MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dee5267af261b8e291b83b01b12c4149204b20754cd1714bd974ae1dae447a44. 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 3 File information Comments

SHA256 hash: dee5267af261b8e291b83b01b12c4149204b20754cd1714bd974ae1dae447a44
SHA3-384 hash: 88bb2e46d110160f078d627f1b51f4e4c5a4af394d66d023245fee30a8dc5d6a41ed4f700d125146d4db617ece430608
SHA1 hash: 3e779ff5c71f319fc2d3bd4fc577c4769873c47c
MD5 hash: c466151570c893f56d548a9689155656
humanhash: pennsylvania-massachusetts-network-skylark
File name:purchase order Nl32855 (1).exe
Download: download sample
Signature NanoCore
File size:905'728 bytes
First seen:2021-11-22 10:36:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:PrvL1uC0ETv0RlhBWDhor6xb39C0UxKe4:zjMC0EUWoWxbtC0Ux
Threatray 3'903 similar samples on MalwareBazaar
TLSH T1D415EF1A3368CF88E03D77784093C05C9BF09922D713E66AFDD8A1D51E46E85DB2B25E
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
194.5.98.139:52149

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
194.5.98.139:52149 https://threatfox.abuse.ch/ioc/251975/

Intelligence


File Origin
# of uploads :
1
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
purchase order Nl32855 (1).exe
Verdict:
Malicious activity
Analysis date:
2021-11-22 10:40:01 UTC
Tags:
trojan nanocore rat

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

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
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:
obfuscated 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:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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
Protects its processes via BreakOnTermination flag
Sigma detected: NanoCore
Sigma detected: Suspicius Add Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 526200 Sample: purchase order Nl32855 (1).exe Startdate: 22/11/2021 Architecture: WINDOWS Score: 100 69 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 15 other signatures 2->75 8 purchase order Nl32855 (1).exe 6 2->8         started        12 dhcpmon.exe 2->12         started        14 dhcpmon.exe 5 2->14         started        16 purchase order Nl32855 (1).exe 4 2->16         started        process3 file4 61 C:\Users\user\AppData\...\qZEskWcTYJLciB.exe, PE32 8->61 dropped 63 C:\Users\user\AppData\Local\...\tmpB6B0.tmp, XML 8->63 dropped 65 C:\...\purchase order Nl32855 (1).exe.log, ASCII 8->65 dropped 81 Injects a PE file into a foreign processes 8->81 18 purchase order Nl32855 (1).exe 1 15 8->18         started        23 schtasks.exe 1 8->23         started        25 schtasks.exe 12->25         started        27 dhcpmon.exe 12->27         started        37 2 other processes 12->37 29 schtasks.exe 14->29         started        31 dhcpmon.exe 14->31         started        33 schtasks.exe 1 16->33         started        35 purchase order Nl32855 (1).exe 16->35         started        signatures5 process6 dnsIp7 67 lizaelock.ddns.net 194.5.98.139, 49779, 49780, 49783 DANILENKODE Netherlands 18->67 55 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->55 dropped 57 C:\Users\user\AppData\Roaming\...\run.dat, data 18->57 dropped 59 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 18->59 dropped 77 Protects its processes via BreakOnTermination flag 18->77 79 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->79 39 schtasks.exe 1 18->39         started        41 schtasks.exe 1 18->41         started        43 conhost.exe 23->43         started        45 conhost.exe 25->45         started        47 conhost.exe 29->47         started        49 conhost.exe 33->49         started        file8 signatures9 process10 process11 51 conhost.exe 39->51         started        53 conhost.exe 41->53         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-22 10:41:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore collection evasion keylogger persistence spyware stealer trojan
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
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks whether UAC is enabled
Uses the VBS compiler for execution
NirSoft MailPassView
Nirsoft
NanoCore
Malware Config
C2 Extraction:
lizaelock.ddns.net:52149
194.5.98.139:52149
Unpacked files
SH256 hash:
597dbda0facc15b035f1a3fabf5ce899a2e5649f814d21cd7c3c7c1582b3aeea
MD5 hash:
f1b6dc3a70fb03377947ee4d07f744d1
SHA1 hash:
d2af949cd03490115ca51cfe7460b306c01b1041
Detections:
win_nanocore_w0
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
b0534cf248900cbead9adab64b119e524ff363976a41560161f0f896408bb566
MD5 hash:
a29d7c9144b9209c870c3612865a8298
SHA1 hash:
05836c0284b1fb7c94f293c21669b42162611b55
SH256 hash:
dee5267af261b8e291b83b01b12c4149204b20754cd1714bd974ae1dae447a44
MD5 hash:
c466151570c893f56d548a9689155656
SHA1 hash:
3e779ff5c71f319fc2d3bd4fc577c4769873c47c
Malware family:
NanoCore
Verdict:
Malicious
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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

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