MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3964739a8988be3dc3ffe71ce4fdd86bfef579f4cfdfac1c97d123805cd0ea2a. 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: 5


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

SHA256 hash: 3964739a8988be3dc3ffe71ce4fdd86bfef579f4cfdfac1c97d123805cd0ea2a
SHA3-384 hash: 8a145319a712cb8399b84f7388e88084e41b81bd0a197b3b867349415b70fce89c2ec496e992d07643ad3da8630e13f6
SHA1 hash: e4de1fa60db48241edfbee120d6db07e047e710b
MD5 hash: ade1c5a2666c563e68acb6a325e674e4
humanhash: early-july-chicken-oven
File name:000921619.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'387'008 bytes
First seen:2020-06-08 04:32:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:Otb20pkaCqT5TBWgNQ7aUUCZ/XAuVLyu4fAQrBm7L6A:7Vg5tQ7aUUClQduNQrG5
Threatray 4'389 similar samples on MalwareBazaar
TLSH 6155CE1223DD8265C3BE5173BA1577016E7BF82526A0FCFB2F94C93DA9201211E1E66F
Reporter jarumlus
Tags:NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27686.AidExe.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.27681.XorExe.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-06-07 22:37:52 UTC
AV detection:
25 of 31 (80.65%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hfshhgujrc7d3q7744ooj7oynp7pk6puz7p2yhex2eryaxgq5iva._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
hawkeyekeylogger
Create hunting rule
emotet
Create hunting rule
Similar samples:
02b10c6690bd0ed3e9b675553519df78a7ede63a398d68304043eacb691fd305
NanoCore
2275ed4e7833bc3fc6ed7605de53e3ba46ceec5dd5e547fb8f49b977f9dfa0f0
NanoCore
32054245e75049e8f048f81d77b6404ba495d6b9026036781be7b3bfc5921efb
NanoCore
5e09510e834b75413af64e013eda43df867fab6080facf4227a08ca64861a244
NanoCore
68739817fe82121fcedf1092eca699f59941678ddd9622062c8d40c200bef82f
NanoCore
6c683dafa36114d562c985059802ad2fa0ec2df2f136e88e6f08cc7e88d919fc
NanoCore
a6b6bafbfe0f877c68f0429898e7dbc9c5307d5d2b58cce6522f9c251958ed05
NanoCore
d1890599ae15f13b1fc26efd5221a7a20949db644edc28aa3480c0042dc0a6fc
NanoCore
dc28fee9ff485f98bb7a9369a6e24ad8f1a63c123cc9c39ee676d933e1999fc6
NanoCore
f8166e1205c9dd0761f42f47c8d3e3c944b72b1fd3713a0383040f263987a649
NanoCore
+ 4'379 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-8w85nna362/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
NanoCore
Malware Config
C2 Extraction:
185.140.53.12:1985
127.0.0.1:1985
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 d33db32a9afcc41ea994126924e6babe3823cec632f772760cf9a089d64d6d5a

NanoCore

Executable exe 3964739a8988be3dc3ffe71ce4fdd86bfef579f4cfdfac1c97d123805cd0ea2a

(this sample)

  
Dropped by
MD5 5ef1d5c4aa86a018ac969770aff0a1bb
  
Dropped by
SHA256 d33db32a9afcc41ea994126924e6babe3823cec632f772760cf9a089d64d6d5a
  
Delivery method
Distributed via e-mail attachment

Comments