MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 92a734c338647c35c24e7b71c4fdd83739bc0f15ce120210c5a50ebd4f48a5ef. 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: 17


Intelligence 17 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 92a734c338647c35c24e7b71c4fdd83739bc0f15ce120210c5a50ebd4f48a5ef
SHA3-384 hash: cc292960a1202ff8e52aad95901161609b8566ef2916623ccf22025f543fd6a57df78cbb96ed5e1fa82291c944c33126
SHA1 hash: b004faa8d21b54e8b719f412d002b3c525e40ead
MD5 hash: 0ca524127ac86fab43de48e5f3372991
humanhash: sweet-friend-fruit-north
File name:ONAYLA.scr
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:1'209'016 bytes
First seen:2023-06-02 08:37:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 24576:wNA3R5drXwDWkfkRusp2pNd4DxCJRUT3n4TcBPGEb8:p5WjkFDxCJRULnlPB8
Threatray 2'779 similar samples on MalwareBazaar
TLSH T1E6451202EAD588B2E5B31931093AB750797CBD201E34DA1EB7D47EBDDA30481A532F67
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 5970620f964d1717 (3 x AsyncRAT, 1 x Formbook)
Reporter TeamDreier
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
284
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ONAYLA.scr
Verdict:
Malicious activity
Analysis date:
2023-06-02 08:38:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fdd52439-a8d0-4a35-abab-718a93c58eaa

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/394715/
Detection(s):
SecuriteInfo.com.Troj.NanoCo_TZ.22029.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Launching a service
Running batch commands
Creating a process from a recently created file
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/89032/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lolbin overlay packed quasar setupapi.dll shdocvw.dll shell32.dll
Link:
https://www.filescan.io/uploads/6479aa6e8d20256c9d2a1beb/reports/671859d9-c199-413d-92e1-31279643fb8d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/92a734c338647c35c24e7b71c4fdd83739bc0f15ce120210c5a50ebd4f48a5ef
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/282be2a1-d513-4aeb-a7a6-f6826b1111c3
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1247480
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 880500 Sample: ONAYLA.scr.exe Startdate: 02/06/2023 Architecture: WINDOWS Score: 100 84 Snort IDS alert for network traffic 2->84 86 Multi AV Scanner detection for domain / URL 2->86 88 Found malware configuration 2->88 90 9 other signatures 2->90 14 ONAYLA.scr.exe 10 2->14         started        17 procs.exe 2->17         started        process3 file4 76 C:\Users\user\AppData\...\idjder.sfx.exe, PE32 14->76 dropped 20 cmd.exe 1 14->20         started        80 Multi AV Scanner detection for dropped file 17->80 82 Machine Learning detection for dropped file 17->82 23 procs.exe 17->23         started        signatures5 process6 dnsIp7 94 Uses schtasks.exe or at.exe to add and modify task schedules 20->94 26 idjder.sfx.exe 8 20->26         started        30 conhost.exe 20->30         started        78 frontbrockmepronto.ddns.net 79.110.49.27, 4343, 49687, 49689 OTAVANET-ASCZ Germany 23->78 32 cmd.exe 23->32         started        34 cmd.exe 23->34         started        signatures8 process9 file10 72 C:\Users\user\AppData\Local\Temp\idjder.exe, PE32 26->72 dropped 104 Multi AV Scanner detection for dropped file 26->104 36 idjder.exe 9 26->36         started        40 conhost.exe 32->40         started        42 schtasks.exe 32->42         started        44 conhost.exe 34->44         started        46 timeout.exe 34->46         started        signatures11 process12 file13 70 C:\Users\user\AppData\...\ijbkbo.sfx.exe, PE32 36->70 dropped 96 Multi AV Scanner detection for dropped file 36->96 48 cmd.exe 1 36->48         started        signatures14 process15 process16 50 ijbkbo.sfx.exe 8 48->50         started        54 conhost.exe 48->54         started        file17 68 C:\Users\user\AppData\Local\Temp\ijbkbo.exe, PE32 50->68 dropped 92 Multi AV Scanner detection for dropped file 50->92 56 ijbkbo.exe 1 50->56         started        signatures18 process19 signatures20 98 Multi AV Scanner detection for dropped file 56->98 100 Machine Learning detection for dropped file 56->100 102 Injects a PE file into a foreign processes 56->102 59 ijbkbo.exe 6 56->59         started        process21 file22 74 C:\Users\user\AppData\Roaming\procs.exe, PE32 59->74 dropped 62 cmd.exe 59->62         started        64 cmd.exe 59->64         started        process23 process24 66 conhost.exe 64->66         started       
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/92a734c338647c35c24e7b71c4fdd83739bc0f15ce120210c5a50ebd4f48a5ef/
Threat name:
Win32.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2023-06-01 18:16:16 UTC
File Type:
PE (Exe)
Extracted files:
40
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=skttjqzymr6dlqsopny4j7oyg443ydyvzyjaeegfuuhl2t2iuxxq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0a05f8788ca28d5f4e2ad838a36f83107326d3021fc5bc9824fe2c47dfd07712
AsyncRAT
465966504b71b61efd8b63c2b473115b51666d6e5beab1aad6f5da29fa82f2c5
AsyncRAT
5468fe6c4a8a65ed2e4e3c101c8fd0191b9773acc51ae61da6d446057958511b
AsyncRAT
8adeeedad895d174c55f2d43c1985ff77fc533975cfde64f8dfd99782e4c4b9f
AsyncRAT
8e3079b83ab70db97e2508e7a9a57a8a5ce124b1524c6a64867b5ff33edcbdca
AsyncRAT
959e3ca2579b6be8a11c06763c5a34ec118abc96d869e25bef06319c92da465e
AsyncRAT
a412a3bdf6e8891fa60734b53430db5d0ac8dce28a764fd013dd767614790c45
AsyncRAT
+ 2'769 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:mxgroup rat
Link:
https://tria.ge/reports/230602-kjp27saf34/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
frontbrockmepronto.ddns.net:4343
frontbrockmepronto.ddns.net:5757
frontbrockmepronto.sytes.net:4343
frontbrockmepronto.sytes.net:5757
Unpacked files
SH256 hash:
c9feda4389598fbab30fafc3b5fe880f2f20df01a93cc171293ccf060e1ec827
MD5 hash:
4965e4df8ddb1cdf75eba21d89531260
SHA1 hash:
5042fa5622f61b0a49e200f4ef62ac60705fd73e
Link:
https://www.unpac.me/results/f706099b-e934-420d-b383-dbebadaa7d8a/
SH256 hash:
55805ff14318470d2bb03ef3a08451174078972213f5f557d7d26d17fe9d597c
MD5 hash:
1900a6c2b1b8680488d9ba6ab5f133de
SHA1 hash:
876834389ae14fb52518124bc5065d996ac3e4c4
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/f706099b-e934-420d-b383-dbebadaa7d8a/
Parent samples :
77e2467db5a0e05a373577bd5a04c1f5ecd4282ded59a0d235f61fd915f2e58d
7570583507a88122beae60126d30e6ef9a0ecdf6d6e5cbfa5eadfbf2beea1f6f
d071c4ad717b4f4fbfc6842ef23c1885f3649b98a332b3544b17228ffdf97d9f
9ffac5cfce4255e57ad84ef7619e30cc8fd8ef9635524ef418aa9e038f130e95
92a734c338647c35c24e7b71c4fdd83739bc0f15ce120210c5a50ebd4f48a5ef
cc8714ca2a553cb67d5e387d8fdbe58ec36c173305022ae800d475cd0ad54115
SH256 hash:
92a734c338647c35c24e7b71c4fdd83739bc0f15ce120210c5a50ebd4f48a5ef
MD5 hash:
0ca524127ac86fab43de48e5f3372991
SHA1 hash:
b004faa8d21b54e8b719f412d002b3c525e40ead
Link:
https://www.unpac.me/results/f706099b-e934-420d-b383-dbebadaa7d8a/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/92a734c33864/report/overview.html
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/92a734c338647c35c24e7b71c4fdd83739bc0f15ce120210c5a50ebd4f48a5ef

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:msil_suspicious_use_of_strreverse
Create hunting rule
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:pe_imphash
Create hunting rule
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
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:Windows_Trojan_Asyncrat_11a11ba1
Create hunting rule
Author:Elastic Security
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

Executable exe 92a734c338647c35c24e7b71c4fdd83739bc0f15ce120210c5a50ebd4f48a5ef

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/394715/

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