MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c043fb2d5fbffc0095d4b7c17cae0213d1cb4e6b4dd1a0cc2c24b9a2cee19fa. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9c043fb2d5fbffc0095d4b7c17cae0213d1cb4e6b4dd1a0cc2c24b9a2cee19fa
SHA3-384 hash: 5e2d5c040c1cb29142411c2d280037470add027bf8950fbf6f5b2046342c66ce08120488bdc4f6be4afc82f47d72575b
SHA1 hash: 5402777edfb5401be7f71a04dc24bbe6d08e13e2
MD5 hash: 9280d9ceb06e998c20544847e6967bbb
humanhash: alpha-magazine-aspen-virginia
File name:RFQ CON74901220200427 #003782083762973 ,xlsx.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:812'544 bytes
First seen:2020-04-27 11:12:45 UTC
Last seen:2020-04-27 23:57:33 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:PH5mlYGmHp5GTeBgcF5ZljGWvfAkkQfNQ58/YzQpBl2:PH5mlYlJMUFvxvfwfa/YzQT
Threatray 1'079 similar samples on MalwareBazaar
TLSH 69057C1207B44A61FBAFB6F8DC285E16D2B0DAEF9985FB4D074835F62456360D833923
Reporter cocaman
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
3
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VQD.8321.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-04-27 12:39:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
24 of 31 (77.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tqcd7mwv7p74ack5jn6bpsxaee6rznhgwtorudgcyjfzulhodh5a._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
008c8a71668c7c7b83c38e28700e78ded26da69e6cddcb3cf4c85305ae27b7fe
NanoCore
06d720fb36d32c1b3ce7fea9bb50eb90c2e1d90b270c1f21658c1035344a4c4b
NanoCore
15e832cfe4bca263c941f26d1da9bfdac36340a2ee29ad62cd0c7cb5037b0b6d
NanoCore
266c0f3b1cf78040080fce2037544112b77d23b25753c714d6390c2f705a3c34
NanoCore
34f1b02bdccebe61deb518957acd32c9a64ce358102db3be15ed7d46f9945004
NanoCore
3f423a4bed38af85be2527d22db419c4796f4483ba87f9560dc12aa932c66209
NanoCore
49734ef67be2f2a71545820ed6258683d03a9aa3a97db586aea7d148090b4fa4
NanoCore
7ca87455dd2039c423ae801536485e5837fb89ac22f363c498f873d030fb6768
NanoCore
a37f501c2d65d191828fe20bf148436de23201f6fe852d59dfa67aaa5fc206e8
NanoCore
aa699d6811b7b84893adc0734f2d1b044903ffd15d68ccde38002f34057c35fe
NanoCore
+ 1'069 additional samples on MalwareBazaar
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
Create hunting rule
Author:abuse.ch
Rule name:Nanocore
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:Nanocore_RAT_Feb18_1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Create hunting rule
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
Create hunting rule
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.

Malspam

NanoCore

rar b41769500fd86e9973e3aecd59e11e58d2890543e529d6d818fcc9a850e87d07

NanoCore

Executable exe 9c043fb2d5fbffc0095d4b7c17cae0213d1cb4e6b4dd1a0cc2c24b9a2cee19fa

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 b41769500fd86e9973e3aecd59e11e58d2890543e529d6d818fcc9a850e87d07

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