MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d445a4a70803fa67062b82091ccd3cc7be00f138692e531bc1ca157ddbd673c6. 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: d445a4a70803fa67062b82091ccd3cc7be00f138692e531bc1ca157ddbd673c6
SHA3-384 hash: 29a6062e42c64d3adc9ba0de0530baccf75d88c7cae046734cdf057b506251791a5f03a1642c11abd30dbafecfe1979e
SHA1 hash: 3f0ba74c3df542817e0efd1a2bf091fec547e00b
MD5 hash: 0032e8558b0273f34f871919d66c0c92
humanhash: alpha-mirror-leopard-tennessee
File name:RFQ.gz.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'314'304 bytes
First seen:2020-05-13 11:09:21 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:ftb20pkaCqT5TBWgNQ7acKrzqv92A0F8Ktk/kd6A:cVg5tQ7acuqvAA0/kM5
Threatray 1'907 similar samples on MalwareBazaar
TLSH 3855D01373DE8361C3B25273BA25B701AE7F782506B5F96B2FD4093DB920122525EA73
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: gree.com
Sending IP: 173.82.173.31
From: info<wyatt@washingtonpost.com>
Reply-To: alauddiinns@gmail.com
Subject: Request of machine .& Parts quotation #PO#0010710619_&_PO#002071019
Attachment: RFQ.05132020..gz (contains "RFQ.gz.exe")

NanoCore RAT C2:
185.244.29.132:1985

Hosted on nVpn:

% Information related to '185.244.29.0 - 185.244.29.255'

% Abuse contact for '185.244.29.0 - 185.244.29.255' is 'abuse@gerber-edv.net'

inetnum: 185.244.29.0 - 185.244.29.255
netname: GERBER-NETWORK
descr: Wonsan, Kangwon-do
descr: Choson Minjujuui Inmin Konghwaguk
country: KP
admin-c: GN5022-RIPE
tech-c: GN5022-RIPE
org: ORG-GN148-RIPE
status: SUB-ALLOCATED PA
mnt-by: GERBER-MNT
created: 2018-01-31T19:41:57Z
last-modified: 2020-04-06T22:16:40Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
93
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27686.AidExe.UNOFFICIAL
Create hunting rule

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

Gathering data
Threat name:
Win32.Trojan.Predator
Create hunting rule
Status:
Malicious
First seen:
2020-05-13 08:54:49 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
23 of 31 (74.19%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2rc2jjyiap5gobrlqierztj4y67ab4jynexfgg6bzikx3w6wopda._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
02b10c6690bd0ed3e9b675553519df78a7ede63a398d68304043eacb691fd305
NanoCore
03eacd008568d29ca8c5a4b9735f7fb6d2b2e5b7a1726f7ed316380e7b9f3e5c
NanoCore
17fa709f1a866d573f997f8f1288d537de382cccc5a4f9c1811db9da34c016b2
NanoCore
1c2fafc2031b76ab4caf3f91474f023321703a820209da4591192b6ca7cd09d2
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582ec0985f0066dab40c455d1f8e6c414d9d5d0c156f673c6327efb901d97542
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7170afaea1dbb708d92f335dbcbf2677704d6abb91cb6d3f08cca0ed470d3dac
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73db44bf103e307704faafe310253e8b810593856abf4e92295f68f47532742c
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8275f526465d7b9d806b1be78d895d7f499044b456be1aec36b8cac8188890ac
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944b633d92799fe6aeefae5de7945b6b0b69020ed669d9d7e68ebd80868771e6
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a73359e756c28a176925f85e7aa0326213bbf54c5fea0dac86215341fa258cc6
NanoCore
+ 1'897 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-rtf31v5fas/
Behaviour
Creates scheduled task(s)
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:
185.244.29.132:1985
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

gz 075b25cc955f59a7d4fffc47aafed8bdd1cccb605c940ad75a59cf789970df31

NanoCore

Executable exe d445a4a70803fa67062b82091ccd3cc7be00f138692e531bc1ca157ddbd673c6

(this sample)

  
Dropped by
MD5 58519614f2e7377f0d39498efa8b9440
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 075b25cc955f59a7d4fffc47aafed8bdd1cccb605c940ad75a59cf789970df31

Comments