MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 326f6f4666110d3946f684fa450fa2f5e207b6fcbc6a8170a5df22c0fcc19385. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 326f6f4666110d3946f684fa450fa2f5e207b6fcbc6a8170a5df22c0fcc19385
SHA3-384 hash: 63d45d6b4745eb6053c2b5912715332c82f7867eff6263df10997afb999693450562dc8694b01dbbed5890b3d2b73072
SHA1 hash: 8944685af2705c10232e7d4fa771e6d79bf57f8d
MD5 hash: a2980062855e3ff75037425dfe2fa1fc
humanhash: earth-stairway-mexico-princess
File name:ckuh.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:1'271'296 bytes
First seen:2025-04-27 18:02:58 UTC
Last seen:2025-04-29 10:50:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4ab2b6097cb4d5c94a2a2679ebd73227 (1 x AsyncRAT)
ssdeep 24576:pcyATBJXnOFU2WW4FdAku07OKPe4x5TjKee1+oh/GH:f0/OKPeE5qee4l
Threatray 48 similar samples on MalwareBazaar
TLSH T10F45A40BF7B611D1F5BAC139A562322AFC7234A1873897D792859A0E4B30FE4AD3D750
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter JAMESWT_WT
Tags:185-39-17-70 AsyncRAT booking ClickFix exe FakeCaptcha Spam-ITA

Intelligence

File Origin
# of uploads :
2
# of downloads :
609
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
ckuh.exe
Verdict:
Malicious activity
Analysis date:
2025-04-27 18:05:29 UTC
Tags:
loader rat asyncrat remote auto-reg
Link:
https://app.any.run/tasks/d3a40374-02ae-4a2b-a5b8-9c416756519c

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/4378/
Detection(s):
SecuriteInfo.com.Variant.Lazy.351343.2306.3767.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=680e7572cc5fb3600cc37273
Tags:
smarts virus micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Connection attempt
Sending an HTTP GET request
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Creating a window
Creating a file in the %temp% subdirectories
Creating a file
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
entropy fingerprint microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/680e7167c502e7176af969be/reports/c744d7a6-6951-42ea-ae6d-c196f719b5b2/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/326f6f4666110d3946f684fa450fa2f5e207b6fcbc6a8170a5df22c0fcc19385
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/75de0f55-a1c5-4da8-81f8-fb8db979cf2d
Result
Threat name:
AsyncRAT, DcRat
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1675576
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Compiles code for process injection (via .Net compiler)
Creates an autostart registry key pointing to binary in C:\Windows
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sample uses string decryption to hide its real strings
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Sigma detected: Suspicious Invoke-WebRequest Execution
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected DcRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1675576 Sample: ckuh.exe Startdate: 27/04/2025 Architecture: WINDOWS Score: 100 61 pki-goog.l.google.com 2->61 63 c.pki.goog 2->63 77 Suricata IDS alerts for network traffic 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 Antivirus detection for URL or domain 2->81 83 15 other signatures 2->83 11 ckuh.exe 1 2->11         started        14 svchost.exe 1 1 2->14         started        17 explorer.exe 2->17         started        19 3 other processes 2->19 signatures3 process4 dnsIp5 89 Suspicious powershell command line found 11->89 91 Adds a directory exclusion to Windows Defender 11->91 21 powershell.exe 14 17 11->21         started        25 powershell.exe 23 11->25         started        28 conhost.exe 11->28         started        30 cvtres.exe 1 11->30         started        67 127.0.0.1 unknown unknown 14->67 signatures6 process7 dnsIp8 65 185.39.17.70, 49682, 49688, 80 RU-TAGNET-ASRU Russian Federation 21->65 57 C:\Windows\Temp\rbcoa.exe, PE32+ 21->57 dropped 32 rbcoa.exe 1 12 21->32         started        36 conhost.exe 21->36         started        85 Loading BitLocker PowerShell Module 25->85 87 Powershell drops PE file 25->87 38 WmiPrvSE.exe 25->38         started        40 conhost.exe 25->40         started        file9 signatures10 process11 file12 51 C:\Windows\Temp\xPiglS2\exp.exe, PE32+ 32->51 dropped 53 C:\Users\user\AppData\...\kknmnxxh.cmdline, Unicode 32->53 dropped 55 C:\Users\user\AppData\Local\...\kknmnxxh.0.cs, C++ 32->55 dropped 69 Multi AV Scanner detection for dropped file 32->69 71 Creates an autostart registry key pointing to binary in C:\Windows 32->71 73 Writes to foreign memory regions 32->73 75 3 other signatures 32->75 42 csc.exe 3 32->42         started        45 MSBuild.exe 2 32->45         started        signatures13 process14 file15 59 C:\Users\user\AppData\Local\...\kknmnxxh.dll, PE32 42->59 dropped 47 WMIC.exe 45->47         started        process16 process17 49 conhost.exe 47->49         started       
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/326f6f4666110d3946f684fa450fa2f5e207b6fcbc6a8170a5df22c0fcc19385
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/326f6f4666110d3946f684fa450fa2f5e207b6fcbc6a8170a5df22c0fcc19385/
Threat name:
Win64.Downloader.AsyncRat
Create hunting rule
Status:
Malicious
First seen:
2025-04-27 18:03:22 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gjxw6rtgcegtsrxwqt5ekd5c6xrapnx4xrvic4ff34rmb7gbsocq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
boratrat
Create hunting rule
Similar samples:
0f1073c5cacf5009f6097cf771b71ab18e3350fd445935ce72ac1b45fd175291
AsyncRAT
30886b41903e414dc4fe410d9a85bfdc7bbaf96e1ae7130564160a97af8f75fd
AsyncRAT
326f6f4666110d3946f684fa450fa2f5e207b6fcbc6a8170a5df22c0fcc19385
AsyncRAT
3695e634b502f0df0f10f5445ce9aacadff5a52fcc07870b791d52bef0e4cc47
AsyncRAT
440c3df99e39d7adbbd231ab92b01c2e70e276703e8b5831822bba1facc7e1b9
AsyncRAT
47df6745dadac5d8ecb9c264fc93304916ea5f3be98d6fac73e24c1149cb49a8
AsyncRAT
7977ce0e5277b4e5e028bbded8d565c83e6e9331771b325cc1d6915e599b7aef
AsyncRAT
d539d8a4e3ca4d3b94d072bdf9638ef870f3a77967ea1c9bdf606b892bcb016d
AsyncRAT
dee3485407d08fdd07f00447ffa96d0ae48a7aa6c0e8fd5bd7e510adfc9a5e9f
AsyncRAT
error
AsyncRAT
+ 38 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Link:
https://tria.ge/reports/250427-wm61nszks6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f74c99d6-5c15-46b2-a2af-bb43a9ad8e86
Unpacked files
SH256 hash:
326f6f4666110d3946f684fa450fa2f5e207b6fcbc6a8170a5df22c0fcc19385
MD5 hash:
a2980062855e3ff75037425dfe2fa1fc
SHA1 hash:
8944685af2705c10232e7d4fa771e6d79bf57f8d
Link:
https://www.unpac.me/results/6331053a-87b1-4969-bb2a-b262489a6d46/
Malware family:
DCRat
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/326f6f466611/report/overview.html
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/326f6f4666110d3946f684fa450fa2f5e207b6fcbc6a8170a5df22c0fcc19385

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset

File information

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

Web download

AsyncRAT

Executable exe 326f6f4666110d3946f684fa450fa2f5e207b6fcbc6a8170a5df22c0fcc19385

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/4378/
  
URLhaus
https://urlhaus.abuse.ch/url/3527831/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

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