MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f234a3861371763fb293ba38d6a5cc82b0af13ce03ba676d3a229c9f30fbd85d. 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: 8


Intelligence 8 IOCs 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f234a3861371763fb293ba38d6a5cc82b0af13ce03ba676d3a229c9f30fbd85d
SHA3-384 hash: 54e787eec66d1f0492ce0bf15193fc9c7cf35acb638627c522e89f9c7a32a212329b6041e053f7ecd411593785c61aed
SHA1 hash: e7da54ac519c846417c78ebbc87470526cd80c9a
MD5 hash: 41db97fef94e93d26dc5dc39b1357e47
humanhash: six-north-kilo-golf
File name:PORD_220721PDF894.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:1'095'680 bytes
First seen:2022-07-21 06:30:17 UTC
Last seen:2022-07-21 07:47:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:39pJRAMJfYJ7isUz1PQX+2fWSEo42RDXLXm3J95rDEeR6:NlBRouYX+Wv42RDbXeJ9BR
Threatray 191 similar samples on MalwareBazaar
TLSH T1FD3522716F0B3B60CB4B4DB08D96642063DE26D3E4B61A7B6E0C736BC9C171C1DAB265
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 b2216363676367b4 (1 x AsyncRAT)
Reporter 0xToxin
Tags:AsyncRAT exe

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
194.5.97.228:5069 https://threatfox.abuse.ch/ioc/838959/

Intelligence

File Origin
# of uploads :
2
# of downloads :
266
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/293080/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.19679.5863.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
DNS request
Creating a file
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
packed
Link:
https://www.filescan.io/uploads/62d8f2eaef2b0e63a82c74d0/reports/c6f68ba9-0025-4066-ace4-3eaecd74e9a7/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:
Malicious
Link:
https://analyze.intezer.com/analyses/dd6f211f-954f-4832-9fb6-82af8cd6caa1
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1038385
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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
Snort IDS alert for network traffic
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 670881 Sample: PORD_220721PDF894.exe Startdate: 21/07/2022 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 5 other signatures 2->51 7 PORD_220721PDF894.exe 16 6 2->7         started        12 brread.exe 14 4 2->12         started        14 brread.exe 3 2->14         started        process3 dnsIp4 43 104.223.106.33, 49750, 49773, 49808 ASN-QUADRANET-GLOBALUS United States 7->43 35 C:\Users\user\AppData\Local\brread.exe, PE32 7->35 dropped 37 C:\Users\user\...\brread.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\...\PORD_220721PDF894.exe.log, ASCII 7->39 dropped 53 Encrypted powershell cmdline option found 7->53 55 Writes to foreign memory regions 7->55 57 Allocates memory in foreign processes 7->57 16 RegAsm.exe 2 7->16         started        19 powershell.exe 15 7->19         started        59 Multi AV Scanner detection for dropped file 12->59 61 Machine Learning detection for dropped file 12->61 63 Injects a PE file into a foreign processes 12->63 21 powershell.exe 12->21         started        23 RegAsm.exe 12->23         started        25 powershell.exe 14->25         started        27 RegAsm.exe 14->27         started        file5 signatures6 process7 dnsIp8 41 polimaplasko.duckdns.org 194.5.97.228, 49810, 6638 DANILENKODE Netherlands 16->41 29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        33 conhost.exe 25->33         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f234a3861371763fb293ba38d6a5cc82b0af13ce03ba676d3a229c9f30fbd85d/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2022-07-21 06:31:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
11 of 26 (42.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6i2khbqtof3d7mutxi4nnjomqkyk6e6oao5go3j2ekoj6mh33boq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0adfa0610ac1328b965e9244e677403df95fa0d4d9e382c490d616b3a9bf838c
AsyncRAT
11d6dbe5acd0b8db0a0b9bdb4ffeac6da2a896de2ef7e546fe104c9520e0f88e
AsyncRAT
1b9c9b834da58ea5a48a29ecb1fa94be9745a48484417ff2caf6ed70f1a50cbd
AsyncRAT
204e06529e75295f8a01b247608340fc3f66311612f6bd518e65c23e7385df0b
AsyncRAT
2f455a412f1cbd10782ea32cbecda8981576ad89bf4f689fb3d7d38f9fc96d93
AsyncRAT
6480fdf229ace9411462e8eddc1830422d48985d72a8b5af7a8b486c34bcf87e
AsyncRAT
8c8c448bf79d4751ade7bf9de2f9dff7436df6d56b2b2e134d9c84250cbe769e
AsyncRAT
be2ed9de1a643c611492a3aefa3831abdc91cd6657f0e27b0dded3fd31e0f198
AsyncRAT
d2a89003afaf641041d0b9e6105b347a45da9eb13b780403c902f4511f0061ed
AsyncRAT
f10d6062320e712255577be955e92cf52abccd2dc68e8a4b91df5d502950d511
AsyncRAT
+ 181 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat persistence rat
Link:
https://tria.ge/reports/220721-g92l5sdgfk/
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
AsyncRat
Unpacked files
SH256 hash:
f234a3861371763fb293ba38d6a5cc82b0af13ce03ba676d3a229c9f30fbd85d
MD5 hash:
41db97fef94e93d26dc5dc39b1357e47
SHA1 hash:
e7da54ac519c846417c78ebbc87470526cd80c9a
Link:
https://www.unpac.me/results/f9c25c26-5a3f-48a4-b6cb-dffdd04da299/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f234a3861371/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/f234a3861371763fb293ba38d6a5cc82b0af13ce03ba676d3a229c9f30fbd85d

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:AgentTesla
Create hunting rule
Author:Harish Kumar P
Description:Yara Rule to Detect AgentTesla
Rule name:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MALWARE_Win_zgRAT
Create hunting rule
Author:ditekSHen
Description:Detects zgRAT
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

  
Delivery method
Distributed via e-mail link
Cape
Cape
https://www.capesandbox.com/analysis/293080/

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