MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6166b3eaebbbdd68cb0ba54bbd9d4ab4f1fae7f79afc400c319cbb960c1c5053. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments 1

SHA256 hash: 6166b3eaebbbdd68cb0ba54bbd9d4ab4f1fae7f79afc400c319cbb960c1c5053
SHA3-384 hash: 79dd252a0ed665ddbe0a4d0199129591349845c6c0fb50649ac512c33a4e5d9a9703463c59b063f65e7a0a1ffe1b16cd
SHA1 hash: f64598f17de28e54241aeab6a6ec8e63e6bcacbc
MD5 hash: 85fc8449d95c740fcf37c947f6476b41
humanhash: robin-virginia-delaware-moon
File name:85fc8449d95c740fcf37c947f6476b41
Download: download sample
Signature AsyncRAT
File size:46'080 bytes
First seen:2022-01-12 08:53:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:PujYm1TUET1/WUTQV9mo2qzjKjGKG6PIyzjbFgX3iyHKQWIf5lBDZrx:PujYm1TU0I2yKYDy3bCXSKKQWi5rdrx
TLSH T1CB231A003FE8812BF2BE5F78A8F26245467AE2633603D64D1CC451D75613FC68A52AFE
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
85fc8449d95c740fcf37c947f6476b41
Verdict:
Malicious activity
Analysis date:
2022-01-12 12:03:53 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
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
DNS request
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Gathering data
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
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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: 551703 Sample: wStylLcv3e Startdate: 12/01/2022 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 4 other signatures 2->41 7 services32.exe 2 2->7         started        11 wStylLcv3e.exe 7 2->11         started        process3 dnsIp4 33 141.94.112.3, 49734, 49741, 49749 DFNVereinzurFoerderungeinesDeutschenForschungsnetzese Germany 7->33 43 Antivirus detection for dropped file 7->43 45 Multi AV Scanner detection for dropped file 7->45 47 Machine Learning detection for dropped file 7->47 29 C:\Users\user\AppData\...\services32.exe, PE32 11->29 dropped 31 C:\Users\user\AppData\...\wStylLcv3e.exe.log, ASCII 11->31 dropped 14 cmd.exe 1 11->14         started        17 cmd.exe 1 11->17         started        file5 signatures6 process7 signatures8 49 Uses schtasks.exe or at.exe to add and modify task schedules 14->49 19 conhost.exe 14->19         started        21 schtasks.exe 1 14->21         started        23 services32.exe 3 17->23         started        25 conhost.exe 17->25         started        27 timeout.exe 1 17->27         started        process9
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2022-01-09 14:53:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
37 of 43 (86.05%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default 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
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
141.94.112.3:9925
Unpacked files
SH256 hash:
6166b3eaebbbdd68cb0ba54bbd9d4ab4f1fae7f79afc400c319cbb960c1c5053
MD5 hash:
85fc8449d95c740fcf37c947f6476b41
SHA1 hash:
f64598f17de28e54241aeab6a6ec8e63e6bcacbc
Detections:
win_asyncrat_w0
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:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:asyncrat
Author:jeFF0Falltrades
Rule name:AsyncRat
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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 6166b3eaebbbdd68cb0ba54bbd9d4ab4f1fae7f79afc400c319cbb960c1c5053

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-01-12 08:53:22 UTC

url : hxxp://data-host-coin-8.com/files/3352_1641684816_6234.exe