MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f41360c7779e6656ec89fdfa40ae58b619d80dd27286802a9e902ab9dde19152. 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 1 YARA 11 File information Comments

SHA256 hash: f41360c7779e6656ec89fdfa40ae58b619d80dd27286802a9e902ab9dde19152
SHA3-384 hash: 2feaa991c0cae2eba5aeeb2b63422a2609325bfd54356c007b51caa11c55875d76bb6b39b44eec304164c9ba28796383
SHA1 hash: 0ba6c448dd8566a1196e642ef1d834d55bf6e3e6
MD5 hash: 982f97ccf89f9d50dbc5d152c7139a50
humanhash: network-illinois-equal-illinois
File name:triage_dropped_file
Download: download sample
Signature AsyncRAT
File size:176'640 bytes
First seen:2022-06-30 13:39:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 384:pqO4xCWEdzY/ngbfTIr4Cq9/KsMn2xjVBjN4IXQxxkSlSlSlSlSlKlfalfalfalA:pqO42zIgbXA2BvGzhVCN
Threatray 4'100 similar samples on MalwareBazaar
TLSH T11A04C323B17CC5E6F8AC3DF45A1997642AB06E920239F157E94FBDC6E8B3223C2445C5
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)
File icon (PE):PE icon
dhash icon 59dadadcdcdad758 (26 x AgentTesla, 2 x AsyncRAT, 1 x SnakeKeylogger)
Reporter malwarelabnet
Tags:AsyncRAT exe

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
62.197.136.167:8808 https://threatfox.abuse.ch/ioc/740126/

Intelligence


File Origin
# of uploads :
1
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed wacatac
Result
Verdict:
UNKNOWN
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
.NET source code contains potential unpacker
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
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)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 655117 Sample: triage_dropped_file Startdate: 30/06/2022 Architecture: WINDOWS Score: 100 59 Snort IDS alert for network traffic 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 6 other signatures 2->65 7 triage_dropped_file.exe 16 7 2->7         started        12 Aeigqqh.exe 2->12         started        14 Aeigqqh.exe 2->14         started        process3 dnsIp4 57 46.249.35.196, 49764, 49803, 49832 SERVERIUS-ASNL Netherlands 7->57 47 C:\Users\user\AppData\Roaming\...\Aeigqqh.exe, PE32 7->47 dropped 49 C:\Users\user\...\Aeigqqh.exe:Zone.Identifier, ASCII 7->49 dropped 51 C:\Users\user\...\triage_dropped_file.exe.log, ASCII 7->51 dropped 67 Encrypted powershell cmdline option found 7->67 69 Writes to foreign memory regions 7->69 71 Injects a PE file into a foreign processes 7->71 16 InstallUtil.exe 2 7->16         started        19 powershell.exe 14 7->19         started        21 powershell.exe 15 7->21         started        23 backgroundTaskHost.exe 1 14 7->23         started        73 Multi AV Scanner detection for dropped file 12->73 75 Machine Learning detection for dropped file 12->75 25 powershell.exe 12->25         started        27 powershell.exe 12->27         started        29 InstallUtil.exe 12->29         started        31 powershell.exe 14->31         started        33 powershell.exe 14->33         started        file5 signatures6 process7 dnsIp8 53 62.197.136.167, 1111, 49796 SPRINTLINKUS Netherlands 16->53 55 127.0.0.1 unknown unknown 16->55 35 conhost.exe 19->35         started        37 conhost.exe 21->37         started        39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        43 conhost.exe 31->43         started        45 conhost.exe 33->45         started        process9
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-06-30 09:35:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
21 of 40 (52.50%)
Threat level:
  2/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default persistence rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Async RAT payload
AsyncRat
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
127.0.0.1:1111
62.197.136.167:6606
62.197.136.167:7707
62.197.136.167:8808
62.197.136.167:1111
Unpacked files
SH256 hash:
f41360c7779e6656ec89fdfa40ae58b619d80dd27286802a9e902ab9dde19152
MD5 hash:
982f97ccf89f9d50dbc5d152c7139a50
SHA1 hash:
0ba6c448dd8566a1196e642ef1d834d55bf6e3e6
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:pe_imphash
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: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

File information


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

Comments