MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd45e50b3ec1e76b4cc8c018131921f5237a356b1dcbc9ec69fdf9788edbea58. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: bd45e50b3ec1e76b4cc8c018131921f5237a356b1dcbc9ec69fdf9788edbea58
SHA3-384 hash: 40d13c0baa6a36a0ac3415dcfee05bb0437d9d5c6bf470b43b5066d7dcda55697c5b1b24f95b47a953a91db7b465e189
SHA1 hash: 817c9144632361468d2e9177d55c9f0598dfd234
MD5 hash: fcf99858964e59b68b0433b135b499bb
humanhash: ink-mango-white-west
File name:payload.exe
Download: download sample
Signature AsyncRAT
File size:32'256 bytes
First seen:2023-01-24 04:29:12 UTC
Last seen:2023-01-27 12:39:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:Awn0ja6MY6dPBBPkaRx98CCIzQMCzG17bDTjNGy9A:FnTldpRx98izQMCShpGy9A
Threatray 3'158 similar samples on MalwareBazaar
TLSH T197E2D00D93E156A1E2FD1B7549B303811BB1D6579202FFC9ADC8218AEDA3704AD96BF0
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter malwr0nwind0z
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
233
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
payload.exe
Verdict:
No threats detected
Analysis date:
2023-01-24 04:31:40 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Enabling the 'hidden' option for analyzed file
Сreating synchronization primitives
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Creating a file
Creating a process from a recently created file
Launching a process
Enabling the 'hidden' option for files in the %temp% directory
Creating a file in the %AppData% directory
Creating a window
DNS request
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
cmd.exe evasive packed
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.
Result
Threat name:
AsyncRAT, Quasar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Bypasses PowerShell execution policy
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Renames powershell.exe to bypass HIPS
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 790352 Sample: payload.exe Startdate: 24/01/2023 Architecture: WINDOWS Score: 100 75 Snort IDS alert for network traffic 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus / Scanner detection for submitted sample 2->79 81 7 other signatures 2->81 11 payload.exe 2 11 2->11         started        16 urugit.bat.exe 2->16         started        process3 dnsIp4 73 wormxwar.ddns.net 154.12.234.207, 49698, 49700, 49701 COGENT-174US United States 11->73 65 C:\Users\user\AppData\Local\Temp\urugit.bat, DOS 11->65 dropped 67 C:\Users\user\AppData\Local\Temp\jlqgov.bat, DOS 11->67 dropped 69 C:\Users\user\AppData\...\payload.exe.log, CSV 11->69 dropped 89 Tries to harvest and steal browser information (history, passwords, etc) 11->89 18 cmd.exe 1 11->18         started        21 cmd.exe 1 11->21         started        23 cmd.exe 1 11->23         started        27 2 other processes 11->27 25 conhost.exe 16->25         started        file5 signatures6 process7 signatures8 83 Suspicious powershell command line found 18->83 85 Bypasses PowerShell execution policy 18->85 29 powershell.exe 12 18->29         started        31 conhost.exe 18->31         started        33 powershell.exe 12 21->33         started        35 conhost.exe 21->35         started        37 conhost.exe 23->37         started        39 timeout.exe 1 23->39         started        process9 process10 41 cmd.exe 2 29->41         started        45 cmd.exe 2 33->45         started        file11 61 C:\Users\user\AppData\...\urugit.bat.exe, PE32+ 41->61 dropped 87 Renames powershell.exe to bypass HIPS 41->87 47 urugit.bat.exe 15 41->47         started        50 conhost.exe 41->50         started        63 C:\Users\user\AppData\...\jlqgov.bat.exe, PE32+ 45->63 dropped 52 jlqgov.bat.exe 19 45->52         started        55 conhost.exe 45->55         started        signatures12 process13 dnsIp14 91 Uses schtasks.exe or at.exe to add and modify task schedules 47->91 93 Hides that the sample has been downloaded from the Internet (zone.identifier) 47->93 95 Installs a global keyboard hook 47->95 57 schtasks.exe 47->57         started        71 wormxwar.ddns.net 52->71 97 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 52->97 signatures15 process16 process17 59 conhost.exe 57->59         started       
Gathering data
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Drops startup file
Executes dropped EXE
AsyncRat
Unpacked files
SH256 hash:
bd45e50b3ec1e76b4cc8c018131921f5237a356b1dcbc9ec69fdf9788edbea58
MD5 hash:
fcf99858964e59b68b0433b135b499bb
SHA1 hash:
817c9144632361468d2e9177d55c9f0598dfd234
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

AsyncRAT

Executable exe bd45e50b3ec1e76b4cc8c018131921f5237a356b1dcbc9ec69fdf9788edbea58

(this sample)

  
Delivery method
Distributed via e-mail attachment

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