MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 775d65422f55e1dab6d5fcafa72f326dfe50615da31b1b5f5e41067fb13cb7f0. 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: 14


Intelligence 14 IOCs YARA 15 File information Comments

SHA256 hash: 775d65422f55e1dab6d5fcafa72f326dfe50615da31b1b5f5e41067fb13cb7f0
SHA3-384 hash: 16f222bb341be9c64b836efc4398023d2155b52b43e63545d3e27db009fb48ab045d0377af1b973d6333a37c7b74bca7
SHA1 hash: ac8b1c78eed7a4346295a4cc5970f790b5ce0547
MD5 hash: e6ecbd1d1be89544050d4ed5f1c276bf
humanhash: four-uniform-jupiter-paris
File name:e6ecbd1d1be89544050d4ed5f1c276bf.exe
Download: download sample
Signature AsyncRAT
File size:4'009'472 bytes
First seen:2023-03-16 06:20:31 UTC
Last seen:2023-03-16 08:27:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 49152:mOLDnaF8X8jiks1hX0QcyXxWlK+hkUAxHXr8/:mO3naNu
Threatray 3'020 similar samples on MalwareBazaar
TLSH T1EC064B737293DDE1E27A5BB7C09514000E60D8C3636BC769BDCE236A5A827749E5A333
TrID 55.8% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.SCR) Windows screen saver (13097/50/3)
8.0% (.EXE) Win64 Executable (generic) (10523/12/4)
7.6% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
5.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon 71f0cc8e9e8cf071 (3 x AsyncRAT, 2 x AgentTesla, 1 x njrat)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
103.47.144.71:49746

Intelligence


File Origin
# of uploads :
2
# of downloads :
277
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
e6ecbd1d1be89544050d4ed5f1c276bf.exe
Verdict:
Malicious activity
Analysis date:
2023-03-16 06:23:34 UTC
Tags:
asyncrat

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

Behaviour
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Creating a file
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Drops PE files with benign system names
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 827616 Sample: cxI8z2rY3C.exe Startdate: 16/03/2023 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic 2->53 55 Multi AV Scanner detection for domain / URL 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 8 other signatures 2->59 7 cxI8z2rY3C.exe 1 6 2->7         started        11 svchost.exe 3 2->11         started        13 svchost.exe 2->13         started        15 7 other processes 2->15 process3 file4 41 C:\Users\user\AppData\Roaming\svchost.exe, PE32 7->41 dropped 43 C:\Users\user\...\svchost.exe:Zone.Identifier, ASCII 7->43 dropped 45 C:\Users\user\AppData\...\cxI8z2rY3C.exe.log, ASCII 7->45 dropped 61 Drops PE files with benign system names 7->61 63 Injects a PE file into a foreign processes 7->63 17 cmd.exe 1 7->17         started        20 cxI8z2rY3C.exe 2 7->20         started        23 cmd.exe 1 7->23         started        65 Multi AV Scanner detection for dropped file 11->65 67 Machine Learning detection for dropped file 11->67 25 svchost.exe 2 11->25         started        69 Changes security center settings (notifications, updates, antivirus, firewall) 13->69 27 MpCmdRun.exe 13->27         started        29 svchost.exe 15->29         started        signatures5 process6 dnsIp7 51 Uses ipconfig to lookup or modify the Windows network settings 17->51 31 conhost.exe 17->31         started        33 ipconfig.exe 1 17->33         started        47 chonglee575.duckdns.org 141.101.134.51, 6974 NETZBETRIEB-GMBHDE Netherlands 20->47 49 chongmei33.publicvm.com 103.47.144.71, 49685, 49746 M247GB Pakistan 20->49 35 conhost.exe 23->35         started        37 ipconfig.exe 1 23->37         started        39 conhost.exe 27->39         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2023-03-16 06:21:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
15 of 39 (38.46%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:latest persistence rat
Behaviour
Gathers network information
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
Checks computer location settings
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
chongmei33.publicvm.com:2703
chongmei33.publicvm.com:49746
chongmei33.publicvm.com:6974
chonglee575.duckdns.org:2703
chonglee575.duckdns.org:49746
chonglee575.duckdns.org:6974
Unpacked files
SH256 hash:
775d65422f55e1dab6d5fcafa72f326dfe50615da31b1b5f5e41067fb13cb7f0
MD5 hash:
e6ecbd1d1be89544050d4ed5f1c276bf
SHA1 hash:
ac8b1c78eed7a4346295a4cc5970f790b5ce0547
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:AsyncRat
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
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:meth_get_eip
Author:Willi Ballenthin
Rule name:msil_suspicious_use_of_strreverse
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:pe_imphash
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
Rule name:SUSP_Reverse_Run_Key
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:Windows_Trojan_Asyncrat_11a11ba1
Author:Elastic Security
Rule name:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research

File information


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

Web download

AsyncRAT

Executable exe 775d65422f55e1dab6d5fcafa72f326dfe50615da31b1b5f5e41067fb13cb7f0

(this sample)

  
Delivery method
Distributed via web download

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