MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef51fdbde6c54814cee9499f7c34ab1c90e5581d435bea79f9ae5ec232aa4088. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef51fdbde6c54814cee9499f7c34ab1c90e5581d435bea79f9ae5ec232aa4088
SHA3-384 hash: 11af7226bca94c47fe55b3fea38cdc1aba6c5f7920536b4b7f9bd6ca05e9b071e89ac7fc558a9f2de2ff128dba88c2f0
SHA1 hash: 27b5681454525648b1d927633db8bd74a9ce18ef
MD5 hash: 62ae1cc5a3f378e4b3f86625dd9590bf
humanhash: maine-autumn-robin-nine
File name:Loader.exe
Download: download sample
Signature Rhadamanthys
Create hunting rule
File size:1'526'272 bytes
First seen:2025-06-12 20:04:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f811af01ac6c2789aa091e7bc9b7b43a (18 x Rhadamanthys, 1 x CoinMiner)
ssdeep 24576:Rp7OS2G0BW5dpct108/7h6gv9CIRh8nuO4hwRbUetarg+NdQByD7nC5Ev0hkEAhM:RsKECr21F74gvgMh8nulhcUcaTnCGEAO
Threatray 171 similar samples on MalwareBazaar
TLSH T17D652377155ABDE3D23173F06CF266180A7AF0A12F589BA8F40B8A12D15299CDF357C4
TrID 29.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
22.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
20.3% (.EXE) Win32 Executable (generic) (4504/4/1)
9.1% (.EXE) OS/2 Executable (generic) (2029/13)
9.0% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter aachum
Tags:180-178-189-34 213-209-150-143 exe Rhadamanthys


Avatar
iamaachum
https://www.youtube.com/watch?v=pmNBg7Bm3PM => https://app.mediafire.com/folder/lwu3tilsok3mw

Intelligence

File Origin
# of uploads :
1
# of downloads :
581
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Loader.exe
Verdict:
Malicious activity
Analysis date:
2025-06-12 20:07:16 UTC
Tags:
themida stealer rhadamanthys shellcode pastebin winring0x64-sys vuln-driver
Link:
https://app.any.run/tasks/d4cb186c-8389-4cfa-b8fd-032129a40d1e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/9217/
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684b332307b5e8c1cfe6994f
Tags:
vmdetect packed spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Trojan.GM.Generic
Link:
https://www.hybrid-analysis.com/sample/ef51fdbde6c54814cee9499f7c34ab1c90e5581d435bea79f9ae5ec232aa4088
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6b654f04-692d-481a-b386-24695bb13457
Result
Threat name:
RHADAMANTHYS
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1713642
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Deletes itself after installation
Disable Windows Defender notifications (registry)
Early bird code injection technique detected
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious sample
Maps a DLL or memory area into another process
Modifies windows update settings
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Queues an APC in another process (thread injection)
Sigma detected: Files With System Process Name In Unsuspected Locations
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes / dynamic malware analysis system (Installed program check)
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)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
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 RHADAMANTHYS Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1713642 Sample: Loader.exe Startdate: 12/06/2025 Architecture: WINDOWS Score: 100 94 x.ns.gin.ntt.net 2->94 96 twc.trafficmanager.net 2->96 98 6 other IPs or domains 2->98 126 Antivirus / Scanner detection for submitted sample 2->126 128 Multi AV Scanner detection for submitted file 2->128 130 Yara detected RHADAMANTHYS Stealer 2->130 132 4 other signatures 2->132 12 Loader.exe 2->12         started        15 msedge.exe 2->15         started        18 elevation_service.exe 2->18         started        20 3 other processes 2->20 signatures3 process4 dnsIp5 160 Query firmware table information (likely to detect VMs) 12->160 162 Switches to a custom stack to bypass stack traces 12->162 164 Tries to detect sandboxes / dynamic malware analysis system (registry check) 12->164 22 OpenWith.exe 12->22         started        26 Conhost.exe 12->26         started        122 192.168.2.9, 123, 138, 4233 unknown unknown 15->122 124 239.255.255.250 unknown Reserved 15->124 28 msedge.exe 15->28         started        30 msedge.exe 15->30         started        32 msedge.exe 15->32         started        34 msedge.exe 15->34         started        signatures6 process7 dnsIp8 106 180.178.189.34, 49693, 49729, 49730 GALAXY-AS-APGalaxyBroadbandPK Pakistan 22->106 142 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 22->142 144 Deletes itself after installation 22->144 146 Switches to a custom stack to bypass stack traces 22->146 36 OpenWith.exe 8 22->36         started        108 s-part-0012.t-0009.t-msedge.net 13.107.246.40, 443, 49716, 49717 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 28->108 110 s-part-0023.t-0009.t-msedge.net 13.107.246.51, 443, 49711 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 28->110 112 5 other IPs or domains 28->112 signatures9 process10 dnsIp11 100 time-a-g.nist.gov 129.6.15.28, 123, 56868 US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOGYUS United States 36->100 102 169.229.128.134, 123, 56868 UCBUS United States 36->102 104 6 other IPs or domains 36->104 88 C:\Users\user\AppData\Local\...88aU_.exe, PE32+ 36->88 dropped 90 C:\Users\user\AppData\Local\...\DztZ}7.exe, PE32 36->90 dropped 134 Early bird code injection technique detected 36->134 136 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 36->136 138 Tries to steal Mail credentials (via file / registry access) 36->138 140 7 other signatures 36->140 41 NaU_.exe 36->41         started        45 wmpnscfg.exe 36->45         started        47 chrome.exe 1 36->47         started        49 2 other processes 36->49 file12 signatures13 process14 file15 92 C:\ProgramData\Microsoft\...\WmiPrvSE.exe, PE32+ 41->92 dropped 148 Query firmware table information (likely to detect VMs) 41->148 150 Modifies windows update settings 41->150 152 Disable Windows Defender notifications (registry) 41->152 154 Tries to detect sandboxes / dynamic malware analysis system (registry check) 41->154 51 cmd.exe 41->51         started        53 sc.exe 41->53         started        55 sc.exe 41->55         started        66 6 other processes 41->66 156 Writes to foreign memory regions 45->156 158 Allocates memory in foreign processes 45->158 57 dllhost.exe 45->57         started        60 chrome.exe 47->60         started        62 chrome.exe 47->62         started        64 msedge.exe 49->64         started        signatures16 process17 dnsIp18 68 net.exe 51->68         started        70 conhost.exe 51->70         started        72 conhost.exe 53->72         started        74 Conhost.exe 53->74         started        76 conhost.exe 55->76         started        114 213.209.150.143, 4233, 49735 KEMINETAL Germany 57->114 116 142.251.40.129, 443, 49704 GOOGLEUS United States 60->116 118 127.0.0.1 unknown unknown 60->118 120 2 other IPs or domains 60->120 78 conhost.exe 66->78         started        80 conhost.exe 66->80         started        82 conhost.exe 66->82         started        84 3 other processes 66->84 process19 process20 86 net1.exe 68->86         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ef51fdbde6c54814cee9499f7c34ab1c90e5581d435bea79f9ae5ec232aa4088
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef51fdbde6c54814cee9499f7c34ab1c90e5581d435bea79f9ae5ec232aa4088/
Threat name:
Win32.Trojan.Rhadamanthys
Create hunting rule
Status:
Malicious
First seen:
2025-06-12 20:05:44 UTC
File Type:
PE (Exe)
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=55i73ppgyvebjtxjjgpxynfldsiokwa5inn6u6pzvzpmemvkicea._file
Verdict:
malicious
Label(s):
rhadamanthys
Create hunting rule
Similar samples:
0a5bb6b29e70f99c51cc97726ceab44771dca068cc5d56780c9abf71662bb287
Rhadamanthys
1b2a43bd39da50d2811c672a6a46aea4a48693535954534d88a05d278c62edd6
Rhadamanthys
1e342385819a0605226b411fe5748f75b33af63ed7d42c30bf61ab361cfa310f
Rhadamanthys
50cd136e622549f640a06120c22c47fb566c4555be8d94fa6740af74b9db489e
Rhadamanthys
64b5ab61bf52abbad72621534950c673c3a58589088ac471ce50795cf406eab9
Rhadamanthys
8e3fdb3882dcbe771400e696f7f66480960c46b42f95cc49edd00edb252c9c26
Rhadamanthys
a2f1fa7763b8c5a8b4a79e63262f6b8bcdd7e019ac86bfc9b95f0422a874047d
Rhadamanthys
c2e99b8ec6f48cd608d399db524711f08275477f9959c9e962b8175aaf3627b2
Rhadamanthys
d9099dc0e0b217beca26b3d9074df946a34bd5cad3b6bba5e1473b5395de927b
Rhadamanthys
da796e334852923b6153f097a2104ece9b4e9bd096dccfc314a7a8d7a7e4e200
Rhadamanthys
error
Rhadamanthys
+ 161 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion discovery themida trojan
Link:
https://tria.ge/reports/250612-yt7lws1wfy/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Checks whether UAC is enabled
Checks BIOS information in registry
Deletes itself
Themida packer
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/20f75fe3-d56e-46cf-bae5-2593b65e9a46
Unpacked files
SH256 hash:
ef51fdbde6c54814cee9499f7c34ab1c90e5581d435bea79f9ae5ec232aa4088
MD5 hash:
62ae1cc5a3f378e4b3f86625dd9590bf
SHA1 hash:
27b5681454525648b1d927633db8bd74a9ce18ef
Link:
https://www.unpac.me/results/96b55975-ac83-4799-889d-5fb9783b04e1/
Malware family:
Rhadamanthys
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ef51fdbde6c5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.34
Link:
https://yomi.yoroi.company/submissions/ef51fdbde6c54814cee9499f7c34ab1c90e5581d435bea79f9ae5ec232aa4088

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:INDICATOR_EXE_Packed_Themida
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Themida
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)
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

Rhadamanthys

Executable exe ef51fdbde6c54814cee9499f7c34ab1c90e5581d435bea79f9ae5ec232aa4088

(this sample)

  
Link
https://tria.ge/250612-ylc3ba1wc1/behavioral1
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/9217/

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments