MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4e0ba732f6ea2f91311f1734893509a774becd8ba18a73bd3a4d387b4f4b807. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4e0ba732f6ea2f91311f1734893509a774becd8ba18a73bd3a4d387b4f4b807
SHA3-384 hash: fdad4ff1ed26cea3dfbb2b2ebc4530e738ebd63d9fb2757404de5f8e1670431ad24b75f8e7f2460e101550450bff6efe
SHA1 hash: 73094fe34835bcca9ecbe826f27f6b7b6c1dac4d
MD5 hash: 8c287178ecedc052e9547766a6fe34e1
humanhash: may-monkey-early-tennis
File name:b4e0ba732f6ea2f91311f1734893509a774becd8ba18a73bd3a4d387b4f4b807
Download: download sample
Signature NanoCore
Create hunting rule
File size:207'360 bytes
First seen:2020-07-06 07:14:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:ezEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIlzfO32vT/T6BQ1bxjOhdiinvy:eLV6Bta6dtJmakIM5SfO32vTj19B+
Threatray 1'115 similar samples on MalwareBazaar
TLSH 3714D0267BA84A2FE2DE857D612202078378C2E3D8C3F3DE18D855BA5F667E546071D3
Reporter JAMESWT_WT
Tags:NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/21095/
Detection(s):
Win.Trojan.Nanocore-5
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
DNS request
Connection attempt to an infection source
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b4e0ba732f6ea2f91311f1734893509a774becd8ba18a73bd3a4d387b4f4b807/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-06-27 05:55:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtqlu4zpn2rpseyr6fzure2qtj3ux3gyximkoo6tutjypnhuxadq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
266c0f3b1cf78040080fce2037544112b77d23b25753c714d6390c2f705a3c34
NanoCore
5d37ea9d96ae208d4df3961643780b97016cf055128483ae287ad86616cbea45
NanoCore
756fde810887452ab2533283973f2e582df198988bcafde9f20dc85e35f4d5c4
NanoCore
83b70b20d0cdb13e9c420723ba5f025827d21e0c051c6e64b5553a5c372c3374
NanoCore
9c62e75f2dc168671bddfe8cad2b102197c10d9039d8917a7637585ff603dbdd
NanoCore
9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a
NanoCore
bdddf5f5fa10f55e58819ff4ae4cf11902c3583503fa8fcf50ce67b1f1f66e4f
NanoCore
ddf157853be3dbebba9eea0db9815017a0c7d8dded210a5c291d7b0ccd2fd2be
NanoCore
e29e9d9beb5ce8187decf038cdc0b1d3102b4cfe43715a3b4f934098a943ebed
NanoCore
ed6ea055c622adab41b5eba73b4d556c4c843b9e77e21933297ca0ce972ce5c4
NanoCore
+ 1'105 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore
Link:
https://tria.ge/reports/200706-7phsd26yn6/
Behaviour
Nanocore family
Malware Config
C2 Extraction:
91.193.75.137:1604
daviscoleman899.ddns.net:1604
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.

Cape
Cape
https://www.capesandbox.com/analysis/21095/

Comments