MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fd30cbd849b5026b3b33c62c34df1aa570e7dd12e1d88f2eb27d7d57fae47ac. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments

SHA256 hash: 3fd30cbd849b5026b3b33c62c34df1aa570e7dd12e1d88f2eb27d7d57fae47ac
SHA3-384 hash: 4909b65f3b054ecd5e77a913a1744deedd8efc550e46463ac3faf78b350d3b3df2f98e945d769f72b110dae9d512ba1d
SHA1 hash: bf0b15ad7d00573deb98f6882cd3966943b55cd7
MD5 hash: e45edb073040fc2916cc6ec4b2a95e18
humanhash: don-minnesota-romeo-white
File name:shrk.bin
Download: download sample
File size:17'575'354 bytes
First seen:2025-07-20 15:22:24 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 196608:5rdZzAXpFqm8EZT1SoAU92xLi0rX+2S+rOJq+Yik8CmA3z0cWpwCfVGfpOuDpIN3:5pkqm8AHAg4NrXdKTYhtz0cWKCfUO
TLSH T12C072322B2CB9C3EE45A0B361D72AE7454FB66636426ADF297F084BCCE315501D2D633
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
dhash icon f0967169697196f0 (1 x SharkStealer)
Reporter abuse_ch
Tags:bin exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
15
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
shrk.bin
Verdict:
Malicious activity
Analysis date:
2025-07-20 15:34:44 UTC
Tags:
inno installer delphi auto-reg auto generic arch-scr

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
rozena virus shell blic
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Connection attempt
Sending a custom TCP request
Setting a single autorun event
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
84 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Found suspicious ZIP file
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 32 Exe x86
Threat name:
Win32.Trojan.Kepavll
Status:
Malicious
First seen:
2025-07-19 23:49:19 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery persistence spyware trojan
Behaviour
Modifies registry key
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Adds Run key to start application
Executes dropped EXE
Verdict:
Malicious
Tags:
TA_Abused_Service
YARA:
n/a
Unpacked files
SH256 hash:
3fd30cbd849b5026b3b33c62c34df1aa570e7dd12e1d88f2eb27d7d57fae47ac
MD5 hash:
e45edb073040fc2916cc6ec4b2a95e18
SHA1 hash:
bf0b15ad7d00573deb98f6882cd3966943b55cd7
SH256 hash:
3295136ae75924ae83d407f19366b17bf263b09c8ea8ce8ce0e8979549d632d1
MD5 hash:
c45d7cee83fe408091585ad9b8bc3db6
SHA1 hash:
75e9bdf54fd5c26e5d788537c1c39490bd04dcc0
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:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
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.

Web download

Executable exe 3fd30cbd849b5026b3b33c62c34df1aa570e7dd12e1d88f2eb27d7d57fae47ac

(this sample)

  
Delivery method
Distributed via web download

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_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User Authorizationadvapi32.dll::AllocateAndInitializeSid
advapi32.dll::ConvertSidToStringSidW
advapi32.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW
advapi32.dll::EqualSid
advapi32.dll::FreeSid
SECURITY_BASE_APIUses Security Base APIadvapi32.dll::AdjustTokenPrivileges
advapi32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateProcessW
advapi32.dll::OpenProcessToken
advapi32.dll::OpenThreadToken
kernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
kernel32.dll::LoadLibraryExW
kernel32.dll::LoadLibraryW
kernel32.dll::GetDriveTypeW
kernel32.dll::GetVolumeInformationW
kernel32.dll::GetSystemInfo
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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