MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f15bf4c786172149ed0b9e57b08c695b01095b9167de714ea61768f021ae9ff0. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f15bf4c786172149ed0b9e57b08c695b01095b9167de714ea61768f021ae9ff0
SHA3-384 hash: e2740c5b777457404add9ecea4f8433719af28e79a7153c86b452936a3fde65e2e97d1f6126f7a5a602fc634d143bda5
SHA1 hash: 06903d21649e7fce52a881b3d3bcfa98e7e35535
MD5 hash: f609a8af3c0d5ed6ac2d83907b32bd53
humanhash: hydrogen-carolina-fillet-sixteen
File name:f609a8af3c0d5ed6ac2d83907b32bd53.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:182'784 bytes
First seen:2022-09-25 16:41:09 UTC
Last seen:2022-09-25 20:03:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 3072:fmm0fcadeI25kvhOtDnCb5/OKsDjRCiiMuJ9HKb0zpMqxAEE4zYYU7:u3eIVmzCkRbuTHKRD
Threatray 2'939 similar samples on MalwareBazaar
TLSH T17E040284FBD15C5BDA129BB44BE7A31C3378DB061FABCF1B241491FA6C523E05E264A4
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 00868ecccce8cc50 (2 x EternityStealer, 1 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
241
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/313227/
Detection(s):
SecuriteInfo.com.Mal.Generic-S.9884.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm packed
Link:
https://www.filescan.io/uploads/633084e773bbffe3a789eb93/reports/e45f07fd-328c-48db-ba8c-992b8721d95f/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/73699b29-9eeb-4417-8b0c-03ce521781ce
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1076923
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 709464 Sample: 6UehABuMnu.exe Startdate: 25/09/2022 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for dropped file 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 6 other signatures 2->43 7 6UehABuMnu.exe 16 7 2->7         started        12 Pbpoueccs.exe 14 2 2->12         started        14 Pbpoueccs.exe 2 2->14         started        process3 dnsIp4 35 85.192.63.240, 49708, 49711, 49712 LINEGROUP-ASRU Russian Federation 7->35 29 C:\Users\user\AppData\...\Pbpoueccs.exe, PE32 7->29 dropped 31 C:\Users\...\Pbpoueccs.exe:Zone.Identifier, ASCII 7->31 dropped 33 C:\Users\user\AppData\...\6UehABuMnu.exe.log, ASCII 7->33 dropped 45 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 7->45 47 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->47 49 Encrypted powershell cmdline option found 7->49 51 Injects a PE file into a foreign processes 7->51 16 6UehABuMnu.exe 2 7->16         started        19 powershell.exe 16 7->19         started        21 6UehABuMnu.exe 7->21         started        53 Multi AV Scanner detection for dropped file 12->53 55 Machine Learning detection for dropped file 12->55 file5 signatures6 process7 file8 25 C:\Users\user\AppData\Local\...\wfkfh.exe, PE32 16->25 dropped 27 C:\Users\user\...\wfkfh.exe:Zone.Identifier, ASCII 16->27 dropped 23 conhost.exe 19->23         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f15bf4c786172149ed0b9e57b08c695b01095b9167de714ea61768f021ae9ff0/
Threat name:
ByteCode-MSIL.Trojan.Scarsi
Create hunting rule
Status:
Malicious
First seen:
2022-09-25 15:02:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6fn7jr4gc4qut3iltzl3bddjlmaqsw4rm7phctvgc5upainot7ya._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
8228980582876a9da9e46304e1a738af7485b0c7992c9daf30004d8bab1c3b9d
AsyncRAT
94c64f12afd02a13f709021efe6a3676f92ee6ea68ea91b67e476ba603c0b79b
AsyncRAT
a0baf98ce28c1245d78159191bd0fafaf80c8c6b76b5e80b43bea8874af910a9
AsyncRAT
c0be7072ca0ea43fce4807bf70d62db6d8d8724ff836c9e706722336ecbfd1bc
AsyncRAT
cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db
AsyncRAT
d9837c768f392a3bb98836aedc39c89e1b0641f1b51949d744bfb1a128cb23aa
AsyncRAT
f4d615d355758ca68e3948655172d591d87a137671cb3c8cf0ebc367d1764494
AsyncRAT
+ 2'929 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/220925-t7n99agfcl/
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
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/479b65d1-cfe7-4a56-b95c-81b0ef4c5a53
Unpacked files
SH256 hash:
f15bf4c786172149ed0b9e57b08c695b01095b9167de714ea61768f021ae9ff0
MD5 hash:
f609a8af3c0d5ed6ac2d83907b32bd53
SHA1 hash:
06903d21649e7fce52a881b3d3bcfa98e7e35535
Link:
https://www.unpac.me/results/3561f070-5bd0-4fe4-8a96-61276a57a1c3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f15bf4c78617/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/f15bf4c786172149ed0b9e57b08c695b01095b9167de714ea61768f021ae9ff0

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

AsyncRAT

Executable exe f15bf4c786172149ed0b9e57b08c695b01095b9167de714ea61768f021ae9ff0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2313560/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/313227/

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