MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 631d3c150ab34edd7c3cc8663d491de9bf7c72cc6aec91f2b5301c451b7e1b66. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 631d3c150ab34edd7c3cc8663d491de9bf7c72cc6aec91f2b5301c451b7e1b66
SHA3-384 hash: cf7d777869e388a4f771230249d176252a7f07c0b8aaedec352de0565c0daf99265b18892ff32cbf6791e0efe06f9171
SHA1 hash: 1978fad39a7c39543185e1912b88ed905131b4a2
MD5 hash: 91bd6225dca340fcec238bfbaf62725d
humanhash: louisiana-jupiter-neptune-shade
File name:91bd6225dca340fcec238bfbaf62725d.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:155'136 bytes
First seen:2022-08-29 08:09:05 UTC
Last seen:2022-08-29 08:49:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 3072:9X7eOBhZPLOST0/0Ff5qTtb8yV44DSbhTrfQioYL:HfCIqTja4DSb9gm
Threatray 677 similar samples on MalwareBazaar
TLSH T116E31A9C6B64C6B7C3AC83B5A083110563F0415BE672E744BEA814E98C53394DB96BFF
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
91bd6225dca340fcec238bfbaf62725d.exe
Verdict:
Suspicious activity
Analysis date:
2022-08-29 08:18:20 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f17d3da7-49ab-4561-9296-526d130d2a43

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/302107/
Detection(s):
SecuriteInfo.com.Variant.Lazy.238389.12204.3008.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Sending a UDP request
Running batch commands
Creating a process with a hidden window
Creating a file
Launching a process
Creating a process from a recently created file
Creating a window
Creating a file in the %temp% subdirectories
Creating a file in the %AppData% subdirectories
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
exploit packed
Link:
https://www.filescan.io/uploads/630c746d27576b0fd0496a47/reports/c36922ff-164c-4115-994f-65d609ff9897/overview
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.
Malware family:
Remcos RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2c72d932-27d9-4c9b-a6e5-1d2fc2af615c
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1059615
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Creates an undocumented autostart registry key
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Self deletion via cmd or bat file
Suspicious powershell command line found
Tries to download and execute files (via powershell)
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AsyncRAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 692132 Sample: sBTM72vwbi.exe Startdate: 29/08/2022 Architecture: WINDOWS Score: 100 51 Multi AV Scanner detection for domain / URL 2->51 53 Antivirus detection for URL or domain 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 9 other signatures 2->57 7 sBTM72vwbi.exe 14 16 2->7         started        12 cmd.exe 1 2->12         started        14 cmd.exe 2->14         started        16 5 other processes 2->16 process3 dnsIp4 45 ip-api.com 208.95.112.1, 49719, 80 TUT-ASUS United States 7->45 47 api.telegram.org 149.154.167.220, 443, 49720 TELEGRAMRU United Kingdom 7->47 43 C:\Users\user\AppData\...\sBTM72vwbi.exe.log, ASCII 7->43 dropped 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->61 63 May check the online IP address of the machine 7->63 65 Self deletion via cmd or bat file 7->65 18 cmd.exe 7->18         started        67 Uses schtasks.exe or at.exe to add and modify task schedules 12->67 69 Uses netsh to modify the Windows network and firewall settings 12->69 20 conhost.exe 12->20         started        22 netsh.exe 12->22         started        24 reg.exe 14->24         started        27 conhost.exe 14->27         started        49 cothdesigns.com 37.139.129.221, 443, 49721, 49722 LVLT-10753US Germany 16->49 29 cmd.exe 16->29         started        31 conhost.exe 16->31         started        33 conhost.exe 16->33         started        35 5 other processes 16->35 file5 signatures6 process7 signatures8 37 conhost.exe 18->37         started        39 choice.exe 18->39         started        59 Creates an undocumented autostart registry key 24->59 41 schtasks.exe 29->41         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/631d3c150ab34edd7c3cc8663d491de9bf7c72cc6aec91f2b5301c451b7e1b66/
Threat name:
Win32.Trojan.RealProtect
Create hunting rule
Status:
Malicious
First seen:
2022-08-29 08:10:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mmotyfikwnhn27b4zbtd2si55g7xy4wmnlwjd4vvgaoekg36dnta._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
06db093414f42d7669e57d31a8d563c71018e8d75c886244b77a6a9bc86b6fdb
AsyncRAT
568080becc828ef880efd876a95107ce0075ed3042e42b027092bbf2cd2dbab3
AsyncRAT
61e80b2a2706e9f4db3bcbb949dc9d4f718cfa4769fae3a72ef2730978be401a
AsyncRAT
6adee9708eeb07df53ced6a40ad5eab5e92be4f86a314835a8ec6e78d20cef62
AsyncRAT
74b1f33dc283a64df996251ad950a1c8bdba5ab77da45c97233972d2a8c17056
AsyncRAT
91a6129ad3cbba13eb16ef45de4d5c124da36e27dfcdbf27daf98b1d602ea47a
AsyncRAT
934a9881f22c30976cb47fdef452982f4dca6a0b94e67d2c64fe798850601771
AsyncRAT
d5419677cb8fd7838ad7d775a58663f3b290cb0970b401adb3d75337ec469a5c
AsyncRAT
+ 667 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Link:
https://tria.ge/reports/220829-j2qk1sfda5/
Behaviour
Creates scheduled task(s)
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in System32 directory
Looks up external IP address via web service
Checks computer location settings
Adds policy Run key to start application
Blocklisted process makes network request
Malware Config
Dropper Extraction:
http://cothdesigns.com:443/obieznne.msi
http://cothdesigns.com:443/KMS_Tool.msi
http://cothdesigns.com:443/cmd.msi
http://cothdesigns.com:443/xmlo.msi
Unpacked files
SH256 hash:
631d3c150ab34edd7c3cc8663d491de9bf7c72cc6aec91f2b5301c451b7e1b66
MD5 hash:
91bd6225dca340fcec238bfbaf62725d
SHA1 hash:
1978fad39a7c39543185e1912b88ed905131b4a2
Link:
https://www.unpac.me/results/20dcc2e0-9b95-4821-97ad-a5b08fa0ea16/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/631d3c150ab34edd7c3cc8663d491de9bf7c72cc6aec91f2b5301c451b7e1b66

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:AgentTesla
Create hunting rule
Author:Harish Kumar P
Description:Yara Rule to Detect AgentTesla
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AsyncRAT

Executable exe 631d3c150ab34edd7c3cc8663d491de9bf7c72cc6aec91f2b5301c451b7e1b66

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/302107/
  
URLhaus
https://urlhaus.abuse.ch/url/2276751/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2276801/

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