MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e2daa3a68587cab4b6806cdaf3b598ed826cdc4af442726ea948242d30bec39. 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: 4e2daa3a68587cab4b6806cdaf3b598ed826cdc4af442726ea948242d30bec39
SHA3-384 hash: b78fe3c885fcaed0cca2d70917146ca6c26e85d52c0ade5ff3bce381be0cea0b43579bdc0d21d3db6b31e64b55980187
SHA1 hash: 4e6a3b3a6d7dcdbfcdd58ab4fdbdf7d6ba4c1457
MD5 hash: f8011f62e81fa113a104e971a6cc35f6
humanhash: berlin-papa-butter-princess
File name:Bilgisi.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:919'071 bytes
First seen:2023-05-15 10:48:48 UTC
Last seen:2023-05-16 08:16:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 24576:wNA3R5drXnDfowvPMRkxu1c/DMhUsOJvwKoZPpox:p5DpMRgDghUvoxox
Threatray 494 similar samples on MalwareBazaar
TLSH T102151252B6C684B1E23719364939AB01A9BCBD301F20CB6FB3D47E6DC971181A631F67
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 5960139645174747 (2 x AsyncRAT, 1 x QuasarRAT)
Reporter TeamDreier
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
264
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
Bilgisi.exe
Verdict:
Malicious activity
Analysis date:
2023-05-15 10:50:15 UTC
Tags:
asyncrat
Link:
https://app.any.run/tasks/3fdd74c7-2b4c-4a00-9619-d6f8d9dd3304

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/390041/
Detection(s):
Win.Dropper.QuasarRAT-9985767-0
Create hunting rule

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
Launching a process
Running batch commands
Creating a process from a recently created file
Creating a file
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/84632/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware overlay packed quasar setupapi.dll shdocvw.dll shell32.dll
Link:
https://www.filescan.io/uploads/64620e23edcf46739b7d334a/reports/1e28416a-4fa3-489b-bc98-1bf93142df69/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/4e2daa3a68587cab4b6806cdaf3b598ed826cdc4af442726ea948242d30bec39
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/a24c612b-e36f-489c-a722-16a07853d474
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1233639
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 submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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: 866620 Sample: Bilgisi.exe Startdate: 15/05/2023 Architecture: WINDOWS Score: 100 77 Multi AV Scanner detection for domain / URL 2->77 79 Found malware configuration 2->79 81 Malicious sample detected (through community Yara rule) 2->81 83 7 other signatures 2->83 14 Bilgisi.exe 3 10 2->14         started        17 dmwi.exe 2->17         started        process3 file4 69 C:\Users\user\AppData\...\ouktlder.sfx.exe, PE32 14->69 dropped 20 cmd.exe 1 14->20         started        23 AcroRd32.exe 39 14->23         started        73 Machine Learning detection for dropped file 17->73 75 Injects a PE file into a foreign processes 17->75 25 dmwi.exe 17->25         started        signatures5 process6 signatures7 85 Uses schtasks.exe or at.exe to add and modify task schedules 20->85 27 ouktlder.sfx.exe 8 20->27         started        30 conhost.exe 20->30         started        32 RdrCEF.exe 73 23->32         started        process8 dnsIp9 67 C:\Users\user\AppData\Local\...\ouktlder.exe, PE32 27->67 dropped 35 ouktlder.exe 9 27->35         started        71 192.168.2.1 unknown unknown 32->71 file10 process11 file12 63 C:\Users\user\AppData\Local\...\ihFno.sfx.exe, PE32 35->63 dropped 38 cmd.exe 1 35->38         started        process13 process14 40 ihFno.sfx.exe 8 38->40         started        43 conhost.exe 38->43         started        file15 65 C:\Users\user\AppData\Local\Temp\ihFno.exe, PE32 40->65 dropped 45 ihFno.exe 40->45         started        48 MpCmdRun.exe 40->48         started        process16 signatures17 87 Machine Learning detection for dropped file 45->87 50 ihFno.exe 45->50         started        53 conhost.exe 48->53         started        process18 file19 61 C:\Users\user\AppData\Roaming\dmwi.exe, PE32 50->61 dropped 55 cmd.exe 50->55         started        57 cmd.exe 50->57         started        process20 process21 59 conhost.exe 57->59         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4e2daa3a68587cab4b6806cdaf3b598ed826cdc4af442726ea948242d30bec39/
Threat name:
Win32.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2023-05-15 07:34:10 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jyw2uotilb6kws3ia3g26o2zr3mcntoev5ccojxkssbefuyl5q4q._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
029166bde069ee02c46c3541bfe4f9ff8c97d9ff353f814c716e2d1fbdb29c1f
AsyncRAT
1de2e96d4ccbc3954e5a7932b823f268e565639a0aac20e41fae23248d32d1a2
AsyncRAT
4b1f486d39c378ffdef7e655d0a3039537081b10a1520de0ae89bfe24cdc953e
AsyncRAT
50780178c6e35fc1107aa6aacb09c6d1a46d2200f909a95836c88cb7c3651c0e
AsyncRAT
6b5727c6490854539140bc2414d48fbed9e557ddc48b875ed80626d1f6d68988
AsyncRAT
94530ce58a289fbba223ab50512183f2dc1003ab227b144d6ec21c15cc427cce
AsyncRAT
b8f91cb2906c890e58423e51c9b5a63fe8948668d7a09e8920aec5ef62834ba0
AsyncRAT
d6730b5c86821069b831e8414566f9837f6b6686230f82bada788a2786309eb9
AsyncRAT
+ 484 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:vtokn rat
Link:
https://tria.ge/reports/230515-mwnq1sfh32/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
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:
grotomnipobell.zapto.org:1515
grotomnipobell.zapto.org:2323
roollingstonecam.sytes.net:1515
roollingstonecam.sytes.net:2323
roollingstonecam.zapto.org:1515
roollingstonecam.zapto.org:2323
Unpacked files
SH256 hash:
8024f0ef7ebffd30b05be77ef1a6e1b01305aa29a7f99dba4b9a646a1d24ba60
MD5 hash:
4f4c344d3c8db6a7c45eb121526233d1
SHA1 hash:
deb877f7b97f98be882d484f028aa938bb98ae0e
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/565adc85-dade-42c8-83cb-11ae92b18ff6/
Parent samples :
78ef03fec16bd2b15219dd7bf4fe79cd9420f81dd833270907b90aca5d6183a6
4e2daa3a68587cab4b6806cdaf3b598ed826cdc4af442726ea948242d30bec39
bdbb856c4fac68337efb445ff53fed5e9dd24d50210ebcfc02e83f43bda45ada
3ac3a11c0ec419ccdd2a447f7eaf403bb42fd813f9cf1ba837fbc2921a9af963
82c85f030f61b2ec5d5b7197020dc37c18ed6b0c0e1b88037d6433d8a168f7c9
SH256 hash:
3ac3a11c0ec419ccdd2a447f7eaf403bb42fd813f9cf1ba837fbc2921a9af963
MD5 hash:
13fd50229aac13aac0c488f6cbe8f7ce
SHA1 hash:
abfb527d94085e2e6d22632b5a42fd52b765dc8d
Link:
https://www.unpac.me/results/565adc85-dade-42c8-83cb-11ae92b18ff6/
SH256 hash:
4e2daa3a68587cab4b6806cdaf3b598ed826cdc4af442726ea948242d30bec39
MD5 hash:
f8011f62e81fa113a104e971a6cc35f6
SHA1 hash:
4e6a3b3a6d7dcdbfcdd58ab4fdbdf7d6ba4c1457
Link:
https://www.unpac.me/results/565adc85-dade-42c8-83cb-11ae92b18ff6/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4e2daa3a6858/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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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: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 4e2daa3a68587cab4b6806cdaf3b598ed826cdc4af442726ea948242d30bec39

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/390041/

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