MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 67617f95de4c19d97e4de6934d2b29e02625853fe80a205ff4086c8bb32cd4ab. 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: 13


Intelligence 13 IOCs 1 YARA 3 File information Comments 1

SHA256 hash: 67617f95de4c19d97e4de6934d2b29e02625853fe80a205ff4086c8bb32cd4ab
SHA3-384 hash: 554a5e78fc9162e996a6fa94f4db3e0a18699b316ac70f1814a082def11e7ced172d9f954708e9896405368d87d7cd30
SHA1 hash: 619a1d84a874f2698f44345d49cd02a205cac6a3
MD5 hash: 864e2a02a8da7f5829616b793608b6a5
humanhash: sad-utah-ceiling-xray
File name:864e2a02a8da7f5829616b793608b6a5
Download: download sample
Signature NanoCore
File size:1'497'600 bytes
First seen:2021-08-12 08:41:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:0YbZ4tp4AmnemleGlp7BQrH93T2fXKvOc:VbqppxKlp9Md3T2/
Threatray 2'512 similar samples on MalwareBazaar
TLSH T10665E53C29B92627D1B6D375CBE59827F4509CAF3161BD94A4CA73260372B5239C323E
dhash icon e4b8b878fcdcf9f0 (9 x Formbook, 5 x AgentTesla, 4 x Loki)
Reporter zbetcheckin
Tags:32 exe NanoCore

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
103.145.252.108:1608 https://threatfox.abuse.ch/ioc/173609/

Intelligence


File Origin
# of uploads :
1
# of downloads :
327
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
864e2a02a8da7f5829616b793608b6a5
Verdict:
Malicious activity
Analysis date:
2021-08-12 08:45:31 UTC
Tags:
rat nanocore trojan

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
DNS request
Connection attempt
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
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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)
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
Sigma detected: Suspicious Process Start Without DLL
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 464004 Sample: 3S66JHX8oL Startdate: 12/08/2021 Architecture: WINDOWS Score: 100 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 11 other signatures 2->61 8 3S66JHX8oL.exe 7 2->8         started        12 RegSvcs.exe 4 2->12         started        14 dhcpmon.exe 4 2->14         started        16 dhcpmon.exe 3 2->16         started        process3 file4 45 C:\Users\user\AppData\Roaming\nYPSbf.exe, PE32 8->45 dropped 47 C:\Users\user\AppData\Local\...\tmp45C9.tmp, XML 8->47 dropped 49 C:\Users\user\AppData\...\3S66JHX8oL.exe.log, ASCII 8->49 dropped 65 Uses schtasks.exe or at.exe to add and modify task schedules 8->65 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 RegSvcs.exe 1 14 8->18         started        23 schtasks.exe 1 8->23         started        25 conhost.exe 12->25         started        27 conhost.exe 14->27         started        29 conhost.exe 16->29         started        signatures5 process6 dnsIp7 51 fellasbam.ddns.net 103.145.252.108, 1608, 49698, 49705 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN unknown 18->51 53 192.168.2.1 unknown unknown 18->53 41 C:\Users\user\AppData\Roaming\...\run.dat, data 18->41 dropped 43 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->43 dropped 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->63 31 schtasks.exe 1 18->31         started        33 schtasks.exe 1 18->33         started        35 conhost.exe 23->35         started        file8 signatures9 process10 process11 37 conhost.exe 31->37         started        39 conhost.exe 33->39         started       
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2021-08-12 08:42:05 UTC
AV detection:
13 of 46 (28.26%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer suricata trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
NanoCore
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
fellasbam.ddns.net:1608
Unpacked files
SH256 hash:
fd1994d393153667141ab0e018ef7c3a6cefc7717feaaa016e993881c0114997
MD5 hash:
9a06e7a0320467d8c5d8bc430a4e01c8
SHA1 hash:
e57f47ca8377ce4e899f2d496f61cb09e0c4b6d0
Detections:
win_nanocore_w0
SH256 hash:
d85f799d4cb690feea89b0335d25a58fdbf325d9be356bc94f409db12336fa39
MD5 hash:
a9bf34b5bc4670d6cc847107d9fe9247
SHA1 hash:
ba0842c7fe5f3d986d23036418e9be15a744439f
SH256 hash:
33ac6b8012ce739e72022086b5d39b7fc030c20fa72988f76957685509d5c041
MD5 hash:
83f8ae95a7e6f016f6b00482588086e6
SHA1 hash:
70392939d6d60a913b51084ec1d98eaae8ca4868
SH256 hash:
67617f95de4c19d97e4de6934d2b29e02625853fe80a205ff4086c8bb32cd4ab
MD5 hash:
864e2a02a8da7f5829616b793608b6a5
SHA1 hash:
619a1d84a874f2698f44345d49cd02a205cac6a3
Malware family:
NanoCore
Verdict:
Malicious
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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

NanoCore

Executable exe 67617f95de4c19d97e4de6934d2b29e02625853fe80a205ff4086c8bb32cd4ab

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-08-12 08:41:14 UTC

url : hxxp://phcn.xyz/plugmanzx.exe