MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 462757689ac3c1498cfc5160eb8e160c27668ab5b9a8546af645d522e93e21c0. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 462757689ac3c1498cfc5160eb8e160c27668ab5b9a8546af645d522e93e21c0
SHA3-384 hash: 018e6b751e853ffd1f86cd7b1cc4cf5d0c206399da453bb5c2b46744cd94214064aed5dece33a045d7d647c26aae6910
SHA1 hash: a0ce920bb30e9d2e1cc02578e2ef550931cf610f
MD5 hash: 6afd56eba5faff1a98ab0f3af510774e
humanhash: mobile-emma-fruit-king
File name:PROOF OF PAYMENT.exe
Download: download sample
Signature NanoCore
File size:29'696 bytes
First seen:2022-02-15 14:32:25 UTC
Last seen:2022-02-15 16:42:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'754 x AgentTesla, 19'661 x Formbook, 12'252 x SnakeKeylogger)
ssdeep 192:t+BzZyBrVuVoZjggXbIeNi6xekPw1jHXjjIEWi92+K1D3SHxhU:aZKr0VoZEaIeNZwXXHr0CHf
Threatray 18'111 similar samples on MalwareBazaar
TLSH T109D23F96FFD449B1EDE68B3A2C73CE741527BCEA8531282C28C93D3779775900222667
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0c4 (63 x Formbook, 23 x AgentTesla, 8 x RemcosRAT)
Reporter James_inthe_box
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
2
# of downloads :
271
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Сreating synchronization primitives
Sending a custom TCP request
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Result
Threat name:
Nanocore AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
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
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: NanoCore
Uses dynamic DNS services
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 572623 Sample: PROOF OF PAYMENT.exe Startdate: 15/02/2022 Architecture: WINDOWS Score: 100 47 amechi.duckdns.org 2->47 57 Multi AV Scanner detection for domain / URL 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 17 other signatures 2->63 7 PROOF OF PAYMENT.exe 16 8 2->7         started        12 chrome.exe 14 3 2->12         started        14 chrome.exe 3 2->14         started        16 dhcpmon.exe 2->16         started        signatures3 process4 dnsIp5 51 www.uplooder.net 144.76.120.25, 443, 49768, 49806 HETZNER-ASDE Germany 7->51 53 google.com 172.217.168.14 GOOGLEUS United States 7->53 55 192.168.2.1 unknown unknown 7->55 41 C:\Users\user\AppData\Roaming\chrome.exe, PE32 7->41 dropped 43 C:\Users\user\...\Jjffprhzpjor bin.exe, PE32 7->43 dropped 45 C:\Users\user\...\PROOF OF PAYMENT.exe.log, ASCII 7->45 dropped 67 Injects a PE file into a foreign processes 7->67 18 PROOF OF PAYMENT.exe 1 9 7->18         started        23 Jjffprhzpjor bin.exe 2 7->23         started        25 conhost.exe 7->25         started        27 PROOF OF PAYMENT.exe 7->27         started        69 Multi AV Scanner detection for dropped file 12->69 29 conhost.exe 12->29         started        31 conhost.exe 14->31         started        33 conhost.exe 16->33         started        file6 71 Uses dynamic DNS services 51->71 signatures7 process8 dnsIp9 49 amechi.duckdns.org 194.5.98.222, 4190, 49805, 49812 DANILENKODE Netherlands 18->49 35 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->35 dropped 37 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 18->37 dropped 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->65 39 C:\Users\user\AppData\Roaming\...\hcnIuh.exe, PE32 23->39 dropped file10 signatures11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-15 14:31:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:agenttesla family:nanocore evasion keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Checks computer location settings
Executes dropped EXE
AgentTesla Payload
AgentTesla
NanoCore
Suspicious use of NtCreateProcessExOtherParentProcess
Malware Config
C2 Extraction:
amechi.duckdns.org:4190
Unpacked files
SH256 hash:
462757689ac3c1498cfc5160eb8e160c27668ab5b9a8546af645d522e93e21c0
MD5 hash:
6afd56eba5faff1a98ab0f3af510774e
SHA1 hash:
a0ce920bb30e9d2e1cc02578e2ef550931cf610f
Malware family:
Agent Tesla v3
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: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.

  
Delivery method
Other

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