MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f72a7401885bd2c5ef7ac79407e2f5b803e475b4fdb598207a103c908e63179f. 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 4 File information Comments

SHA256 hash: f72a7401885bd2c5ef7ac79407e2f5b803e475b4fdb598207a103c908e63179f
SHA3-384 hash: a594bd004bbf75bb19035ea76ed1c70b6a71334f3255a9331d7df60152f97cf9cb26d01f87b651c861810cbebacd820a
SHA1 hash: 496b49e8b6c87903288bd67b7a5c6a98fc09b1e4
MD5 hash: 8634e8de0d174e40a3f54a9c9aea45b1
humanhash: juliet-jupiter-summer-oklahoma
File name:Payment Details.exe
Download: download sample
Signature AsyncRAT
File size:302'080 bytes
First seen:2020-10-19 07:25:25 UTC
Last seen:2020-10-19 08:24:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:T2Bg+QFVsscoczsLV9fncjOe0TLsI6OD9L7JYPogSVGPSjK:cUVsqczs7nc5C4I6OD9HJ8ZSVGPSjK
Threatray 11 similar samples on MalwareBazaar
TLSH 6A54E097A6814366DC9D4B36A9154850233B7E6FB4F0B79D5E89F4620B3F393003A62F
Reporter abuse_ch
Tags:AsyncRAT exe GoDaddy RAT


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: p3nlsmtpcp01-04.prod.phx3.secureserver.net
Sending IP: 184.168.200.145
From: Ahmed Mohammed <info@fgtellc.com>
Reply-To: admin@byhd.co.kr
Subject: Fw: TT COPY
Attachment: Payment Details.img (contains "Payment Details.exe")

ASyncRAT C2:
dongreg202020.duckdns.org:2703 (178.33.222.241)

Intelligence


File Origin
# of uploads :
2
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Launching a process
Sending a UDP request
DNS request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Changes security center settings (notifications, updates, antivirus, firewall)
Drops PE files to the user root directory
Drops PE files with benign system names
Executable has a suspicious name (potential lure to open the executable)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
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 dynamic DNS services
Writes to foreign memory regions
Yara detected AsyncRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 299982 Sample: Payment Details.exe Startdate: 19/10/2020 Architecture: WINDOWS Score: 100 52 Multi AV Scanner detection for submitted file 2->52 54 Yara detected AsyncRAT 2->54 56 Executable has a suspicious name (potential lure to open the executable) 2->56 58 6 other signatures 2->58 7 Payment Details.exe 1 3 2->7         started        11 svchost.exe 2->11         started        13 svchost.exe 2->13         started        15 8 other processes 2->15 process3 dnsIp4 40 C:\Users\user\svchost.exe, PE32 7->40 dropped 42 C:\Users\user\svchost.exe:Zone.Identifier, ASCII 7->42 dropped 64 Writes to foreign memory regions 7->64 66 Maps a DLL or memory area into another process 7->66 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->68 18 Payment Details.exe 7->18         started        21 vbc.exe 2 7->21         started        70 Multi AV Scanner detection for dropped file 11->70 72 Machine Learning detection for dropped file 11->72 24 vbc.exe 2 11->24         started        26 vbc.exe 13->26         started        28 vbc.exe 13->28         started        30 vbc.exe 13->30         started        50 127.0.0.1 unknown unknown 15->50 74 Changes security center settings (notifications, updates, antivirus, firewall) 15->74 32 MpCmdRun.exe 15->32         started        file5 signatures6 process7 dnsIp8 60 Writes to foreign memory regions 18->60 62 Maps a DLL or memory area into another process 18->62 34 vbc.exe 3 18->34         started        36 vbc.exe 18->36         started        44 dongreg202020.duckdns.org 178.33.222.241, 2703, 49718, 49734 OVHFR France 21->44 46 54.37.36.116, 49746 OVHFR France 21->46 48 2 other IPs or domains 21->48 38 conhost.exe 32->38         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-19 02:41:53 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
rat persistence family:asyncrat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Uses the VBS compiler for execution
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
chongmei33.publicvm.com,185.165.153.116,54.37.36.116,185.244.30.92,dongreg202020.duckdns.org,178.33.222.241,rahim321.duckdns.org,79.134.225.92,37.120.208.36:49746,2703,49714
Unpacked files
SH256 hash:
f72a7401885bd2c5ef7ac79407e2f5b803e475b4fdb598207a103c908e63179f
MD5 hash:
8634e8de0d174e40a3f54a9c9aea45b1
SHA1 hash:
496b49e8b6c87903288bd67b7a5c6a98fc09b1e4
SH256 hash:
2f1b05cc2b963706266b7e6aff34bad3aba40167798bf63454e7db7a6677e49c
MD5 hash:
adfe2098eb38b8340622d77fe3e24084
SHA1 hash:
538a0675c11a42915fa3dbbf3ff364d692e287da
Detections:
win_asyncrat_w0
SH256 hash:
068700c97edc3bd79e590894250f3febea04df5b82156dd811531a37d007c266
MD5 hash:
e02fabebbd57d9a6a1117eb903fcd084
SHA1 hash:
7f37bff8745cfad4d743daa47a921f233df8c9cc
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:Reverse_text_bin_mem
Author:James_inthe_box
Description:Reverse text detected
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.

Malspam

AsyncRAT

Executable exe f72a7401885bd2c5ef7ac79407e2f5b803e475b4fdb598207a103c908e63179f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments