MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3873c3bbf02f10de5e67b0da4c9002d4f936bae5aa287a83b078ae208e94f381. 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 11 File information Comments 1
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SHA256 hash: 3873c3bbf02f10de5e67b0da4c9002d4f936bae5aa287a83b078ae208e94f381
SHA3-384 hash: 7993c22c2481cdae4f27865822f99ae634dfea47517c9859e3a864e46899fc00caa9f8931cb0c597fed4c91e2aa30a05
SHA1 hash: f47a7dd5095cca86ec026990a6ca66465139c1b1
MD5 hash: e403c2bbdd544797a9d702de09165779
humanhash: carpet-happy-venus-cup
File name:e403c2bbdd544797a9d702de09165779
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:727'552 bytes
First seen:2022-07-31 15:07:47 UTC
Last seen:2022-07-31 16:03:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:tbFfUhXQel80lOImzwFO/ChdqoQ+S8BZu+2MLjb2KPhZ8NjEmfQGX3bzhj9rUrmi:tFfSQel80MUFO/Chd1q8kehZOYmDb
TLSH T14CF46B136F01C704C186F0FC9E13A788D6A1FD897DEBCE2161C1662D987ABC1592EA4F
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 6cc8f0f8f0e0f0c4 (1 x AsyncRAT)
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
428
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/295390/
Detection(s):
SecuriteInfo.com.Trojan.Siggen18.27606.22715.5275.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Siggen18.27606.14360.25005.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Forced shutdown of a system process
Sending a TCP request to an infection source
Enabling autorun
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62e69b1db7eec656277ed37f/reports/c16017d2-407e-44a5-8870-e286a0c3bd79/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:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/23bc4d24-b48e-4145-8965-9945f9b33c08
Result
Threat name:
AsyncRAT, Clipboard Hijacker
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1043813
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected Clipboard Hijacker
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 676308 Sample: 24NPMqgL33 Startdate: 31/07/2022 Architecture: WINDOWS Score: 100 67 Snort IDS alert for network traffic 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus detection for dropped file 2->71 73 12 other signatures 2->73 10 24NPMqgL33.exe 1 4 2->10         started        process3 file4 39 C:\Users\user\AppData\Roaming\...\Plugin1.exe, PE32 10->39 dropped 41 C:\Users\user\...\Plugin1.exe:Zone.Identifier, ASCII 10->41 dropped 43 C:\Users\user\AppData\...\24NPMqgL33.exe.log, ASCII 10->43 dropped 79 Creates an undocumented autostart registry key 10->79 81 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->81 14 RegAsm.exe 16 6 10->14         started        signatures5 process6 dnsIp7 53 193.142.146.212, 49763, 49770, 49797 HOSTSLICK-GERMANYNL Netherlands 14->53 55 update-checker-status.cc 84.32.190.34, 49762, 80 VUB-ASIT Lithuania 14->55 57 192.168.2.1 unknown unknown 14->57 45 C:\Users\user\AppData\Local\Temp\pbmzhw.exe, PE32+ 14->45 dropped 47 C:\Users\user\AppData\Local\Temp\iimpuh.exe, PE32 14->47 dropped 49 C:\Users\user\AppData\Local\Temp\bofucd.exe, PE32+ 14->49 dropped 18 cmd.exe 1 14->18         started        21 cmd.exe 1 14->21         started        file8 process9 signatures10 75 Suspicious powershell command line found 18->75 23 powershell.exe 11 18->23         started        25 conhost.exe 18->25         started        77 Bypasses PowerShell execution policy 21->77 27 powershell.exe 12 21->27         started        29 conhost.exe 21->29         started        process11 process12 31 iimpuh.exe 5 23->31         started        35 bofucd.exe 27->35         started        file13 51 C:\Users\user\AppData\...\brejknjk.exe, PE32 31->51 dropped 59 Antivirus detection for dropped file 31->59 61 Multi AV Scanner detection for dropped file 31->61 63 Machine Learning detection for dropped file 31->63 65 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 31->65 37 RegAsm.exe 31->37         started        signatures14 process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3873c3bbf02f10de5e67b0da4c9002d4f936bae5aa287a83b078ae208e94f381/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-07-31 15:08:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hbz4ho7qf4in4xthwdnezeac2t4tnoxfviuhva5qpcxcbduu6oaq._file
Verdict:
malicious
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat persistence rat
Link:
https://tria.ge/reports/220731-shv6tshfbm/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
8ddf5449c3d1926c8ef819f709a04c5da7eed6d829c6f1d9ba076be5023057e6
MD5 hash:
76a3717299b9d050a5269469a55301fd
SHA1 hash:
75c71cc80888c1bb0149b03a010d72ab1c994d05
Link:
https://www.unpac.me/results/270e0c23-d67e-4a20-b24e-d0548db76df7/
SH256 hash:
b1a10e881bb98a4100b1cb1a2ece3eda1c73eb54561cd2ac12412982578290bb
MD5 hash:
2c54fa5ca63dc8a5a881834174b39213
SHA1 hash:
16781c57c18109ed765ad0e71706d7c7c5e8c36a
Link:
https://www.unpac.me/results/270e0c23-d67e-4a20-b24e-d0548db76df7/
SH256 hash:
3873c3bbf02f10de5e67b0da4c9002d4f936bae5aa287a83b078ae208e94f381
MD5 hash:
e403c2bbdd544797a9d702de09165779
SHA1 hash:
f47a7dd5095cca86ec026990a6ca66465139c1b1
Link:
https://www.unpac.me/results/270e0c23-d67e-4a20-b24e-d0548db76df7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3873c3bbf02f10de5e67b0da4c9002d4f936bae5aa287a83b078ae208e94f381

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:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
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.

Web download

AsyncRAT

Executable exe 3873c3bbf02f10de5e67b0da4c9002d4f936bae5aa287a83b078ae208e94f381

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2263270/
Cape
Cape
https://www.capesandbox.com/analysis/295390/

Comments


Avatar
zbet commented on 2022-07-31 15:07:49 UTC

url : hxxp://141.98.6.236/Cheat-Menu/Ofamxvd-Cheat-2.exe