MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b3f0534d22c4d97d3a86c40b04b82723996ad4b09ae63704304fdcd9fcb2059. 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: 8b3f0534d22c4d97d3a86c40b04b82723996ad4b09ae63704304fdcd9fcb2059
SHA3-384 hash: cc1fcfc94cffd4f0a5ff460726c5a8fc1b21ccbd5aba8c9b641644b58a14d939fc7edbb7d21b7a8e2e6d9aaaf458f200
SHA1 hash: 0b5082c1447198675993f0e0ba4c6e23dc64af2e
MD5 hash: 8b2c86ea5aa8f99e1637b2dba811cc0c
humanhash: october-helium-yellow-harry
File name:Q#5851042-5811#914915-001 PO#340437.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:429'056 bytes
First seen:2020-07-02 12:18:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:hqztei3VRMoZFBqSxb4Nb2h4U8mmf+7DD8h6U6lbqJFhNs22uZinUilv8:EztVRTxmbql7DD8wUF/zvz8Ui
Threatray 1'228 similar samples on MalwareBazaar
TLSH F294BD106FEB4EE9D87A0970A8B2B524F1A73CDEA535C22F155CB6190B73B0447627E3
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: westsalem.com
Sending IP: 45.76.206.194
From: Planning/Purchasing <wesleyp@westsalem.com>
Subject: RE: Q#5851042-5811/#914915-001/ PO#340437
Attachment: Q5851042-5811914915-001 PO340437.IMG (contains "Q#5851042-5811#914915-001 PO#340437.exe")

NanoCore RAT C2:
classof.theworkpc.com:3762 (45.143.222.14)

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/18443/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WQV.UNOFFICIAL
Create hunting rule

Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/381842
Behaviour
Behavior Graph:
Download SVG
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8b3f0534d22c4d97d3a86c40b04b82723996ad4b09ae63704304fdcd9fcb2059/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-02 12:20:07 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rm7qkngsfrgzpu5inralas4coi4znlklbgxgg4cdat643h6lebmq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
0d46f6cd2186a84326476f3d5a76b4060889d787c92cd0aa7e77eeceb1cc05b6
NanoCore
1a258f5509ae1bb4edace69afd414ba2f0cb4a708f73d6d3109aa027117cd5a1
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24c562354db976b7e22cd1573ce340d058061eae82feb671cf8b1c5c11f5a70c
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58dea698e2c5b2a9310769bd735db939a1b6ed8cc80fdbc3aa5f0f6e25a074fc
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82621455e0c9ed9c46f6947beeaf2c5a6962a035eea50b337fad6368b5a6485b
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84677c149d04ffa351b3dcb6adf5b7b4e1cffc27196c4aaa2db06842a15a00ca
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93829e18901794a25cdf80052f95b3ac59a8610bf4dcf4320936e763bc26ab6e
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b7946830a71af1e359d6b3880bd283ab2c50ff1a07f7364cd7e17a4fa6512135
NanoCore
d31e6f284e80c5047537730643d3764f154930821219ea28e072f7f064a33647
NanoCore
d69aa1932b2e702e5065ee19da9fc9cf2b05e7dbaa617141b14eaa501a14955e
NanoCore
+ 1'218 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore
Link:
https://tria.ge/reports/200702-gtyelqv562/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
classof.theworkpc.com:3762
classof.spdns.org:3762
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

img 12217f0f03057b1d756406cf1527b6a3b38139cc9e7629517151aea85024c6cb

NanoCore

Executable exe 8b3f0534d22c4d97d3a86c40b04b82723996ad4b09ae63704304fdcd9fcb2059

(this sample)

  
Dropped by
MD5 299184751169588bb43ab317ac52d444
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 12217f0f03057b1d756406cf1527b6a3b38139cc9e7629517151aea85024c6cb
Cape
Cape
https://www.capesandbox.com/analysis/18443/

Comments