MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa579f52ed61494a296deb152d125370e88093255dc6d736f53a4e486cb9413b. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash: aa579f52ed61494a296deb152d125370e88093255dc6d736f53a4e486cb9413b
SHA3-384 hash: 4bfedf9202bc10591ea606a343df8e6a88b6797d22b00b29cebb14855b5a36238185863f16f3ee2d290c3a6d5b4f97ab
SHA1 hash: 6cd38d515d927a08fc33b49dbd7948633024c038
MD5 hash: 8c9650ba31394faff669eb98da42c022
humanhash: salami-oranges-one-iowa
File name:8c9650ba31394faff669eb98da42c022.exe
Download: download sample
File size:1'011'313 bytes
First seen:2025-04-28 08:33:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7feaa62d3cdd3508cb78e9efbaa561af (2 x CoinMiner)
ssdeep 24576:VHHiWcxa2W2fTMZ3G6vQj0ydNqnGQt9BGxq:VHHiXa2W283xsqzN
TLSH T179259DB942A2CBB5C5D1B07C9E4B927EFD719DC52710A5360638B52F3B922F12B93903
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
430
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8c9650ba31394faff669eb98da42c022.exe
Verdict:
Malicious activity
Analysis date:
2025-04-28 08:47:55 UTC
Tags:
auto-reg

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
dropper virus shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process with a hidden window
Searching for the window
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
microsoft_visual_cc overlay overlay packed packer_detected
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Connects to many ports of the same IP (likely port scanning)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Drops PE files to the document folder of the user
Encrypted powershell cmdline option found
Found API chain indicative of debugger detection
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suspicious powershell command line found
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected PersistenceViaHiddenTask
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1676073 Sample: uAeGtzF1W0.exe Startdate: 28/04/2025 Architecture: WINDOWS Score: 100 41 Multi AV Scanner detection for submitted file 2->41 43 .NET source code contains potential unpacker 2->43 45 Suspicious powershell command line found 2->45 47 7 other signatures 2->47 7 uAeGtzF1W0.exe 1 3 2->7         started        11 DefaultInterface.exe 3 2->11         started        13 powershell.exe 23 2->13         started        15 4 other processes 2->15 process3 dnsIp4 35 C:\Users\user\Documents\...\000000290029.exe, PE32+ 7->35 dropped 57 Suspicious powershell command line found 7->57 59 Drops PE files to the document folder of the user 7->59 61 Found API chain indicative of debugger detection 7->61 71 2 other signatures 7->71 18 000000290029.exe 5 7->18         started        22 powershell.exe 23 7->22         started        24 conhost.exe 7->24         started        63 Antivirus detection for dropped file 11->63 65 Multi AV Scanner detection for dropped file 11->65 67 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 11->67 73 3 other signatures 11->73 26 AddInUtil.exe 11->26         started        69 Loading BitLocker PowerShell Module 13->69 29 conhost.exe 13->29         started        39 127.0.0.1 unknown unknown 15->39 file5 signatures6 process7 dnsIp8 33 C:\Users\user\...\DefaultInterface.exe, PE32+ 18->33 dropped 49 Antivirus detection for dropped file 18->49 51 Multi AV Scanner detection for dropped file 18->51 53 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 18->53 55 Loading BitLocker PowerShell Module 22->55 31 conhost.exe 22->31         started        37 185.196.11.30, 39001, 39002, 39003 SIMPLECARRIERCH Switzerland 26->37 file9 signatures10 process11
Threat name:
Win64.Trojan.Nekark
Status:
Malicious
First seen:
2025-04-26 15:14:51 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
aa579f52ed61494a296deb152d125370e88093255dc6d736f53a4e486cb9413b
MD5 hash:
8c9650ba31394faff669eb98da42c022
SHA1 hash:
6cd38d515d927a08fc33b49dbd7948633024c038
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:Check_Debugger
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:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::FreeSid
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::CheckTokenMembership
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CreateProcessW
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleWindow
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptGenRandom
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegSetValueExA

Comments