MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9939bf52174aa52f9b852c4a36e680d0c996bd9993f7075a37f8ee592b6341cb. 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: 10


Intelligence 10 IOCs 1 YARA 2 File information Comments

SHA256 hash: 9939bf52174aa52f9b852c4a36e680d0c996bd9993f7075a37f8ee592b6341cb
SHA3-384 hash: e094b2717260e9cecb4c34edc5fb8308ec848745f272b2bf43d2de74a9de470c874471d977cc5c9d76d9b4f0d6f5ac8f
SHA1 hash: 75b4ce077c018814eb3ad0582be879e3b2b24cc2
MD5 hash: d1d770a1f33f1009e77a87efda743b69
humanhash: nevada-wisconsin-fanta-robert
File name:Shipping Document AWB FedEx #980053378119pdf..exe
Download: download sample
Signature NanoCore
File size:863'232 bytes
First seen:2021-05-25 18:32:05 UTC
Last seen:2021-05-25 19:02:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:WDQOtllm2/a4S2XlAFn6l64qu9wgbWMXldc:WDVllbyhSlAdm64qYw2r1dc
Threatray 1'984 similar samples on MalwareBazaar
TLSH C9052331098D8E2BCA7D31FD0D91106957F1C2725913F7A97D2A63E9A9C33C687821AF
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
45.133.1.67:5456

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
45.133.1.67:5456 https://threatfox.abuse.ch/ioc/59258/

Intelligence


File Origin
# of uploads :
2
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shipping Document AWB FedEx #980053378119pdf..exe
Verdict:
Malicious activity
Analysis date:
2021-05-25 20:42:22 UTC
Tags:
trojan nanocore rat

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

Behaviour
Sending a UDP request
Creating a window
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.
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 424375 Sample: Shipping Document AWB FedEx... Startdate: 25/05/2021 Architecture: WINDOWS Score: 100 52 cloudhost.myfirewall.org 2->52 56 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->56 58 Multi AV Scanner detection for domain / URL 2->58 60 Found malware configuration 2->60 62 16 other signatures 2->62 9 Shipping Document AWB FedEx #980053378119pdf..exe 3 2->9         started        13 Shipping Document AWB FedEx #980053378119pdf..exe 2 2->13         started        15 dhcpmon.exe 3 2->15         started        17 dhcpmon.exe 2 2->17         started        signatures3 process4 file5 50 Shipping Document ...3378119pdf..exe.log, ASCII 9->50 dropped 66 Injects a PE file into a foreign processes 9->66 19 Shipping Document AWB FedEx #980053378119pdf..exe 1 18 9->19         started        24 Shipping Document AWB FedEx #980053378119pdf..exe 9->24         started        26 Shipping Document AWB FedEx #980053378119pdf..exe 2 13->26         started        28 Shipping Document AWB FedEx #980053378119pdf..exe 13->28         started        30 dhcpmon.exe 2 15->30         started        32 dhcpmon.exe 17->32         started        signatures6 process7 dnsIp8 54 cloudhost.myfirewall.org 45.133.1.67, 49707, 49709, 49712 DEDIPATH-LLCUS Netherlands 19->54 42 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->42 dropped 44 C:\Users\user\AppData\Roaming\...\run.dat, data 19->44 dropped 46 C:\Users\user\AppData\Local\...\tmp1F0A.tmp, XML 19->46 dropped 48 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->48 dropped 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->64 34 schtasks.exe 1 19->34         started        36 schtasks.exe 1 19->36         started        file9 signatures10 process11 process12 38 conhost.exe 34->38         started        40 conhost.exe 36->40         started       
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2021-05-25 15:54:47 UTC
AV detection:
14 of 29 (48.28%)
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)
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
NanoCore
Malware Config
C2 Extraction:
cloudhost.myfirewall.org:5456
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: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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