MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c914e1cead39ffb086bb87029bcea3673f8159087ef8cd7c1cf49eceba97ee07. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c914e1cead39ffb086bb87029bcea3673f8159087ef8cd7c1cf49eceba97ee07
SHA3-384 hash: 5bfcbab8f05f73ab3b6c57563a242376364a1099ddb5e4808e953b9219b018b149ce41e4ffb4e10998f0dba4ea99088e
SHA1 hash: 7fda4a5e9610d3df93ec08c855e73a4b2b0570f4
MD5 hash: 3f350480fd99bd2e9c9b32c9fa1bf4e0
humanhash: cold-cold-table-london
File name:MEDUSI492126.pdf.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:942'080 bytes
First seen:2021-01-19 07:19:26 UTC
Last seen:2021-01-19 09:21:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:gGg4kMF2VtDYY4ULce5ly3DF/5892Rfx7y7H+mff7BBTkNAo23KB2pTwcSn9vCfK:gkkzjLzlyzF/B1aHpTkJ23d9ZSn9Vtz
Threatray 59 similar samples on MalwareBazaar
TLSH 0015D582F34CEA46C69033BB0A97722C1B4AF4D7D610DACD731A692E65A2FC12DCD745
Reporter abuse_ch
Tags:exe MSC NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: msc.com
Sending IP: 144.208.127.214
From: MSC Mediterranean <msctunisie.info@msc.com>
Subject: Pre - Arrival Notification BL MEDUSI492126
Attachment: MEDUSI492126.pdf.rar (contains "MEDUSI492126.pdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SPFL20014464370.exe
Verdict:
Malicious activity
Analysis date:
2021-01-19 06:52:15 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/2cc1645c-ffef-413d-b09d-6fa853ec8b4e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/112755/
Detection(s):
SecuriteInfo.com.Artemis.15155.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Launching a process
Sending a UDP request
Creating a file in the %temp% directory
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/584793
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Uses an obfuscated file name to hide its real file extension (double extension)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c914e1cead39ffb086bb87029bcea3673f8159087ef8cd7c1cf49eceba97ee07/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zekodtvnhh73bbv3q4bjxtvdm47ycwiip34m27a46spm5oux5ydq._file
Verdict:
unknown
Similar samples:
01e7b759fb1280b34a32c02b3c78d8c7dbe93d05a1755e2a33b4edf9b58ce974
NanoCore
2109e18f96cf5f627351d52a48eecc483b67e02fd3f1a0e58088f615afc3737f
NanoCore
3360f77209c2a2a5d393eefcb0229f34230fa261199aef2bdf17e8dda0ef540f
NanoCore
3a4d839dd867042efff6cc03629ad9a7a4cc6ab55437891161b6fdc48af09cd1
NanoCore
75674ba2558d6fcf6d3992f09bd87aab282ea0b2d9bd01d6e0149a869506e3ce
NanoCore
8b6da6511860d9a2c86b0ea5f1f31a7811d654a4cf638c9e98fcd806c59050a8
NanoCore
b93e5081bef10f47b8e037da155852225e10cb46b0bdbcab6d57a68364cb98da
NanoCore
d0b62e121a89ba8e44b4b71a887dd80df1e4fc746dabc200854622e9ed1fa8cb
NanoCore
e1154377f15905cdb109d790a5c0232627861b7d560514aa3f110b8dd39645f8
NanoCore
e2ca1d708de42fa96bf9f6b4ae7059af755ad2b694bc91f59b4e696ddf6a81fb
NanoCore
+ 49 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210119-ze3qeq9qcs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
185.162.88.26:20911
fenixalec.ddns.net:20911
Unpacked files
SH256 hash:
a60900adc31e8e28ff541b91a55de5d9719c0d1ddc3022eb6f6fb5ac19cc9e4f
MD5 hash:
831fb0609b3509b4fb31ac662ac69217
SHA1 hash:
985c33fa2b01e305995e2ea166b961b01f0f6335
Link:
https://www.unpac.me/results/775f8cba-7b9a-46a9-9bb6-21f465ad974c/
SH256 hash:
4f81e273da20c5b9835ce6ca57cc061d77764f9e3927bdb1505cb791bf50b046
MD5 hash:
29e19b5dce96140a8b90152b16bd44af
SHA1 hash:
4f3dc6eb876bb58f53966980a9c451a04ec17d8a
Link:
https://www.unpac.me/results/775f8cba-7b9a-46a9-9bb6-21f465ad974c/
SH256 hash:
4fbb56f5dc4e483df10bcd44d45bac4db5577be7ddf20a4e6c7957a5b271f0af
MD5 hash:
7f0eaa932643cecaa67e3cc6ed800ed6
SHA1 hash:
123360e62fb1d1e9e9f64b742cc2240041294752
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/775f8cba-7b9a-46a9-9bb6-21f465ad974c/
Parent samples :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 hash:
c914e1cead39ffb086bb87029bcea3673f8159087ef8cd7c1cf49eceba97ee07
MD5 hash:
3f350480fd99bd2e9c9b32c9fa1bf4e0
SHA1 hash:
7fda4a5e9610d3df93ec08c855e73a4b2b0570f4
Link:
https://www.unpac.me/results/775f8cba-7b9a-46a9-9bb6-21f465ad974c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Nanocore
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c914e1cead39ffb086bb87029bcea3673f8159087ef8cd7c1cf49eceba97ee07

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
Create hunting rule
Author:jeFF0Falltrades
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 7e677312fc56cafa50c8729bd0d7ad8c781fa09a1e388de559b3f73176fcf205

NanoCore

Executable exe c914e1cead39ffb086bb87029bcea3673f8159087ef8cd7c1cf49eceba97ee07

(this sample)

  
Dropped by
MD5 358e0d920e0a1be4a1d69740ebc89c0a
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/112755/
  
Dropped by
SHA256 7e677312fc56cafa50c8729bd0d7ad8c781fa09a1e388de559b3f73176fcf205

Comments