MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c2e6a6a4dcceeb65c2b769b92223c4b5c6de325709146391a4863dd56f4eb3d1. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments

SHA256 hash: c2e6a6a4dcceeb65c2b769b92223c4b5c6de325709146391a4863dd56f4eb3d1
SHA3-384 hash: 9803a33c2dc751c76387847f136de36226ed2dbc61232e9e04a84342654f787276dceae7c9d6f4af699fe3701452b018
SHA1 hash: eca95082e24b2d15c1cc9f18d8083b9527b23eae
MD5 hash: 685be020460aac060f121dd2d689cc2e
humanhash: robert-stream-montana-michigan
File name:KR-310820.EXE
Download: download sample
Signature AsyncRAT
File size:918'016 bytes
First seen:2020-08-31 13:29:40 UTC
Last seen:2020-08-31 15:01:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:mlARBRRcadpvbdHU89bVLCSh0o+ARnterXZEW2acuWr94omLWG/jKEpX2lQK0xtF:QAHnca7v508bJCO0o+wn68acWF
Threatray 295 similar samples on MalwareBazaar
TLSH 1E15D117662C9ABEDE35B73E10400CC8A1B01D99C69AF146CF77387DD83C05A9D1F9AA
Reporter cocaman
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Connects to a pastebin service (likely for C&C)
Injects a PE file into a foreign processes
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
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
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-31 10:07:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
rat family:asyncrat evasion
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Async RAT payload
Looks for VirtualBox Guest Additions in registry
AsyncRat
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:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT

File information


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

Malspam

AsyncRAT

Executable exe c2e6a6a4dcceeb65c2b769b92223c4b5c6de325709146391a4863dd56f4eb3d1

(this sample)

Comments