MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd2459ab88ff9a3215a3fa5d4a762617842bd7e4a5185b88b632caa7c52c7edd. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash: fd2459ab88ff9a3215a3fa5d4a762617842bd7e4a5185b88b632caa7c52c7edd
SHA3-384 hash: dfa84b3285e448deb4a5cc4f98e3a75803462e0f4f3e1622c3c5c95e91881dd60ced8d3db5b36ad6db60c2621bb0f01b
SHA1 hash: e4c36699cd0ad46f38c475c7d8a1374983a30917
MD5 hash: 8d656451390b195b7c1fcb95af2fc525
humanhash: white-burger-west-oklahoma
File name:URGENT QUOTATION Request.exe
Download: download sample
Signature AsyncRAT
File size:519'168 bytes
First seen:2020-09-23 04:46:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:d62RclE0A0O++rFUjB8HaC8pnsiRvVawcoRfOz:GpA0ORrFSBuN8pnsMs/olA
Threatray 313 similar samples on MalwareBazaar
TLSH 8AB4D00132B63F09E5994FB80258B4B2C3B65921B762C7987F8722BD96F23D07D2574B
Reporter cocaman
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
90
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Connects to a pastebin service (likely for C&C)
Initial sample is a PE file and has a suspicious name
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
Sigma detected: Scheduled temp file as task from temp location
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
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-09-23 03:03:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
rat family:asyncrat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Async RAT payload
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:asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
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 fd2459ab88ff9a3215a3fa5d4a762617842bd7e4a5185b88b632caa7c52c7edd

(this sample)

Comments