MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f8845fdf3004769d9dadd3f9eb2b7eb26eaaf644809f16772a239a23b9d3433. 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 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6f8845fdf3004769d9dadd3f9eb2b7eb26eaaf644809f16772a239a23b9d3433
SHA3-384 hash: 611babc3326228f6a3e6cc4b06e97d0b8d51fcb38444afd242f8b97c898db0599b5979528ac5edea6f62e2f0959e75bb
SHA1 hash: a1ba0c942914210830bf3ebef217a3885fd42c81
MD5 hash: a69ade977247a067d84b3a6347fbc2d4
humanhash: mango-monkey-spaghetti-vegan
File name:eVoucher#.pif.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:887'808 bytes
First seen:2022-02-27 05:50:57 UTC
Last seen:2022-02-27 08:02:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ZQTjoh0pV6UnTaFn17PVmqFF7EJhlVRGRTg2X0sUSWZ7SPIeJgV5+JH18nOvGi:ZQTsSnurqPlR1sCZ78IeJgVOH1MO
Threatray 3'743 similar samples on MalwareBazaar
TLSH T13215231863F88A55E9BDA7FD60F2410A5B35F22A0532E70B9A8118DC1EB2FD1485FF17
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
31.210.20.129:8686

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
31.210.20.129:8686 https://threatfox.abuse.ch/ioc/391108/

Intelligence

File Origin
# of uploads :
2
# of downloads :
383
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/245035/
Detection(s):
SecuriteInfo.com.ArtemisA69ADE977247.30380.12559.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Adding an access-denied ACE
Launching a process
Creating a file
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/621b1147dfdfa8501c640d8a/reports/5e0ed6cd-e344-4b70-8bf1-c4747122d3a9/overview
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.
Gathering data
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/946868
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: NanoCore
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicius Schtasks From Env Var Folder
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 dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Nanocore RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 579349 Sample: eVoucher#.pif.exe Startdate: 27/02/2022 Architecture: WINDOWS Score: 100 55 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->55 57 Multi AV Scanner detection for domain / URL 2->57 59 Found malware configuration 2->59 61 18 other signatures 2->61 8 eVoucher#.pif.exe 1 2->8         started        12 dhcpmon.exe 1 2->12         started        14 dhcpmon.exe 3 2->14         started        16 ngentask.exe 1 2->16         started        process3 file4 49 C:\Users\user\...\eVoucher#.pif.exe.log, ASCII 8->49 dropped 67 Writes to foreign memory regions 8->67 69 Allocates memory in foreign processes 8->69 71 Injects a PE file into a foreign processes 8->71 18 ngentask.exe 1 14 8->18         started        23 ComSvcConfig.exe 8->23         started        25 SMSvcHost.exe 8->25         started        27 RegSvcs.exe 8->27         started        29 conhost.exe 12->29         started        31 conhost.exe 14->31         started        33 conhost.exe 16->33         started        signatures5 process6 dnsIp7 51 purecry54.duckdns.org 31.210.20.129, 49748, 49749, 49750 PLUSSERVER-ASN1DE Netherlands 18->51 53 192.168.2.1 unknown unknown 18->53 43 C:\Users\user\AppData\Roaming\...\run.dat, data 18->43 dropped 45 C:\Users\user\AppData\Local\...\tmp127D.tmp, XML 18->45 dropped 47 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->47 dropped 63 Uses schtasks.exe or at.exe to add and modify task schedules 18->63 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->65 35 schtasks.exe 1 18->35         started        37 schtasks.exe 1 18->37         started        file8 signatures9 process10 process11 39 conhost.exe 35->39         started        41 conhost.exe 37->41         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6f8845fdf3004769d9dadd3f9eb2b7eb26eaaf644809f16772a239a23b9d3433/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-27 05:51:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=n6eel7ptabdwtwo23u7z5mvx5mtovl3ejae7cz3sui42eo45gqzq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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0758171eb92e029d38cef3237e2cdd899827cdeeb3386761933254981b707809
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862965d573744607a29489905cfc8abdd8f187874d476ef4263eee7e5175630a
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89b129e7f88a0d4fd5d977b3cb427866a157ef99abccc3e41c564b5a2441dafa
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de10822bc600d320a74d91bbd368bafc1a53b33dc80221fe0a679ae751d5f7e5
NanoCore
+ 3'733 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220227-gj6headbgk/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
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
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
purecry54.duckdns.org:8686
robi54.duckdns.org:8686
Unpacked files
SH256 hash:
7baa0e6be0d80d5a6e1c0415df8b1933985be2ef41572f38805bca77b58730d5
MD5 hash:
8bd43c9fb6ccabfd7c288c1b8f622811
SHA1 hash:
b87c5d4c4b2d5364354b840387587a024c343bae
Link:
https://www.unpac.me/results/d794cb00-c63a-4354-9b31-07ec3b03bfba/
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
Link:
https://www.unpac.me/results/d794cb00-c63a-4354-9b31-07ec3b03bfba/
SH256 hash:
6f8845fdf3004769d9dadd3f9eb2b7eb26eaaf644809f16772a239a23b9d3433
MD5 hash:
a69ade977247a067d84b3a6347fbc2d4
SHA1 hash:
a1ba0c942914210830bf3ebef217a3885fd42c81
Link:
https://www.unpac.me/results/d794cb00-c63a-4354-9b31-07ec3b03bfba/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/6f8845fdf3004769d9dadd3f9eb2b7eb26eaaf644809f16772a239a23b9d3433

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:malware_Nanocore_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:MALWARE_Win_NanoCore
Create hunting rule
Author:ditekSHen
Description:Detects NanoCore
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_Feb18_1_RID2DF1
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:Nanocore_RAT_Gen_2_RID2D96
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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Cape
Cape
https://www.capesandbox.com/analysis/245035/

Comments