MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef05e1dd0a43614455c31b4f60f2f99ede4134a26d20ced48431fa4bd0ca5e3f. 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: 15


Intelligence 15 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef05e1dd0a43614455c31b4f60f2f99ede4134a26d20ced48431fa4bd0ca5e3f
SHA3-384 hash: ec2d4f7f93bc702acf37fd3782a7ebc16388130970c69bd6dbc5b3fa740da501dc9696fd38f6727b71637661c8edb7d6
SHA1 hash: d20839d587b37f0c6921014d9f4d8654150c387d
MD5 hash: 4e57cb78cd8802ae1b44883817e095b9
humanhash: robert-earth-hot-magazine
File name:free.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:4'869'568 bytes
First seen:2025-08-11 09:26:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 88f70fb82598484a7ce88eef6418418b (23 x AsyncRAT, 8 x AgentTesla, 4 x XWorm)
ssdeep 98304:9VTaHpd53Ym5daZdjObR2TkqXf0FJ8Pkd1o9:XTQ3YmOZdDTkSIGOa
TLSH T16636F16376118D98C0B6C7FC10A3DAB95B233EA81475824601F9BE1BFAF2E411D1A5DF
TrID 59.6% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
15.0% (.EXE) Win64 Executable (generic) (10522/11/4)
7.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.4% (.EXE) Win32 Executable (generic) (4504/4/1)
2.9% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 64f230e5b4e869a2 (19 x AsyncRAT, 3 x XWorm, 2 x DCRat)
Reporter abuse_ch
Tags:AsyncRAT exe signed

Code Signing Certificate

Organisation:Winamp SA
Issuer:DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1
Algorithm:sha256WithRSAEncryption
Valid from:2022-06-15T00:00:00Z
Valid to:2024-06-12T23:59:59Z
Serial number: 08d4bf5a529c725997e0f6c526495d2f
Intelligence: 45 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: db796af1ce42a1f71907fc7f6c06313f29fda38a2059dadfb09bf21943338286
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_ef05e1dd0a43614455c31b4f60f2f99ede4134a26d20ced48431fa4bd0ca5e3f.exe
Verdict:
No threats detected
Analysis date:
2025-08-11 09:28:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5f90d9d4-745c-48b3-9056-57a9cd601581

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DLAgent10
Create hunting rule
Link:
https://www.capesandbox.com/analysis/20103/
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6899b750c633abe3908dc47c
Tags:
dropper emotet agent blic
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Connection attempt
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a process from a recently created file
Sending a custom TCP request
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug dllhost enigma expired-cert fingerprint lolbin obfuscated packed packed packed regsvr32 replace signed threat
Link:
https://www.filescan.io/uploads/6899b74f397fd3ce6fa45ff0/reports/a4770041-b885-4581-be55-747a2623a4c5/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/ef05e1dd0a43614455c31b4f60f2f99ede4134a26d20ced48431fa4bd0ca5e3f
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/0dbb6ffd-7802-4bf1-8a3f-f6225ea55c22
Result
Threat name:
AsyncRAT, Dacic, DcRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1754440
Signature
Antivirus detection for dropped file
Detected potential unwanted application
Detected unpacking (changes PE section rights)
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: System File Execution Location Anomaly
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses known network protocols on non-standard ports
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Dacic
Yara detected DcRat
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ef05e1dd0a43614455c31b4f60f2f99ede4134a26d20ced48431fa4bd0ca5e3f
Verdict:
inconclusive
YARA:
8 match(es)
Tags:
.Net Executable PE (Portable Executable)
Link:
https://app.malva.re/file/4e57cb78cd8802ae1b44883817e095b9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef05e1dd0a43614455c31b4f60f2f99ede4134a26d20ced48431fa4bd0ca5e3f/
Verdict:
Malicious
Threat:
Backdoor.MSIL.Darkrat
Link:
https://tip.neiki.dev/file/ef05e1dd0a43614455c31b4f60f2f99ede4134a26d20ced48431fa4bd0ca5e3f
Threat name:
Win64.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-08-11 09:27:36 UTC
File Type:
PE+ (Exe)
Extracted files:
22
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=54c6dxikinquivoddnhwb4xzt3pecnfcnuqm5veegh5exugkly7q._file
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Link:
https://tria.ge/reports/250811-ledztatsdz/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
ConfuserEx .NET packer
Checks computer location settings
Executes dropped EXE
Downloads MZ/PE file
Async RAT payload
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
157.97.11.134:8080
Verdict:
Malicious
Tags:
downloader Win.Packed.Bulz-10008187-0
YARA:
MALWARE_Win_DLAgent10
Link:
https://app.threat.zone/submission/e5d1129b-5ce6-4185-b8a0-d7e961a9a9d1
Unpacked files
SH256 hash:
ef05e1dd0a43614455c31b4f60f2f99ede4134a26d20ced48431fa4bd0ca5e3f
MD5 hash:
4e57cb78cd8802ae1b44883817e095b9
SHA1 hash:
d20839d587b37f0c6921014d9f4d8654150c387d
Link:
https://www.unpac.me/results/ede11984-d2d1-47ad-adbd-8d42a253e126/
SH256 hash:
48c659c4f9f4309baae1f396c8138ea27e3034a51f06b4434f0eae9d70e3fbbe
MD5 hash:
93ed463d710e91cd7124fe51a102d095
SHA1 hash:
95aaf345290c6a6187104eebad72e653345047ae
Link:
https://www.unpac.me/results/ede11984-d2d1-47ad-adbd-8d42a253e126/
SH256 hash:
1499f3bec23106cb4b045e8dabc56a3bfa52063e30bd85ca9e1215cfaf3b235a
MD5 hash:
f72820fd10b71473804ee370c53b4812
SHA1 hash:
a6161781c45aebe5fbe086b3b621aa1f4e3903c3
Link:
https://www.unpac.me/results/ede11984-d2d1-47ad-adbd-8d42a253e126/
SH256 hash:
95349cbb0ce9bd2bb939c04e611750eca5d1ac1b8baa53641c28c147a59dc725
MD5 hash:
95b2c0f892fe4c15ac1d4929bcb54df1
SHA1 hash:
b13abc14da4b7f1c0a8f5aacd98f0c6fb18873fd
Link:
https://www.unpac.me/results/ede11984-d2d1-47ad-adbd-8d42a253e126/
SH256 hash:
2a07e9d82531a6e8707d010d217157303a827d8ecce36f58372401b87849728e
MD5 hash:
6564864bc27d4f1fd140648fbea35a0f
SHA1 hash:
0fbce743661919c46427c59237a2c823155eac31
Link:
https://www.unpac.me/results/ede11984-d2d1-47ad-adbd-8d42a253e126/
SH256 hash:
e8d68430c082b3a8edc7e3169d47fe107dc277e0594f65f6e5cb102162105368
MD5 hash:
7ff42c8228e257ee09672b2160af2a80
SHA1 hash:
c351f43311d9bf3588a15e1b931506c204d45d24
Link:
https://www.unpac.me/results/ede11984-d2d1-47ad-adbd-8d42a253e126/
Malware family:
DCRat
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ef05e1dd0a43/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ef05e1dd0a43614455c31b4f60f2f99ede4134a26d20ced48431fa4bd0ca5e3f

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_powershell
Create hunting rule
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_Enigma
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Enigma
Rule name:MALWARE_Win_DLAgent10
Create hunting rule
Author:ditekSHen
Description:Detects known downloader agent
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Generic_MalCert_65514fe0
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 ef05e1dd0a43614455c31b4f60f2f99ede4134a26d20ced48431fa4bd0ca5e3f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3596101/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/20103/

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
Reviews
IDCapabilitiesEvidence
KERNEL_APIManipulates Windows Kernel & Driversntdll.dll::RtlInitUnicodeString
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateRemoteThread
kernel32.dll::OpenProcess
kernel32.dll::VirtualAllocEx
kernel32.dll::WriteProcessMemory
kernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIntdll.dll::NtQuerySystemInformation
kernel32.dll::LoadLibraryW
kernel32.dll::LoadLibraryA
kernel32.dll::GetSystemInfo
kernel32.dll::GetStartupInfoA
kernel32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::GetConsoleMode
kernel32.dll::GetConsoleOutputCP
kernel32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryW
kernel32.dll::CreateFileW
kernel32.dll::DeleteFileW
kernel32.dll::GetWindowsDirectoryA
kernel32.dll::GetWindowsDirectoryW
kernel32.dll::GetSystemDirectoryW
WIN_BASE_USER_APIRetrieves Account Informationkernel32.dll::QueryDosDeviceW
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyA

Comments