MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0c9172e1657a20e5e5b35d9a6632b5b87c5db320275dd0cd62d4174aa69547ea. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0c9172e1657a20e5e5b35d9a6632b5b87c5db320275dd0cd62d4174aa69547ea
SHA3-384 hash: 3806f945475713e2403628090a21f82e4c81388592f7454eed2b0e5a2ea868dcefc877a42715026a1f4168b54f6343b4
SHA1 hash: 15005e9ac235116d19f1498cf59a2c91cbadf41d
MD5 hash: aa830d69d18a4993df4cff0f2dbf3b92
humanhash: steak-six-stream-lake
File name:proforma invoice.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:33'280 bytes
First seen:2022-03-21 12:44:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:LnKTXJNj8AmWSUQa6HlHp3/Afi/B02QZpBvgOeHIt4UtPx90LY:yXJNfXQa6HlHpvAfu/QZp92vOp9L
Threatray 4'462 similar samples on MalwareBazaar
TLSH T16BE25CC2F78AC225FCE70A3184379F40076BFE177892652E6A81B90B3EB324158B7557
File icon (PE):PE icon
dhash icon e0e4a3a6a4b8b8a8 (37 x Formbook, 9 x AZORult, 9 x Loki)
Reporter adrian__luca
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/253586/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6238736c0cd58dbd92ce9d60/reports/a4db58e3-b73a-434d-8228-b28502ba926b/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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/699d5cb3-0359-40e2-8efa-48c435fb6021
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/960772
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Detected Nanocore Rat
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: NanoCore
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected MSILDownloaderGeneric
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 593250 Sample: proforma invoice.exe Startdate: 21/03/2022 Architecture: WINDOWS Score: 100 53 Multi AV Scanner detection for domain / URL 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 17 other signatures 2->59 7 proforma invoice.exe 16 7 2->7         started        12 dhcpmon.exe 2 2->12         started        process3 dnsIp4 45 cdn.discordapp.com 162.159.129.233, 443, 49755 CLOUDFLARENETUS United States 7->45 47 192.168.2.1 unknown unknown 7->47 35 C:\Users\user\AppData\Local\...vpan.exe, PE32 7->35 dropped 37 C:\Users\user\...\proforma invoice.exe.log, ASCII 7->37 dropped 39 C:\Users\user\...vpan.exe:Zone.Identifier, ASCII 7->39 dropped 61 Creates an undocumented autostart registry key 7->61 63 Writes to foreign memory regions 7->63 65 Allocates memory in foreign processes 7->65 67 Injects a PE file into a foreign processes 7->67 14 RegAsm.exe 1 12 7->14         started        19 cmd.exe 1 7->19         started        21 cmd.exe 1 7->21         started        23 RegAsm.exe 7->23         started        25 conhost.exe 12->25         started        file5 signatures6 process7 dnsIp8 49 papakamzy.ddns.net 37.0.11.164, 49795, 49797, 49798 WKD-ASIE Netherlands 14->49 41 C:\Users\user\AppData\Roaming\...\run.dat, data 14->41 dropped 43 C:\Program Files (x86)\...\dhcpmon.exe, PE32 14->43 dropped 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->51 27 conhost.exe 19->27         started        29 timeout.exe 1 19->29         started        31 conhost.exe 21->31         started        33 timeout.exe 1 21->33         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0c9172e1657a20e5e5b35d9a6632b5b87c5db320275dd0cd62d4174aa69547ea/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-20 00:07:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
25 of 42 (59.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bsixfylfpiqolzntlwngmmvvxb6f3mzae5o5btlc2qluvjuvi7va._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
0610cb3a060ef7b21f8346e3aaba432daa7dd55553832c53aca23f76af695333
NanoCore
0b1396805e736275f16550f3ecc5361cfcccc468094b4ea910ded8eaf430a5b3
NanoCore
263565e9f77b5ee48474855d471315dd56d1bcabe4d037fb380d404b3afcd14e
NanoCore
45272694709263868523b77d0561757378cc2e8aa7d64c7ed21deaacbdf88b5b
NanoCore
862965d573744607a29489905cfc8abdd8f187874d476ef4263eee7e5175630a
NanoCore
8bf0518cd0c607aa51073dfe422f6af43ab8b43523bd0c182cc6172c9ecb9072
NanoCore
a30622ef748dbcae11f6a12cf32c096527e55364b32ae546ea1b729c121128ee
NanoCore
adac602d329a95580921b519350a4eefa10c98f593b6be76855b31d8bea64909
NanoCore
b771e6a9cb56600b3cb46440bd7af362598c9904350163754898505d35cff4ad
NanoCore
+ 4'452 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/220321-py4lcsccc8/
Behaviour
Delays execution with timeout.exe
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
Checks whether UAC is enabled
Checks computer location settings
Modifies WinLogon for persistence
NanoCore
Malware Config
C2 Extraction:
papakamzy.ddns.net:7600
37.0.11.164:7600
Unpacked files
SH256 hash:
0c9172e1657a20e5e5b35d9a6632b5b87c5db320275dd0cd62d4174aa69547ea
MD5 hash:
aa830d69d18a4993df4cff0f2dbf3b92
SHA1 hash:
15005e9ac235116d19f1498cf59a2c91cbadf41d
Link:
https://www.unpac.me/results/d21387cd-cde7-4d71-b7ad-59cbfcf57940/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/0c9172e1657a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/0c9172e1657a20e5e5b35d9a6632b5b87c5db320275dd0cd62d4174aa69547ea

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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

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

Malspam

NanoCore

Executable exe 0c9172e1657a20e5e5b35d9a6632b5b87c5db320275dd0cd62d4174aa69547ea

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/253586/

Comments