, 3535, 49772, 49787 DATACLUB-NL Latvia 19->76 62 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->62 dropped 64 C:\Users\user\AppData\Roaming\...\run.dat, data 19->64 dropped 66 C:\Users\user\AppData\Local\...\tmp132E.tmp, XML 19->66 dropped 68 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->68 dropped 96 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->96 34 schtasks.exe 19->34         started        36 schtasks.exe 19->36         started        98 Uses ipconfig to lookup or modify the Windows network settings 24->98 49 2 other processes 24->49 38 chrome.exe 13 2 26->38         started        41 conhost.exe 26->41         started        43 conhost.exe 28->43         started        45 conhost.exe 30->45         started        47 conhost.exe 32->47         started        51 2 other processes 32->51 file8 signatures9 process10 dnsIp11 53 conhost.exe 34->53         started        55 conhost.exe 36->55         started        78 192.168.2.1 unknown unknown 38->78 80 239.255.255.250 unknown Reserved 38->80 57 chrome.exe 2 38->57         started        process12 dnsIp13 82 www.sinotrans.com 57->82 84 ft.10jqka.com.cn 57->84 86 7 other IPs or domains 57->86 60 conhost.exe 57->60         started        process14
Threat name:
ByteCode-MSIL.Trojan.Casdet
Status:
Malicious
First seen:
2023-03-01 11:31:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
25 of 25 (100.00%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Gathers network information
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
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
Checks computer location settings
NanoCore
Malware Config
C2 Extraction:
whiteking.giize.com:3535
Unpacked files
SH256 hash:
ee3064ff9e0f5aa617c8a4b1022ec120dbad60f65c955dab3557ec7806a891da
MD5 hash:
02eff7d8761e95db9a38cf237dd7d5cb
SHA1 hash:
21f768224c0c033079543b6caf05e4775ac04789
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:Typical_Malware_String_Transforms
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
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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