MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca05f7a026f3e7fe6cdb73437a37629a528a7a62564c4a1866bc00442a2f2750. 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: ca05f7a026f3e7fe6cdb73437a37629a528a7a62564c4a1866bc00442a2f2750
SHA3-384 hash: a7065d1082030c54e0b70c20f36e12a8f1cdb558bbd95fc5a43527ea5346c14cd8e484659d71e6aecbf093907de3a9f8
SHA1 hash: 6374aaa5263ab37bbd59939febd9e94f2f5c1b0a
MD5 hash: 3fca62fe4fdde607ad0a4ebcfeffe3ce
humanhash: glucose-delta-mexico-vermont
File name:DOC20200602FACEMASK.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'274'880 bytes
First seen:2020-06-02 17:05:05 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 24576:3tb20pkaCqT5TBWgNQ7aK6sKz0qcDnz4PSUaS426A:0Vg5tQ7aK6sJF/Y3T5
Threatray 1'908 similar samples on MalwareBazaar
TLSH 2345D01363DD8364C3B25273BA25B701BE7B782506A1F96B2FD8097DF920122525EB73
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: vps.lopullew.com
Sending IP: 45.95.169.66
From: info@lopullew.com
Subject: Fwd: RE: RE: URGENT REQUEST FOR 3M N 95 1860 Masks
Attachment: DOC20200602FACEMASK.pdf.z (contains "DOC20200602FACEMASK.exe")

NanoCore RAT C2:
185.19.85.186:40510

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27684.AidExe.UNOFFICIAL
Create hunting rule

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.Trojan.Injector
Create hunting rule
Status:
Malicious
First seen:
2020-06-02 17:16:04 UTC
AV detection:
21 of 31 (67.74%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zic7pibg6pt743g3onbxun3ctjjiu6tckzgeugdgxqaeikrpe5ia._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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7170afaea1dbb708d92f335dbcbf2677704d6abb91cb6d3f08cca0ed470d3dac
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73db44bf103e307704faafe310253e8b810593856abf4e92295f68f47532742c
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944b633d92799fe6aeefae5de7945b6b0b69020ed669d9d7e68ebd80868771e6
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a73359e756c28a176925f85e7aa0326213bbf54c5fea0dac86215341fa258cc6
NanoCore
+ 1'898 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-tbl77byje6/
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
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
NanoCore
Malware Config
C2 Extraction:
185.19.85.186:40510
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

z 10134e60c95416adb64713eef31fb396c0f2ecf97cb3162e4f01d40c851a8e8f

NanoCore

Executable exe ca05f7a026f3e7fe6cdb73437a37629a528a7a62564c4a1866bc00442a2f2750

(this sample)

  
Dropped by
MD5 33546f2f54f6b351131a69d175f84326
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 10134e60c95416adb64713eef31fb396c0f2ecf97cb3162e4f01d40c851a8e8f

Comments