MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c3af793b926ac4a4dfb0de4b54555730bf89dcaba5b2d6c25f6c9a4eefc0be6. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
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SHA256 hash: 4c3af793b926ac4a4dfb0de4b54555730bf89dcaba5b2d6c25f6c9a4eefc0be6
SHA3-384 hash: b4b5359df4973e672eddc9a2234df8c69c481725f4d48018b82b27181b5fcca4c7ca204723eea3c1cf6c85ea3821b388
SHA1 hash: f07468e2066ee268fbab53192bfdf8e19412f44a
MD5 hash: 34b2ff46df1080c50ca3e1e92b88884d
humanhash: johnny-michigan-alpha-failed
File name:SecuriteInfo.com.Variant.Tedy.268270.23439.11373
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:940'032 bytes
First seen:2023-01-08 01:29:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:6yMCzwWZRW9tyuCYPge7dmENQInVIV68+agIjKFJ1B6T8RFHviC1+766V1hx/3J1:6yMCzwWvfWEP1+zPgZZYHju
Threatray 910 similar samples on MalwareBazaar
TLSH T17E15493439FA501AB173EFA98BE4B5D6DA6FB7733B03A45D1051038A0723A81DED153A
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 :
174
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/350642/
Detection(s):
SecuriteInfo.com.Variant.Tedy.268270.23439.11373.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Launching a process
Creating a file
Sending a custom TCP request
Сreating synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Unauthorized injection to a system process
Gathering data
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:
ModernLoader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/15680381-fa19-421d-8805-143d35ce13ac
Result
Threat name:
AsyncRAT, DcRat
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1147209
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
.NET source code references suspicious native API functions
Creates autostart registry keys with suspicious names
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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 AntiVM3
Yara detected AsyncRAT
Yara detected DcRat
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 779941 Sample: SecuriteInfo.com.Variant.Te... Startdate: 08/01/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 8 other signatures 2->42 6 SecuriteInfo.com.Variant.Tedy.268270.23439.11373.exe 1 3 2->6         started        10 SecuriteInfo.com.Variant.Tedy.268270.23439.11373.exe 2 2->10         started        12 SecuriteInfo.com.Variant.Tedy.268270.23439.11373.exe 2 2->12         started        process3 file4 32 SecuriteInfo.com.V...23439.11373.exe.log, CSV 6->32 dropped 44 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 6->44 46 Creates autostart registry keys with suspicious names 6->46 48 Writes to foreign memory regions 6->48 14 AddInProcess32.exe 2 2 6->14         started        18 ComSvcConfig.exe 6->18         started        20 DataSvcUtil.exe 6->20         started        50 Injects a PE file into a foreign processes 10->50 22 jsc.exe 3 10->22         started        24 ngen.exe 10->24         started        26 AddInProcess.exe 10->26         started        30 12 other processes 10->30 28 AddInProcess32.exe 3 12->28         started        signatures5 process6 dnsIp7 34 95.217.121.186, 4449, 49698, 49700 HETZNER-ASDE Germany 14->34 52 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 14->52 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4c3af793b926ac4a4dfb0de4b54555730bf89dcaba5b2d6c25f6c9a4eefc0be6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-01-08 00:00:48 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jq5ppe5ze2weutp3bxslkrkvomf7rhokxjns23bf63e2j3x4bpta._file
Verdict:
malicious
Similar samples:
2267fac6e4bcace94d9ed232cc4ba7e128424e80c5730ea38f23610c11bdc168
AsyncRAT
36f828fc51e022714a6fd634e6b663919f332b67e9505ceb05d5c3b9398c6a00
AsyncRAT
59494a51618f234021c0dae2d87667ce9e431b8a75a1b4952d3e48bf71492fbb
AsyncRAT
67388fca813133367167001c4114d6cd97b4bed24d0acdfda8b5784723a698ea
AsyncRAT
9704c9bdcc0aceb98f97297ba82c93ba0ca396bdc02417bc75976de299ab52a3
AsyncRAT
a0c77b9f372d94ae8cbc32b27d319491cb65001b12963bc68b96b8caaf10dfa0
AsyncRAT
a7555fbbb59c9e063dfa6b392af01c02f1d23679e53882fc1cb6d3a432330c50
AsyncRAT
bf9cbad13935f939f44add9a131188c73e3dda014e039debc553ebacab228d83
AsyncRAT
fcfe4c075c3b67f661de261a2f05ce34d1b9b150c286c67a3da085b006ae7b3c
AsyncRAT
+ 900 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:venom clients evasion persistence rat
Link:
https://tria.ge/reports/230108-bwt29aef9v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Uses the VBS compiler for execution
Looks for VMWare Tools registry key
Async RAT payload
Looks for VirtualBox Guest Additions in registry
AsyncRat
Malware Config
C2 Extraction:
127.0.0.1:4449
95.217.121.186:4449
Unpacked files
SH256 hash:
4c3af793b926ac4a4dfb0de4b54555730bf89dcaba5b2d6c25f6c9a4eefc0be6
MD5 hash:
34b2ff46df1080c50ca3e1e92b88884d
SHA1 hash:
f07468e2066ee268fbab53192bfdf8e19412f44a
Link:
https://www.unpac.me/results/ffbf3577-8f9f-4ef1-acee-5fa3e037183e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4c3af793b926/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/4c3af793b926ac4a4dfb0de4b54555730bf89dcaba5b2d6c25f6c9a4eefc0be6

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB

File information

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

Web download

AsyncRAT

Executable exe 4c3af793b926ac4a4dfb0de4b54555730bf89dcaba5b2d6c25f6c9a4eefc0be6

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/350642/
  
URLhaus
https://urlhaus.abuse.ch/url/2500351/
  
Delivery method
Distributed via web download

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