MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ef3f42f0c9dfe67e9d4e2abbddf68c9195f8d6aa96b681e810f23303a459b4e. 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: 6


Intelligence 6 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2ef3f42f0c9dfe67e9d4e2abbddf68c9195f8d6aa96b681e810f23303a459b4e
SHA3-384 hash: 09fd7c708e8ee1f26600ecbc3a51f62d3203953d1432ba23b64ee01930f4f52ae6e4bcdc8e42c6bd37dfa2715d918bf0
SHA1 hash: abe7aec538de77386c1ee635ff3dcdd58fd814be
MD5 hash: daff0f22eb3a5b1bef1059ff317a13ae
humanhash: autumn-quiet-beryllium-earth
File name:PO87484.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:996'864 bytes
First seen:2020-06-17 05:57:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4c5930d78fbf43bb1310362850cf7589 (10 x AgentTesla, 5 x Loki, 1 x Pony)
ssdeep 12288:Pvb7RSh1zZ+S6rGb2sqdM89yYNQoX5+cQhSkcx+vhiyiKNA0qRly128k/xQBNbeP:XHRSh19IxsqFRG3vtiAA0qA28k/xITG
Threatray 2'887 similar samples on MalwareBazaar
TLSH 8725AD2AE3914433C1F22A7C9D5B5375592BBE102D3C98867BE58D8D7F3A281783D1A3
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: smtp2.omasisda.tk
Sending IP: 46.105.81.72
From: linda@china-power-contractor.cn
Subject: RE: Fw: PO #00087484
Attachment: PO87484.gz (contains "PO87484.exe")

NanoCore RAT C2:
maggii.myq-see.com:20207 (79.134.225.111)

Pointing to nVpn:

% Information related to '79.134.225.64 - 79.134.225.127'

% Abuse contact for '79.134.225.64 - 79.134.225.127' is 'abuse@your-vpn.network'

inetnum: 79.134.225.64 - 79.134.225.127
netname: YOUR_VPN_NETWORK
country: DE
remarks: ****************************************************
remarks: This subnet belongs to a VPN service provider.
remarks: We protect the right to privacy, which means
remarks: we don't log the activities of our users.
remarks: ****************************************************
admin-c: EH4074-RIPE
tech-c: YVN10-RIPE
status: ASSIGNED PA
abuse-c: YVN10-RIPE
org: ORG-YVN1-RIPE
mnt-by: AF15-MNT
created: 2019-07-19T18:26:38Z
last-modified: 2019-07-19T18:51:28Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Nanocore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/19098/
Detection(s):
SecuriteInfo.com.Adware.Generic4.BBFB.UNOFFICIAL
Create hunting rule

PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Gathering data
Threat name:
Win32.Infostealer.Chisburg
Create hunting rule
Status:
Malicious
First seen:
2020-06-17 04:22:37 UTC
AV detection:
40 of 48 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=f3z7ilymtx7gp2ou4kv33x3izemv7dlkvfvwqhubb4rtaosftnha._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
hawkeyekeylogger
Create hunting rule
Similar samples:
013e28fb236b074fae60d3252c602924a886ad4c311310dbb19f85ba1c5e2425
NanoCore
4f962ebfce324a7e787f683c25c432206b2418df6fdce533e9c373ee074bf155
NanoCore
5adb192079fbc16f4631d3e5c894d9bec1ed384e7be85742c4f076760eb64a0f
NanoCore
6e417fffcd28aea1071fa5c5b240b2f2e655efd6a153040c3fb64876736dcaa5
NanoCore
75830575168e1d024a8d0c86764cb9b88eea3c79f0c4a24fb39d4e94fd2c42d7
NanoCore
8359e964cc6f542d0b069ece3e6529726d432b4946e054ac3b1c1bedcef2f7d8
NanoCore
8c597485c8789aeb7f4edef9a49fc83a39346ea4d9f31f51b92f27b77ed8af0d
NanoCore
aaa969de94835c4f59740b9bc3463693142db72d094969962d353c6466c10cd5
NanoCore
e0d6344a846da96882dded2616661ce7b3f4011d05935c64d14e9ccf1a9965e2
NanoCore
f06267d67c638007d2b6381cee8a98d6a5e4259e185c945b66e110d37f0fed26
NanoCore
+ 2'877 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore persistence
Link:
https://tria.ge/reports/200624-kmsr6rvv9n/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run entry to start application
Checks whether UAC is enabled
UPX packed file
NanoCore
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 48d026cc763afe9192fc935b2ff637f9ea6763999c72394b82159dae2d8323ea

NanoCore

Executable exe 2ef3f42f0c9dfe67e9d4e2abbddf68c9195f8d6aa96b681e810f23303a459b4e

(this sample)

  
Dropped by
MD5 69c2d4ec8006fd78f8e5e4c21d052e0d
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 48d026cc763afe9192fc935b2ff637f9ea6763999c72394b82159dae2d8323ea
Cape
Cape
https://www.capesandbox.com/analysis/19098/

Comments