MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b12ed3f10bbc4e4ade3f53856b19c7ab878eb023389a8b6c4c3c495a0ea97f86. 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



AsyncRAT


Vendor detections: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: b12ed3f10bbc4e4ade3f53856b19c7ab878eb023389a8b6c4c3c495a0ea97f86
SHA3-384 hash: 9e6b16e61dce928a68abc58f5be36a88de9a0dfa5a38cdaa6215861473d2138364123dc92fc1895321426d520bdd61cc
SHA1 hash: 8133ec36f8bbc7a0d4290aef2b3134db6bd2a069
MD5 hash: 8e8fe0ec459352fcea811a941ff14888
humanhash: autumn-cold-three-eleven
File name:SCAN_00210.EXE
Download: download sample
Signature AsyncRAT
File size:44'544 bytes
First seen:2022-04-12 06:37:47 UTC
Last seen:2022-04-12 07:38:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 384:Nni/7h7+loct/n7kXHwVJffffft+SnJyXnLHHJCU8rUUvYxqS/T+zRmhmq3jb34X:N4UewcW0LHB8rUUGruTgDY
Threatray 1'328 similar samples on MalwareBazaar
TLSH T153134AD6B7540B32CDE907364CF253302B77ED55AAF3EB0B588871551E73F804682AAA
File icon (PE):PE icon
dhash icon 30f8c4d4dcc8e0e0 (1 x AsyncRAT)
Reporter cocaman
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
270
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SCAN_00210.EXE
Verdict:
Malicious activity
Analysis date:
2022-04-13 05:49:47 UTC
Tags:
n/a

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

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
installutil.exe 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:
AsyncRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Found many strings related to Crypto-Wallets (likely being stolen)
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 submitted file
Passes username and password via HTTP get
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses dynamic DNS services
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 607586 Sample: SCAN_00210.EXE Startdate: 12/04/2022 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 10 other signatures 2->60 7 SCAN_00210.EXE 16 7 2->7         started        12 Vneqh.exe 14 3 2->12         started        14 Vneqh.exe 2->14         started        process3 dnsIp4 44 idea-time.com 31.170.166.136, 443, 49730, 49771 AS-HOSTINGERLT United States 7->44 46 192.168.2.1 unknown unknown 7->46 30 C:\Users\user\AppData\Roaming\...\Vneqh.exe, PE32 7->30 dropped 32 C:\Users\user\...\Vneqh.exe:Zone.Identifier, ASCII 7->32 dropped 34 C:\Users\user\AppData\...\SCAN_00210.EXE.log, ASCII 7->34 dropped 62 Writes to foreign memory regions 7->62 64 Injects a PE file into a foreign processes 7->64 16 InstallUtil.exe 14 15 7->16         started        20 cmd.exe 1 7->20         started        22 InstallUtil.exe 7->22         started        24 3 other processes 7->24 66 Machine Learning detection for dropped file 12->66 file5 signatures6 process7 dnsIp8 36 api.telegram.org 149.154.167.220, 443, 49805 TELEGRAMRU United Kingdom 16->36 38 api.anonfile.com 45.154.253.153, 443, 49804 SVEASE Sweden 16->38 40 freegeoip.app 188.114.96.7, 443, 49798 CLOUDFLARENETUS European Union 16->40 48 Tries to steal Mail credentials (via file / registry access) 16->48 50 Tries to harvest and steal browser information (history, passwords, etc) 16->50 52 Tries to harvest and steal Bitcoin Wallet information 16->52 26 conhost.exe 20->26         started        28 timeout.exe 1 20->28         started        42 severdops.ddns.net 62.197.136.69, 49795, 6204 SPRINTLINKUS Netherlands 22->42 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-12 06:38:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat collection persistence rat spyware suricata
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Looks up external IP address via web service
AsyncRat
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
Unpacked files
SH256 hash:
b12ed3f10bbc4e4ade3f53856b19c7ab878eb023389a8b6c4c3c495a0ea97f86
MD5 hash:
8e8fe0ec459352fcea811a941ff14888
SHA1 hash:
8133ec36f8bbc7a0d4290aef2b3134db6bd2a069
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.

Malspam

AsyncRAT

Executable exe b12ed3f10bbc4e4ade3f53856b19c7ab878eb023389a8b6c4c3c495a0ea97f86

(this sample)

Comments