MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cca1fe4f8db64e9de09b1b5d0fd2909a3ba9a8b16c785c2f9604c7010b002c1e. 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



Adware.Generic


Vendor detections: 10


Intelligence 10 IOCs YARA 13 File information Comments

SHA256 hash: cca1fe4f8db64e9de09b1b5d0fd2909a3ba9a8b16c785c2f9604c7010b002c1e
SHA3-384 hash: 3bf3a45a5116fb65faaaaf5349f4706caf8a17112205f95490b3b5fc695d88a2bc26a16f291c6c8ab05c313cc741b934
SHA1 hash: 915c741339620688b07314fff75d8755b29d8817
MD5 hash: 462924184c0cdbea308882534e943e27
humanhash: don-vegan-vermont-july
File name:yhwiwib3.87.exe
Download: download sample
Signature Adware.Generic
File size:79'478'061 bytes
First seen:2025-08-03 01:56:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash eb5bc6ff6263b364dfbfb78bdb48ed59 (55 x Adware.Generic, 18 x RaccoonStealer, 8 x Adware.ExtenBro)
ssdeep 1572864:8psyJo+0BdXDR1oATtbdB95FOR9eIvutnShPQHYxL0iUAV2Tkf9+eJ:bDroIXdOmIQSicBzV2KMeJ
TLSH T1AA08330676D8A23CE6B577390563E11884F3B6B5D925EE1B6AF4D0C9CF290C50C3F62A
TrID 60.0% (.EXE) Inno Setup installer (107240/4/30)
23.2% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
5.8% (.EXE) Win64 Executable (generic) (10522/11/4)
3.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
2.5% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 4f474955550d0709 (1 x Adware.Generic)
Reporter zhuzhu0009
Tags:Adware.Generic exe FakeApp

Intelligence


File Origin
# of uploads :
1
# of downloads :
127
Origin country :
JP JP
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
yhwiwib3.87.exe
Verdict:
Malicious activity
Analysis date:
2025-08-03 01:55:10 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
95.7%
Tags:
shellcode ghost virus blic
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Moving a recently created file
Creating a process with a hidden window
Sending a custom TCP request
Connection attempt
Launching a service
Launching a process
Using the Windows Management Instrumentation requests
Enabling autorun for a service
Unauthorized injection to a system process
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-debug embarcadero_delphi fingerprint installer overlay overlay packed zero
Gathering data
Threat name:
Win32.Trojan.Malgent
Status:
Malicious
First seen:
2025-05-27 06:19:31 UTC
File Type:
PE (Exe)
Extracted files:
21920
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
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:Borland
Author:malware-lu
Rule name:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:mht_inside_word
Author:dPhish
Description:Detect embedded mht files inside microsfot word.
Rule name:pe_detect_tls_callbacks
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_CMD_Powershell_Usage
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
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.

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 (HIGH_ENTROPY_VA)high
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
SECURITY_BASE_APIUses Security Base APIadvapi32.dll::AdjustTokenPrivileges
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateProcessW
advapi32.dll::OpenProcessToken
kernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
kernel32.dll::LoadLibraryExW
kernel32.dll::LoadLibraryW
kernel32.dll::GetSystemInfo
kernel32.dll::GetStartupInfoW
kernel32.dll::GetDiskFreeSpaceW
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryW
kernel32.dll::CreateFileW
kernel32.dll::DeleteFileW
kernel32.dll::GetWindowsDirectoryW
kernel32.dll::GetSystemDirectoryW
kernel32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account Informationadvapi32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExW
advapi32.dll::RegQueryValueExW
WIN_USER_APIPerforms GUI Actionsuser32.dll::PeekMessageW
user32.dll::CreateWindowExW

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