MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e8e6f42badead99a442d40af0d3420b0fe878f011b623c8119de157c1c462a8. 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: 9


Intelligence 9 IOCs YARA 6 File information Comments
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SHA256 hash: 8e8e6f42badead99a442d40af0d3420b0fe878f011b623c8119de157c1c462a8
SHA3-384 hash: d1815f7827fc322d1bb23b9a724e593b9ce6991c2f9e204c55f9fa88bb7e9c87784c01a1e7e60e105ef6dee31f79540c
SHA1 hash: df5be8c76b42e0c2a3b2106c45f48bc41f9462b3
MD5 hash: 253d5928309e6ebdd50a6dcdaf28888b
humanhash: louisiana-gee-cat-william
File name:Statement-ID-(40450421).vbs
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:292 bytes
First seen:2021-03-08 19:37:57 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 6:YuAuPRizzNkRkibEry6XLZ4MELHxNKFYvAbxrUU4oKkfXDLyM:YuvR86bE3Z4dLyYvANruoKk7Lf
Threatray 671 similar samples on MalwareBazaar
TLSH C2E02B768529C99321AF1D8DA01580B84D16E027BE70F6F14162E581540ED3C3D6DDC2
Reporter abuse_ch
Tags:AsyncRAT Charter RAT vbs


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: p-impout002fwd.msg.pkvw.co.charter.net
Sending IP: 47.43.26.167
From: Spectrum <Lmonfette@tampabay.rr.com>
Subject: Your Spectrum Statement is Available now.
Attachment: Statement-ID-40450421.iso (contains "Statement-ID-(40450421).vbs")

Intelligence

File Origin
# of uploads :
1
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/123042/
Detection(s):
SecuriteInfo.com.PUA.PowerShell.Agent-15.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
DNS request
Sending a custom TCP request
Creating a file
Sending a UDP request
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
MALICIOUS
Result
Threat name:
AsyncRAT
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Detection:
malicious
Classification:
phis.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/632006
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: MSHTA Spawning Windows Shell
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
VBScript performs obfuscated calls to suspicious functions
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected MSIL_Load_Encrypted_Assembly
Yara detected obfuscated html page
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 364972 Sample: Statement-ID-(40450421).vbs Startdate: 08/03/2021 Architecture: WINDOWS Score: 100 54 Found malware configuration 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Yara detected obfuscated html page 2->58 60 6 other signatures 2->60 9 wscript.exe 1 2->9         started        12 mshta.exe 19 2->12         started        process3 signatures4 62 VBScript performs obfuscated calls to suspicious functions 9->62 14 mshta.exe 23 9->14         started        17 powershell.exe 14 12->17         started        process5 dnsIp6 48 cdn.discordapp.com 162.159.129.233, 443, 49714, 49728 CLOUDFLARENETUS United States 14->48 20 powershell.exe 14 19 14->20         started        50 Writes to foreign memory regions 17->50 52 Injects a PE file into a foreign processes 17->52 24 conhost.exe 17->24         started        26 aspnet_compiler.exe 17->26         started        signatures7 process8 dnsIp9 42 ia801503.us.archive.org 207.241.228.153, 443, 49726 INTERNET-ARCHIVEUS United States 20->42 44 162.159.135.233, 443, 49719 CLOUDFLARENETUS United States 20->44 46 2 other IPs or domains 20->46 36 C:\Users\user\AppData\Roaming\...\Run.hta, HTML 20->36 dropped 38 C:\Users\Public\Microsoft.ps1, ASCII 20->38 dropped 28 powershell.exe 24 20->28         started        31 conhost.exe 20->31         started        file10 process11 signatures12 64 Writes to foreign memory regions 28->64 66 Injects a PE file into a foreign processes 28->66 33 aspnet_compiler.exe 2 28->33         started        process13 dnsIp14 40 clayroot2016.linkpc.net 193.23.3.13, 49733, 6666 HOSTSLIM-GLOBAL-NETWORKNL unknown 33->40
Gathering data
Threat name:
Script-WScript.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2021-03-08 19:38:06 UTC
AV detection:
4 of 28 (14.29%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r2hg6qv232wztjcc2qfpbu2cbmh6q6hqcg3chsartxqvpqoemkua._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
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e452ae28b674ac4715a811e24d502948e94489ccb1ed14ca49d3ed8ab395f85c
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fc926b2871dc293ad75ff0caf3863adc75b9342a34c1965c3991f512a2f666c8
AsyncRAT
+ 661 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210308-8xsk93n8dn/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Drops startup file
Blocklisted process makes network request
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
clayroot2016.linkpc.net:6666
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/8e8e6f42badead99a442d40af0d3420b0fe878f011b623c8119de157c1c462a8

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:asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:dsc
Create hunting rule
Author:Aaron DeVera
Description:Discord domains
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research

File information

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

Malspam

AsyncRAT

iso 1d4cfcef245911183f8b6308a1894ebd0f2638cf886d4c62961502ab9baa578e

AsyncRAT

Visual Basic Script (vbs) vbs 8e8e6f42badead99a442d40af0d3420b0fe878f011b623c8119de157c1c462a8

(this sample)

  
Dropped by
MD5 73586f85ce713b54cd4cc524c77bb4f0
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/123042/
  
Dropped by
SHA256 1d4cfcef245911183f8b6308a1894ebd0f2638cf886d4c62961502ab9baa578e

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