MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03efac4b1c306959a4211c4dc3f39a937b315bba1b85e95ed8e3d3ebff04e736. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 03efac4b1c306959a4211c4dc3f39a937b315bba1b85e95ed8e3d3ebff04e736
SHA3-384 hash: c1d619f9c74a39a79869532a449c436fddaa97bb035c1d032e97283ffaa52812b4d67afd1147416f3c2f6a555101ccfc
SHA1 hash: a9dc306722b7cd5c462ed4ec0e810a241cf3b56a
MD5 hash: 8fd4c1c0a4d67c8a0490b14cc2d220c9
humanhash: blossom-victor-mango-cold
File name:InstaII_patched.exe
Download: download sample
Signature Rhadamanthys
Create hunting rule
File size:4'053'504 bytes
First seen:2025-03-22 14:32:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash eb856eced3e07eb4313eca5305eab632 (2 x Rhadamanthys)
ssdeep 49152:+1yL/cjqfydcQ+CY8wLbC/9uxbdD976wD1YsN6aQjF5on78dIHDCKUy6FrJD9F8F:+10S6u/MbdD976wJNTS5YwSIygJpF8
TLSH T18416F17B6F81FD71E3612C36C46B5F3AC7307A2F0A364806678439488A26D465E1E7F6
TrID 96.1% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
2.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
0.6% (.EXE) Win32 Executable (generic) (4504/4/1)
0.2% (.EXE) Win16/32 Executable Delphi generic (2072/23)
0.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon 399998ecd4d46c0e (572 x Quakbot, 137 x ArkeiStealer, 82 x GCleaner)
Reporter aachum
Tags:CryptOne de-pumped exe Rhadamanthys


Avatar
iamaachum
https://sharecbc6d1.html3.live/?data=eyJpZCI6IjQ3OTEiLCJwdWIiOiJmOTV6b25lLnRvLml0IiwicmVkaXJlY3RTdGVwIjoyLCJ0aW1lc3RhbXAiOjE3NDI2NTI2NTd9 => https://www.mediafire.com/file/ryhyzs9p7iyd0yo/#%F0%9D%93%9F%F0%9D%93%AA$$%F0%9D%93%92O%CC%84%F0%9D%94%BB%F0%9D%93%AE--7788__Set-%F0%9D%93%A4p_4Normal_%F0%9D%9F%9B%F0%9D%9F%9A_%F0%9D%9F%9E%F0%9D%9F%9C%F0%9D%95%93%F0%9D%95%9A!!!.7z.zip/file

Rhadamanthys C2:
http://api.cheperblast.top:443/76ece4d3ab5c60ead288414/9mdrhf7a.79sec

Intelligence

File Origin
# of uploads :
1
# of downloads :
479
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
InstaII_patched.exe
Verdict:
Malicious activity
Analysis date:
2025-03-22 14:15:33 UTC
Tags:
delphi rhadamanthys stealer auto generic shellcode
Link:
https://app.any.run/tasks/f3292ef0-990d-40db-959b-15ceadb0152e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67dec604c8a812f780e80d8a
Tags:
delphi cobalt emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Launching the default Windows debugger (dwwin.exe)
Detecting VM
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm borland_delphi fingerprint keylogger packed packed packer_detected
Link:
https://www.filescan.io/uploads/67deca25e05c48ec61e6145d/reports/2767938b-915d-4d3b-9199-fe1bd5608130/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/03efac4b1c306959a4211c4dc3f39a937b315bba1b85e95ed8e3d3ebff04e736
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8c300096-182d-4f87-b161-86bd4227d329
Result
Threat name:
CryptOne, RHADAMANTHYS
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1645800
Signature
Allocates memory in foreign processes
Checks if the current machine is a virtual machine (disk enumeration)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample uses process hollowing technique
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected CryptOne packer
Yara detected RHADAMANTHYS Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1645800 Sample: InstaII_patched.exe Startdate: 22/03/2025 Architecture: WINDOWS Score: 100 23 cloudflare-dns.com 2->23 39 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected RHADAMANTHYS Stealer 2->43 45 2 other signatures 2->45 8 InstaII_patched.exe 1 2->8         started        signatures3 process4 file5 21 C:\Users\user\AppData\...\svchost015.exe, PE32 8->21 dropped 47 Writes to foreign memory regions 8->47 49 Allocates memory in foreign processes 8->49 51 Sample uses process hollowing technique 8->51 53 Injects a PE file into a foreign processes 8->53 12 svchost015.exe 1 8->12         started        signatures6 process7 signatures8 55 Switches to a custom stack to bypass stack traces 12->55 15 svchost.exe 12->15         started        19 WerFault.exe 2 12->19         started        process9 dnsIp10 25 api.cheperblast.top 15->25 27 api.cheperblast.top 88.218.62.172, 443, 49682, 49683 E-STYLEISP-ASRU Russian Federation 15->27 29 cloudflare-dns.com 104.16.249.249, 443, 49681 CLOUDFLARENETUS United States 15->29 31 System process connects to network (likely due to code injection or exploit) 15->31 33 Query firmware table information (likely to detect VMs) 15->33 35 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 15->35 37 4 other signatures 15->37 signatures11
Score:
94%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/03efac4b1c306959a4211c4dc3f39a937b315bba1b85e95ed8e3d3ebff04e736
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/03efac4b1c306959a4211c4dc3f39a937b315bba1b85e95ed8e3d3ebff04e736/
Threat name:
Win32.Exploit.Rhadamanthys
Create hunting rule
Status:
Malicious
First seen:
2025-03-22 14:15:35 UTC
File Type:
PE (Exe)
Extracted files:
50
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=apx2ysy4gbuvtjbbdrg4h442sn5tcw52doc6sxwy4pj6x7ye443a._file
Verdict:
malicious
Label(s):
rhadamanthys
Create hunting rule
Similar samples:
error
Rhadamanthys
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery
Link:
https://tria.ge/reports/250322-rwwh3svshx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Suspicious use of NtCreateUserProcessOtherParentProcess
Gathering data
Unpacked files
SH256 hash:
03efac4b1c306959a4211c4dc3f39a937b315bba1b85e95ed8e3d3ebff04e736
MD5 hash:
8fd4c1c0a4d67c8a0490b14cc2d220c9
SHA1 hash:
a9dc306722b7cd5c462ed4ec0e810a241cf3b56a
Link:
https://www.unpac.me/results/dab1c435-b948-474c-85dc-000eac8f0d5f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/03efac4b1c30/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/03efac4b1c306959a4211c4dc3f39a937b315bba1b85e95ed8e3d3ebff04e736

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:BobSoftMiniDelphiBoBBobSoft
Create hunting rule
Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
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.

Web download

Rhadamanthys

7z 6066e8ac39197f8975ef8bbac029aefab50a7f0626b5bb7dea7c1d31dd034196

Rhadamanthys

Executable exe 03efac4b1c306959a4211c4dc3f39a937b315bba1b85e95ed8e3d3ebff04e736

(this sample)

  
Link
https://tria.ge/250322-rhtgkayks3/behavioral1
  
Dropped by
SHA256 6066e8ac39197f8975ef8bbac029aefab50a7f0626b5bb7dea7c1d31dd034196
  
Delivery method
Distributed via web download
  
Dropped by
MD5 5df81f0992f0a950d02d95f90e2f7fcc

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryA
kernel32.dll::GetSystemInfo
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::FindFirstFileA
kernel32.dll::GetTempPathA
version.dll::GetFileVersionInfoSizeA
version.dll::GetFileVersionInfoA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::FindWindowA
user32.dll::PeekMessageA
user32.dll::CreateWindowExA

Comments