MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b5727c6490854539140bc2414d48fbed9e557ddc48b875ed80626d1f6d68988. 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 17 File information Comments

SHA256 hash: 6b5727c6490854539140bc2414d48fbed9e557ddc48b875ed80626d1f6d68988
SHA3-384 hash: d2b8cbb1955c58a7df06b21d31e7a323ffc8880c837ff51608366054d03206141929c6c20615bcd3847a4c39dfd23ae3
SHA1 hash: 4935cd3bf4150a47333591613605b1a4cb359dae
MD5 hash: ea4d74cd36fb07dc7089eab433058885
humanhash: nine-red-cardinal-arizona
File name:Pago10032023.exe
Download: download sample
Signature AsyncRAT
File size:634'586 bytes
First seen:2023-03-10 16:35:15 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 12288:NcrNS33L10QdrXjCDnaillWAIWU6+30xA+k3qASh8s3R:wNA3R5drX2DaOIAINb0xp8qAShZh
Threatray 413 similar samples on MalwareBazaar
TLSH T132D4F102FBD688B2D5331A351935AB1169BDBD300E34DA5EB3D8796DCE31181A631FA3
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 0202020202000000 (6 x AsyncRAT)
Reporter lowmal3
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
244
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Pago10032023.exe
Verdict:
Malicious activity
Analysis date:
2023-03-10 16:36:10 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Launching a process
Launching a service
Creating a file
Changing a file
Delayed writing of the file
Creating a process with a hidden window
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
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware overlay packed setupapi.dll shdocvw.dll shell32.dll
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.
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
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
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 824282 Sample: Pago10032023.exe Startdate: 10/03/2023 Architecture: WINDOWS Score: 100 63 Multi AV Scanner detection for domain / URL 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 4 other signatures 2->69 12 Pago10032023.exe 10 2->12         started        15 crssr.exe 2->15         started        process3 file4 57 C:\Users\user\AppData\...\yxghdfyh.sfx.exe, PE32 12->57 dropped 18 cmd.exe 1 12->18         started        81 Machine Learning detection for dropped file 15->81 83 Injects a PE file into a foreign processes 15->83 21 crssr.exe 15->21         started        signatures5 process6 signatures7 71 Uses schtasks.exe or at.exe to add and modify task schedules 18->71 23 yxghdfyh.sfx.exe 8 18->23         started        27 conhost.exe 18->27         started        process8 file9 55 C:\Users\user\AppData\Local\...\yxghdfyh.exe, PE32 23->55 dropped 75 Multi AV Scanner detection for dropped file 23->75 29 yxghdfyh.exe 1 23->29         started        signatures10 process11 signatures12 77 Machine Learning detection for dropped file 29->77 79 Injects a PE file into a foreign processes 29->79 32 yxghdfyh.exe 6 29->32         started        process13 file14 53 C:\Users\user\AppData\Roaming\crssr.exe, PE32 32->53 dropped 35 cmd.exe 1 32->35         started        37 cmd.exe 1 32->37         started        process15 process16 39 crssr.exe 1 35->39         started        42 conhost.exe 35->42         started        44 timeout.exe 1 35->44         started        46 conhost.exe 37->46         started        48 schtasks.exe 1 37->48         started        signatures17 73 Injects a PE file into a foreign processes 39->73 50 crssr.exe 39->50         started        process18 dnsIp19 59 dnuocc.com 185.254.37.238, 1432, 1452, 49709 NETERRA-ASBG Germany 50->59 61 www.dnuocc.com 50->61
Threat name:
ByteCode-MSIL.Trojan.Tnega
Status:
Malicious
First seen:
2023-03-10 08:57:33 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:knock rat
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:
www.dnuocc.com:1452
www.dnuocc.com:1432
dnuocc.com:1452
dnuocc.com:1432
Unpacked files
SH256 hash:
c203441bb8b132676a317b850ee466e48dca3ff0e977cd4f67c910ca64fa19cf
MD5 hash:
dd5501b635a40cb428ae6b9a89c67e75
SHA1 hash:
a8974f320efe3944f559b7c56d480c94e648129b
SH256 hash:
d125e8e0fb20d50ee2a992f3cc2d5ca09287af1aae8bd4f110c43b252540f0ca
MD5 hash:
20f43b68ced6f66bb3ab8856286dafae
SHA1 hash:
5a83a113eecc6e89c9db600feca9b9d67b6ebe1a
SH256 hash:
9413e0fa575f25caa60965a2b97304985e35ab4dc1218a40d5029f5775d96cd7
MD5 hash:
0340f2ed7568bbfe85803c58816f553f
SHA1 hash:
0c4fdcac8c43678e5f4e0d1ddf354317bc340060
Detections:
AsyncRAT win_asyncrat_w0
SH256 hash:
6b5727c6490854539140bc2414d48fbed9e557ddc48b875ed80626d1f6d68988
MD5 hash:
ea4d74cd36fb07dc7089eab433058885
SHA1 hash:
4935cd3bf4150a47333591613605b1a4cb359dae
Detections:
win_xorist_auto
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
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MAL_AsnycRAT
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:msil_suspicious_use_of_strreverse
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Rule name:sfx_pdb
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:sfx_pdb_winrar_restrict
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:Windows_Trojan_Asyncrat_11a11ba1
Author:Elastic Security
Rule name:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:win_xorist_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.xorist.

File information


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

Malspam

AsyncRAT

Executable exe 6b5727c6490854539140bc2414d48fbed9e557ddc48b875ed80626d1f6d68988

(this sample)

  
Delivery method
Distributed via e-mail attachment

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