MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d775bef532e71e692eb0e66292da60db38864a4f3dba5d2382ace1992ddd55f3. 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 5 File information Comments 1

SHA256 hash: d775bef532e71e692eb0e66292da60db38864a4f3dba5d2382ace1992ddd55f3
SHA3-384 hash: eac46854d760ff6b9eeaa5f5dbc0195a0cfadc98f72a838ca641b6feec364221c991eda40ebcb8d4de852df9219bf362
SHA1 hash: 9a3186aaa9fa202c1666d5b751db53b13b961002
MD5 hash: 22021cdbf9936f8a469ecb5e11636799
humanhash: football-utah-fanta-ack
File name:22021cdbf9936f8a469ecb5e11636799
Download: download sample
Signature AsyncRAT
File size:64'512 bytes
First seen:2022-01-30 13:15:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 1536:TJmVTHUv8HtonZ1tmi8ALbbrwKreUdGZZVclN:TJmVTHUv8HyZ1tRJLbbrjreZzY
Threatray 1'935 similar samples on MalwareBazaar
TLSH T18D536C0027C8CD25E1AD4AF8ADF2950146B5D6772105DB4E7CC814CBAB9FFC64A232EE
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
22021cdbf9936f8a469ecb5e11636799
Verdict:
Malicious activity
Analysis date:
2022-01-30 13:19:26 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
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
Creating a process from a recently created file
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm asyncrat cmd.exe coinminer configsecuritypolicy.exe dcrat evasive hacktool mpcmdrun.exe msconfig.exe njrat obfuscated packed rat regedit.exe replace.exe samas schtasks.exe
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (overwrites its own PE header)
Found malware configuration
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 (e.g. based on Emerging Threat rules)
Uses dynamic DNS services
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: 562844 Sample: SrKrgUnVJn Startdate: 30/01/2022 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 9 other signatures 2->48 7 SrKrgUnVJn.exe 7 2->7         started        process3 file4 28 C:\Users\user\AppData\...\Churkaebanaya.exe, PE32 7->28 dropped 30 C:\Users\user\AppData\...\SrKrgUnVJn.exe.log, ASCII 7->30 dropped 50 Detected unpacking (overwrites its own PE header) 7->50 11 cmd.exe 1 7->11         started        13 cmd.exe 1 7->13         started        signatures5 process6 signatures7 16 Churkaebanaya.exe 1 2 11->16         started        20 conhost.exe 11->20         started        22 timeout.exe 1 11->22         started        52 Uses schtasks.exe or at.exe to add and modify task schedules 13->52 24 conhost.exe 13->24         started        26 schtasks.exe 1 13->26         started        process8 dnsIp9 32 bigrussianfloppa.duckdns.org 212.192.246.239, 1001, 49780 RHC-HOSTINGGB Russian Federation 16->32 34 Antivirus detection for dropped file 16->34 36 Multi AV Scanner detection for dropped file 16->36 38 Detected unpacking (overwrites its own PE header) 16->38 40 Machine Learning detection for dropped file 16->40 signatures10
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2022-01-29 22:42:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 28 (89.29%)
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
Executes dropped EXE
Async RAT payload
AsyncRat
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT)
Malware Config
C2 Extraction:
bigrussianfloppa.duckdns.org:1001
Unpacked files
SH256 hash:
d775bef532e71e692eb0e66292da60db38864a4f3dba5d2382ace1992ddd55f3
MD5 hash:
22021cdbf9936f8a469ecb5e11636799
SHA1 hash:
9a3186aaa9fa202c1666d5b751db53b13b961002
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:jeFF0Falltrades
Rule name:INDICATOR_SUSPICIOUS_EXE_DcRatBy
Author:ditekSHen
Description:Detects executables containing the string DcRatBy
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
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 d775bef532e71e692eb0e66292da60db38864a4f3dba5d2382ace1992ddd55f3

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-01-30 13:15:04 UTC

url : hxxp://212.192.246.239/opce.exe