MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38cf9a76e1bc9d19c99938b06174cb920e495dad632e0942b1b3bb8b50eec737. 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: 16


Intelligence 16 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 38cf9a76e1bc9d19c99938b06174cb920e495dad632e0942b1b3bb8b50eec737
SHA3-384 hash: 1c62bbe7c47fe1eb4374bcba76b59891f26b484255f735d5a41eadd77e63edced65b33460d3b1b6242fa6ea9abafb210
SHA1 hash: d73d53317bd5e8a486f2f58ed4f8fa55265c9c37
MD5 hash: 9b030635c788d9b06838649243ff3a53
humanhash: seven-mountain-pluto-london
File name:Fatura_odeme.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:1'263'503 bytes
First seen:2023-07-27 06:48:14 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:wNA3R5drX1DkkoRV4orS1CchpYVa+fOrh81+nPQtWA0uGTA0P7DES+9mMFXhH:p5pcRFrSiM+6hRnPQtcuuA0jgt8MRH
Threatray 2'894 similar samples on MalwareBazaar
TLSH T1F84502127FC24772E9B3C631452AF645F17E7C243F2A9A0E3399F25C5B3608181BEA56
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 0c4d0c052d0d0d01 (6 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
279
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
Fatura_odeme.exe
Verdict:
Malicious activity
Analysis date:
2023-07-27 06:49:00 UTC
Tags:
asyncrat
Link:
https://app.any.run/tasks/f139e8dd-4b3b-4332-8a29-d94525abdaf5

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/434662/
Detection(s):
SecuriteInfo.com.Troj.NanoCo_TZ.22029.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Creating a process from a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Creating a process with a hidden window
Creating a file in the %AppData% directory
Launching a process
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware lolbin overlay packed replace setupapi shdocvw shell32
Link:
https://www.filescan.io/uploads/64c2135e907b8030b17b3b05/reports/6657dd9f-6a6a-4cfd-9327-492094be0775/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/38cf9a76e1bc9d19c99938b06174cb920e495dad632e0942b1b3bb8b50eec737
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/f9128217-b6ed-4a68-93d9-205a00b588ad
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1280880
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1280880 Sample: Fatura_odeme.exe Startdate: 27/07/2023 Architecture: WINDOWS Score: 100 51 Multi AV Scanner detection for domain / URL 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 6 other signatures 2->57 13 Fatura_odeme.exe 9 2->13         started        process3 file4 47 C:\Users\user\AppData\...\ijhfbder.sfx.exe, PE32 13->47 dropped 16 cmd.exe 1 13->16         started        process5 process6 18 ijhfbder.sfx.exe 8 16->18         started        22 conhost.exe 16->22         started        file7 43 C:\Users\user\AppData\Local\...\ijhfbder.exe, PE32 18->43 dropped 59 Multi AV Scanner detection for dropped file 18->59 24 ijhfbder.exe 9 18->24         started        signatures8 process9 file10 45 C:\Users\user\AppData\...\ihdsifiadf.sfx.exe, PE32 24->45 dropped 65 Multi AV Scanner detection for dropped file 24->65 28 cmd.exe 1 24->28         started        signatures11 process12 process13 30 ihdsifiadf.sfx.exe 8 28->30         started        34 conhost.exe 28->34         started        file14 49 C:\Users\user\AppData\...\ihdsifiadf.exe, PE32 30->49 dropped 67 Multi AV Scanner detection for dropped file 30->67 36 ihdsifiadf.exe 1 30->36         started        signatures15 process16 signatures17 61 Multi AV Scanner detection for dropped file 36->61 63 Machine Learning detection for dropped file 36->63 39 ihdsifiadf.exe 36->39         started        process18 process19 41 WerFault.exe 39->41         started       
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/38cf9a76e1bc9d19c99938b06174cb920e495dad632e0942b1b3bb8b50eec737/
Threat name:
Win32.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2023-07-26 06:26:28 UTC
File Type:
PE (Exe)
Extracted files:
22
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hdhzu5xbxsortsmzhcygc5glsihesxnnmmxasqvrwo5ywuhoy43q._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
1299373ec40fc1f3f16957338574a9ad51a94e62220cc8c08f1ad81dee443544
AsyncRAT
16fc0cec13d88da3d0a36e4c42e733db8f1e21cafc18fd813a25cd0bc835f35a
AsyncRAT
2e75072eae7fa044b3ee05b2ba378823bbfa3091ceb5612f33b637c0d0764a21
AsyncRAT
438e8f8d626ca18bb5fbd3499cad058033b199c865badba6415e362d5b8dcd49
AsyncRAT
4964c618368217328e5fb70c84e047f18e5027ae0e6ea984b1b96c38ffad77c7
AsyncRAT
6527e25f86c1902c430fc0e52769359f831365969c35fc12ef837b7b63fcc939
AsyncRAT
c48d2cb5d98dc746bc2dea4c2c4cf72ef1fdb18011e2bc46b3fcdb6072f2b896
AsyncRAT
f0e61a30a68cacde89ef636511dfae2b488bcbe9b47053c3afc0718d66324f70
AsyncRAT
f85fb30beeceb9e2721aa12deee155bb604c0a364f926da18644af7e6e5c7a25
AsyncRAT
+ 2'884 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default2 rat
Link:
https://tria.ge/reports/230727-hlchsaah6w/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
ronadeatcamside.sytes.net:1616
ronadeatcamside.sytes.net:2828
onadeatcamside.sytes.net:1616
onadeatcamside.sytes.net:2828
Unpacked files
SH256 hash:
b1a117e7f221ae96c5350624f3cd76a0f3d52894b38e3fde311c02e9739b0064
MD5 hash:
da3d32094340ba527167067f78720d67
SHA1 hash:
9e0786906c33ecd985802743fea2699056213cad
Link:
https://www.unpac.me/results/2dcaa45c-ddce-4991-9fdc-c91d6a375eee/
SH256 hash:
41f060afa3b32a46f0a7bf664850efaf8415157b844b258d3671da4fc4882584
MD5 hash:
6fcd24e3a2927694f5c9879e91a8b6e5
SHA1 hash:
a97ad1e434d3f847e65573a47978404a204e4802
Link:
https://www.unpac.me/results/2dcaa45c-ddce-4991-9fdc-c91d6a375eee/
SH256 hash:
7c52fe8382972b0172708b5058486b2da91b5cc3dd1ef281f252a20876fbbaf1
MD5 hash:
abfef0a13dc23f473f470b76fc49d230
SHA1 hash:
7a69243a5daa2b0987c3af3188981964a9cfd2c4
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/2dcaa45c-ddce-4991-9fdc-c91d6a375eee/
Parent samples :
28ed3e9666fb281333a9f29b5667c69406ec2985fbaa888ed3bd72b8775d6772
7c38066be3852f96710448493f7a68ad4124dc58c6e96a984f44610252d7e2d8
ea8592b2064d57ebf7f33bfa6b7fb915862795b2cbe637754bdb3f21b557c937
909f4d32633d14714d8cf06fd47a9744e9b9d29889ba8a1c22dfc20227061e35
38cf9a76e1bc9d19c99938b06174cb920e495dad632e0942b1b3bb8b50eec737
SH256 hash:
38cf9a76e1bc9d19c99938b06174cb920e495dad632e0942b1b3bb8b50eec737
MD5 hash:
9b030635c788d9b06838649243ff3a53
SHA1 hash:
d73d53317bd5e8a486f2f58ed4f8fa55265c9c37
Link:
https://www.unpac.me/results/2dcaa45c-ddce-4991-9fdc-c91d6a375eee/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/38cf9a76e1bc/report/overview.html
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: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.

Cape
Cape
https://www.capesandbox.com/analysis/434662/

Comments