MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 041dbdd8953122219fc1cbb8c9206ddc9bdff3bcf72cf9fb655432884a8bf8b5. 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: 041dbdd8953122219fc1cbb8c9206ddc9bdff3bcf72cf9fb655432884a8bf8b5
SHA3-384 hash: 659d192c5ab05f7e19be984b42cad168f4389b15fa2b270ea05c32b8d44a4033412f6dd5c2628b207501d2741e1c65a9
SHA1 hash: 95bba0689bef73d53151c73eb68f03f7998a5ce5
MD5 hash: f66f91df0c7491bb5a389ecb59c6f65c
humanhash: tennessee-lake-spring-april
File name:f66f91df0c7491bb5a389ecb59c6f65c.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:473'088 bytes
First seen:2022-09-14 06:40:06 UTC
Last seen:2022-09-14 07:49:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 3072:2h3Pjh11BeYZ5ktA9HqfDRyRtd9XFBL8OkgO/eS1MeB33wbmhCbRCQ6lc0y0:S/bhx9H+ZveeCKlc0y
Threatray 4'804 similar samples on MalwareBazaar
TLSH T189A4032529EB109DB3B3AFA25FC8F8FF896AE573191E70F521414B468722D80CD51B36
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 abuse_ch
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
303
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/309922/
Detection(s):
SecuriteInfo.com.Trojan.Siggen18.46284.1738.19480.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Creating a file
Creating a file in the %temp% directory
Reading critical registry keys
Creating a window
Running batch commands
Launching a process
Launching the process to change network settings
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Enabling the 'hidden' option for recently created files
Stealing user critical data
Query of malicious DNS domain
Sending an HTTP GET request to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm evasive hacktool obfuscated packed packed stealer
Link:
https://www.filescan.io/uploads/632177caba7b8113dd5e4454/reports/19571811-aa20-499d-a42e-d9f3afb3b77e/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:
Malicious
Link:
https://analyze.intezer.com/analyses/077885d7-dbef-4e09-8e28-e79ab81e9faa
Result
Threat name:
AsyncRAT, StormKitty
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1070014
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
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 netsh to modify the Windows network and firewall settings
Uses the Telegram API (likely for C&C communication)
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 702544 Sample: XBzxLJ0xCf.exe Startdate: 14/09/2022 Architecture: WINDOWS Score: 100 45 Multi AV Scanner detection for domain / URL 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 11 other signatures 2->51 7 XBzxLJ0xCf.exe 14 113 2->7         started        process3 dnsIp4 39 3.246.11.0.in-addr.arpa 7->39 41 api.telegram.org 149.154.167.220, 443, 49751, 49752 TELEGRAMRU United Kingdom 7->41 43 4 other IPs or domains 7->43 31 C:\Users\user\AppData\...\HQJBRDYKDE.pdf, ASCII 7->31 dropped 33 C:\Users\user\AppData\...\QFAPOWPAFG.jpg, ASCII 7->33 dropped 35 C:\Users\user\AppData\...\LHEPQPGEWF.jpg, ASCII 7->35 dropped 37 2 other malicious files 7->37 dropped 53 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->53 55 May check the online IP address of the machine 7->55 57 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 7->57 59 3 other signatures 7->59 12 cmd.exe 1 7->12         started        15 cmd.exe 1 7->15         started        file5 signatures6 process7 signatures8 61 Uses netsh to modify the Windows network and firewall settings 12->61 63 Tries to harvest and steal WLAN passwords 12->63 17 netsh.exe 3 12->17         started        19 conhost.exe 12->19         started        21 findstr.exe 1 12->21         started        23 chcp.com 1 12->23         started        25 netsh.exe 3 15->25         started        27 conhost.exe 15->27         started        29 chcp.com 1 15->29         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/041dbdd8953122219fc1cbb8c9206ddc9bdff3bcf72cf9fb655432884a8bf8b5/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2022-09-14 06:41:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=aqo33wevgercdh6bzo4msidn3sn5745464wpt63fkqziqsul7c2q._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
302dd23d469643215e54a187e4127b50df5bbcdef4c5924193dc6815ba5c2e34
AsyncRAT
538da46bffb52cffd821cb51ebd76072b6775773df6113ac1e98edab0ca49a2a
AsyncRAT
603b317507f3368d6d1f9a60b94e03d0afa277035fbe76d92124f1c5664b6274
AsyncRAT
6b00294a7e93953699ba6fb08a03ade46c71c6ea8d7da2d0c443d3c707fcb1c8
AsyncRAT
6b7982a4d2ea097c2d79ac9832e21ee32bf9579bda86ba0cba1d95a59951becb
AsyncRAT
c8f4dff419f7f7171eef80e075a7ff6f5277408e8fa26b807e3faf6834e7c7c4
AsyncRAT
cd1124d49f6e248b69e167e7fb5914040da63675486608cfa035082a837fe6ff
AsyncRAT
d2c47b1c94e6beadbc222771e788e9dafe194c462760b0d16cd25cbc0a572a00
AsyncRAT
+ 4'794 additional samples on MalwareBazaar
Result
Malware family:
stormkitty
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:stormkitty botnet:default rat spyware stealer
Link:
https://tria.ge/reports/220914-hfrqhsdbfq/
Behaviour
Checks processor information in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops desktop.ini file(s)
Looks up external IP address via web service
Looks up geolocation information via web service
Reads user/profile data of web browsers
Async RAT payload
AsyncRat
StormKitty
StormKitty payload
Malware Config
C2 Extraction:
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
https://api.telegram.org/bot1816982056:AAGxKLt83DWYOT7VkzcIUl9WRfTHTU77Zf4/sendMessage?chat_id=1390277554
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/745d1a3c-4974-4e73-9f66-259c4593f31d
Unpacked files
SH256 hash:
85f998e75850b3d39c69cbecb61bce0a08de28d5c48fbbff50cc89e2f429e8c6
MD5 hash:
2d342e8e4f58805f72b6b59ffcc655fb
SHA1 hash:
b5e548596bff63fbcc852d57635561bfbb3e6fd4
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/23a34175-15ac-4342-9801-57281ca929ac/
SH256 hash:
30717203b4089606494633fcc216e35d9b6d7c27e466e4a7e8c22a02bc6bac15
MD5 hash:
40f67e15dc99ab7dfe4055fa3bffdee4
SHA1 hash:
46ddfa8b47976df7369af79db3b90760433e4f36
Link:
https://www.unpac.me/results/23a34175-15ac-4342-9801-57281ca929ac/
SH256 hash:
041dbdd8953122219fc1cbb8c9206ddc9bdff3bcf72cf9fb655432884a8bf8b5
MD5 hash:
f66f91df0c7491bb5a389ecb59c6f65c
SHA1 hash:
95bba0689bef73d53151c73eb68f03f7998a5ce5
Link:
https://www.unpac.me/results/23a34175-15ac-4342-9801-57281ca929ac/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/041dbdd8953122219fc1cbb8c9206ddc9bdff3bcf72cf9fb655432884a8bf8b5

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:RansomwareTest3
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

AsyncRAT

Executable exe 041dbdd8953122219fc1cbb8c9206ddc9bdff3bcf72cf9fb655432884a8bf8b5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2302298/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/309922/

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