MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b81cdf0c7b3ffe1fc09dcc87cb07dbd5ea662517d783f6481886720e368610e. 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: 10


Intelligence 10 IOCs 1 YARA 3 File information Comments

SHA256 hash: 0b81cdf0c7b3ffe1fc09dcc87cb07dbd5ea662517d783f6481886720e368610e
SHA3-384 hash: 61cbb161403bd49478c2ab42c5e34b9d947975fbab3832751dea3a560a52380c32e4028b2c4595e5d5792bd23917df0e
SHA1 hash: ed7b2d51cd27715d50609ef7c51841a2fa3d50f0
MD5 hash: 94ed49d3c575df88d5ba060f54d7052c
humanhash: texas-victor-muppet-oxygen
File name:0B81CDF0C7B3FFE1FC09DCC87CB07DBD5EA662517D783.exe
Download: download sample
Signature AsyncRAT
File size:3'667'968 bytes
First seen:2021-09-01 15:46:16 UTC
Last seen:2021-09-01 17:25:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 98304:SqKgp7Q0TgIoB/oB/oB/oB/oB/oB/oB/oBWfSK:PoB/oB/oB/oB/oB/oB/oB/oBWf
Threatray 194 similar samples on MalwareBazaar
TLSH T1B506125BB691EB41E8683735C7EBB13003FE67413573C2A9AF89336D4A963E3C50A458
dhash icon d0a2d8f0e8f8eed8 (1 x AsyncRAT, 1 x LaplasClipper)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
91.109.184.8:7707

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
91.109.184.8:7707 https://threatfox.abuse.ch/ioc/204514/

Intelligence


File Origin
# of uploads :
2
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0B81CDF0C7B3FFE1FC09DCC87CB07DBD5EA662517D783.exe
Verdict:
Malicious activity
Analysis date:
2021-09-01 16:02:18 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
Creating a window
Creating a file in the %AppData% directory
Running batch commands
Creating a process with a hidden window
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Sending a UDP request
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Malware family:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
.NET source code references suspicious native API functions
Drops executables to the windows directory (C:\Windows) and starts them
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
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 475908 Sample: 0B81CDF0C7B3FFE1FC09DCC87CB... Startdate: 01/09/2021 Architecture: WINDOWS Score: 100 67 milla.publicvm.com 2->67 77 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->77 79 Multi AV Scanner detection for dropped file 2->79 81 Multi AV Scanner detection for submitted file 2->81 83 9 other signatures 2->83 10 0B81CDF0C7B3FFE1FC09DCC87CB07DBD5EA662517D783.exe 7 2->10         started        13 mincraftt.exe 8 2->13         started        signatures3 process4 file5 59 C:\Users\user\AppData\Roaming\mincraftt.exe, PE32 10->59 dropped 61 0B81CDF0C7B3FFE1FC...A662517D783.exe.log, ASCII 10->61 dropped 16 cmd.exe 1 10->16         started        18 cmd.exe 1 10->18         started        63 C:\Windows\SysWOW64\config\...\mincraftt.exe, PE32 13->63 dropped 91 Multi AV Scanner detection for dropped file 13->91 93 Machine Learning detection for dropped file 13->93 21 cmd.exe 13->21         started        23 cmd.exe 13->23         started        signatures6 process7 signatures8 25 mincraftt.exe 3 5 16->25         started        30 conhost.exe 16->30         started        32 timeout.exe 1 16->32         started        71 Suspicious powershell command line found 18->71 73 Uses schtasks.exe or at.exe to add and modify task schedules 18->73 34 conhost.exe 18->34         started        36 schtasks.exe 1 18->36         started        75 Drops executables to the windows directory (C:\Windows) and starts them 21->75 38 mincraftt.exe 21->38         started        44 2 other processes 21->44 40 conhost.exe 23->40         started        42 schtasks.exe 23->42         started        process9 dnsIp10 69 milla.publicvm.com 91.109.184.8, 49704, 49707, 49711 IELOIELOMainNetworkFR France 25->69 65 C:\Users\user\AppData\...\tmp8162.tmpg r.exe, PE32 25->65 dropped 85 Tries to harvest and steal browser information (history, passwords, etc) 25->85 46 cmd.exe 25->46         started        87 Multi AV Scanner detection for dropped file 38->87 89 Machine Learning detection for dropped file 38->89 49 cmd.exe 38->49         started        file11 signatures12 process13 signatures14 95 Suspicious powershell command line found 46->95 51 conhost.exe 46->51         started        53 powershell.exe 46->53         started        55 conhost.exe 49->55         started        57 schtasks.exe 49->57         started        process15
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-06-14 18:56:51 UTC
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
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
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
milla.publicvm.com:6606
milla.publicvm.com:7707
milla.publicvm.com:8808
Unpacked files
SH256 hash:
3cfefa701506ca39de35c3a37c05a4582351aa218c049281c61b8fc9d7ae3161
MD5 hash:
93df723f4a312f64a816d557374de86d
SHA1 hash:
4a7a7f5b1010d955762d2596d49509369effdb48
Detections:
win_asyncrat_w0
SH256 hash:
0b81cdf0c7b3ffe1fc09dcc87cb07dbd5ea662517d783f6481886720e368610e
MD5 hash:
94ed49d3c575df88d5ba060f54d7052c
SHA1 hash:
ed7b2d51cd27715d50609ef7c51841a2fa3d50f0
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