MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c6f6a21328d5e291f331c4283fb3d4ed13499a1de87f773734c09ba0ccbd72be. 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: c6f6a21328d5e291f331c4283fb3d4ed13499a1de87f773734c09ba0ccbd72be
SHA3-384 hash: 1fd6af80a0af73dd37bc08e6e8ab116e0f77459bd07661e0811dfee588aa36dea69652106a11317bdeb385b2633b2ed5
SHA1 hash: b1186e0501078a510ad0a4af1bbefc2f7f9dee5c
MD5 hash: f5314596dce7444d09432a391bf7f669
humanhash: avocado-nine-artist-king
File name:Hesap Ekstresi 11956117.PDF.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:1'003'789 bytes
First seen:2024-01-04 07:35:06 UTC
Last seen:2024-01-04 07:56:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (389 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 24576:3TbBv5rUEFP5eAsXpp3q1BGa6mXcqIAXiAZfzI6u:RBfP5vCAKLAXiAZs
Threatray 2'212 similar samples on MalwareBazaar
TLSH T18E250241FAC1A8BAD06618325A75AA206A3DBD301B648EDF73C4563D9E711C1E235FF3
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 74e0ccd4d4d4d8e4 (1 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe geo RAT TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
342
Origin country :
NL NL
Vendor Threat Intelligence
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
Adding an access-denied ACE
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm autoit control greyware installer keylogger lolbin masquerade monero overlay packed replace setupapi sfx shdocvw shell32 wscript
Link:
https://www.filescan.io/uploads/65965fe5a6bc59352f351bd9/reports/a2f33d55-b05a-478f-9402-2e98485de538/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/c6f6a21328d5e291f331c4283fb3d4ed13499a1de87f773734c09ba0ccbd72be
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/8443ccab-acc1-48aa-870c-7163e2d02fdc
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/1369667
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: 1369667 Sample: Hesap_Ekstresi_11956117.PDF.exe Startdate: 04/01/2024 Architecture: WINDOWS Score: 100 72 api.telegram.org 2->72 74 202.200.1.0.in-addr.arpa 2->74 76 2 other IPs or domains 2->76 84 Multi AV Scanner detection for domain / URL 2->84 86 Found malware configuration 2->86 88 Malicious sample detected (through community Yara rule) 2->88 92 15 other signatures 2->92 12 Hesap_Ekstresi_11956117.PDF.exe 3 39 2->12         started        signatures3 90 Uses the Telegram API (likely for C&C communication) 72->90 process4 file5 70 C:\Users\user\AppData\...\swbglvlssx.bmp, PE32 12->70 dropped 15 wscript.exe 1 12->15         started        process6 signatures7 118 Windows Scripting host queries suspicious COM object (likely to drop second stage) 15->118 18 cmd.exe 1 15->18         started        20 cmd.exe 1 15->20         started        23 cmd.exe 1 15->23         started        process8 signatures9 25 swbglvlssx.bmp 2 18->25         started        28 conhost.exe 18->28         started        94 Uses netsh to modify the Windows network and firewall settings 20->94 96 Uses ipconfig to lookup or modify the Windows network settings 20->96 98 Tries to harvest and steal WLAN passwords 20->98 30 conhost.exe 20->30         started        32 ipconfig.exe 1 20->32         started        34 conhost.exe 23->34         started        36 ipconfig.exe 23->36         started        process10 signatures11 108 Multi AV Scanner detection for dropped file 25->108 110 Found many strings related to Crypto-Wallets (likely being stolen) 25->110 112 Found API chain indicative of sandbox detection 25->112 114 5 other signatures 25->114 38 RegSvcs.exe 15 135 25->38         started        process12 dnsIp13 78 127.0.0.1 unknown unknown 38->78 80 api.telegram.org 149.154.167.220, 443, 49714, 49715 TELEGRAMRU United Kingdom 38->80 82 2 other IPs or domains 38->82 62 C:\Users\user\AppData\...\ZSSZYEFYMU.png, ASCII 38->62 dropped 64 C:\Users\user\AppData\...\FACWLRWHGG.xlsx, ASCII 38->64 dropped 66 C:\Users\user\AppData\...\XQACHMZIHU.xlsx, ASCII 38->66 dropped 68 2 other malicious files 38->68 dropped 100 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 38->100 102 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 38->102 104 Tries to harvest and steal browser information (history, passwords, etc) 38->104 106 2 other signatures 38->106 43 cmd.exe 38->43         started        46 cmd.exe 38->46         started        file14 signatures15 process16 signatures17 116 Tries to harvest and steal WLAN passwords 43->116 48 conhost.exe 43->48         started        50 chcp.com 43->50         started        52 netsh.exe 43->52         started        54 findstr.exe 43->54         started        56 conhost.exe 46->56         started        58 chcp.com 46->58         started        60 netsh.exe 46->60         started        process18
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c6f6a21328d5e291f331c4283fb3d4ed13499a1de87f773734c09ba0ccbd72be
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c6f6a21328d5e291f331c4283fb3d4ed13499a1de87f773734c09ba0ccbd72be/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-01-04 07:36:05 UTC
File Type:
PE (Exe)
Extracted files:
82
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=y33keezi2xrjd4zryqud7m6u5ujutgq55b7xonzuycn2btf5ok7a._file
Verdict:
unknown
Similar samples:
234f7d8ed5bd6ab03e43324e3dee0406c727075e7334548d7e8bab8e18500660
AsyncRAT
51ba2b6912305fd63c041dccff36db067314cab3f93227aaf21990801efa0b25
AsyncRAT
592217d2590ae9ca688346688b2d7d13a78190f9562889597ebb79060136034c
AsyncRAT
8a60cadc9c823b64a80dd294c54e8c428f7ad12f846c245d3f3df1ba49cf3c62
AsyncRAT
8ec50ee4a15519c0be0d0f8f65f9d8d4f13a98e6b72c9e0eeabc4d984524d213
AsyncRAT
cbda14adc5ddc1c7dcaab3718dd25805b8c0b720db8678715a754754a214e05f
AsyncRAT
d5957803eb8a1c83dd84f7d08d431c9ad3a7e3c29814f8b46b805083f5b4899a
AsyncRAT
f2654977c1d40ceaf88ac1ec3ec51e5ffd603cc80a58c1a0e2b8c7c6bb5a8bf9
AsyncRAT
+ 2'202 additional samples on MalwareBazaar
Result
Malware family:
stormkitty
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:stormkitty botnet:default rat stealer
Link:
https://tria.ge/reports/240104-je8s3sbcgm/
Behaviour
Gathers network information
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Looks up external IP address via web service
Looks up geolocation information via web service
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/bot6889241853:AAHAa8eUBd5h6tWRG0OvgDx7o1_LKQJi-y8/sendMessage?chat_id=6367688286
Unpacked files
SH256 hash:
c6f6a21328d5e291f331c4283fb3d4ed13499a1de87f773734c09ba0ccbd72be
MD5 hash:
f5314596dce7444d09432a391bf7f669
SHA1 hash:
b1186e0501078a510ad0a4af1bbefc2f7f9dee5c
Link:
https://www.unpac.me/results/fa58c433-dc77-4193-8a53-a964359ae895/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c6f6a21328d5/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/c6f6a21328d5e291f331c4283fb3d4ed13499a1de87f773734c09ba0ccbd72be

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 c6f6a21328d5e291f331c4283fb3d4ed13499a1de87f773734c09ba0ccbd72be

(this sample)

  
Delivery method
Distributed via e-mail attachment

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