MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 70795c4cfc9af8305dc404936a20f81ef186501dfbfa09e3c5102835c1e7a246. 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: 70795c4cfc9af8305dc404936a20f81ef186501dfbfa09e3c5102835c1e7a246
SHA3-384 hash: 9f74ecd17773f1908e2532e0a4c56868a28663e62673ad876738d90d30b3a35e97aa231ffc7c1828943026d6c1ea3ffb
SHA1 hash: de168d43f6f58c1c9511833f21d1a559e3270a0a
MD5 hash: a4c90f52f56e498bbfa1db473bcc04fd
humanhash: quiet-ohio-speaker-artist
File name:ORDER #201006.exe
Download: download sample
Signature AsyncRAT
File size:352'768 bytes
First seen:2020-11-18 12:18:57 UTC
Last seen:Never
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:BYgbXApHfiOkxZ4tNqdQmmQdkCW0C4nh4MgKDY6mEvPTq:CAsfiDxitNBBqknZ4n2MrVTq
Threatray 463 similar samples on MalwareBazaar
TLSH 8F74F1066354D64AD66D22366C23C6B6127EFEC65216D790AFC8AE4F3FBA705102037E
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: s2.htwservers.com
Sending IP: 104.243.42.199
From: Ahmed Zahid <info@rafc.com.kw>
Reply-To: info@cocoona.ae
Subject: PO #2011018
Attachment: ORDER 201006.img (contains "ORDER #201006.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a file
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Unauthorized injection to a system process
Result
Gathering data
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
Writes to foreign memory regions
Yara detected AsyncRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 319600 Sample: ORDER #201006.exe Startdate: 18/11/2020 Architecture: WINDOWS Score: 80 28 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->28 30 Yara detected AsyncRAT 2->30 32 Machine Learning detection for sample 2->32 34 3 other signatures 2->34 6 ORDER #201006.exe 2->6         started        9 ORDER #201006.exe 2->9         started        11 ORDER #201006.exe 1 2->11         started        process3 signatures4 36 Writes to foreign memory regions 6->36 38 Maps a DLL or memory area into another process 6->38 13 vbc.exe 2 6->13         started        16 vbc.exe 3 9->16         started        18 vbc.exe 11->18         started        20 vbc.exe 11->20         started        22 vbc.exe 11->22         started        process5 dnsIp6 24 79.134.225.92, 49703, 49721, 49722 FINK-TELECOM-SERVICESCH Switzerland 13->24 26 chongmei33.publicvm.com 37.120.208.37, 49723, 49746 M247GB Romania 13->26
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2020-11-18 12:19:08 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat persistence rat
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:49746
chongmei33.publicvm.com:2703
chongmei33.publicvm.com:49714
chongmei33.publicvm.com:49703
185.165.153.116:49746
185.165.153.116:2703
185.165.153.116:49714
185.165.153.116:49703
54.37.36.116:49746
54.37.36.116:2703
54.37.36.116:49714
54.37.36.116:49703
185.244.30.92:49746
185.244.30.92:2703
185.244.30.92:49714
185.244.30.92:49703
dongreg202020.duckdns.org:49746
dongreg202020.duckdns.org:2703
dongreg202020.duckdns.org:49714
dongreg202020.duckdns.org:49703
178.33.222.241:49746
178.33.222.241:2703
178.33.222.241:49714
178.33.222.241:49703
rahim321.duckdns.org:49746
rahim321.duckdns.org:2703
rahim321.duckdns.org:49714
rahim321.duckdns.org:49703
79.134.225.92:49746
79.134.225.92:2703
79.134.225.92:49714
79.134.225.92:49703
37.120.208.36:49746
37.120.208.36:2703
37.120.208.36:49714
37.120.208.36:49703
Unpacked files
SH256 hash:
70795c4cfc9af8305dc404936a20f81ef186501dfbfa09e3c5102835c1e7a246
MD5 hash:
a4c90f52f56e498bbfa1db473bcc04fd
SHA1 hash:
de168d43f6f58c1c9511833f21d1a559e3270a0a
SH256 hash:
855e6338b50df4f1c17f67e19b822312c185ed7b42073c246a5d550a7b7199a7
MD5 hash:
c18f09a2a4544b0630678c31fc11e20f
SHA1 hash:
d32a40b9746de24f5458b60b7a708e1f8981af81
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 70795c4cfc9af8305dc404936a20f81ef186501dfbfa09e3c5102835c1e7a246

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments