MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78a742710aa79e0574a6faefecfaf851b64043889e75768f5de091cfc5a21dc0. 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: 6


Intelligence 6 IOCs YARA File information Comments

SHA256 hash: 78a742710aa79e0574a6faefecfaf851b64043889e75768f5de091cfc5a21dc0
SHA3-384 hash: 35649a2b208a43acedc27315173016805834a95f446d6b9de1217857c82c2a977e13d6277fe6c6b2361c3141b02647ec
SHA1 hash: f0c20148cf96f0c81463e0224d80d4c67d7c1a04
MD5 hash: 0284695a0af70e045cf579e015ebbdf4
humanhash: ten-leopard-dakota-happy
File name:WorkScope Details.vbs
Download: download sample
Signature AsyncRAT
File size:32'462 bytes
First seen:2022-04-15 12:15:15 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 96:mFpr7yGEc68hO27bOh7IOHsZKO7hG1xsZKO7h1m1bOoKT5uHvOMh1c68hO27bOhX:YFbRsGy0kRurgN
TLSH T1B5E22697B523FCEC1075496BE5A22A0CF524DDCFB9936ABA5C38C52C703803F664B646
Reporter pr0xylife
Tags:AsyncRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
502
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
UNKNOWN
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Compiles code for process injection (via .Net compiler)
Drops VBS files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Drops script at startup location
Sigma detected: Windows Shell File Write to Suspicious Folder
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AsyncRAT
Yara detected RUNPE
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 609875 Sample: WorkScope Details.vbs Startdate: 15/04/2022 Architecture: WINDOWS Score: 100 72 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->72 74 Found malware configuration 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 10 other signatures 2->78 10 wscript.exe 1 2->10         started        13 wscript.exe 1 2->13         started        process3 signatures4 84 Wscript starts Powershell (via cmd or directly) 10->84 15 powershell.exe 14 19 10->15         started        20 powershell.exe 13->20         started        process5 dnsIp6 62 textbin.net 148.72.177.212, 443, 49719 AS-30083-GO-DADDY-COM-LLCUS United States 15->62 50 C:\Users\Public\mevlbkxshp.PS1, UTF-8 15->50 dropped 64 Drops VBS files to the startup folder 15->64 66 Compiles code for process injection (via .Net compiler) 15->66 22 powershell.exe 24 15->22         started        26 conhost.exe 15->26         started        52 C:\Users\user\AppData\Local\...\50scsgx5.0.cs, C++ 20->52 dropped 68 Writes to foreign memory regions 20->68 70 Injects a PE file into a foreign processes 20->70 28 csc.exe 20->28         started        30 conhost.exe 20->30         started        32 RegSvcs.exe 20->32         started        file7 signatures8 process9 file10 56 C:\Users\...\MicroSoftOutlookLauncher.vbs, ASCII 22->56 dropped 80 Writes to foreign memory regions 22->80 82 Injects a PE file into a foreign processes 22->82 34 csc.exe 3 22->34         started        37 RegSvcs.exe 2 4 22->37         started        58 C:\Users\user\AppData\Local\...\50scsgx5.dll, PE32 28->58 dropped 40 cvtres.exe 28->40         started        signatures11 process12 dnsIp13 54 C:\Users\user\AppData\Local\...\gwzxfl04.dll, PE32 34->54 dropped 42 cvtres.exe 1 34->42         started        60 rick63.publicvm.com 91.193.75.133, 49724, 49731, 5900 DAVID_CRAIGGG Serbia 37->60 44 cmd.exe 37->44         started        file14 process15 process16 46 conhost.exe 44->46         started        48 timeout.exe 44->48         started       
Result
Malware family:
metastealer
Score:
  10/10
Tags:
family:asyncrat family:metastealer botnet:default rat stealer suricata
Behaviour
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
Drops startup file
Blocklisted process makes network request
Async RAT payload
AsyncRat
Meta Stealer Stealer
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT)
Malware Config
C2 Extraction:
rick63.publicvm.com:5900
Dropper Extraction:
https://textbin.net/raw/mevlbkxshp
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments