MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e13cf5e6ff234c9b17ea31450b207f160df74b4cd0361a50b1122352a1750390. 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: 4


Intelligence 4 IOCs YARA 5 File information Comments

SHA256 hash: e13cf5e6ff234c9b17ea31450b207f160df74b4cd0361a50b1122352a1750390
SHA3-384 hash: 8cdda93d3a8868050c34a2cc5f5080886952833b41713e4008ed664aa00c080f4409da5af7ddc2883d986cd66d08471d
SHA1 hash: e326f88a7cf9e984d35227af858e9ee7a9344e85
MD5 hash: f5dc752c8158ff3144046d42ce3fff3a
humanhash: sierra-snake-fruit-muppet
File name:proforma invoice.exe
Download: download sample
Signature NanoCore
File size:931'328 bytes
First seen:2020-04-16 13:50:47 UTC
Last seen:2020-04-16 15:01:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:P0d2BefjXsA8rgsQ2FGV7Jt9t7pdBCGPWwQXt2xc1zzVkjixxjplCV3Li09zDT5:+o5UsNGVhtQu2A21zzVkjKlu35
Threatray 1'263 similar samples on MalwareBazaar
TLSH BE15F16CAB488ABADD3D1674D060442023E59E7780D5D7BEBD4571FA0BF7363A802E1B
Reporter James_inthe_box
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
2
# of downloads :
93
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-04-16 01:19:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
26 of 31 (83.87%)
Threat level:
  2/5
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:Nanocore
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
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.

  
Delivery method
Other

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments