MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8966cf475018b60651bf2f872ecc2dc97dcd64ed23a26f27e8793fc492409f2a. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8966cf475018b60651bf2f872ecc2dc97dcd64ed23a26f27e8793fc492409f2a
SHA3-384 hash: 00100fd70695c62a7545cd40982fe2990c5801db4e0268881749d9afac20bf1427f0ece11cf22aeead86caa64baca78e
SHA1 hash: b6cd226ae8c822a213489d45f45913d4e5da0c84
MD5 hash: 09c6b25d1d57bb793d74322aabf227a7
humanhash: november-equal-virginia-august
File name:Inquiry92882923.xlsm
Download: download sample
Signature NanoCore
Create hunting rule
File size:274'402 bytes
First seen:2020-08-12 18:04:25 UTC
Last seen:2020-08-12 18:51:33 UTC
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 6144:jBHhXcWPxFHWIILW0vYLyu0qwJX6DpPa8oGKkmY4i01VI6f6ET7:jBH5cux9WlLdr27fmYC1MET7
TLSH 6C4423F549CB678BFA2F78758D6D81E3CB2D70903FA9A61043EA2D5C16D13DA900368D
Reporter abuse_ch
Tags:NanoCore RAT xlsm


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: cpanel01mh.bkk1.cloud.z.com
Sending IP: 150.95.22.138
From: Jessica CLARKE <jerrysteve@indo-heavy.com>
Reply-To: jerrysteve@indo-heavy.com
Subject: Re:New Inquiry with Specification
Attachment: Inquiry92882923.xlsm

NanoCore RAT payload URL:
https://indo-heavy.com/Payment.exe

NanoCore RAT C2:
windo.hopto.org

Intelligence

File Origin
# of uploads :
2
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Heur.Macro.Generic.h.d219711b.29560.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a TCP request to an infection source by exploiting the app vulnerability
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/423525
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Binary contains a suspicious time stamp
Detected Nanocore Rat
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Drops PE files to the user root directory
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)
Office process drops PE file
Sigma detected: Executables Started in Suspicious Folder
Sigma detected: Execution in Non-Executable Folder
Sigma detected: MS Office Product Spawning Exe in User Dir
Sigma detected: NanoCore
Sigma detected: Suspicious Program Location Process Starts
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)
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 264202 Sample: Inquiry92882923.xlsm Startdate: 13/08/2020 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 16 other signatures 2->44 7 EXCEL.EXE 32 40 2->7         started        12 dhcpmon.exe 3 2->12         started        process3 dnsIp4 36 indo-heavy.com 103.229.73.101, 443, 49737 MWN-AS-IDPTMasterWebNetworkID Indonesia 7->36 28 C:\Users\user\AppData\...\Payment[1].exe, PE32 7->28 dropped 30 C:\Users\Public\ajixhgeqt.exe, PE32 7->30 dropped 32 C:\Users\user\...\~$Inquiry92882923.xlsm, data 7->32 dropped 48 Document exploit detected (creates forbidden files) 7->48 50 Document exploit detected (process start blacklist hit) 7->50 14 ajixhgeqt.exe 3 7->14         started        52 Injects a PE file into a foreign processes 12->52 17 dhcpmon.exe 2 12->17         started        file5 signatures6 process7 signatures8 54 Injects a PE file into a foreign processes 14->54 19 ajixhgeqt.exe 1 8 14->19         started        process9 dnsIp10 34 windo.hopto.org 185.231.113.190, 1990, 49740, 49746 PTPEU European Union 19->34 24 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->24 dropped 26 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 19->26 dropped 46 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->46 file11 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8966cf475018b60651bf2f872ecc2dc97dcd64ed23a26f27e8793fc492409f2a/
Threat name:
Script.Downloader.Powdow
Create hunting rule
Status:
Malicious
First seen:
2020-08-12 18:06:07 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rftm6r2qdc3amun7f6ds5tbnzf642zhneorg6j7ipe74jesat4va._file
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:nanocore persistence evasion
Link:
https://tria.ge/reports/200812-nw1tgz9htx/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Executes dropped EXE
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
windo.hopto.org:1990
185.231.113.190:1990
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8966cf475018b60651bf2f872ecc2dc97dcd64ed23a26f27e8793fc492409f2a

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:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples

File information

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

Malspam

NanoCore

Excel file xlsm 8966cf475018b60651bf2f872ecc2dc97dcd64ed23a26f27e8793fc492409f2a

(this sample)

NanoCore

Executable exe 83a8770b696746dc54258ee42b776a69feb8f2bff538b50d840dcbbe9f80cfe5

  
URLhaus
https://urlhaus.abuse.ch/url/431143/
  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 83a8770b696746dc54258ee42b776a69feb8f2bff538b50d840dcbbe9f80cfe5
  
Dropping
MD5 d5290ee0554122d009738a0c342250b7

Comments