MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9409521653887ec13272edd26f3768efb6f176b49b15a058dfcf69b9172faece. 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


Formbook


Vendor detections: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9409521653887ec13272edd26f3768efb6f176b49b15a058dfcf69b9172faece
SHA3-384 hash: 030108b1984a6d67bd1bf73aa549e73eb8f9d22e1f66ef9f66bdace442be64c4b04513150e7bb9ee2853125b94f6b351
SHA1 hash: e1101a053ebe7cf5dc44f4f4ea787be113cae10f
MD5 hash: e1a72f7e4426c8d5e849459fa7c7e476
humanhash: rugby-nuts-whiskey-neptune
File name:fart.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:41'846'272 bytes
First seen:2024-06-28 18:59:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 786432:sxGPxJDr/A/brZCaMhEDL/BpYE0dkt3ZL3PDnsilllqs7GIKScPml8tBW:oGJJDrYPZCaEWLxVfDnplllpzMW
Threatray 539 similar samples on MalwareBazaar
TLSH T19E9723E16C3F6A55B45F80B7224905EEFC71826A0A838CFFD41AC4B25910DE3786DB79
TrID 75.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.9% (.EXE) Win64 Executable (generic) (10523/12/4)
4.6% (.EXE) Win32 Executable (generic) (4504/4/1)
2.1% (.ICL) Windows Icons Library (generic) (2059/9)
2.1% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter Chainskilabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
428
Origin country :
RO RO
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=667f086e7d0a7ff58bc76226win10vpnfull_triage
Tags:
Execution Generic Infostealer Network Stealth Trojan Dropper
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file
Creating a process from a recently created file
Creating a window
Using the Windows Management Instrumentation requests
Connection attempt to an infection source
Running batch commands
Creating a process with a hidden window
Creating a file in the %temp% directory
Searching for synchronization primitives
Setting a keyboard event handler
Launching a process
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Query of malicious DNS domain
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/9409521653887ec13272edd26f3768efb6f176b49b15a058dfcf69b9172faece
Result
Verdict:
MALICIOUS
Result
Threat name:
AsyncRAT, DcRat, Quasar, XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1464443
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Connects to many ports of the same IP (likely port scanning)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates autostart registry keys with suspicious names
Drops PE files with benign system names
Drops script or batch files to the startup folder
Encrypted powershell cmdline option found
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Loading BitLocker PowerShell Module
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
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Potentially Suspicious PowerShell Child Processes
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious MSHTA Child Process
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
UAC bypass detected (Fodhelper)
Uses schtasks.exe or at.exe to add and modify task schedules
Very long command line found
Yara detected AsyncRAT
Yara detected DcRat
Yara detected Generic Downloader
Yara detected Quasar RAT
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1464443 Sample: fart.exe Startdate: 28/06/2024 Architecture: WINDOWS Score: 100 109 super-nearest.gl.at.ply.gg 2->109 111 stop-largely.gl.at.ply.gg 2->111 113 9 other IPs or domains 2->113 125 Snort IDS alert for network traffic 2->125 127 Found malware configuration 2->127 129 Malicious sample detected (through community Yara rule) 2->129 131 21 other signatures 2->131 11 fart.exe 8 2->11         started        15 hat.exe 2->15         started        17 hat.exe 2->17         started        19 2 other processes 2->19 signatures3 process4 file5 97 C:\Users\user\Desktop\svchost.exe, PE32 11->97 dropped 99 C:\Users\user\Desktop\mshta.exe, PE32 11->99 dropped 101 C:\Users\user\Desktop\index.exe, PE32+ 11->101 dropped 103 4 other malicious files 11->103 dropped 169 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->169 171 Drops PE files with benign system names 11->171 21 mshta.exe 14 3 11->21         started        24 hat.exe 15 5 11->24         started        27 index.exe 11->27         started        37 3 other processes 11->37 173 UAC bypass detected (Fodhelper) 15->173 29 cmd.exe 15->29         started        31 cmd.exe 17->31         started        33 schtasks.exe 19->33         started        35 schtasks.exe 19->35         started        signatures6 process7 dnsIp8 133 Antivirus detection for dropped file 21->133 135 Multi AV Scanner detection for dropped file 21->135 137 Machine Learning detection for dropped file 21->137 155 2 other signatures 21->155 39 powershell.exe 21->39         started        115 ip-api.com 208.95.112.1, 49731, 49732, 49733 TUT-ASUS United States 24->115 117 finally-grande.gl.at.ply.gg 147.185.221.20, 17835, 25844, 27116 SALSGIVERUS United States 24->117 119 github.com 140.82.121.3, 443, 49734 GITHUBUS United States 24->119 139 Creates autostart registry keys with suspicious names 24->139 141 Uses schtasks.exe or at.exe to add and modify task schedules 24->141 143 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->143 145 Installs a global keyboard hook 24->145 42 schtasks.exe 24->42         started        147 Very long command line found 27->147 44 cmd.exe 27->44         started        52 2 other processes 27->52 55 4 other processes 29->55 57 4 other processes 31->57 46 conhost.exe 33->46         started        48 conhost.exe 35->48         started        149 System process connects to network (likely due to code injection or exploit) 37->149 151 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 37->151 153 Adds a directory exclusion to Windows Defender 37->153 50 powershell.exe 37->50         started        signatures9 process10 file11 157 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 39->157 159 Queries memory information (via WMI often done to detect virtual machines) 39->159 161 Loading BitLocker PowerShell Module 39->161 59 conhost.exe 39->59         started        61 conhost.exe 42->61         started        163 Very long command line found 44->163 165 Drops script or batch files to the startup folder 44->165 167 Encrypted powershell cmdline option found 44->167 63 powershell.exe 44->63         started        66 conhost.exe 50->66         started        68 WmiPrvSE.exe 50->68         started        95 C:\Users\user\AppData\Roaming\...\fr.bat, Unicode 52->95 dropped 70 powershell.exe 52->70         started        77 4 other processes 52->77 72 hat.exe 55->72         started        75 hat.exe 57->75         started        signatures12 process13 dnsIp14 105 C:\Users\user\AppData\...\5xhvz4ks.cmdline, Unicode 63->105 dropped 79 csc.exe 63->79         started        82 WMIC.exe 70->82         started        121 140.82.121.4, 443, 49746, 49748 GITHUBUS United States 72->121 85 schtasks.exe 72->85         started        87 schtasks.exe 75->87         started        file15 process16 file17 107 C:\Users\user\AppData\Local\...\5xhvz4ks.dll, PE32 79->107 dropped 89 cvtres.exe 79->89         started        123 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 82->123 91 conhost.exe 85->91         started        93 conhost.exe 87->93         started        signatures18 process19
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9409521653887ec13272edd26f3768efb6f176b49b15a058dfcf69b9172faece
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2024-06-27 17:42:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sqevefstrb7mcmts5xjg6n3i563pc5vutmk2awg7z5u3sfzpv3ha._file
Verdict:
malicious
Similar samples:
4b49068a198e8dcc90d1ae5d623c2cf669c93e067573b26c880b56b14e550e3a
Formbook
9a1c9552b14c4cf74e1786c1b91f1dd1bcab6cc0ace98f8797e404e64bce05da
Formbook
cfada3d1db541795fb4e8bfdd978722db630d1727092dccbb6624ce72aa7d97b
Formbook
db991cc74187143266c8233db17eee6449754fb5f3f1ccff562ea3f3471729d8
Formbook
f954f818007b508badc400417584ae7726a71f4b697d8b1eb13184318ef1eda1
Formbook
+ 529 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:quasar family:xworm botnet:default botnet:office04 botnet:slave execution rat spyware trojan
Link:
https://tria.ge/reports/240628-xnmh4ascpm/
Behaviour
Kills process with taskkill
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Async RAT payload
AsyncRat
Detect Xworm Payload
Quasar RAT
Quasar payload
Xworm
Malware Config
C2 Extraction:
stop-largely.gl.at.ply.gg:27116
best-bird.gl.at.ply.gg:27196
super-nearest.gl.at.ply.gg:17835
wiz.bounceme.net:6000
finally-grande.gl.at.ply.gg:25844
history-foo.gl.at.ply.gg:42349
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d5373ec8-9957-41f6-b68e-c0ece776d239
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/940952165388/report/overview.html
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/9409521653887ec13272edd26f3768efb6f176b49b15a058dfcf69b9172faece

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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.

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 (HIGH_ENTROPY_VA)high

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