MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e6f0283036672588e88f985e2b4bd4784bb3bab373ba07630d25b6779063f03c. 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: 14


Intelligence 14 IOCs 1 YARA 11 File information Comments

SHA256 hash: e6f0283036672588e88f985e2b4bd4784bb3bab373ba07630d25b6779063f03c
SHA3-384 hash: c537a03db4c6fdaa9cc1e284788b3954518fc49e4ebb70c19fb819ba9ec746ca65fb1c01b763b52c58da719a52124b95
SHA1 hash: 66df3abe410de08e1f8bbc9c7b578a4976a3779f
MD5 hash: a2a1ec32758c6f5c529f644fd2cf318e
humanhash: west-july-helium-summer
File name:a2a1ec32758c6f5c529f644fd2cf318e.exe
Download: download sample
Signature AsyncRAT
File size:73'728 bytes
First seen:2022-10-07 13:46:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:Uov5MNQ9AUVebWrSRzxrEH3mEr5KmVcl:Uov5MNQ6UVebWAxSmE9K8Y
Threatray 5'376 similar samples on MalwareBazaar
TLSH T1BD730B143BE9813BE1BE5F785CF26141867BE2633603D94A3CC811D75B13BC69A426EE
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
91.109.188.8:7707

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
91.109.188.8:7707 https://threatfox.abuse.ch/ioc/872222/

Intelligence


File Origin
# of uploads :
1
# of downloads :
330
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat coinminer dcrat fareit njrat overlay rat samas
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates files in the system32 config directory
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: 718365 Sample: 2MLuUEOJA9.exe Startdate: 07/10/2022 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 7 other signatures 2->58 7 facaboooke.exe 8 2->7         started        11 2MLuUEOJA9.exe 7 2->11         started        process3 file4 42 C:\Windows\System32\config\...\facaboooke.exe, PE32 7->42 dropped 66 Antivirus detection for dropped file 7->66 68 Multi AV Scanner detection for dropped file 7->68 70 Creates files in the system32 config directory 7->70 72 Machine Learning detection for dropped file 7->72 13 cmd.exe 1 7->13         started        16 cmd.exe 1 7->16         started        44 C:\Users\user\AppData\...\facaboooke.exe, PE32 11->44 dropped 46 C:\Users\user\AppData\...\2MLuUEOJA9.exe.log, CSV 11->46 dropped 18 cmd.exe 1 11->18         started        20 cmd.exe 1 11->20         started        signatures5 process6 signatures7 74 Drops executables to the windows directory (C:\Windows) and starts them 13->74 22 facaboooke.exe 2 13->22         started        40 2 other processes 13->40 26 conhost.exe 16->26         started        28 schtasks.exe 1 16->28         started        76 Uses schtasks.exe or at.exe to add and modify task schedules 18->76 30 conhost.exe 18->30         started        32 schtasks.exe 1 18->32         started        34 facaboooke.exe 1 2 20->34         started        36 conhost.exe 20->36         started        38 timeout.exe 1 20->38         started        process8 dnsIp9 60 Antivirus detection for dropped file 22->60 62 Multi AV Scanner detection for dropped file 22->62 64 Machine Learning detection for dropped file 22->64 48 milla.publicvm.com 91.109.188.8, 49699, 49701, 49703 IELOIELOMainNetworkFR France 34->48 50 192.168.2.1 unknown unknown 34->50 signatures10
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2022-10-02 16:13:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
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
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
milla.publicvm.com:6606
milla.publicvm.com:7707
milla.publicvm.com:8808
Unpacked files
SH256 hash:
e6f0283036672588e88f985e2b4bd4784bb3bab373ba07630d25b6779063f03c
MD5 hash:
a2a1ec32758c6f5c529f644fd2cf318e
SHA1 hash:
66df3abe410de08e1f8bbc9c7b578a4976a3779f
Detections:
win_asyncrat_w0
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