MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c0273620d37a6ee12ce96c34b6f5428d712860c17541812d99b8ee23e9db95b9. 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: 13


Intelligence 13 IOCs YARA 13 File information Comments

SHA256 hash: c0273620d37a6ee12ce96c34b6f5428d712860c17541812d99b8ee23e9db95b9
SHA3-384 hash: ce4a2b1249918f57237dbca98392fb798873dbbde9f0cc1f33bdec815578187c25a16144d96e58e7dbf45bd1a9b3757c
SHA1 hash: 29ea28cb4255cde4c3e48daf291e76e5cfe7194c
MD5 hash: 34577f0fd1d3f1d5f53eecd0aca166c3
humanhash: sweet-bakerloo-hydrogen-west
File name:34577f0fd1d3f1d5f53eecd0aca166c3.exe
Download: download sample
Signature AsyncRAT
File size:38'400 bytes
First seen:2023-08-30 07:08:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'448 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 768:VboCDsyNRn59FDXZFBVqt9OZPlyNRn59FDXZFBVqt9OZPWyNRn59FDXZFBVqt9OU:Vbo90/LDpDVqtoZPl0/LDpDVqtoZPW0K
Threatray 321 similar samples on MalwareBazaar
TLSH T1B3033B5577CB9198C43742BBFBB57F0BD020CE81DEFA918C508896431EBCBD69A60B60
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
316
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
34577f0fd1d3f1d5f53eecd0aca166c3.exe
Verdict:
Malicious activity
Analysis date:
2023-08-30 07:10:32 UTC
Tags:
rat asyncrat remote

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

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Sending a custom TCP request
Creating a window
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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, DcRat
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Contains functionality to log keystrokes (.Net Source)
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious values (likely registry only malware)
Encrypted powershell cmdline option found
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Snort IDS alert for network traffic
Suspicious powershell command line found
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected DcRat
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1300224 Sample: OeO9eoHDyd.exe Startdate: 30/08/2023 Architecture: WINDOWS Score: 100 55 Snort IDS alert for network traffic 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 7 other signatures 2->61 8 OeO9eoHDyd.exe 2 2->8         started        11 mshta.exe 1 2->11         started        13 mshta.exe 2->13         started        process3 signatures4 69 Encrypted powershell cmdline option found 8->69 15 powershell.exe 15 17 8->15         started        71 Suspicious powershell command line found 11->71 19 mshta.exe 22 11->19         started        21 mshta.exe 13->21         started        process5 dnsIp6 43 80.66.79.27, 4404, 49729, 49730 RISS-ASRU Russian Federation 15->43 45 Creates autostart registry keys with suspicious values (likely registry only malware) 15->45 47 Creates an autostart registry key pointing to binary in C:\Windows 15->47 49 Writes to foreign memory regions 15->49 51 Injects a PE file into a foreign processes 15->51 23 RegSvcs.exe 1 4 15->23         started        26 conhost.exe 15->26         started        53 Suspicious powershell command line found 19->53 28 powershell.exe 25 19->28         started        31 powershell.exe 21->31         started        signatures7 process8 dnsIp9 63 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 23->63 41 192.168.2.1 unknown unknown 28->41 65 Writes to foreign memory regions 28->65 67 Injects a PE file into a foreign processes 28->67 33 conhost.exe 28->33         started        35 RegSvcs.exe 28->35         started        37 conhost.exe 31->37         started        39 RegSvcs.exe 31->39         started        signatures10 process11
Threat name:
Win32.Trojan.Amadey
Status:
Malicious
First seen:
2023-08-30 01:08:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
12 of 23 (52.17%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Blocklisted process makes network request
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
80.66.79.27:4404
Dropper Extraction:
http://80.66.79.27/o.png
Unpacked files
SH256 hash:
c0273620d37a6ee12ce96c34b6f5428d712860c17541812d99b8ee23e9db95b9
MD5 hash:
34577f0fd1d3f1d5f53eecd0aca166c3
SHA1 hash:
29ea28cb4255cde4c3e48daf291e76e5cfe7194c
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:AcRat
Author:Nikos 'n0t' Totosis
Description:AcRat Payload (based on AsyncRat)
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
Rule name:MAL_AsnycRAT
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:QbotStuff
Author:anonymous
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs

File information


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

Comments