MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 134970a4894d8c7cfd33a8e26f8d4fe1397cd249d0d864f7e50530c051c1cf8d. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 134970a4894d8c7cfd33a8e26f8d4fe1397cd249d0d864f7e50530c051c1cf8d
SHA3-384 hash: aaca7683415b6a74bf24641e77451910908f987c58932b149522742405ca27adeefdc67c61242d693fceeb9d48aeab78
SHA1 hash: 68f67e09b48851337a210275c521b7c045285e6f
MD5 hash: 1a217d1abef2e5b157a4ed42f82f3612
humanhash: robert-six-finch-seven
File name:detail.vbs
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:2'161 bytes
First seen:2021-09-20 10:14:02 UTC
Last seen:2021-09-21 11:59:53 UTC
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 48:6YCH1I5/cEoOeUypPK/c6vHRqiMPihZefY1YKbtxG:4VYc9OeUCWc6wj+OQxG
Threatray 1'344 similar samples on MalwareBazaar
TLSH T1C84103C3FBE843A56CC0D8E4511C576B54BAC02A3CA860D6C7F181ABB0FE85838F5174
Reporter pr0xylife
Tags:AsyncRAT vbs

Intelligence

File Origin
# of uploads :
3
# of downloads :
276
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/189383/
Detection(s):
SecuriteInfo.com.CL.Downloadergen116.11204.25814.UNOFFICIAL
Create hunting rule

Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/853919
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
Sigma detected: Drops script at startup location
Sigma detected: Encoded IEX
Sigma detected: Suspicious Csc.exe Source File Folder
Suspicious powershell command line found
VBScript performs obfuscated calls to suspicious functions
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AsyncRAT
Yara detected RUNPE
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 486350 Sample: detail.vbs Startdate: 20/09/2021 Architecture: WINDOWS Score: 100 78 Found malware configuration 2->78 80 Antivirus detection for dropped file 2->80 82 Yara detected RUNPE 2->82 84 7 other signatures 2->84 10 wscript.exe 1 2->10         started        13 wscript.exe 1 2->13         started        process3 signatures4 90 VBScript performs obfuscated calls to suspicious functions 10->90 92 Suspicious powershell command line found 10->92 94 Wscript starts Powershell (via cmd or directly) 10->94 15 powershell.exe 14 19 10->15         started        20 powershell.exe 13->20         started        process5 dnsIp6 68 pastetext.net 104.21.83.52, 443, 49744 CLOUDFLARENETUS United States 15->68 50 C:\Users\Public\ChromiumUpdate.PS1, ASCII 15->50 dropped 70 Drops VBS files to the startup folder 15->70 72 Compiles code for process injection (via .Net compiler) 15->72 22 powershell.exe 24 15->22         started        26 conhost.exe 15->26         started        52 C:\Users\user\AppData\...\SystemLogin.vbs, ASCII 20->52 dropped 54 C:\Users\user\AppData\Local\...\4knfi5mb.0.cs, C++ 20->54 dropped 74 Writes to foreign memory regions 20->74 76 Injects a PE file into a foreign processes 20->76 28 csc.exe 20->28         started        30 conhost.exe 20->30         started        32 AppLaunch.exe 20->32         started        file7 signatures8 process9 file10 58 C:\Users\user\AppData\...\qbvveu3y.cmdline, UTF-8 22->58 dropped 86 Writes to foreign memory regions 22->86 88 Injects a PE file into a foreign processes 22->88 34 csc.exe 3 22->34         started        37 AppLaunch.exe 3 4 22->37         started        60 C:\Users\user\AppData\Local\...\4knfi5mb.dll, PE32 28->60 dropped 40 cvtres.exe 28->40         started        signatures11 process12 dnsIp13 56 C:\Users\user\AppData\Local\...\qbvveu3y.dll, PE32 34->56 dropped 42 cvtres.exe 1 34->42         started        62 ic-54113400-1475e2-windowsupdate48.s.loris.llnwd.net 95.140.231.64, 49749, 80 LLNWUS United Kingdom 37->62 64 joelthomas.linkpc.net 194.5.98.26, 49747, 49843, 49844 DANILENKODE Netherlands 37->64 66 2 other IPs or domains 37->66 44 cmd.exe 37->44         started        file14 process15 process16 46 conhost.exe 44->46         started        48 timeout.exe 44->48         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/134970a4894d8c7cfd33a8e26f8d4fe1397cd249d0d864f7e50530c051c1cf8d/
Threat name:
Script-WScript.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2021-09-20 10:14:09 UTC
AV detection:
5 of 27 (18.52%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
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61824b191d00e5bfa96a2bfb0da8c98e5fbfa5670da92abbc49d247e7e8e3650
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ca84e70120b5fb479ca54211645ac24d562849107ef0e04df6741c0b88d6d168
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ecfaef9e7fc7c83be8beedfcbef268c3d5a91a904ed211fa553c9e9b6aaa9c42
AsyncRAT
+ 1'334 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Link:
https://tria.ge/reports/210920-l9pd2agdal/
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
Drops startup file
Blocklisted process makes network request
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
joelthomas.linkpc.net:5900
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/134970a4894d8c7cfd33a8e26f8d4fe1397cd249d0d864f7e50530c051c1cf8d

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/189383/

Comments