MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48cd145349ebdb8a3728c8c55b9e5a59df2ee7676a847afa340d7f88ae24cfd1. 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: 13


Intelligence 13 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 48cd145349ebdb8a3728c8c55b9e5a59df2ee7676a847afa340d7f88ae24cfd1
SHA3-384 hash: 3c9b0e035477c2537c763668b34d661d84f2b3a93be368a386f9eeef348f72d344e2ce1830a49421655b9e409407bd63
SHA1 hash: 822191da126f6d18cbc110e02473afb0528751bd
MD5 hash: 7d5053287343d71bf9e3b913d4e4e551
humanhash: delaware-steak-carbon-harry
File name:SecuriteInfo.com.Win64.TrojanX-gen.11161.10776
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:436'640 bytes
First seen:2024-04-23 16:33:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:qoE0Q+9PzNEAVTH2BKlYZQ/yKrFvM/2SwJ:F1L9zLLCKlAQqEva25
TLSH T1239423B58A9E071EFB9F8B3D996A12C910703643B057434F5B2DDA6A1F877A46413333
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter SecuriteInfoCom
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
349
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
48cd145349ebdb8a3728c8c55b9e5a59df2ee7676a847afa340d7f88ae24cfd1.exe
Verdict:
Malicious activity
Analysis date:
2024-04-24 05:47:40 UTC
Tags:
asyncrat
Link:
https://app.any.run/tasks/5181c34b-006f-4cfb-aab5-0a4ca8962302

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
DNS request
Connection attempt
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Blocking the User Account Control
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/6627e303b575a100a2322d80/reports/14cc21c1-1d7a-4e8b-a8a6-e204e6d62194/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/48cd145349ebdb8a3728c8c55b9e5a59df2ee7676a847afa340d7f88ae24cfd1
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/987ddc9e-802f-473f-95d8-27096463508f
Result
Threat name:
AsyncRAT, DcRat
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1430495
Signature
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Connects to a pastebin service (likely for C&C)
Disables UAC (registry)
Drops PE files with benign system names
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Sigma detected: Schedule system process
Sigma detected: Suspect Svchost Activity
Sigma detected: System File Execution Location Anomaly
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 AntiVM3
Yara detected AsyncRAT
Yara detected DcRat
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1430495 Sample: SecuriteInfo.com.Win64.Troj... Startdate: 23/04/2024 Architecture: WINDOWS Score: 100 70 pastebin.com 2->70 72 fp2e7a.wpc.phicdn.net 2->72 74 fp2e7a.wpc.2be4.phicdn.net 2->74 82 Found malware configuration 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 Multi AV Scanner detection for submitted file 2->86 90 13 other signatures 2->90 10 SecuriteInfo.com.Win64.TrojanX-gen.11161.10776.exe 1 8 2->10         started        14 svchost.exe 1 4 2->14         started        16 svchost.exe 2->16         started        18 2 other processes 2->18 signatures3 88 Connects to a pastebin service (likely for C&C) 70->88 process4 file5 68 C:\Users\user\AppData\Roaming\svchost.exe, PE32+ 10->68 dropped 104 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->104 106 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->106 108 Drops PE files with benign system names 10->108 20 cmd.exe 1 10->20         started        22 cmd.exe 1 10->22         started        25 conhost.exe 10->25         started        110 Multi AV Scanner detection for dropped file 14->110 112 Writes to foreign memory regions 14->112 114 Adds a directory exclusion to Windows Defender 14->114 116 Disables UAC (registry) 14->116 27 powershell.exe 23 14->27         started        33 3 other processes 14->33 118 Injects a PE file into a foreign processes 16->118 29 powershell.exe 16->29         started        35 4 other processes 16->35 31 powershell.exe 18->31         started        37 8 other processes 18->37 signatures6 process7 signatures8 39 svchost.exe 4 20->39         started        42 conhost.exe 20->42         started        44 timeout.exe 1 20->44         started        92 Uses schtasks.exe or at.exe to add and modify task schedules 22->92 46 conhost.exe 22->46         started        48 schtasks.exe 1 22->48         started        94 Loading BitLocker PowerShell Module 27->94 50 conhost.exe 27->50         started        52 conhost.exe 29->52         started        54 conhost.exe 31->54         started        process9 signatures10 96 Writes to foreign memory regions 39->96 98 Adds a directory exclusion to Windows Defender 39->98 100 Injects a PE file into a foreign processes 39->100 56 powershell.exe 39->56         started        59 InstallUtil.exe 39->59         started        62 conhost.exe 39->62         started        64 2 other processes 39->64 process11 dnsIp12 102 Loading BitLocker PowerShell Module 56->102 66 conhost.exe 56->66         started        76 156.208.214.156, 4445 TE-ASTE-ASEG Egypt 59->76 78 104.20.4.235, 443, 49753, 49755 CLOUDFLARENETUS United States 59->78 80 pastebin.com 172.67.19.24, 443, 49734, 49750 CLOUDFLARENETUS United States 59->80 signatures13 process14
Score:
74%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/48cd145349ebdb8a3728c8c55b9e5a59df2ee7676a847afa340d7f88ae24cfd1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/48cd145349ebdb8a3728c8c55b9e5a59df2ee7676a847afa340d7f88ae24cfd1/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2024-04-23 01:16:32 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jdgriu2j5pnyunzizdcvxhs2lhps5z3hnkchv6rubv7yrlrez7iq._file
Verdict:
malicious
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:bsod_new evasion persistence rat trojan
Link:
https://tria.ge/reports/240423-t244hshh84/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Windows security modification
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
AsyncRat
UAC bypass
Windows security bypass
Unpacked files
SH256 hash:
48cd145349ebdb8a3728c8c55b9e5a59df2ee7676a847afa340d7f88ae24cfd1
MD5 hash:
7d5053287343d71bf9e3b913d4e4e551
SHA1 hash:
822191da126f6d18cbc110e02473afb0528751bd
Link:
https://www.unpac.me/results/b2085eb1-479f-47c4-9628-037ed12736b3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/48cd145349eb/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_SUSPICIOUS_EXE_DcRatBy
Create hunting rule
Author:ditekSHen
Description:Detects executables containing the string DcRatBy
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Create hunting rule
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
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:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
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:Windows_Generic_Threat_ce98c4bc
Create hunting rule
Author:Elastic Security

File information

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

Web download

AsyncRAT

Executable exe 48cd145349ebdb8a3728c8c55b9e5a59df2ee7676a847afa340d7f88ae24cfd1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2824139/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2824190/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments