MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efb6116d07d3085f40721147b6bb9582cc557d5f3c758ddc750b0fbba6556e63. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: efb6116d07d3085f40721147b6bb9582cc557d5f3c758ddc750b0fbba6556e63
SHA3-384 hash: 98f81f6edf9749c85899e44a6ad11faaf1970dabdcdaf1078e6104c95e6f20ad493a0b1b64d771ae9a65f7f8bb21a6c4
SHA1 hash: 2411f99186f25b046fa5e7dc4270e420c45f97ae
MD5 hash: 276c076b27b42d32c082afc859f8f439
humanhash: oranges-low-oklahoma-don
File name:HEUR-Backdoor.MSIL.Bladabindi.gen-efb6116d07d.exe
Download: download sample
Signature AsyncRAT
File size:194'560 bytes
First seen:2022-11-12 11:25:25 UTC
Last seen:2022-11-12 12:52:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 3072:Y6hDz7yzcRDW4SQHsSywjCbMeqSJvmumiNa1LKI9aOXRkjHhQa+a6z:YevEcRDWPviCKabmLKI9JSQa+a
TLSH T1F5149D0B76588701D96466B5C1EF283153D2AECB5A33E6D53F0C6BCE6D91BA3CD80B09
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:
91.109.188.7:6606

Intelligence


File Origin
# of uploads :
2
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
HEUR-Backdoor.MSIL.Bladabindi.gen-efb6116d07d.exe
Verdict:
Malicious activity
Analysis date:
2022-11-12 11:26:14 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
Sending a custom TCP request
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
Enabling the 'hidden' option for recently created files
Using the Windows Management Instrumentation requests
Enabling the 'hidden' option for analyzed file
Сreating synchronization primitives
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:
bladabindi packed razy
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, PhoenixRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
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
Yara detected PhoenixRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 744519 Sample: HEUR-Backdoor.MSIL.Bladabin... Startdate: 12/11/2022 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus / Scanner detection for submitted sample 2->62 64 8 other signatures 2->64 9 ccleanar.exe 8 2->9         started        13 HEUR-Backdoor.MSIL.Bladabindi.gen-efb6116d07d.exe 7 2->13         started        process3 file4 50 C:\Windows\SysWOW64\config\...\ccleanar.exe, PE32 9->50 dropped 72 Antivirus detection for dropped file 9->72 74 Multi AV Scanner detection for dropped file 9->74 76 Machine Learning detection for dropped file 9->76 15 cmd.exe 1 9->15         started        18 cmd.exe 1 9->18         started        52 C:\Users\user\AppData\Roaming\ccleanar.exe, PE32 13->52 dropped 54 HEUR-Backdoor.MSIL...efb6116d07d.exe.log, ASCII 13->54 dropped 20 cmd.exe 1 13->20         started        22 cmd.exe 1 13->22         started        signatures5 process6 signatures7 78 Drops executables to the windows directory (C:\Windows) and starts them 15->78 24 ccleanar.exe 4 15->24         started        42 2 other processes 15->42 28 conhost.exe 18->28         started        30 schtasks.exe 1 18->30         started        80 Uses schtasks.exe or at.exe to add and modify task schedules 20->80 32 conhost.exe 20->32         started        34 schtasks.exe 1 20->34         started        36 ccleanar.exe 2 22->36         started        38 conhost.exe 22->38         started        40 timeout.exe 1 22->40         started        process8 dnsIp9 66 Antivirus detection for dropped file 24->66 68 Multi AV Scanner detection for dropped file 24->68 70 Machine Learning detection for dropped file 24->70 44 cmd.exe 24->44         started        56 milla.publicvm.com 91.109.188.7, 49692, 49699, 7707 IELOIELOMainNetworkFR France 36->56 signatures10 process11 process12 46 conhost.exe 44->46         started        48 schtasks.exe 44->48         started       
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-06-23 21:37:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
26 of 41 (63.41%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat
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
Loads dropped DLL
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:
05620e7d89c80f26550b95a8ffe331b0823552b374c233d3ff9265f5bb838aef
MD5 hash:
b0eeebd6d0cfc77fd864f0c55a37f8ec
SHA1 hash:
5185d550ca8114f5256e3b030841f596cb5def3c
Detections:
win_asyncrat_w0
SH256 hash:
efb6116d07d3085f40721147b6bb9582cc557d5f3c758ddc750b0fbba6556e63
MD5 hash:
276c076b27b42d32c082afc859f8f439
SHA1 hash:
2411f99186f25b046fa5e7dc4270e420c45f97ae
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments