MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 139d70b24d7cd96624f1559a68d903c5e80b690def1b68a185b9f389b6565fe2. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 139d70b24d7cd96624f1559a68d903c5e80b690def1b68a185b9f389b6565fe2
SHA3-384 hash: e8bb75c94e10b45daf375fea3d8d02ef32806d8e84c83b7ab2e0c004a54359a0a22ce06ca87a37e7e827c0e928eaa73a
SHA1 hash: 688af4adffd3e279761a41c949edd2c9bdf70799
MD5 hash: 0c13fd1c14c7b5ec9c069c3c824c7788
humanhash: seven-july-robert-bulldog
File name:Order_1101201918_AUTECH.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:798'720 bytes
First seen:2021-01-05 09:36:15 UTC
Last seen:2021-01-05 11:39:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:blSqc2WDxvkrhDdyquS7xY+sAa0WkSiyUig+sk4pfwaG8695rP:22vIqh7x7Ta0IiyyNfrkJP
Threatray 73 similar samples on MalwareBazaar
TLSH F5059C13FFC58690D898B5FB77D2BB42235DEFD623408326A714577A54B23C22A4E31A
Reporter abuse_ch
Tags:AsyncRAT exe Hostwinds RAT


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: hwsrv-816834.hostwindsdns.com
Sending IP: 192.119.66.34
From: Tom .M. <quotes@autoworks.co.za>
Reply-To: sales.marple@asia.com
Subject: New Order_1101201914 from autecpower co., ltd
Attachment: Order_1101201918_AUTECH.iso (contains "Order_1101201918_AUTECH.exe")

AsyncRAT C2:
185.157.161.86:9980

Intelligence

File Origin
# of uploads :
2
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Order_1101201918_AUTECH.exe
Verdict:
Malicious activity
Analysis date:
2021-01-05 09:49:22 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0ddd07d1-3b24-4fc0-b135-a607753732c1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/110556/
Detection(s):
SecuriteInfo.com.FileRepMalware.32764.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
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:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/574037
Signature
Allocates memory in foreign processes
Binary contains a suspicious time stamp
Connects to a pastebin service (likely for C&C)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 336080 Sample: Order_1101201918_AUTECH.exe Startdate: 05/01/2021 Architecture: WINDOWS Score: 84 53 Multi AV Scanner detection for submitted file 2->53 55 Initial sample is a PE file and has a suspicious name 2->55 57 Connects to a pastebin service (likely for C&C) 2->57 59 Binary contains a suspicious time stamp 2->59 8 Order_1101201918_AUTECH.exe 8 2->8         started        process3 file4 37 C:\Users\user\AppData\...\windowsgui.exe, PE32 8->37 dropped 39 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 8->39 dropped 41 C:\Users\...\windowsgui.exe:Zone.Identifier, ASCII 8->41 dropped 43 C:\Users\...\Order_1101201918_AUTECH.exe.log, ASCII 8->43 dropped 61 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->61 12 windowsgui.exe 5 8->12         started        signatures5 process6 file7 45 C:\Users\user\AppData\...\windowselec.exe, PE32 12->45 dropped 63 Multi AV Scanner detection for dropped file 12->63 65 Writes to foreign memory regions 12->65 67 Allocates memory in foreign processes 12->67 69 2 other signatures 12->69 16 AddInProcess32.exe 15 2 12->16         started        19 windowselec.exe 12->19         started        21 windowselec.exe 2 12->21         started        23 7 other processes 12->23 signatures8 process9 dnsIp10 47 185.157.161.86, 9980 OBE-EUROPEObenetworkEuropeSE Sweden 16->47 49 pastebin.com 104.23.99.190, 443, 49713 CLOUDFLARENETUS United States 16->49 51 192.168.2.1 unknown unknown 19->51 25 windowselec.exe 19->25         started        27 windowselec.exe 21->27         started        29 windowselec.exe 23->29         started        31 windowselec.exe 23->31         started        33 windowselec.exe 23->33         started        35 3 other processes 23->35 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/139d70b24d7cd96624f1559a68d903c5e80b690def1b68a185b9f389b6565fe2/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-01-05 09:37:05 UTC
AV detection:
8 of 46 (17.39%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cooxbmsnptmwmjhrkwngrwidyxuaw2in54nwrimfxhzytnswl7ra._file
Verdict:
suspicious
Similar samples:
09cfbae308d3cbdf17c9c71920feee15faac8ae3c78cf70d88fffbe49e166f4e
AsyncRAT
13a34248109d29dee8c2467ad2cebd0acf6712df7db92d8ca7cf9cb21f70eca5
AsyncRAT
144e3b521adb2f66b50fd33944e006ed93078559a0469ef44efad381d4865555
AsyncRAT
19d7b16a0a50b6eb2e79a6d04f1f4f8b17c9e82162ccdc0778cb0934af5b5657
AsyncRAT
3ba094f9ee7f050b817b94daad2e9b8334ecf138d474d54c993b2c3737c3eb34
AsyncRAT
5440e3ba334553d5264329b32eaab06d2bd91e4dc69b83968723d2abcc1bb3de
AsyncRAT
7a538b979c2a126fb287ed7bbb18ac55687273dfbac2c09de85f073c9bf5e3df
AsyncRAT
9b5fe8a14f29dd83c52785eb5d22937f27b5311f4eca46d23983e5fe2185e5c3
AsyncRAT
ad644da69f848609475d2a3d773eadf646d4c1e1cb20e4b87422d224e2ccbe32
AsyncRAT
b678f8fc8345839947b67e710f534a46b7bf435187d2d31d89c51e687af9dea4
AsyncRAT
+ 63 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210105-jkxee3qsaj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Drops startup file
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
null:null
Unpacked files
SH256 hash:
139d70b24d7cd96624f1559a68d903c5e80b690def1b68a185b9f389b6565fe2
MD5 hash:
0c13fd1c14c7b5ec9c069c3c824c7788
SHA1 hash:
688af4adffd3e279761a41c949edd2c9bdf70799
Link:
https://www.unpac.me/results/3cfa9209-c681-48c2-93a7-651029fdba72/
SH256 hash:
49dc26861fffee2f6440e56a10b7086ea305d2f16bb9e27ba3e08b9893557f86
MD5 hash:
e732cd6decfed3503b4020899d5a56f9
SHA1 hash:
024c1bf147c698e92aae340bbee323601d02a787
Link:
https://www.unpac.me/results/3cfa9209-c681-48c2-93a7-651029fdba72/
SH256 hash:
4f81e273da20c5b9835ce6ca57cc061d77764f9e3927bdb1505cb791bf50b046
MD5 hash:
29e19b5dce96140a8b90152b16bd44af
SHA1 hash:
4f3dc6eb876bb58f53966980a9c451a04ec17d8a
Link:
https://www.unpac.me/results/3cfa9209-c681-48c2-93a7-651029fdba72/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/139d70b24d7cd96624f1559a68d903c5e80b690def1b68a185b9f389b6565fe2

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:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
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

iso 36a12dfed0eeb2d115147a6a094964c140cbdce8cfd29adc3a1e4bbda7ad02c0

AsyncRAT

Executable exe 139d70b24d7cd96624f1559a68d903c5e80b690def1b68a185b9f389b6565fe2

(this sample)

  
Dropped by
MD5 4fd3a8beff31551558804785ba1121c3
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/110556/
  
Dropped by
SHA256 36a12dfed0eeb2d115147a6a094964c140cbdce8cfd29adc3a1e4bbda7ad02c0

Comments