MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db91a1f06b3434c3f86c3df429e05e39d988bc929f9c7762c4f3215a2d56fe5a. 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: 15


Intelligence 15 IOCs 1 YARA 11 File information Comments

SHA256 hash: db91a1f06b3434c3f86c3df429e05e39d988bc929f9c7762c4f3215a2d56fe5a
SHA3-384 hash: f056490132c94e433efff813c81a9f324401255d053e9452bc2e20f367b08df02bbf53b813805a392a96d5844bcc7a52
SHA1 hash: 27943a8694e714b4d1c0a2ce13613ca3597fc629
MD5 hash: 24629f46db685706bb7b29e1a34892c4
humanhash: princess-whiskey-jersey-moon
File name:24629f46db685706bb7b29e1a34892c4.exe
Download: download sample
Signature AsyncRAT
File size:84'480 bytes
First seen:2022-09-30 00:53:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:mCBJ3yLqdwJt6Gv3qON+eSZPCJJNrXH80+YvtzQ8Pg6Yf9SS:mCe+WuGv3qk+e5sL8o3f9b
TLSH T1218301214FD862D8E6794BB9167177058776D119DABBC27D0E6B500B3E83608CE323DB
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
20.111.19.215:3152

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
20.111.19.215:3152 https://threatfox.abuse.ch/ioc/858596/

Intelligence


File Origin
# of uploads :
1
# of downloads :
311
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% subdirectories
Launching a process
Running batch commands
Creating a file
Creating a window
Сreating synchronization primitives
Sending a custom TCP request
Using the Windows Management Instrumentation requests
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:
azorult 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
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 713128 Sample: hBQsiqV3yC.exe Startdate: 30/09/2022 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 8 other signatures 2->46 8 hBQsiqV3yC.exe 5 2->8         started        process3 file4 34 C:\Users\user\...\Windows Sheel Host.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\...\hBQsiqV3yC.exe.log, ASCII 8->36 dropped 48 Writes to foreign memory regions 8->48 50 Allocates memory in foreign processes 8->50 52 Injects a PE file into a foreign processes 8->52 12 cmd.exe 1 8->12         started        15 RegAsm.exe 3 8->15         started        17 powershell.exe 1 21 8->17         started        signatures5 process6 signatures7 54 Uses schtasks.exe or at.exe to add and modify task schedules 12->54 19 conhost.exe 12->19         started        21 schtasks.exe 1 12->21         started        23 RegAsm.exe 2 15->23         started        26 powershell.exe 7 15->26         started        28 RegAsm.exe 15->28         started        30 conhost.exe 17->30         started        process8 dnsIp9 38 20.111.19.215, 3152, 49693 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 23->38 32 conhost.exe 26->32         started        process10
Threat name:
ByteCode-MSIL.Hacktool.ResInject
Status:
Malicious
First seen:
2022-09-26 23:50:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
35 of 41 (85.37%)
Threat level:
  1/5
Verdict:
malicious
Label(s):
asyncrat
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:windows sheel host persistence rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
20.111.19.215:3152
Unpacked files
SH256 hash:
ff16e4a7e32e6b3b46ae74e88314208fc036ea024357f62278f9deda87827c53
MD5 hash:
87fba53bf7a276e219a7dd5579fcae95
SHA1 hash:
f3d7f59910deccaaf73c6b1c9920e68a2b3acea3
Detections:
AsyncRAT win_asyncrat_w0
SH256 hash:
91ac9a37139301bfc5c8f08e0eaa6c866d71c959f592a8b0bbe3c8aad469a535
MD5 hash:
b27310d84d92e6a3a6faf701eb07c128
SHA1 hash:
076af27db10b4f500b580da9ffe98244fc48e2cc
SH256 hash:
db91a1f06b3434c3f86c3df429e05e39d988bc929f9c7762c4f3215a2d56fe5a
MD5 hash:
24629f46db685706bb7b29e1a34892c4
SHA1 hash:
27943a8694e714b4d1c0a2ce13613ca3597fc629
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