MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a502bc1a44411a03abb26532bdf132f8b8c680905df00a1065825f9060556f47. 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


Threat unknown


Vendor detections: 14


Intelligence 14 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a502bc1a44411a03abb26532bdf132f8b8c680905df00a1065825f9060556f47
SHA3-384 hash: 3522d28fda5c04018dd6af92a6aed64a2242284b8c98a08c21aba8367527bf64a4b163809717cf2dccd7efca2983d38c
SHA1 hash: 94572098639bb6a4c164afe96a7ba8c18358e6d5
MD5 hash: 3dc15a19d6022faed651d1db964eb962
humanhash: butter-six-tango-double
File name:Yohkd_2025.08.29_01.24.37_SETUP.exe
Download: download sample
File size:20'966'096 bytes
First seen:2025-08-29 07:23:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 40ab50289f7ef5fae60801f88d4541fc (59 x ValleyRAT, 49 x Gh0stRAT, 41 x OffLoader)
ssdeep 393216:7V5VM5aQdGHhcS9o36W3T7zG4sNQ6y7XKXr0u8JFGets9YYMK:9MZGHtoRDIe/670u87tM
TLSH T177273322B2C7E53DF4590B3606B2E44458F76A616A23BE83D7E4853CCF642A12D3F257
TrID 62.3% (.EXE) Inno Setup installer (107240/4/30)
24.1% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
6.1% (.EXE) Win64 Executable (generic) (10522/11/4)
2.6% (.EXE) Win32 Executable (generic) (4504/4/1)
1.2% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter smica83
Tags:exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
58
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Yohkd_2025.08.29_01.24.37_SETUP.exe
Verdict:
Malicious activity
Analysis date:
2025-08-29 07:26:38 UTC
Tags:
rust stealer
Link:
https://app.any.run/tasks/acab11f8-d0e6-42a3-a806-a90b826feb6b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/24098/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68b155bf3e988eb6ab82ea48
Tags:
shellcode obfuscate asyncrat xtreme
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Connection attempt
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
DNS request
Сreating synchronization primitives
Searching for synchronization primitives
Restart of the analyzed sample
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Moving a file to the %temp% subdirectory
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embarcadero_delphi fingerprint installer invalid-signature obfuscated overlay signed threat
Link:
https://www.filescan.io/uploads/68b155ba39a6221faa747e4b/reports/095b45f9-4aa6-425d-9de1-01847933fbba/overview
Verdict:
Malicious
Labled as:
VHO:TrojanDrop.Convagent.gen
Link:
https://www.hybrid-analysis.com/sample/a502bc1a44411a03abb26532bdf132f8b8c680905df00a1065825f9060556f47
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-28T21:35:00Z UTC
Last seen:
2025-08-28T21:35:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/a502bc1a44411a03abb26532bdf132f8b8c680905df00a1065825f9060556f47/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1767447
Signature
Bypasses PowerShell execution policy
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Powershell drops PE file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Sigma detected: Potentially Suspicious Child Process Of Regsvr32
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal Bitcoin Wallet information
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1767447 Sample: Yohkd_2025.08.29_01.24.37_S... Startdate: 29/08/2025 Architecture: WINDOWS Score: 100 68 Suricata IDS alerts for network traffic 2->68 70 Sigma detected: Potentially Suspicious Child Process Of Regsvr32 2->70 72 Joe Sandbox ML detected suspicious sample 2->72 74 2 other signatures 2->74 11 Yohkd_2025.08.29_01.24.37_SETUP.exe 2 2->11         started        14 regsvr32.exe 2->14         started        16 regsvr32.exe 2->16         started        process3 file4 64 C:\...\Yohkd_2025.08.29_01.24.37_SETUP.tmp, PE32 11->64 dropped 18 Yohkd_2025.08.29_01.24.37_SETUP.tmp 3 5 11->18         started        21 regsvr32.exe 14->21         started        process5 file6 48 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 18->48 dropped 50 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 18->50 dropped 23 Yohkd_2025.08.29_01.24.37_SETUP.exe 2 18->23         started        process7 file8 54 C:\...\Yohkd_2025.08.29_01.24.37_SETUP.tmp, PE32 23->54 dropped 26 Yohkd_2025.08.29_01.24.37_SETUP.tmp 5 12 23->26         started        process9 file10 56 C:\Users\user\AppData\...\is-R6P6M.tmp, PE32 26->56 dropped 58 C:\Users\user\AppData\...\f116a6c2.exe (copy), PE32 26->58 dropped 60 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 26->60 dropped 62 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 26->62 dropped 78 Suspicious powershell command line found 26->78 80 Bypasses PowerShell execution policy 26->80 30 regsvr32.exe 1 3 26->30         started        34 powershell.exe 16 26->34         started        signatures11 process12 dnsIp13 66 43.250.173.154, 49699, 56001 VPSQUANUS China 30->66 82 System process connects to network (likely due to code injection or exploit) 30->82 84 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 30->84 86 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 30->86 90 4 other signatures 30->90 37 powershell.exe 36 30->37         started        40 powershell.exe 30->40         started        52 C:\Users\user\...\n0Ax_n0AxY_n0A_v4.dll, PE32 34->52 dropped 88 Powershell drops PE file 34->88 42 conhost.exe 34->42         started        file14 signatures15 process16 signatures17 76 Loading BitLocker PowerShell Module 37->76 44 conhost.exe 37->44         started        46 conhost.exe 40->46         started        process18
Score:
80%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a502bc1a44411a03abb26532bdf132f8b8c680905df00a1065825f9060556f47
Gathering data
Gathering data
Verdict:
Malicious
Threat:
Trojan.MSIL.AsyncRat
Link:
https://tip.neiki.dev/file/a502bc1a44411a03abb26532bdf132f8b8c680905df00a1065825f9060556f47
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uublygseienahk5smuzl34js7c4mnaeqlxyauedfqjpzaycvn5dq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250829-h8qc6atms3/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1b93e552-71bd-46a1-89cb-8e9c3a8df483
Malware family:
DonutLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a502bc1a4441/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/a502bc1a44411a03abb26532bdf132f8b8c680905df00a1065825f9060556f47

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:Borland
Create hunting rule
Author:malware-lu
Rule name:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_KB_CERT_0a1f3a057a1dce4bf7d76d0c7adf837e
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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)

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/24098/

Comments