MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 526539d41092e31a6eb4097cc93b55285d758b41e992d11c1819767306f08f30. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 526539d41092e31a6eb4097cc93b55285d758b41e992d11c1819767306f08f30
SHA3-384 hash: 292d3bf721d71a3d208470905408343193965ff4e29c3da6a5dc1c6dd6e23321d049fff3f24d99ff00593276b5716b8b
SHA1 hash: 18a1fd3b6234380634f89e718fbd8742fbc909ac
MD5 hash: 9f29fbfc465f8023c04f7ef4f3f5f9c6
humanhash: october-cardinal-glucose-fourteen
File name:RFQ195246.pdf.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:1'058'322 bytes
First seen:2024-01-05 12:22:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (389 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 24576:2TbBv5rUDKoU7L/wtggAPwUqjBGa6mXcqIAXiAZfzI6Y:IBUUP/IggAIUqcLAXiAZC
Threatray 2'241 similar samples on MalwareBazaar
TLSH T16A351202BEC19C72C07619325A766B21AD7CBC601FA48EDF67904A6DDD716C0E631BA2
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon eaa1a5a5a3bec080 (2 x AsyncRAT, 1 x RedLineStealer)
Reporter lowmal3
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
320
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/469599/
Detection(s):
Win.Malware.Autoit-10012969-0
Create hunting rule

SecuriteInfo.com.Trojan.GenericKD.38920448.13962.7593.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Creating a file
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm autoit control greyware installer keylogger lolbin lolbin masquerade monero overlay packed replace setupapi sfx shdocvw shell32 wscript
Link:
https://www.filescan.io/uploads/6597f4a6b4e856b728352d4f/reports/850fd9ad-21f5-4fd2-a4c1-0cfaa8fd03ce/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/526539d41092e31a6eb4097cc93b55285d758b41e992d11c1819767306f08f30
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:
Malicious
Link:
https://analyze.intezer.com/analyses/24a8bb34-cf20-47d8-bb83-541b1fa343ba
Result
Threat name:
AsyncRAT, StormKitty, WorldWind Stealer
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1370323
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Contains functionality to modify clipboard data
Found API chain indicative of sandbox detection
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Capture Wi-Fi password
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Uses an obfuscated file name to hide its real file extension (double extension)
Uses ipconfig to lookup or modify the Windows network settings
Uses netsh to modify the Windows network and firewall settings
Uses the Telegram API (likely for C&C communication)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Yara detected WorldWind Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1370323 Sample: RFQ195246.pdf.exe Startdate: 05/01/2024 Architecture: WINDOWS Score: 100 111 api.telegram.org 2->111 113 220.240.8.0.in-addr.arpa 2->113 115 2 other IPs or domains 2->115 129 Multi AV Scanner detection for domain / URL 2->129 131 Found malware configuration 2->131 133 Malicious sample detected (through community Yara rule) 2->133 137 16 other signatures 2->137 12 RFQ195246.pdf.exe 3 41 2->12         started        15 cxojv.xl.exe 2->15         started        18 cxojv.xl.exe 2->18         started        20 cxojv.xl.exe 2->20         started        signatures3 135 Uses the Telegram API (likely for C&C communication) 111->135 process4 file5 109 C:\Users\user\AppData\Local\Temp\...\cxojv.xl, PE32 12->109 dropped 22 wscript.exe 1 12->22         started        165 Multi AV Scanner detection for dropped file 15->165 167 Found API chain indicative of sandbox detection 15->167 169 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 15->169 171 Contains functionality to modify clipboard data 15->171 25 RegSvcs.exe 15->25         started        173 Writes to foreign memory regions 18->173 175 Allocates memory in foreign processes 18->175 177 Injects a PE file into a foreign processes 18->177 28 RegSvcs.exe 18->28         started        30 RegSvcs.exe 20->30         started        signatures6 process7 file8 147 Windows Scripting host queries suspicious COM object (likely to drop second stage) 22->147 32 cmd.exe 1 22->32         started        34 cmd.exe 1 22->34         started        37 cmd.exe 1 22->37         started        103 C:\Users\user\AppData\...103WTVCDUMOB.png, ASCII 25->103 dropped 39 cmd.exe 25->39         started        41 cmd.exe 25->41         started        105 C:\Users\user\AppData\...\VLZDGUKUTZ.jpg, ASCII 28->105 dropped 107 C:\Users\user\AppData\...\ONBQCLYSPU.pdf, ASCII 28->107 dropped 149 Tries to harvest and steal browser information (history, passwords, etc) 28->149 151 Tries to harvest and steal WLAN passwords 28->151 153 Modifies existing user documents (likely ransomware behavior) 28->153 43 cmd.exe 28->43         started        45 cmd.exe 28->45         started        47 cmd.exe 30->47         started        49 cmd.exe 30->49         started        signatures9 process10 signatures11 51 2 other processes 32->51 123 Uses netsh to modify the Windows network and firewall settings 34->123 125 Uses ipconfig to lookup or modify the Windows network settings 34->125 127 Tries to harvest and steal WLAN passwords 34->127 55 2 other processes 34->55 57 2 other processes 37->57 59 4 other processes 39->59 61 3 other processes 41->61 63 4 other processes 43->63 65 3 other processes 45->65 67 4 other processes 47->67 69 3 other processes 49->69 process12 file13 95 C:\Users\user\AppData\...\cxojv.xl.exe, PE32 51->95 dropped 97 C:\Users\user\AppData\Roaming\orhv\cxojv.xl, PE32 51->97 dropped 99 C:\Users\user\AppData\Local\...\cxojv.xl.exe, PE32 51->99 dropped 139 Multi AV Scanner detection for dropped file 51->139 141 Found many strings related to Crypto-Wallets (likely being stolen) 51->141 143 Found API chain indicative of sandbox detection 51->143 145 5 other signatures 51->145 71 RegSvcs.exe 15 164 51->71         started        signatures14 process15 dnsIp16 117 127.0.0.1 unknown unknown 71->117 119 api.telegram.org 149.154.167.220, 443, 49736, 49737 TELEGRAMRU United Kingdom 71->119 121 2 other IPs or domains 71->121 101 C:\Users\user\AppData\...\LTKMYBSEYZ.pdf, ASCII 71->101 dropped 155 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 71->155 157 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 71->157 159 Tries to harvest and steal WLAN passwords 71->159 161 Modifies existing user documents (likely ransomware behavior) 71->161 76 cmd.exe 71->76         started        79 cmd.exe 71->79         started        file17 signatures18 process19 signatures20 163 Tries to harvest and steal WLAN passwords 76->163 81 conhost.exe 76->81         started        83 chcp.com 76->83         started        85 netsh.exe 76->85         started        87 findstr.exe 76->87         started        89 conhost.exe 79->89         started        91 chcp.com 79->91         started        93 netsh.exe 79->93         started        process21
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/526539d41092e31a6eb4097cc93b55285d758b41e992d11c1819767306f08f30
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/526539d41092e31a6eb4097cc93b55285d758b41e992d11c1819767306f08f30/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-01-05 12:23:05 UTC
File Type:
PE (Exe)
Extracted files:
90
AV detection:
16 of 23 (69.57%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kjsttvaqslrru3vubf6mso2vfboxlc2b5gjnchaydf3hgbxqr4ya._file
Verdict:
unknown
Similar samples:
234f7d8ed5bd6ab03e43324e3dee0406c727075e7334548d7e8bab8e18500660
AsyncRAT
592217d2590ae9ca688346688b2d7d13a78190f9562889597ebb79060136034c
AsyncRAT
8ec50ee4a15519c0be0d0f8f65f9d8d4f13a98e6b72c9e0eeabc4d984524d213
AsyncRAT
c6f6a21328d5e291f331c4283fb3d4ed13499a1de87f773734c09ba0ccbd72be
AsyncRAT
cbda14adc5ddc1c7dcaab3718dd25805b8c0b720db8678715a754754a214e05f
AsyncRAT
d5957803eb8a1c83dd84f7d08d431c9ad3a7e3c29814f8b46b805083f5b4899a
AsyncRAT
f2654977c1d40ceaf88ac1ec3ec51e5ffd603cc80a58c1a0e2b8c7c6bb5a8bf9
AsyncRAT
+ 2'231 additional samples on MalwareBazaar
Result
Malware family:
stormkitty
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:stormkitty botnet:default persistence rat stealer
Link:
https://tria.ge/reports/240105-pkfmdachc2/
Behaviour
Checks processor information in registry
Gathers network information
Modifies registry class
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
Drops desktop.ini file(s)
Looks up external IP address via web service
Looks up geolocation information via web service
Checks computer location settings
Executes dropped EXE
Async RAT payload
StormKitty payload
AsyncRat
StormKitty
Malware Config
C2 Extraction:
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
https://api.telegram.org/bot6889241853:AAHAa8eUBd5h6tWRG0OvgDx7o1_LKQJi-y8/sendMessage?chat_id=6367688286
Unpacked files
SH256 hash:
526539d41092e31a6eb4097cc93b55285d758b41e992d11c1819767306f08f30
MD5 hash:
9f29fbfc465f8023c04f7ef4f3f5f9c6
SHA1 hash:
18a1fd3b6234380634f89e718fbd8742fbc909ac
Link:
https://www.unpac.me/results/8600f238-8d3f-4261-a1f3-1d1481adabfd/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/526539d41092/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/526539d41092e31a6eb4097cc93b55285d758b41e992d11c1819767306f08f30

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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information

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

Malspam

AsyncRAT

Executable exe 526539d41092e31a6eb4097cc93b55285d758b41e992d11c1819767306f08f30

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/469599/

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