MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b8749dd4fbb546524dbc10b4f9bec1a3f3a04c9712dfa6a804aa7aad2708c71. 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: 15


Intelligence 15 IOCs 1 YARA 2 File information Comments

SHA256 hash: 8b8749dd4fbb546524dbc10b4f9bec1a3f3a04c9712dfa6a804aa7aad2708c71
SHA3-384 hash: 0711af19f20fce82774b70bc10f87eef2c43101e6be760190271a3c4e358bbe34e5ff2f82cf093b912ce052d3bc20ecb
SHA1 hash: 407c9a9826746138d785838a9c6e234dfdcee860
MD5 hash: 8022c118e42540a9f96e662b8e2bae3e
humanhash: high-blossom-alpha-neptune
File name:8022c118e42540a9f96e662b8e2bae3e.exe
Download: download sample
Signature AsyncRAT
File size:532'480 bytes
First seen:2022-05-24 03:47:17 UTC
Last seen:2022-05-24 04:34:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:U7qk3AfxtpoZ3EZvG+K3lOZgsB8IR30Ch2:U7qOAfxtq3EZVKU2sB8GTh2
Threatray 1'115 similar samples on MalwareBazaar
TLSH T149B4028033BDCB67E47C97FA65615A1413B1A3F66990E3082D96B0FB1E62F4006C6F4B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon d2961d3133038ee8 (24 x AgentTesla, 18 x FormBook, 8 x Loki)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
79.134.225.9:6060

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
79.134.225.9:6060 https://threatfox.abuse.ch/ioc/629008/

Intelligence


File Origin
# of uploads :
2
# of downloads :
304
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
8022c118e42540a9f96e662b8e2bae3e.exe
Verdict:
Malicious activity
Analysis date:
2022-05-24 03:48:07 UTC
Tags:
asyncrat

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

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
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:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 632850 Sample: R14TkI759L.exe Startdate: 24/05/2022 Architecture: WINDOWS Score: 100 75 Malicious sample detected (through community Yara rule) 2->75 77 Multi AV Scanner detection for dropped file 2->77 79 Multi AV Scanner detection for submitted file 2->79 81 5 other signatures 2->81 10 R14TkI759L.exe 7 2->10         started        14 images.exe 4 2->14         started        process3 file4 67 C:\Users\user\AppData\Roaming\nJGefn.exe, PE32 10->67 dropped 69 C:\Users\user\AppData\Local\...\tmp2F1E.tmp, XML 10->69 dropped 71 C:\Users\user\AppData\...\R14TkI759L.exe.log, ASCII 10->71 dropped 83 Uses schtasks.exe or at.exe to add and modify task schedules 10->83 85 Adds a directory exclusion to Windows Defender 10->85 16 R14TkI759L.exe 6 10->16         started        19 powershell.exe 25 10->19         started        21 schtasks.exe 1 10->21         started        23 conhost.exe 10->23         started        87 Multi AV Scanner detection for dropped file 14->87 25 powershell.exe 14->25         started        27 schtasks.exe 14->27         started        29 images.exe 14->29         started        signatures5 process6 file7 65 C:\Users\user\AppData\Roaming\images.exe, PE32 16->65 dropped 31 cmd.exe 1 16->31         started        33 cmd.exe 1 16->33         started        35 conhost.exe 19->35         started        37 conhost.exe 21->37         started        39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        process8 process9 43 images.exe 31->43         started        46 conhost.exe 31->46         started        48 timeout.exe 31->48         started        50 conhost.exe 33->50         started        52 schtasks.exe 1 33->52         started        signatures10 89 Adds a directory exclusion to Windows Defender 43->89 91 Injects a PE file into a foreign processes 43->91 54 powershell.exe 43->54         started        56 schtasks.exe 43->56         started        58 images.exe 43->58         started        process11 dnsIp12 61 conhost.exe 54->61         started        63 conhost.exe 56->63         started        73 79.134.225.9, 6060 FINK-TELECOM-SERVICESCH Switzerland 58->73 process13
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-24 03:48:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:eloasync rat
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
79.134.225.9:6060
Unpacked files
SH256 hash:
272d7c465110fe27b6e73893a0737645bf3f9086c403261142278d0f0200fa27
MD5 hash:
faececd88ecc977b6cc3255249764a78
SHA1 hash:
cf6f7111c86c4a5b7ec60273757f112422420d1f
Detections:
win_asyncrat_w0
SH256 hash:
9c88d37ff5ecd13b0e660944d618e4533c63159ade21c877759bc0d393b16f22
MD5 hash:
13694af36173e99e95257a78891f3d50
SHA1 hash:
b027596088fd410d7d3a1209b67272adfb754556
SH256 hash:
7fc3a061a6e1994477839381444ed4f983946612d0089e6831bd2bade175f9ca
MD5 hash:
748acb34a51e6c4974b38c39ae84f3fe
SHA1 hash:
89b81512a0111f8c4e43387fd26cc253b35fa07e
SH256 hash:
5490a58f2481408a0adc83aa3b0168f34a03866b41b11a6a9b9b86d1a7cc4192
MD5 hash:
a84af8c8c117600500c1314e4df08e8f
SHA1 hash:
7e2fba5093ac32620b810c92ec78df75f3384180
SH256 hash:
8b8749dd4fbb546524dbc10b4f9bec1a3f3a04c9712dfa6a804aa7aad2708c71
MD5 hash:
8022c118e42540a9f96e662b8e2bae3e
SHA1 hash:
407c9a9826746138d785838a9c6e234dfdcee860
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.

Web download

AsyncRAT

Executable exe 8b8749dd4fbb546524dbc10b4f9bec1a3f3a04c9712dfa6a804aa7aad2708c71

(this sample)

  
Delivery method
Distributed via web download

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