MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d79ce2dede3d6ebedc5be7388c9139fdcc0282a894b60af4220030d1dccf796a. 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 3 File information Comments

SHA256 hash: d79ce2dede3d6ebedc5be7388c9139fdcc0282a894b60af4220030d1dccf796a
SHA3-384 hash: 81191889e742b99a496deabfed8e9c7d60219c3b7d25a4fa3fd9f3800c484997efbcb175b89c1a11ba16a96a16597ae4
SHA1 hash: a38471760f16090e5ab1a70417a6ac165c469c5b
MD5 hash: 8d713c7aa63e082b7ac9b1063dc1da93
humanhash: fillet-maine-east-seventeen
File name:SecurityHealthService.exe
Download: download sample
Signature AsyncRAT
File size:6'144 bytes
First seen:2022-11-11 06:44:21 UTC
Last seen:2022-11-11 08:43:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'192 x AgentTesla, 20'344 x Formbook, 12'365 x SnakeKeylogger)
ssdeep 96:Od9792ll3VI2Ie1kt48vk++/nAYesn4vk++/IexQ9d3ojhrl:OD92/33ISkLvkfYY14vkfgr9dY
Threatray 6 similar samples on MalwareBazaar
TLSH T14CC1E1019EEE50DAF27707305BEAB37702A6F4B1552E62B870448A989F71BD4CC21FB1
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)
Reporter tcains1
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
162
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecurityHealthService.exe
Verdict:
Suspicious activity
Analysis date:
2022-11-11 06:45:41 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
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file
DNS request
Sending a custom TCP request
Creating a file in the %AppData% directory
Creating a process from a recently created file
Enabling the 'hidden' option for recently created files
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
asyncrat coinminer packed
Result
Threat name:
AsyncRAT, PhoenixRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Detected unpacking (changes PE section rights)
Encrypted powershell cmdline option found
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
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Powershell drops PE file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected MSILDownloaderGeneric
Yara detected PhoenixRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 743782 Sample: SecurityHealthService.exe Startdate: 11/11/2022 Architecture: WINDOWS Score: 100 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 9 other signatures 2->47 8 SecurityHealthService.exe 2 2->8         started        12 asdkljasdfsad.exe 2 2->12         started        14 asdkljasdfsad.exe 2 2->14         started        process3 file4 35 C:\Users\...\SecurityHealthService.exe.log, CSV 8->35 dropped 51 Encrypted powershell cmdline option found 8->51 16 powershell.exe 14 18 8->16         started        21 WerFault.exe 3 10 12->21         started        23 WerFault.exe 10 12->23         started        signatures5 process6 dnsIp7 37 cdn.discordapp.com 162.159.133.233, 443, 49722 CLOUDFLARENETUS United States 16->37 33 C:\Users\user\AppData\...\asdkljasdfsad.exe, PE32 16->33 dropped 49 Powershell drops PE file 16->49 25 asdkljasdfsad.exe 3 16->25         started        28 conhost.exe 16->28         started        file8 signatures9 process10 signatures11 53 Multi AV Scanner detection for dropped file 25->53 55 Detected unpacking (changes PE section rights) 25->55 57 Machine Learning detection for dropped file 25->57 30 RegAsm.exe 2 25->30         started        process12 dnsIp13 39 85.105.88.221, 2531 TTNETTR Turkey 30->39
Threat name:
ByteCode-MSIL.Downloader.PsDownload
Status:
Malicious
First seen:
2022-11-08 00:18:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
  3/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:system guard runtime rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
85.105.88.221:2531
Unpacked files
SH256 hash:
d79ce2dede3d6ebedc5be7388c9139fdcc0282a894b60af4220030d1dccf796a
MD5 hash:
8d713c7aa63e082b7ac9b1063dc1da93
SHA1 hash:
a38471760f16090e5ab1a70417a6ac165c469c5b
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Encoded_Discord_Attachment_Oct21_1
Author:Florian Roth
Description:Detects suspicious encoded URL to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information


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

Comments