MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9d44ded1da60c6d985cd16f0b98954f746f83f3d7d093f15f30a88eb14441e0a. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9d44ded1da60c6d985cd16f0b98954f746f83f3d7d093f15f30a88eb14441e0a
SHA3-384 hash: d4dd729c55e9970e396e44dbb7929d4a27e8c59d0f56b9581d07d7ebf9952bf4727bf2081b971827d7e970e317b3fbae
SHA1 hash: 7945cfac37e0c6a1e66352162455982a332acf22
MD5 hash: c29eeba1e0bc8a80a10d4e8e947feebb
humanhash: kitten-eleven-twelve-thirteen
File name:Quotation8794A220720_SA_GIANG_TRADING_CO_ LTD.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:589'824 bytes
First seen:2020-08-05 08:48:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'636 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:E+si4uDYmoKzu2LXmAVz8qCBvUDNlRffmSAQdP:EM401oKzuWnCaDNzO
Threatray 1'089 similar samples on MalwareBazaar
TLSH B2C45A89F9409575E15B4A362A7C7D1A4E19EEFA742CC60648FC3C5B3C35B0C3A62E63
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: 7455.serverov.com
Sending IP: 188.93.74.55
From: Nguyen Thi Hong Hanh <sales.nbhlinh@sagiangvn.com>
Subject: Quotation8794A200720
Attachment: Quotation8794A220720_SA_GIANG_TRADING_CO_ LTD.arj (contains "Quotation8794A220720_SA_GIANG_TRADING_CO_ LTD.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/39261/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Enabling autorun by creating a file
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/410674
Signature
.NET source code contains potential unpacker
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 257607 Sample: Quotation8794A220720_SA_GIA... Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 71 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 12 other signatures 2->77 8 Quotation8794A220720_SA_GIANG_TRADING_CO_ LTD.exe 5 2->8         started        12 Quotation8794A220720_SA_GIANG_TRADING_CO_ LTD.exe 2 2->12         started        14 dhcpmon.exe 3 2->14         started        16 dhcpmon.exe 2->16         started        process3 file4 61 C:\Users\user\AppData\...\kyUIUQGZYK.exe, PE32 8->61 dropped 63 C:\Users\...\kyUIUQGZYK.exe:Zone.Identifier, ASCII 8->63 dropped 65 C:\Users\user\AppData\Local\...\tmp3549.tmp, XML 8->65 dropped 67 Quotation8794A2207...ING_CO_ LTD.exe.log, ASCII 8->67 dropped 81 Injects a PE file into a foreign processes 8->81 18 Quotation8794A220720_SA_GIANG_TRADING_CO_ LTD.exe 1 15 8->18         started        23 schtasks.exe 1 8->23         started        25 schtasks.exe 12->25         started        37 3 other processes 12->37 27 schtasks.exe 14->27         started        29 dhcpmon.exe 14->29         started        31 dhcpmon.exe 14->31         started        33 schtasks.exe 16->33         started        35 dhcpmon.exe 16->35         started        signatures5 process6 dnsIp7 69 185.140.53.233, 4488, 49727 DAVID_CRAIGGG Sweden 18->69 55 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->55 dropped 57 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 18->57 dropped 59 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 18->59 dropped 79 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->79 39 schtasks.exe 1 18->39         started        41 schtasks.exe 1 18->41         started        43 conhost.exe 23->43         started        45 conhost.exe 25->45         started        47 conhost.exe 27->47         started        49 conhost.exe 33->49         started        file8 signatures9 process10 process11 51 conhost.exe 39->51         started        53 conhost.exe 41->53         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9d44ded1da60c6d985cd16f0b98954f746f83f3d7d093f15f30a88eb14441e0a/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-08-05 01:40:28 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tvcn5uo2mddntbonc3yltcku65dpqpz5puet6fptbkeowfcedyfa._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
+ 1'079 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
persistence evasion trojan keylogger stealer spyware family:nanocore
Link:
https://tria.ge/reports/200805-z5zpy4jvga/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
185.140.53.233:4488
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/9d44ded1da60c6d985cd16f0b98954f746f83f3d7d093f15f30a88eb14441e0a

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

arj 49bb04d68f01a602b646de55802cd5791d49c8437e048f990bc97c2fbcc387c6

NanoCore

Executable exe 9d44ded1da60c6d985cd16f0b98954f746f83f3d7d093f15f30a88eb14441e0a

(this sample)

  
Dropped by
MD5 682a1a214530d50b6f83262e6c596933
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/39261/
  
Dropped by
SHA256 49bb04d68f01a602b646de55802cd5791d49c8437e048f990bc97c2fbcc387c6

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