MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c93a8baad36582fc39a18d4dba81b64f61dbf026819a18182153518d86f35369. 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 4 File information Comments

SHA256 hash: c93a8baad36582fc39a18d4dba81b64f61dbf026819a18182153518d86f35369
SHA3-384 hash: ad557a8c1ee2b0a8b661f8038aed79aab2fefb1665313ec13658138ea0d0918cd3fffac2db83f4fbb436aa2eb9a29a23
SHA1 hash: 45b44cba659447299d25967bad5fe7e8d71562fb
MD5 hash: 52c2ff328e7038d4f71824a94b83648a
humanhash: bravo-nevada-lemon-triple
File name:C93A8BAAD36582FC39A18D4DBA81B64F61DBF026819A1.exe
Download: download sample
Signature AsyncRAT
File size:125'952 bytes
First seen:2022-06-28 19:03:27 UTC
Last seen:2022-06-28 19:39:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:ZZsqhCfUQwS3YOnEWMwsxlC+Sn2ERqab0h:ZqqMfU/sMwsxl1aK
TLSH T1D8C3018DF86CF14FC51ACAB9D2D13E504E64296A1F0FD25B780720945E4DB934F2B2A3
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:
185.237.96.105:7707

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
185.237.96.105:7707 https://threatfox.abuse.ch/ioc/732421/

Intelligence


File Origin
# of uploads :
2
# of downloads :
455
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
asyncrat confuserex nanocore packed
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
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Protects its processes via BreakOnTermination flag
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 653957 Sample: C93A8BAAD36582FC39A18D4DBA8... Startdate: 28/06/2022 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 4 other signatures 2->48 7 C93A8BAAD36582FC39A18D4DBA81B64F61DBF026819A1.exe 7 2->7         started        process3 file4 28 C:\Users\user\...\MicrosoftPlatformUpdate.exe, PE32 7->28 dropped 30 C93A8BAAD36582FC39...DBF026819A1.exe.log, ASCII 7->30 dropped 50 Protects its processes via BreakOnTermination flag 7->50 52 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->52 11 cmd.exe 1 7->11         started        13 cmd.exe 1 7->13         started        signatures5 process6 signatures7 16 MicrosoftPlatformUpdate.exe 2 11->16         started        20 conhost.exe 11->20         started        22 timeout.exe 1 11->22         started        54 Uses schtasks.exe or at.exe to add and modify task schedules 13->54 24 conhost.exe 13->24         started        26 schtasks.exe 1 13->26         started        process8 dnsIp9 32 185.237.96.105, 49741, 7707 CLOUDWEBMANAGE-IL-FRGB Netherlands 16->32 34 Antivirus detection for dropped file 16->34 36 Multi AV Scanner detection for dropped file 16->36 38 Protects its processes via BreakOnTermination flag 16->38 40 Machine Learning detection for dropped file 16->40 signatures10
Threat name:
ByteCode-MSIL.Trojan.Perseus
Status:
Malicious
First seen:
2022-05-22 16:45:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat suricata
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
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
AsyncRat
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Unpacked files
SH256 hash:
c93a8baad36582fc39a18d4dba81b64f61dbf026819a18182153518d86f35369
MD5 hash:
52c2ff328e7038d4f71824a94b83648a
SHA1 hash:
45b44cba659447299d25967bad5fe7e8d71562fb
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:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_NET_NAME_ConfuserEx
Author:Arnim Rupp
Description:Detects ConfuserEx packed file
Reference:https://github.com/yck1509/ConfuserEx

File information


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

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