MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6082d41534a1781693ac7ffac275ecddbcf521ffb1a36a8c2987a2b99aec70b5. 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



Rhadamanthys


Vendor detections: 13


Intelligence 13 IOCs YARA 11 File information Comments

SHA256 hash: 6082d41534a1781693ac7ffac275ecddbcf521ffb1a36a8c2987a2b99aec70b5
SHA3-384 hash: b9ea97083c41fb92291b9e9b6cd80b272cfc9db4f0408ac39c52de913298fa3742254dbc581ff6019b1943d40f5ab92c
SHA1 hash: e61d588eebfa05e7354391690e37f3eadb5dfded
MD5 hash: aca7c628adb357f32f9d18f7a1ebefe0
humanhash: table-eighteen-india-apart
File name:vstdlib_s64.dll
Download: download sample
Signature Rhadamanthys
File size:2'892'800 bytes
First seen:2025-03-06 08:16:22 UTC
Last seen:2025-03-06 09:48:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash be57be0399d93e980d5d9b15cc6d5be0 (1 x Rhadamanthys)
ssdeep 49152:nXGDrSYoPXY+B8vZonEwxjTwxV1vmYZl:WO7xjTwX
TLSH T1EDD5BE14A3A901B4C8F7E738C696A233D67179C9D730954B0758C60A2F77AA16B3F732
TrID 47.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
35.2% (.EXE) InstallShield setup (43053/19/16)
8.6% (.EXE) Win64 Executable (generic) (10522/11/4)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.6% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter lowmal3
Tags:exe Rhadamanthys

Intelligence


File Origin
# of uploads :
2
# of downloads :
466
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vstdlib_s64.dll
Verdict:
Malicious activity
Analysis date:
2025-03-06 08:37:54 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.1%
Tags:
emotet virus
Result
Verdict:
Clean
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context fingerprint lolbin masquerade microsoft_visual_cc obfuscated packed packed packer_detected remote
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Rhadamanthys
Verdict:
Malicious
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Drops PE files with a suspicious file extension
Drops PE files with benign system names
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Files With System Process Name In Unsuspected Locations
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Generic Dropper
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1630770 Sample: vstdlib_s64.dll.exe Startdate: 06/03/2025 Architecture: WINDOWS Score: 100 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus / Scanner detection for submitted sample 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 3 other signatures 2->61 7 loaddll64.exe 1 2->7         started        process3 process4 9 cmd.exe 1 7->9         started        11 rundll32.exe 7->11         started        14 rundll32.exe 7->14         started        17 21 other processes 7->17 file5 19 rundll32.exe 1 1001 9->19         started        39 C:\Users\user\SystemRootDoc\lsass.exe, PE32+ 11->39 dropped 41 C:\Users\user\SystemRootDoc\mfmp4srcsnk.dll, PE32+ 11->41 dropped 43 C:\Users\user\SystemRootDoc\mfmkvsrcsnk.dll, PE32+ 11->43 dropped 51 507 other files (none is malicious) 11->51 dropped 45 C:\Users\user\SystemRootDoc\input.dll, PE32+ 14->45 dropped 47 C:\Users\user\SystemRootDoc\inetppui.dll, PE32+ 14->47 dropped 49 C:\Users\user\SystemRootDoc\inetpp.dll, PE32+ 14->49 dropped 53 81 other files (none is malicious) 14->53 dropped 75 Writes to foreign memory regions 14->75 77 Allocates memory in foreign processes 14->77 79 Injects a PE file into a foreign processes 14->79 81 Drops PE files with a suspicious file extension 17->81 83 Drops PE files with benign system names 17->83 23 aspnet_wp.exe 17->23         started        25 aspnet_wp.exe 3 17->25         started        27 aspnet_wp.exe 17->27         started        29 4 other processes 17->29 signatures6 process7 file8 31 C:\Users\user\SystemRootDoc\format.com, PE32+ 19->31 dropped 33 C:\Users\user\SystemRootDoc\dwm.exe, PE32+ 19->33 dropped 35 C:\Users\user\SystemRootDoc\csrss.exe, PE32+ 19->35 dropped 37 855 other files (2 malicious) 19->37 dropped 63 Writes to foreign memory regions 19->63 65 Allocates memory in foreign processes 19->65 67 Injects a PE file into a foreign processes 19->67 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->69 71 Tries to steal Mail credentials (via file / registry access) 23->71 73 Tries to harvest and steal browser information (history, passwords, etc) 23->73 signatures9
Threat name:
Win32.Exploit.Generic
Status:
Malicious
First seen:
2025-03-05 19:46:47 UTC
File Type:
PE+ (Dll)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
darkcloudstealer
Similar samples:
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery upx
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
UPX packed file
ACProtect 1.3x - 1.4x DLL software
Loads dropped DLL
Uses the VBS compiler for execution
Unpacked files
SH256 hash:
6082d41534a1781693ac7ffac275ecddbcf521ffb1a36a8c2987a2b99aec70b5
MD5 hash:
aca7c628adb357f32f9d18f7a1ebefe0
SHA1 hash:
e61d588eebfa05e7354391690e37f3eadb5dfded
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Jupyter_infostealer
Author:CD_R0M_
Description:Rule for Jupyter Infostealer/Solarmarker malware from september 2021-December 2022
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Malspam

Rhadamanthys

Executable exe 6082d41534a1781693ac7ffac275ecddbcf521ffb1a36a8c2987a2b99aec70b5

(this sample)

  
Delivery method
Distributed via e-mail attachment

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
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::OpenProcess
KERNEL32.dll::VirtualAllocEx
KERNEL32.dll::VirtualAllocExNuma
KERNEL32.dll::WriteProcessMemory
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptGenRandom
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW

Comments