MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11ec30aa3578d705303b3626615a9abdc9e876ccafdac76d1149680cb85d8e6d. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 11ec30aa3578d705303b3626615a9abdc9e876ccafdac76d1149680cb85d8e6d
SHA3-384 hash: fde152dc8eb4c3a8b4d3ff4da1912df7f624bd39b17574d91df83ad924843405e266b6dad7d87391938445d9a92adf8b
SHA1 hash: 725c3fd0a7afbacd85bb86535e00152d6cb4998d
MD5 hash: c45730a39a78c6754c78471e820bff88
humanhash: wisconsin-april-fillet-edward
File name:WindowShellExperince.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:6'144 bytes
First seen:2022-11-11 07:01:46 UTC
Last seen:2022-11-11 07:16:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 96:1QP5v79dkCFmYKk0UqUMYl+8t/Os7RMkmqXld3ojrrl:+5T9dPFxMUqULk8t/OS28ldS
Threatray 7 similar samples on MalwareBazaar
TLSH T110C1FE416EEF50DAF23707301BE6B77712A6F5B1152E62F830848A999F30BD0C861EB1
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)
Reporter tcains1
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
164
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
WindowShellExperince.exe
Verdict:
Suspicious activity
Analysis date:
2022-11-11 07:04:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f59e3251-a6ea-4233-ad38-ac6b2fded84f

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/332311/
Detection(s):
SecuriteInfo.com.Variant.Marsilia.2083.13418.2482.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file
Sending a custom TCP request
DNS request
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Running batch commands
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
coinminer packed
Link:
https://www.filescan.io/uploads/636df36c5ae98d577068bee9/reports/74a7aff2-630c-4bc3-891e-502a74aab025/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/76be000a-13ae-41ed-ad5d-a7522e84126e
Result
Threat name:
AsyncRAT, PhoenixRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1111071
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential dropper URLs found in powershell memory
Powershell drops PE file
Sample uses process hollowing technique
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected MSILDownloaderGeneric
Yara detected PhoenixRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 743766 Sample: WindowShellExperince.exe Startdate: 11/11/2022 Architecture: WINDOWS Score: 100 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus / Scanner detection for submitted sample 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 10 other signatures 2->62 9 WindowShellExperince.exe 2 2->9         started        13 SystemGuardRuntime.exe 3 2->13         started        15 SystemGuardRuntime.exe 2->15         started        process3 file4 48 C:\Users\...\WindowShellExperince.exe.log, CSV 9->48 dropped 72 Encrypted powershell cmdline option found 9->72 17 powershell.exe 14 18 9->17         started        74 Antivirus detection for dropped file 13->74 76 Multi AV Scanner detection for dropped file 13->76 78 Machine Learning detection for dropped file 13->78 80 4 other signatures 13->80 22 RegAsm.exe 3 13->22         started        signatures5 process6 dnsIp7 50 cdn.discordapp.com 162.159.134.233, 443, 49695 CLOUDFLARENETUS United States 17->50 52 192.168.2.1 unknown unknown 17->52 44 C:\Users\user\AppData\...\82924msaurewkdf.exe, PE32 17->44 dropped 64 Powershell drops PE file 17->64 24 82924msaurewkdf.exe 5 17->24         started        28 conhost.exe 17->28         started        file8 signatures9 process10 file11 46 C:\Users\user\...\SystemGuardRuntime.exe, PE32 24->46 dropped 66 Antivirus detection for dropped file 24->66 68 Multi AV Scanner detection for dropped file 24->68 70 Machine Learning detection for dropped file 24->70 30 cmd.exe 1 24->30         started        33 powershell.exe 1 21 24->33         started        35 RegAsm.exe 2 24->35         started        signatures12 process13 dnsIp14 82 Uses schtasks.exe or at.exe to add and modify task schedules 30->82 38 conhost.exe 30->38         started        40 schtasks.exe 1 30->40         started        42 conhost.exe 33->42         started        54 85.105.88.221, 2531 TTNETTR Turkey 35->54 signatures15 process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/11ec30aa3578d705303b3626615a9abdc9e876ccafdac76d1149680cb85d8e6d/
Threat name:
ByteCode-MSIL.Downloader.PsDownload
Create hunting rule
Status:
Malicious
First seen:
2022-11-09 17:01:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
18 of 26 (69.23%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=chwdbkrvpdlqkmb3gytgcwu2xxe6q5wmv7nmo3irjfuazoc5rzwq._file
Verdict:
malicious
Similar samples:
153a3ed551e0ab232e18446a4b185b3c3f4dbb45cfaab67aeed12ead3e8ac4b9
AsyncRAT
1eb20f517c0c3630095eeb0553390e906ee423dad7b5082a7b29a0243972b180
AsyncRAT
8744ee78fd8ec700b2d27545ad32e1e28f38f07c272d61bbcb8cff147cfb9bda
AsyncRAT
8d5bbc1df6891d4e6d87702068fedfdccf2533e0fe6648aa12e62766cc20cb54
AsyncRAT
d79ce2dede3d6ebedc5be7388c9139fdcc0282a894b60af4220030d1dccf796a
AsyncRAT
fe5bef849559a2f89c3f9e5aa7c1ce81530e7670cbefd11bdfa3e829a3c35777
AsyncRAT
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:system guard runtime persistence rat
Link:
https://tria.ge/reports/221111-htr87saba2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
85.105.88.221:2531
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ec774c00-02e6-46fc-8102-5f82bc002925
Unpacked files
SH256 hash:
11ec30aa3578d705303b3626615a9abdc9e876ccafdac76d1149680cb85d8e6d
MD5 hash:
c45730a39a78c6754c78471e820bff88
SHA1 hash:
725c3fd0a7afbacd85bb86535e00152d6cb4998d
Link:
https://www.unpac.me/results/fee575fe-3b9e-4edd-91d4-baa18462ca45/
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/11ec30aa3578d705303b3626615a9abdc9e876ccafdac76d1149680cb85d8e6d

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
Rule name:SUSP_Encoded_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious encoded URL to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

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

Web download

RedLineStealer

Executable exe c6dda31fa6cb4ce140f62c9ce604672fa4a9ba5d1792f2d77f3cfcb43b3227ac

AsyncRAT

Executable exe fe5bef849559a2f89c3f9e5aa7c1ce81530e7670cbefd11bdfa3e829a3c35777

AsyncRAT

Executable exe 11ec30aa3578d705303b3626615a9abdc9e876ccafdac76d1149680cb85d8e6d

(this sample)

  
Dropped by
SHA256 fe5bef849559a2f89c3f9e5aa7c1ce81530e7670cbefd11bdfa3e829a3c35777
  
Delivery method
Distributed via drive-by
  
URLhaus
https://urlhaus.abuse.ch/url/2407549/
  
URLhaus
https://urlhaus.abuse.ch/url/2407556/
Cape
Cape
https://www.capesandbox.com/analysis/332311/
  
Dropped by
MD5 5f122d182bf00400247fdfc6a6ae9e80

Comments