MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 479dfa7690895205a1215d3edae68443671a448b6c09dc114d617c32f1a3d259. 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: 479dfa7690895205a1215d3edae68443671a448b6c09dc114d617c32f1a3d259
SHA3-384 hash: d2f13bb6773ad39accbb8d63be932db052c793aedef1d8f1f692ae41f8299926ab3344ea188952c6b387425b776ced84
SHA1 hash: b9eae4d61c49fc97d4bfbde4d17347d2db708f7a
MD5 hash: 98cfa634057bd0eb2b569a3744fc5ed8
humanhash: blue-blue-bravo-robin
File name:Receip.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:397'312 bytes
First seen:2020-04-18 06:22:49 UTC
Last seen:2020-04-18 06:38:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:Hqb9vylm7w4tQsZlFshtsP3ggkYAQlD8m7PJg:mkfsZlFHgQzZ7PJg
Threatray 1'092 similar samples on MalwareBazaar
TLSH F684CF5093AC8613FAAF6BBDE45901168BB5E2077A1FFB4F0CCCA1F558533445A923A3
Reporter cocaman
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
2
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Variant.Ursu.823174.26618.262.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-04-18 08:14:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=i6o7u5uqrfjalijblu7nvzueintrurelnqe5yeknmf6df4nd2jmq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
258856f05819789b47e0bed58b1df479976a355cd30b953b23f9e2f5d286578a
NanoCore
3521a9cd1d18d9991b29966ae472097ae2996fc50c230ac06762f9e7666656f5
NanoCore
36ac5bec6993086917f960048af37ef846dcfe5042aeb7c0bf519ae060d0ea90
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6a0aa40f52223a55b0a01d1e3070087f8c408ba9d07159cc072092420c0b7a3a
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819b7cdae5437e09dddc2263080df829d2e8ba725f4364bfddf0cd10eb848692
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84f2cd380b681104f068a5f49d9b4b790a949f042e1f9bea0b793c076489f72e
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d0a8b39bc4bd58191a4b6db1a71621e7d9e2e124c05ad01922aafb9eba72205a
NanoCore
d0a9cde7ebed2daf4306e0e76a341e6c4293bf9904ed464f5bfcb462dc0999d0
NanoCore
d8021d01301e057b4f51017952545673b0892e07d5546745fc1159d740716fbf
NanoCore
+ 1'082 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

Excel file xlsm 1b7821a2e0c24aeb38ae3a90b5c85c410fdc2e08c43e4964b1cca670d5543897

NanoCore

Executable exe 479dfa7690895205a1215d3edae68443671a448b6c09dc114d617c32f1a3d259

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 1b7821a2e0c24aeb38ae3a90b5c85c410fdc2e08c43e4964b1cca670d5543897
  
URLhaus
https://urlhaus.abuse.ch/url/342840/

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