MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 378f88cc9bbe98557c78d51f384d2156a42f4a00d0c76f830e715c99650715b1. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 378f88cc9bbe98557c78d51f384d2156a42f4a00d0c76f830e715c99650715b1
SHA3-384 hash: 96d8732d566e9d1238f9418dfd00f97fabfeca3ceb1ea72c35dafe7b508b7dfe4c14e411e7c025587f5ce66c00bd2362
SHA1 hash: 2ed697f558cdcaeedca1a4beba5c35607abbb91e
MD5 hash: 6d36387beed16a7d89ffb8ff60abeb6d
humanhash: berlin-social-edward-london
File name:as.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:1'422'848 bytes
First seen:2021-06-07 05:32:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:DxHLtbwt/UVYtXiZmp0jcR2KgfoblzkAbBGmo:hZwt/UYtXiZmocR7blzN
Threatray 790 similar samples on MalwareBazaar
TLSH B4658C123398B52BE23E96B17574050842FABE4AD576DB7EFD8871CF09F1A409301BA7
Reporter 0x3c7
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
as.exe
Verdict:
Malicious activity
Analysis date:
2021-06-07 05:36:12 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/461b768f-8a28-48a1-9c23-ccad38c7aa83

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/164807/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching a process
Creating a window
Sending a UDP request
Modifying a system file
Result
Verdict:
SUSPICIOUS
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:
AgentTesla AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/797770
Signature
Bypasses PowerShell execution policy
Found malware configuration
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 430168 Sample: as.exe Startdate: 07/06/2021 Architecture: WINDOWS Score: 100 57 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->57 59 Found malware configuration 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 6 other signatures 2->63 11 as.exe 7 2->11         started        process3 file4 47 C:\Users\user\AppData\Local\...\tmp6DEA.tmp, XML 11->47 dropped 49 C:\Users\user\AppData\Local\...\as.exe.log, ASCII 11->49 dropped 51 C:\Users\user\AppData\...\dwXGAWWTWpsOP.exe, PE32 11->51 dropped 75 Uses schtasks.exe or at.exe to add and modify task schedules 11->75 77 Injects a PE file into a foreign processes 11->77 15 as.exe 2 4 11->15         started        20 schtasks.exe 1 11->20         started        22 as.exe 11->22         started        signatures5 process6 dnsIp7 53 147.124.214.14, 49737, 49746, 49747 AC-AS-1US United States 15->53 43 C:\Users\user\AppData\Local\Temp\mbgulm.exe, PE32 15->43 dropped 55 Tries to harvest and steal browser information (history, passwords, etc) 15->55 24 cmd.exe 1 15->24         started        27 conhost.exe 20->27         started        file8 signatures9 process10 signatures11 71 Suspicious powershell command line found 24->71 73 Bypasses PowerShell execution policy 24->73 29 powershell.exe 13 24->29         started        31 conhost.exe 24->31         started        process12 process13 33 mbgulm.exe 6 29->33         started        file14 45 C:\Users\user\AppData\Roaming\ldIYsdU.exe, PE32 33->45 dropped 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 33->65 67 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 33->67 69 Injects a PE file into a foreign processes 33->69 37 schtasks.exe 33->37         started        39 mbgulm.exe 33->39         started        signatures15 process16 process17 41 conhost.exe 37->41         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/378f88cc9bbe98557c78d51f384d2156a42f4a00d0c76f830e715c99650715b1/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-06-07 05:33:09 UTC
AV detection:
2 of 47 (4.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g6hyrte3x2mfk7dy2uptqtjbk2sc6sqa2ddw7ayoofojszihcwyq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
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16fc0cec13d88da3d0a36e4c42e733db8f1e21cafc18fd813a25cd0bc835f35a
AsyncRAT
438e8f8d626ca18bb5fbd3499cad058033b199c865badba6415e362d5b8dcd49
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44b5209fadd63026c1f4c7f1d1a6b9f49aa76f8597579773a0bc0010bada5853
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64319bdb698955e2b204010518d3dc69bc5f30d64929eb75e7c2f2ba4f39a7b2
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92249587f4034051ca019922a388b659536fad1cbbba9f2bdfd872867741041d
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991a74bfa1338d3ff4e513f174dd7ee9abee5b83a799b754217af30df6857049
AsyncRAT
a2059d974b96a04e44f1197d988cc4d281c448ce5bf521cdf1476afb2bdd4b93
AsyncRAT
aa6a2d08bba4dc0149088f482643af47721a50013952548fe15415ff481a922e
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b95c99701d429de9d8f52792d7a2b462ec6e342618a04ef419710b42e76293ff
AsyncRAT
c8f972ce679b3339b92813e06e995eb5d3795c5481bd9bf6e5d5fca97748caec
AsyncRAT
+ 780 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat spyware stealer
Link:
https://tria.ge/reports/210607-ydhd2qsrpe/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
147.124.214.14:6606
147.124.214.14:7707
147.124.214.14:8808
Unpacked files
SH256 hash:
34e69e90b7cb6121c3f93911f21dfb00491ea5d5bb79bfce4902d04f72c24184
MD5 hash:
b6b086a0ab13f3feb9ee8c846d230e5d
SHA1 hash:
dd8e1b816f3e7d9dcfa6eddc20a27fe0fbed478a
Link:
https://www.unpac.me/results/c57fe19e-024c-48d0-92ec-0b8ae323bb8e/
SH256 hash:
378f88cc9bbe98557c78d51f384d2156a42f4a00d0c76f830e715c99650715b1
MD5 hash:
6d36387beed16a7d89ffb8ff60abeb6d
SHA1 hash:
2ed697f558cdcaeedca1a4beba5c35607abbb91e
Link:
https://www.unpac.me/results/c57fe19e-024c-48d0-92ec-0b8ae323bb8e/
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/378f88cc9bbe98557c78d51f384d2156a42f4a00d0c76f830e715c99650715b1

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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

iso 425dbed047dd2ce760d0848ebf7ad04b1ca360f111d557fc7bf657ae89f86d36

AsyncRAT

Executable exe 378f88cc9bbe98557c78d51f384d2156a42f4a00d0c76f830e715c99650715b1

(this sample)

  
Dropped by
SHA256 425dbed047dd2ce760d0848ebf7ad04b1ca360f111d557fc7bf657ae89f86d36
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1331203/
Cape
Cape
https://www.capesandbox.com/analysis/164807/

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