MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c566df7033c0aafb582e41c0d9656f6292b5ee997ec4eaef85e752ba0722848f. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
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SHA256 hash: c566df7033c0aafb582e41c0d9656f6292b5ee997ec4eaef85e752ba0722848f
SHA3-384 hash: dbd70c19a909a94523e40b4ccd108bbf7f71ec6fe25c89d0ea61ab1b750b56d6c491d24c8b3e8ef1c39ffe15f7ba53ed
SHA1 hash: a8e2f6624881c5c8cbc1e644362ed49688b872c5
MD5 hash: 85a3957ddbe8ffbc35362fceedd53995
humanhash: pennsylvania-fish-violet-one
File name:c566df7033c0aafb582e41c0d9656f6292b5ee997ec4eaef85e752ba0722848f
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:1'134'592 bytes
First seen:2021-02-28 07:23:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'739 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:y8hC6y43u/6UnnxOC1PCZXOYLvqH1rmz4IX5kqavTdR9NHNziR1NpF52v19xxs3C:pC5PQJqRmz3XlGTv9lNziHN1nDBNziH
Threatray 481 similar samples on MalwareBazaar
TLSH F435CF873E80E67DE5BE4070A4D7CC3847A0FC665673820B79CB2A5F3958263DE066D6
Reporter JAMESWT_WT
Tags:AsyncRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
524
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c566df7033c0aafb582e41c0d9656f6292b5ee997ec4eaef85e752ba0722848f
Verdict:
Malicious activity
Analysis date:
2021-02-28 08:15:11 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/04bcccf2-49d6-45e2-a969-e20a21d26e69

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/119947/
Detection(s):
Win.Packed.Samas-8025724-0
Create hunting rule

Win.Packed.Razy-9625918-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Sending a UDP request
Creating a process from a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Launching the default Windows debugger (dwwin.exe)
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Launching a process
Sending a custom TCP request
Creating a window
Unauthorized injection to a recently created process
Enabling autorun by creating a file
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
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/620822
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Bypasses PowerShell execution policy
Drops PE files to the startup folder
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 359404 Sample: GPAEyvSLX5 Startdate: 28/02/2021 Architecture: WINDOWS Score: 100 74 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->74 76 Found malware configuration 2->76 78 Antivirus / Scanner detection for submitted sample 2->78 80 11 other signatures 2->80 11 GPAEyvSLX5.exe 6 2->11         started        14 cmderservice.exe 2 2->14         started        process3 file4 58 C:\Users\user\AppData\...\cmderservice.exe, PE32 11->58 dropped 60 C:\Users\user\AppData\...\ForcerX15+.exe, PE32 11->60 dropped 62 C:\Users\user\AppData\...behaviorgraphPAEyvSLX5.exe.log, ASCII 11->62 dropped 17 cmderservice.exe 7 11->17         started        21 ForcerX15+.exe 3 11->21         started        92 Multi AV Scanner detection for dropped file 14->92 94 Machine Learning detection for dropped file 14->94 signatures5 process6 file7 54 C:\Users\user\AppData\...\cmderservice.exe, PE32 17->54 dropped 82 Multi AV Scanner detection for dropped file 17->82 84 Machine Learning detection for dropped file 17->84 23 cmd.exe 1 17->23         started        25 cmd.exe 1 17->25         started        27 WerFault.exe 20 9 21->27         started        signatures8 process9 dnsIp10 30 cmderservice.exe 2 4 23->30         started        35 conhost.exe 23->35         started        37 timeout.exe 1 23->37         started        39 conhost.exe 25->39         started        41 schtasks.exe 1 25->41         started        66 192.168.2.1 unknown unknown 27->66 process11 dnsIp12 68 45.95.168.116, 1336, 1400, 49721 GIGANET-HUGigaNetInternetServiceProviderCoHU Croatia (LOCAL Name: Hrvatska) 30->68 70 45.15.143.183, 1338, 49723, 49725 DEDIPATH-LLCUS Latvia 30->70 64 C:\Users\user\AppData\Local\Temp\cortgc.exe, PE32 30->64 dropped 72 Tries to harvest and steal browser information (history, passwords, etc) 30->72 43 cmd.exe 30->43         started        file13 signatures14 process15 signatures16 90 Suspicious powershell command line found 43->90 46 powershell.exe 43->46         started        48 conhost.exe 43->48         started        process17 process18 50 cortgc.exe 46->50         started        file19 56 C:\Users\user\AppData\...\HWMonitor.exe, PE32 50->56 dropped 86 Multi AV Scanner detection for dropped file 50->86 88 Drops PE files to the startup folder 50->88 signatures20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c566df7033c0aafb582e41c0d9656f6292b5ee997ec4eaef85e752ba0722848f/
Threat name:
Win32.Trojan.Forcerdp
Create hunting rule
Status:
Malicious
First seen:
2021-02-27 02:20:12 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yvtn64btycvpwwboihanszlpmkjll3uzp3cov34f45jlubzcqshq._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
0294e5e38373123aacb7dc64aef0e353277e1f11edb3ff6f711e0080e5e6516c
AsyncRAT
082f1317f03b76584194dc5b800ed466cc1fbef34ef63a6019c2dc1de47212ed
AsyncRAT
2cd722bc4e448f38f4e79e69a48a7fc3f92c09586e50bc0f3f9f8dc5f4495fcc
AsyncRAT
3b9f555888df6326a6a0c7dd2c2c1c2d78bbb969c1b7d40ea0d0e9679a06bbc5
AsyncRAT
5637daf1b0a5e312bf2118b89083c186fa32f074a12006ef7df0e49ce51f40c1
AsyncRAT
6db5c602b2b6eda92f499857a0e0944798b1b2988a004ae06db65d80df3b7145
AsyncRAT
7c19dad6af8b2138eb289abbf8f64664ddc07f8d9f715445e8774c3bff4fbb02
AsyncRAT
e38724644ed4643ebcdea6b0ae8345bf094d9f6e6d81b0acb244f96a3129077e
AsyncRAT
e846c73b8c02eb9abc0e42d17bb3f3b501e6c4a327d3308b2d16cffa7a813638
AsyncRAT
fe40a261819b8c1f1308aaded3d797fd2ade74c2bb23f51deedc4b5b0c0f2d6f
AsyncRAT
+ 471 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat persistence rat spyware
Link:
https://tria.ge/reports/210228-3xh6xfr6vn/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Adds Run key to start application
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
45.15.143.183:1338
45.15.143.183:1337
45.15.143.183:1336
45.15.143.183:1339
45.15.143.183:1400
45.95.168.116:1338
45.95.168.116:1337
45.95.168.116:1336
45.95.168.116:1339
45.95.168.116:1400
Unpacked files
SH256 hash:
c566df7033c0aafb582e41c0d9656f6292b5ee997ec4eaef85e752ba0722848f
MD5 hash:
85a3957ddbe8ffbc35362fceedd53995
SHA1 hash:
a8e2f6624881c5c8cbc1e644362ed49688b872c5
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/579df1fc-138c-446c-a423-a0de7147ddb7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Backdoor
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/c566df7033c0aafb582e41c0d9656f6292b5ee997ec4eaef85e752ba0722848f

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/119947/

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