MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ae38580db92dbcfd0456c535738923566520f8eaea88f3916acd636bb01f5104. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ae38580db92dbcfd0456c535738923566520f8eaea88f3916acd636bb01f5104
SHA3-384 hash: 065b773bef5ef93e679f2bc257f1d73f6b32c1bd8e41da88ee57bfdbd67502776eb7091f2a76963c32019d3d8ef3f2f3
SHA1 hash: 5677a08c9ca7b2e2d7249bacef20afcabf7c0eb6
MD5 hash: 6ff51f17f0722aa7cc66c3878cc43661
humanhash: black-crazy-grey-golf
File name:ORDER #02676.doc.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:351'232 bytes
First seen:2020-11-19 07:04:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:iObkACnCMTI8Ed+jMbJX8/w4RLajOe0TLsI6ODOEmEQoT:HB8EQj+J0w4ha5C4I6ODDT
Threatray 472 similar samples on MalwareBazaar
TLSH BA74F107638CA6DDC28C27345893CC7A134B6E9A9522D3999FC87C5F3FF5B25602439A
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: aomail3.emirates.net.ae
Sending IP: 195.229.241.84
From: RMS Machinery Inc <rudy@rmsmachinery.com>
Reply-To: info@avtechcapital.com
Subject: ORDER #02676
Attachment: ORDER 02676.img (contains "ORDER #02676.doc.exe")

AsyncRAT C2:
37.120.208.36:49703

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
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
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Gathering data
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/542347
Signature
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 320267 Sample: ORDER #02676.doc.exe Startdate: 19/11/2020 Architecture: WINDOWS Score: 84 33 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->33 35 Yara detected AsyncRAT 2->35 37 Uses an obfuscated file name to hide its real file extension (double extension) 2->37 39 4 other signatures 2->39 6 ORDER #02676.doc.exe 1 1 2->6         started        10 ORDER #02676.doc.exe 2->10         started        12 ORDER #02676.doc.exe 2->12         started        process3 file4 25 C:\Users\user\...\ORDER #02676.doc.exe.log, ASCII 6->25 dropped 41 Writes to foreign memory regions 6->41 43 Maps a DLL or memory area into another process 6->43 14 vbc.exe 2 6->14         started        17 vbc.exe 6->17         started        19 vbc.exe 2 10->19         started        21 vbc.exe 10->21         started        23 vbc.exe 3 12->23         started        signatures5 process6 dnsIp7 27 rahim321.duckdns.org 192.169.69.25, 49714 WOWUS United States 14->27 29 chongmei33.publicvm.com 37.120.208.37, 49743, 49746 M247GB Romania 14->29 31 2 other IPs or domains 14->31
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ae38580db92dbcfd0456c535738923566520f8eaea88f3916acd636bb01f5104/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2020-11-19 07:05:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vy4fqdnzfw6p2bcwyu2xhcjdkzssb6hk5kephelkzvrwxma7keca._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
113542e4ae3f953dc690c8dc95e6cfc4cbe2d8354c9d6badf2ea69c03d598f44
AsyncRAT
28b795225d2ed86c593bf06ff0171760338768d843f8f6f2cc8c5a3b801a7b70
AsyncRAT
4cfe4e820c2d2b070d71009beaa98c9f7dce82de24266a344b743c7f47fea142
AsyncRAT
6536526fa3203e5eb97977b6b5448f8b44053d7739147a672ebf8a249c9260ea
AsyncRAT
70795c4cfc9af8305dc404936a20f81ef186501dfbfa09e3c5102835c1e7a246
AsyncRAT
73ffaa868244eb4bcee7027ce57d30e604dda4dcda00fcfcbfb43103909ea52b
AsyncRAT
7a81b97b26c6d76db59a1241f85c9c9d1b446c76c694f3b2f010649ebfe22d94
AsyncRAT
db15c1cea9481097cc1b2071902ca0523cde0aff7e96f859cf495a153b552249
AsyncRAT
f2397e6357ab4351a130ce51fe8236c663b446bc8f414618890e45263460e6c7
AsyncRAT
fce6bfb928dd92b696a1af343d0b98561c3e594387218630db943106fea38776
AsyncRAT
+ 462 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat persistence rat
Link:
https://tria.ge/reports/201119-zgs4gzjqjj/
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:
ae38580db92dbcfd0456c535738923566520f8eaea88f3916acd636bb01f5104
MD5 hash:
6ff51f17f0722aa7cc66c3878cc43661
SHA1 hash:
5677a08c9ca7b2e2d7249bacef20afcabf7c0eb6
Link:
https://www.unpac.me/results/f3bb5ba5-e33b-4498-b3b4-5c51bd50acb9/
SH256 hash:
20cc4a76ef5a0268876c7b56146a8df670559d85c2fd993d0eefc4ead3cde792
MD5 hash:
f06eb45a246bdc28f3a7c7e1e1687351
SHA1 hash:
76e996b8570dff4e393c0ffbb09d7ffa86d9f1fe
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/f3bb5ba5-e33b-4498-b3b4-5c51bd50acb9/
Parent samples :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 hash:
0049e85ee05eef100bc329ac46eb6edffc82004138f881b34548858e1af7e941
MD5 hash:
9f24ca82391f1e2d9ddf37cb4962ab48
SHA1 hash:
d2de786ffc5f1e69be8112b94e7d8fa91e89c98c
Link:
https://www.unpac.me/results/f3bb5ba5-e33b-4498-b3b4-5c51bd50acb9/
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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Create hunting rule
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

img 1fb8cd09cf6f9b82bba83da5c7dbbabdf22fd9a63ef23cc031cfa257ea879c94

AsyncRAT

Executable exe ae38580db92dbcfd0456c535738923566520f8eaea88f3916acd636bb01f5104

(this sample)

  
Dropped by
MD5 e5227237c92cf0aeb379b78af2b0b740
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 1fb8cd09cf6f9b82bba83da5c7dbbabdf22fd9a63ef23cc031cfa257ea879c94

Comments