MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bac8a195188470d3d5d1b86de804bee0542c515e90a106919a90cbc70cc70412. 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: 13


Intelligence 13 IOCs 1 YARA 16 File information Comments

SHA256 hash: bac8a195188470d3d5d1b86de804bee0542c515e90a106919a90cbc70cc70412
SHA3-384 hash: d5e405dd06829a739681f7e2d3ec04b2e41d93890981ede080f611511eee04cd4b5850c9a2d573c5b76e2dc0eda2e448
SHA1 hash: ca9166497ef4308c990be711ee7d6ce9543547f5
MD5 hash: 473ae867d3d874667c6e8329a070e8a5
humanhash: lima-india-speaker-tennessee
File name:BAC8A195188470D3D5D1B86DE804BEE0542C515E90A10.exe
Download: download sample
Signature AsyncRAT
File size:1'048'576 bytes
First seen:2022-09-02 21:25:26 UTC
Last seen:2022-09-02 21:38:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:yY1mwJULBj6GtMOmtAX5kxV/7MxCDCwt7za7TIeNZYrTMZjwLEARyZO00pBcFhTf:NFaj6dtih0eG3a7jKQj6Ry5nFhU3
TLSH T1D925CA2C3A111671FF0DD87F9B500E37BB661F03228AB993579F26D6877B164BC04A98
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)
File icon (PE):PE icon
dhash icon 00d4e8b28ea28200 (1 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
181.71.216.22:7707

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
181.71.216.22:7707 https://threatfox.abuse.ch/ioc/847529/

Intelligence


File Origin
# of uploads :
2
# of downloads :
507
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
BAC8A195188470D3D5D1B86DE804BEE0542C515E90A10.exe
Verdict:
Malicious activity
Analysis date:
2022-09-02 21:27:25 UTC
Tags:
trojan rat asyncrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Launching a process
Using the Windows Management Instrumentation requests
Running batch commands
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm obfuscated overlay 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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Binary or sample is protected by dotNetProtector
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 696900 Sample: BAC8A195188470D3D5D1B86DE80... Startdate: 02/09/2022 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Multi AV Scanner detection for domain / URL 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 11 other signatures 2->53 7 GtfVhy.exe 2 2->7         started        10 BAC8A195188470D3D5D1B86DE804BEE0542C515E90A10.exe 3 2->10         started        process3 signatures4 57 Antivirus detection for dropped file 7->57 59 Multi AV Scanner detection for dropped file 7->59 61 Machine Learning detection for dropped file 7->61 63 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->63 12 cmd.exe 1 7->12         started        14 cmd.exe 1 7->14         started        16 RegAsm.exe 3 7->16         started        65 Writes to foreign memory regions 10->65 67 Tries to delay execution (extensive OutputDebugStringW loop) 10->67 69 Injects a PE file into a foreign processes 10->69 18 cmd.exe 3 10->18         started        21 cmd.exe 1 10->21         started        24 RegAsm.exe 2 10->24         started        process5 dnsIp6 27 conhost.exe 12->27         started        29 schtasks.exe 1 12->29         started        31 conhost.exe 14->31         started        39 C:\Users\user\AppData\Local\...behaviorgraphtfVhy.exe, PE32 18->39 dropped 41 C:\Users\user\...behaviorgraphtfVhy.exe:Zone.Identifier, ASCII 18->41 dropped 33 conhost.exe 18->33         started        55 Uses schtasks.exe or at.exe to add and modify task schedules 21->55 35 conhost.exe 21->35         started        37 schtasks.exe 1 21->37         started        43 ploxtermaster.duckdns.org 181.71.216.22, 49716, 7707 ColombiaMovilCO Colombia 24->43 45 windowsupdatebg.s.llnwi.net 24->45 file7 signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-09-02 02:06:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:col rat
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
ploxtermaster.duckdns.org:6606
ploxtermaster.duckdns.org:7707
ploxtermaster.duckdns.org:8808
Unpacked files
SH256 hash:
3a788c3b5d16dc2ee696a12458eb7ecdc27c15a1b903afb9b221cfbb312fe2ef
MD5 hash:
802fd88a86ad25903f3cb75b8d909772
SHA1 hash:
c08be740d0936d78e624aa183e18e303b3293746
Detections:
win_asyncrat_w0 AsyncRAT
SH256 hash:
bac8a195188470d3d5d1b86de804bee0542c515e90a106919a90cbc70cc70412
MD5 hash:
473ae867d3d874667c6e8329a070e8a5
SHA1 hash:
ca9166497ef4308c990be711ee7d6ce9543547f5
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_EXE_Packed_Babel
Author:ditekSHen
Description:Detects executables packed with Babel
Rule name:INDICATOR_EXE_Packed_Dotfuscator
Author:ditekSHen
Description:Detects executables packed with Dotfuscator
Rule name:INDICATOR_EXE_Packed_dotNetProtector
Author:ditekSHen
Description:Detects executables packed with dotNetProtector
Rule name:INDICATOR_EXE_Packed_Goliath
Author:ditekSHen
Description:Detects executables packed with Goliath
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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