MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76ef13eeddb4b7717d5ec1d737b62c07dce1338cfb32fdf6c363d1fa189173ad. 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: 11


Intelligence 11 IOCs 1 YARA 3 File information Comments

SHA256 hash: 76ef13eeddb4b7717d5ec1d737b62c07dce1338cfb32fdf6c363d1fa189173ad
SHA3-384 hash: 5e015b727560edd49306615745416641e29f664b07058d97b680acfd1414c34680985849546e3fb46918de09abd76028
SHA1 hash: 36c00a805b6f81be04c9d6fe5395f09b3570ed7c
MD5 hash: a498a2b98176ef9ffcd3a2abb103bbd3
humanhash: snake-november-equal-tennis
File name:a498a2b98176ef9ffcd3a2abb103bbd3.exe
Download: download sample
Signature AsyncRAT
File size:2'057'728 bytes
First seen:2021-09-16 06:45:33 UTC
Last seen:2021-09-16 07:40:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 49152:PSVe/vnZB2euvUkwUbqtrskfkGucjoR/w1ywQIlElMiTE+G8baGq:PSMpB2eeDlbWYUj0sQRlML
Threatray 7 similar samples on MalwareBazaar
TLSH T1D4950100650EEE1CE52AF676BC9E5774832DAC99743ADE3E1F9076842631FCE6C0911B
dhash icon 71f0b0e8ecc4d071 (1 x njrat, 1 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
91.109.190.5:6606

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
91.109.190.5:6606 https://threatfox.abuse.ch/ioc/222486/

Intelligence


File Origin
# of uploads :
2
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a498a2b98176ef9ffcd3a2abb103bbd3.exe
Verdict:
Malicious activity
Analysis date:
2021-09-16 06:46:50 UTC
Tags:
trojan rat asyncrat

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

Behaviour
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Self-deleting of the BAT file
Creating a process from a recently created file
Connection attempt to an infection source
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
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: Execution from Suspicious Folder
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 484295 Sample: AfGbKa096Z.exe Startdate: 16/09/2021 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Found malware configuration 2->60 62 Antivirus / Scanner detection for submitted sample 2->62 64 6 other signatures 2->64 9 microseft.exe 8 2->9         started        13 AfGbKa096Z.exe 7 2->13         started        process3 file4 50 C:\Windows\SysWOW64\config\...\microseft.exe, PE32 9->50 dropped 72 Antivirus detection for dropped file 9->72 74 Multi AV Scanner detection for dropped file 9->74 76 Machine Learning detection for dropped file 9->76 15 cmd.exe 1 9->15         started        18 cmd.exe 1 9->18         started        52 C:\Users\user\AppData\Roaming\microseft.exe, PE32 13->52 dropped 54 C:\Users\user\AppData\...\AfGbKa096Z.exe.log, ASCII 13->54 dropped 20 cmd.exe 1 13->20         started        22 cmd.exe 1 13->22         started        signatures5 process6 signatures7 78 Drops executables to the windows directory (C:\Windows) and starts them 15->78 24 microseft.exe 4 15->24         started        42 2 other processes 15->42 28 conhost.exe 18->28         started        30 schtasks.exe 1 18->30         started        80 Uses schtasks.exe or at.exe to add and modify task schedules 20->80 32 conhost.exe 20->32         started        34 schtasks.exe 1 20->34         started        36 microseft.exe 2 22->36         started        38 conhost.exe 22->38         started        40 timeout.exe 1 22->40         started        process8 dnsIp9 66 Antivirus detection for dropped file 24->66 68 Multi AV Scanner detection for dropped file 24->68 70 Machine Learning detection for dropped file 24->70 44 cmd.exe 24->44         started        56 milla.publicvm.com 91.109.190.5, 49706, 49708, 7707 IELOIELOMainNetworkFR France 36->56 signatures10 process11 process12 46 conhost.exe 44->46         started        48 schtasks.exe 44->48         started       
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-09-14 01:49:00 UTC
AV detection:
11 of 25 (44.00%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default rat suricata
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
milla.publicvm.com:6606
milla.publicvm.com:7707
milla.publicvm.com:8808
Unpacked files
SH256 hash:
5a669e83ae8909947759b10953de3c52237970953bbcb21a45ff4f1d950abe81
MD5 hash:
d6c06f7aa107b1eb4459f143b0771ff6
SHA1 hash:
68b8116660b069f46cdd67484ee247661bdb9a5f
Detections:
win_asyncrat_w0
SH256 hash:
76ef13eeddb4b7717d5ec1d737b62c07dce1338cfb32fdf6c363d1fa189173ad
MD5 hash:
a498a2b98176ef9ffcd3a2abb103bbd3
SHA1 hash:
36c00a805b6f81be04c9d6fe5395f09b3570ed7c
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: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.

Comments