MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 548b9ca933b2acc83144abcb354fadfadc4e15861c7623352be55faea64851a4. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments 1

SHA256 hash: 548b9ca933b2acc83144abcb354fadfadc4e15861c7623352be55faea64851a4
SHA3-384 hash: 4a4494fdaf102effff76d42bceda6499a8ade0be82313fb9273987ecdf3864b6fe454bfd48bac74711ad434e478bc3e7
SHA1 hash: 7d8bbed38fe46550d73a8eec2485b80865225d97
MD5 hash: 0698cd7621ed4238422411dd3024e498
humanhash: avocado-east-louisiana-ceiling
File name:0698cd7621ed4238422411dd3024e498
Download: download sample
Signature AsyncRAT
File size:483'328 bytes
First seen:2021-08-29 15:43:41 UTC
Last seen:2021-08-29 16:59:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:TyD2WaiTJ64F8PPQ71tjfB1i2XGQLWJ62U:TyiWaiTJdvtjfBT7yk2U
Threatray 60 similar samples on MalwareBazaar
TLSH T199A405949EDFDECEC2AF363FA41A4D8654DEC306065792E48F464E31B7842239D261E3
dhash icon 0cd2c1c4d0c1f20c (18 x AsyncRAT, 9 x QuasarRAT, 8 x RedLineStealer)
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0698cd7621ed4238422411dd3024e498
Verdict:
Suspicious activity
Analysis date:
2021-08-29 15:44:28 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
Creating a window
DNS request
Connection attempt
Sending an HTTP GET request
Sending a UDP request
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Bypasses PowerShell execution policy
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Script Execution From Temp Folder
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Suspicious powershell command line found
Writes to foreign memory regions
Yara detected AsyncRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 473518 Sample: 2RuChhIPOJ Startdate: 29/08/2021 Architecture: WINDOWS Score: 100 66 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 Yara detected AsyncRAT 2->70 72 4 other signatures 2->72 9 2RuChhIPOJ.exe 16 7 2->9         started        14 nvsphelper1.exe 14 5 2->14         started        16 nvsphelper1.exe 2 2->16         started        process3 dnsIp4 60 google.com 142.250.185.142, 49703, 49713, 49724 GOOGLEUS United States 9->60 62 www.google.com 142.250.186.132, 49704, 49714, 49725 GOOGLEUS United States 9->62 42 C:\Users\user\AppData\...\nvsphelper1.exe, PE32 9->42 dropped 44 C:\Users\user\AppData\...\2RuChhIPOJ.exe, PE32 9->44 dropped 46 C:\Users\...\nvsphelper1.exe:Zone.Identifier, ASCII 9->46 dropped 52 2 other malicious files 9->52 dropped 80 Writes to foreign memory regions 9->80 82 Injects a PE file into a foreign processes 9->82 18 2RuChhIPOJ.exe 1 4 9->18         started        64 192.168.2.1 unknown unknown 14->64 48 C:\Users\user\AppData\...\nvsphelper1.exe, PE32 14->48 dropped 50 C:\Users\...\nvsphelper1.exe:Zone.Identifier, ASCII 14->50 dropped 23 nvsphelper1.exe 14->23         started        25 nvsphelper1.exe 16->25         started        27 nvsphelper1.exe 16->27         started        file5 signatures6 process7 dnsIp8 54 37.0.8.220, 161, 49711, 49718 WKD-ASIE Netherlands 18->54 40 C:\Users\user\AppData\Local\Temp\njnttq.exe, PE32+ 18->40 dropped 74 Multi AV Scanner detection for dropped file 18->74 76 Machine Learning detection for dropped file 18->76 29 cmd.exe 1 18->29         started        file9 signatures10 process11 signatures12 84 Suspicious powershell command line found 29->84 86 Bypasses PowerShell execution policy 29->86 32 powershell.exe 29->32         started        34 conhost.exe 29->34         started        process13 process14 36 njnttq.exe 32->36         started        dnsIp15 56 www.google.com 36->56 58 google.com 36->58 78 Machine Learning detection for dropped file 36->78 signatures16
Threat name:
ByteCode-MSIL.Downloader.Seraph
Status:
Malicious
First seen:
2021-08-29 15:44:05 UTC
AV detection:
10 of 27 (37.04%)
Threat level:
  3/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Unpacked files
SH256 hash:
86296a3e3c873cf18cfbab2be4804c1cabeed5c2e91dbc3169237c0716aee3e0
MD5 hash:
74a773d461ee7cc613bb7e67fbaa9a08
SHA1 hash:
c1cb9880b00ea58c127d2ab4bc1998b278fb9caa
SH256 hash:
6b6381e6c2f217a52735fed699c16efd2a4245701f637bbdfae2102816093b94
MD5 hash:
0d6f2b1a59d098cdef97efc666d555ad
SHA1 hash:
22a8d1e08229e8e1d13b92a76880a34a4d3edba1
SH256 hash:
77a64f783c0c5ce96f0342acad0654350d02e71f414b6340a137ecc96a3f579d
MD5 hash:
a15aa596fb61a6a31de42d5e879d788a
SHA1 hash:
078ac05f90a65ee08e2b1884dda271ce3a94d292
SH256 hash:
548b9ca933b2acc83144abcb354fadfadc4e15861c7623352be55faea64851a4
MD5 hash:
0698cd7621ed4238422411dd3024e498
SHA1 hash:
7d8bbed38fe46550d73a8eec2485b80865225d97
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
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.

Web download

AsyncRAT

Executable exe 548b9ca933b2acc83144abcb354fadfadc4e15861c7623352be55faea64851a4

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-08-29 15:43:42 UTC

url : hxxp://oneup.cc/download/nvcontainer1.exe