MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6fc5883456ca655a74a91c3127486ab5c21186308fdebfca4ec9035e09d7069a. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6fc5883456ca655a74a91c3127486ab5c21186308fdebfca4ec9035e09d7069a
SHA3-384 hash: 4afcfcc6fc2065824d5fa9fb2b59e3015fb02456e4fbe124b5aa54884a17970b07aba899d08ace4648cfc16e46e5350d
SHA1 hash: ccbd2b7b1dc9688098636bf4a778ae1e5e90dd17
MD5 hash: e8032d887188081e383a6ebd6dbcd33a
humanhash: quebec-equal-failed-neptune
File name:e8032d887188081e383a6ebd6dbcd33a
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:74'752 bytes
First seen:2022-07-01 19:36:49 UTC
Last seen:2022-07-01 20:52:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:jlbA3TtJuihw0hdolUbtMYo/+88Vf6G+aFgiiS2ZE:pbA3juiCEJtZo/+88V59FgiiS2C
Threatray 4'126 similar samples on MalwareBazaar
TLSH T165739D82BA46C621C5280133E867C1E10A75BD47F902A5EB7CA4BF1F7A722763275D27
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 233b0b1b333b0b23 (1 x AsyncRAT)
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
278
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/285015/
Detection(s):
SecuriteInfo.com.Trojan.DownLoaderNET.410.19914.25846.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62bf4d2095a8514e298f5420/reports/98cbbf7a-0c35-4dd6-9ca0-e15d7c076df2/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f47311a8-45c6-4c86-a314-ebf75c951d1c
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1023393
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 domain / URL
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)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 655888 Sample: 42nFBTuxEC Startdate: 01/07/2022 Architecture: WINDOWS Score: 100 71 Snort IDS alert for network traffic 2->71 73 Multi AV Scanner detection for domain / URL 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 12 other signatures 2->77 7 42nFBTuxEC.exe 16 6 2->7         started        12 tej.exe 2->12         started        14 tej.exe 14 4 2->14         started        process3 dnsIp4 57 sn-files.fe.1drv.com 7->57 65 2 other IPs or domains 7->65 49 C:\Users\user\AppData\Roaming\...\tej.exe, PE32 7->49 dropped 51 C:\Users\user\...\tej.exe:Zone.Identifier, ASCII 7->51 dropped 53 C:\Users\user\AppData\...\42nFBTuxEC.exe.log, ASCII 7->53 dropped 79 Encrypted powershell cmdline option found 7->79 81 Injects a PE file into a foreign processes 7->81 16 42nFBTuxEC.exe 2 7->16         started        19 powershell.exe 18 7->19         started        21 powershell.exe 14 7->21         started        59 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49705 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 12->59 61 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49704 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 12->61 67 3 other IPs or domains 12->67 83 Writes to foreign memory regions 12->83 23 powershell.exe 12->23         started        25 MpCmdRun.exe 12->25         started        31 2 other processes 12->31 63 sn-files.fe.1drv.com 14->63 69 2 other IPs or domains 14->69 27 powershell.exe 14->27         started        29 powershell.exe 14->29         started        33 2 other processes 14->33 file5 signatures6 process7 dnsIp8 55 63.141.237.188, 49698, 9954 NOCIXUS United States 16->55 35 conhost.exe 19->35         started        37 conhost.exe 21->37         started        39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 27->43         started        45 conhost.exe 29->45         started        47 conhost.exe 31->47         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6fc5883456ca655a74a91c3127486ab5c21186308fdebfca4ec9035e09d7069a/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-30 16:00:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n7cyqncwzjsvu5fjdqysosdkwxbbdbrqr7pl7ssozebv4coxa2na._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
1299373ec40fc1f3f16957338574a9ad51a94e62220cc8c08f1ad81dee443544
AsyncRAT
16fc0cec13d88da3d0a36e4c42e733db8f1e21cafc18fd813a25cd0bc835f35a
AsyncRAT
2e75072eae7fa044b3ee05b2ba378823bbfa3091ceb5612f33b637c0d0764a21
AsyncRAT
438e8f8d626ca18bb5fbd3499cad058033b199c865badba6415e362d5b8dcd49
AsyncRAT
4964c618368217328e5fb70c84e047f18e5027ae0e6ea984b1b96c38ffad77c7
AsyncRAT
6527e25f86c1902c430fc0e52769359f831365969c35fc12ef837b7b63fcc939
AsyncRAT
f0e61a30a68cacde89ef636511dfae2b488bcbe9b47053c3afc0718d66324f70
AsyncRAT
f85fb30beeceb9e2721aa12deee155bb604c0a364f926da18644af7e6e5c7a25
AsyncRAT
f8d60cc318fc750f965180766b7edb64a81d86845b27b23f8d7bb0296adea2b7
AsyncRAT
+ 4'116 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default persistence rat suricata
Link:
https://tria.ge/reports/220701-ybsd9acce2/
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
Async RAT payload
AsyncRat
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
vivald21.hopto.org:9954
63.141.237.188:9954
Unpacked files
SH256 hash:
6fc5883456ca655a74a91c3127486ab5c21186308fdebfca4ec9035e09d7069a
MD5 hash:
e8032d887188081e383a6ebd6dbcd33a
SHA1 hash:
ccbd2b7b1dc9688098636bf4a778ae1e5e90dd17
Link:
https://www.unpac.me/results/53b701a0-e7a2-4d8d-ad65-d0cd4d1979c5/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6fc5883456ca/report/overview.html
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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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 6fc5883456ca655a74a91c3127486ab5c21186308fdebfca4ec9035e09d7069a

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2253093/
Cape
Cape
https://www.capesandbox.com/analysis/285015/

Comments


Avatar
zbet commented on 2022-07-01 19:36:54 UTC

url : hxxp://13.49.75.32/fev/hywqxk.exe