MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a58d9469e992503f643880102b279956e2672580e212a54ce896b1784f59526b. 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 1 YARA 4 File information Comments

SHA256 hash: a58d9469e992503f643880102b279956e2672580e212a54ce896b1784f59526b
SHA3-384 hash: 3ac88057f45100f3d9fbab4a08fa48dcddb1f9089ea0f2896082a78beb2e21e82cff7967f93bd87976c78fad3e40027f
SHA1 hash: 36244d3b4ec7e7bb661dc932f41e3b1ab70e33ff
MD5 hash: 2168b063427941b0e318b368d476f259
humanhash: september-avocado-echo-neptune
File name:P21E0027014B DATE SHEET.exe
Download: download sample
Signature AsyncRAT
File size:371'200 bytes
First seen:2021-05-25 18:30:44 UTC
Last seen:2021-05-25 19:05:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:qlaYHhImuzjXI3jtdnLAmsCt3vjYRdwh9SQpp3R1+QlIWIbfVXQhf/888tFyBtB1:ftY3jtlnsy7YRm99pVbDIzeYnghAH
Threatray 26 similar samples on MalwareBazaar
TLSH BB84DF2D68503E26D5A3C2BD8CC5F99BF590AF163821279C5F93F337563312A24B50AD
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
167.99.119.140:6606

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
167.99.119.140:6606 https://threatfox.abuse.ch/ioc/59231/

Intelligence


File Origin
# of uploads :
2
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
P21E0027014B DATE SHEET.exe
Verdict:
No threats detected
Analysis date:
2021-05-25 20:46:17 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
DNS request
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Verdict:
UNKNOWN
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Allocates memory in foreign processes
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Downloader.Seraph
Status:
Malicious
First seen:
2021-05-25 18:31:08 UTC
AV detection:
13 of 29 (44.83%)
Threat level:
  3/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.

Comments