MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c5894b293a7ea612ffea6f5705fcee4f1e337693c908a36b8c0d523e5cae05d. 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: 10


Intelligence 10 IOCs 1 YARA 3 File information Comments

SHA256 hash: 5c5894b293a7ea612ffea6f5705fcee4f1e337693c908a36b8c0d523e5cae05d
SHA3-384 hash: f533362cf9bbd7796be65eb0035ea357fd47d088e1fd8eb5b94e1732eea8b4bee0e38eb94aeb1a37806e8326481ad732
SHA1 hash: 65e4ccf65a46fcb0196934a8fc36fb61ba764d45
MD5 hash: 81fa50d3cac164544943c9a5070c9c59
humanhash: nitrogen-may-helium-burger
File name:81fa50d3cac164544943c9a5070c9c59.exe
Download: download sample
Signature AsyncRAT
File size:10'752 bytes
First seen:2022-08-08 01:16:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 192:CzzB5p26zADEywy1f8b584YcekKur0M1Y4:C/p26mCyf85rYcBrFt
Threatray 3'054 similar samples on MalwareBazaar
TLSH T1C6220A00E3E88172D67A0BB768A717818777E713991ADA9EB48C611BBF7220243537E0
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 abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
18.192.31.165:13820

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
18.192.31.165:13820 https://threatfox.abuse.ch/ioc/841833/

Intelligence


File Origin
# of uploads :
1
# of downloads :
339
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Creating a file
Searching for the window
Searching for synchronization primitives
Creating a file in the %temp% directory
Modifying a system executable file
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Running batch commands
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
80%
Tags:
packed tiny wacatac
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Drops executables to the windows directory (C:\Windows) and starts them
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
Snort IDS alert for network traffic
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: 680109 Sample: j4SGb5BB2X.exe Startdate: 08/08/2022 Architecture: WINDOWS Score: 100 68 Snort IDS alert for network traffic 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus / Scanner detection for submitted sample 2->72 74 6 other signatures 2->74 10 j4SGb5BB2X.exe 15 5 2->10         started        process3 dnsIp4 58 github.com 140.82.121.4, 443, 49742 GITHUBUS United States 10->58 60 raw.githubusercontent.com 185.199.108.133, 443, 49743 FASTLYUS Netherlands 10->60 52 C:\Windows\security\Win32.exe, PE32 10->52 dropped 54 C:\Users\user\AppData\...\j4SGb5BB2X.exe.log, ASCII 10->54 dropped 94 Drops executables to the windows directory (C:\Windows) and starts them 10->94 15 Win32.exe 3 7 10->15         started        file5 signatures6 process7 dnsIp8 62 192.168.2.1 unknown unknown 15->62 46 C:\Users\user\Desktop\123123.exe, PE32 15->46 dropped 64 Multi AV Scanner detection for dropped file 15->64 66 Machine Learning detection for dropped file 15->66 20 123123.exe 5 15->20         started        24 AcroRd32.exe 15 37 15->24         started        file9 signatures10 process11 file12 48 C:\Users\user\...\Client.exe-ROSED_Inx.exe, PE32 20->48 dropped 76 Antivirus detection for dropped file 20->76 78 Multi AV Scanner detection for dropped file 20->78 80 Machine Learning detection for dropped file 20->80 26 Client.exe-ROSED_Inx.exe 7 20->26         started        30 RdrCEF.exe 82 24->30         started        signatures13 process14 file15 50 C:\Users\user\AppData\Roaming\Win32.exe, PE32 26->50 dropped 86 Antivirus detection for dropped file 26->86 88 Multi AV Scanner detection for dropped file 26->88 90 Machine Learning detection for dropped file 26->90 92 Uses schtasks.exe or at.exe to add and modify task schedules 26->92 32 cmd.exe 26->32         started        34 schtasks.exe 26->34         started        signatures16 process17 process18 36 Win32.exe 32->36         started        40 conhost.exe 32->40         started        42 timeout.exe 32->42         started        44 conhost.exe 34->44         started        dnsIp19 56 0.tcp.eu.ngrok.io 3.124.142.205, 13820, 49761 AMAZON-02US United States 36->56 82 Antivirus detection for dropped file 36->82 84 Machine Learning detection for dropped file 36->84 signatures20
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Status:
Malicious
First seen:
2022-08-05 00:46:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
11 of 26 (42.31%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
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
Drops file in Windows directory
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Downloads MZ/PE file
Executes dropped EXE
Async RAT payload
AsyncRat
Unpacked files
SH256 hash:
5c5894b293a7ea612ffea6f5705fcee4f1e337693c908a36b8c0d523e5cae05d
MD5 hash:
81fa50d3cac164544943c9a5070c9c59
SHA1 hash:
65e4ccf65a46fcb0196934a8fc36fb61ba764d45
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments