MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db805d5ac09ea9d18a3016d4c70cbb52087604fe5ad23fd8043399c970c0c8a6. 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: 17


Intelligence 17 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: db805d5ac09ea9d18a3016d4c70cbb52087604fe5ad23fd8043399c970c0c8a6
SHA3-384 hash: d350f16a79e3e382e47c185a82f61b2401809f3aa54339a57d242fcec440f9921fcffb9db236df4c110585aa881787ae
SHA1 hash: 862f227d4fa0b4de892006d7fe19e610e9f1a676
MD5 hash: ca699117112a173ca7b289f1baf6c3c0
humanhash: lion-harry-venus-river
File name:ca699117112a173ca7b289f1baf6c3c0.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:89'088 bytes
First seen:2022-11-06 07:45:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:sUZggDGVM9WSZvZHU+uyWrHyHndw/VTtvVCMI4bgAQ9uaJZA2DJpO:sUigDGVMU4vZUZJmHdeVTtI4bgAQ9uaE
TLSH T1C893070B96D879EEE42B97B35D5B9E4DA679B9137C0ACB4422210B4F40721CEF207D93
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
SecurityHealthService.exe
Verdict:
Malicious activity
Analysis date:
2022-11-05 03:24:42 UTC
Tags:
asyncrat
Link:
https://app.any.run/tasks/eec61499-fe81-46e2-a6e8-38b2c3e9403c

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/329373/
Detection(s):
SecuriteInfo.com.Trojan.InjectNET.14.3104.3627.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Running batch commands
Launching a process
Creating a file
Сreating synchronization primitives
Sending an HTTP GET request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63676641775605b3a4f3c1d5/reports/32339d97-53c8-4e4f-bd23-0316831387b5/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.
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2fd5ed34-139c-43f6-8b12-b076e7e8b538
Result
Threat name:
AsyncRAT, PhoenixRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1106490
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected PhoenixRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 739154 Sample: 7FhzRwN3hN.exe Startdate: 06/11/2022 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 6 other signatures 2->49 7 SecurityHealthService.exe 3 2->7         started        10 7FhzRwN3hN.exe 5 2->10         started        13 SecurityHealthService.exe 2 2->13         started        15 SecurityHealthService.exe 2 2->15         started        process3 file4 53 Antivirus detection for dropped file 7->53 55 Multi AV Scanner detection for dropped file 7->55 57 Machine Learning detection for dropped file 7->57 17 RegAsm.exe 3 7->17         started        37 C:\Users\user\...\SecurityHealthService.exe, PE32 10->37 dropped 39 C:\Users\user\AppData\...\7FhzRwN3hN.exe.log, ASCII 10->39 dropped 59 Writes to foreign memory regions 10->59 61 Allocates memory in foreign processes 10->61 63 Injects a PE file into a foreign processes 10->63 19 cmd.exe 1 10->19         started        22 powershell.exe 1 22 10->22         started        24 RegAsm.exe 2 10->24         started        27 RegAsm.exe 2 13->27         started        29 RegAsm.exe 2 15->29         started        signatures5 process6 dnsIp7 51 Uses schtasks.exe or at.exe to add and modify task schedules 19->51 31 conhost.exe 19->31         started        33 schtasks.exe 1 19->33         started        35 conhost.exe 22->35         started        41 217.64.31.3, 8437 BAKINTER-ASBakinternetISPAzerbaijanAZ Azerbaijan 24->41 signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/db805d5ac09ea9d18a3016d4c70cbb52087604fe5ad23fd8043399c970c0c8a6/
Threat name:
ByteCode-MSIL.Hacktool.ResInject
Create hunting rule
Status:
Malicious
First seen:
2022-11-05 07:23:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3oaf2wwat2u5dcrqc3kmodf3kiehmbh6lljd7waegom4s4gazcta._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:defendersmartscren persistence rat
Link:
https://tria.ge/reports/221106-jly78acher/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
217.64.31.3:8437
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8ec9b911-10b1-4ecc-b6fb-f6f383a48c27
Unpacked files
SH256 hash:
505f991758d80fcea2477e3ae04e50ef7bf571065aea7a95ac3d4a3f2e3d1f0c
MD5 hash:
e8f756cf5566a5ed1a82c89f36350c35
SHA1 hash:
8656c016e27055f5135faf65b3ca742a08e57b22
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/2c8fe677-a858-4c71-9904-de7564b67c61/
Parent samples :
db805d5ac09ea9d18a3016d4c70cbb52087604fe5ad23fd8043399c970c0c8a6
ffead35df6bc101476d76393619fe0a06a57d93927417d9bcf814d2e4c6b36a0
0f9616033c3e2c3df40e50ccf9cbe8ffb0954569acb29f9bfb5e18d7c431254d
ea9a3686784c9990761ae93d2a99fdf2bd2a4270119068542ef018e8f248432e
SH256 hash:
db805d5ac09ea9d18a3016d4c70cbb52087604fe5ad23fd8043399c970c0c8a6
MD5 hash:
ca699117112a173ca7b289f1baf6c3c0
SHA1 hash:
862f227d4fa0b4de892006d7fe19e610e9f1a676
Link:
https://www.unpac.me/results/2c8fe677-a858-4c71-9904-de7564b67c61/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/db805d5ac09e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/db805d5ac09ea9d18a3016d4c70cbb52087604fe5ad23fd8043399c970c0c8a6

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:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
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.

Web download

AsyncRAT

Executable exe db805d5ac09ea9d18a3016d4c70cbb52087604fe5ad23fd8043399c970c0c8a6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2401210/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/329373/

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