MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31397c64177dd2f32735196b3d31d9f60a590a0b90a8d5bd266a57e7878832b3. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: 31397c64177dd2f32735196b3d31d9f60a590a0b90a8d5bd266a57e7878832b3
SHA3-384 hash: b2d0e201c4c80d7fca7111ac1012e038975225506217655897ad022efb205455aa4b23ec2091a1ceed8aca309c645e6e
SHA1 hash: 1e7f914bd3706644c26fce30fc5b3c904b3cf0e5
MD5 hash: f16e13b609e73b5ab61080c2d31cd001
humanhash: hawaii-fifteen-alanine-king
File name:mscorsvc.dll
Download: download sample
Signature Rhadamanthys
File size:685'056 bytes
First seen:2025-10-29 20:03:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0b8fc27747798374128089e16d9229e2 (6 x Rhadamanthys, 1 x Stealc, 1 x MaskGramStealer)
ssdeep 12288:cgvVEiYAJ0U4UGJ8zQzCVpyEE1X/olJoikqpDzvSD6IGTSTGwmLsZN6m:bzYLUnzU2pLsYGiLDzvSGIGTjwSm
TLSH T16BE423BD5A7DCB4ED854DC75C098EC42D4F236AC6F98B5BE8E18D170ED41AB81D082A3
TrID 38.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.6% (.ICL) Windows Icons Library (generic) (2059/9)
15.4% (.EXE) OS/2 Executable (generic) (2029/13)
15.2% (.EXE) Generic Win/DOS Executable (2002/3)
15.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter burger
Tags:exe Rhadamanthys

Intelligence


File Origin
# of uploads :
1
# of downloads :
124
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
mscorsvc.dll
Verdict:
No threats detected
Analysis date:
2025-10-29 20:02:39 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
emotet
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
DNS request
Connection attempt
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug hacktool masquerade microsoft_visual_cc packed
Verdict:
Malicious
File Type:
dll x64
First seen:
2025-10-29T19:28:00Z UTC
Last seen:
2025-10-29T19:46:00Z UTC
Hits:
~10
Detections:
Trojan.Win64.Donut.sb Trojan.Win64.Agentb.sb Trojan.Win32.Shellcode.gxa Trojan.Win32.Inject.sb Trojan.Win64.SBEscape.sb Trojan.Win64.DonutInjector.sb Trojan.Win32.Shellcode.sb MEM:Trojan.Win64.Shellcode.gen MEM:Trojan.Win64.Shellcode.a MEM:Trojan.Win64.Cometer.gen HEUR:Trojan.Win64.Donut.a HEUR:Trojan.Multi.Donut.b Trojan-PSW.Win32.Rhadamanthys.sb
Result
Threat name:
DonutLoader, Phoenix Stealer, RHADAMANTH
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Creates a thread in another existing process (thread injection)
Early bird code injection technique detected
Found many strings related to Crypto-Wallets (likely being stolen)
Injects code into the Windows Explorer (explorer.exe)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Queues an APC in another process (thread injection)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (Installed program check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Writes to foreign memory regions
Yara detected DonutLoader
Yara detected Phoenix Stealer
Yara detected RHADAMANTHYS Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1804482 Sample: mscorsvc.dll.exe Startdate: 29/10/2025 Architecture: WINDOWS Score: 100 39 x.ns.gin.ntt.net 2->39 41 twc.trafficmanager.net 2->41 43 9 other IPs or domains 2->43 55 Malicious sample detected (through community Yara rule) 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 Yara detected DonutLoader 2->59 61 2 other signatures 2->61 9 loaddll64.exe 1 2->9         started        12 explorer.exe 42 144 2->12         started        15 elevation_service.exe 2->15         started        17 3 other processes 2->17 signatures3 process4 dnsIp5 71 Injects code into the Windows Explorer (explorer.exe) 9->71 73 Writes to foreign memory regions 9->73 75 Allocates memory in foreign processes 9->75 77 Creates a thread in another existing process (thread injection) 9->77 19 explorer.exe 21 8 9->19 injected 23 cmd.exe 1 9->23         started        25 conhost.exe 9->25         started        53 ax-0003.ax-msedge.net 150.171.27.12, 443, 49727 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 12->53 79 System process connects to network (likely due to code injection or exploit) 12->79 81 Query firmware table information (likely to detect VMs) 12->81 signatures6 process7 dnsIp8 47 94.74.164.94, 49718, 49721, 49722 FARAHOOSHIR Iran (ISLAMIC Republic Of) 19->47 49 time-a-g.nist.gov 129.6.15.28, 123, 49795 US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOGYUS United States 19->49 51 6 other IPs or domains 19->51 63 System process connects to network (likely due to code injection or exploit) 19->63 65 Early bird code injection technique detected 19->65 67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->67 69 6 other signatures 19->69 27 wmlaunch.exe 19->27         started        30 chrome.exe 19->30         started        32 rundll32.exe 23->32         started        signatures9 process10 signatures11 83 Writes to foreign memory regions 27->83 85 Allocates memory in foreign processes 27->85 34 dllhost.exe 27->34         started        37 WerFault.exe 20 16 32->37         started        process12 dnsIp13 45 176.46.141.11, 49725, 6431 ESTPAKEE Iran (ISLAMIC Republic Of) 34->45
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Malgent
Status:
Malicious
First seen:
2025-10-29 20:03:00 UTC
File Type:
PE+ (Dll)
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
donut_injector smokeloader
Similar samples:
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Unpacked files
SH256 hash:
31397c64177dd2f32735196b3d31d9f60a590a0b90a8d5bd266a57e7878832b3
MD5 hash:
f16e13b609e73b5ab61080c2d31cd001
SHA1 hash:
1e7f914bd3706644c26fce30fc5b3c904b3cf0e5
Malware family:
Rhadamanthys
Verdict:
Malicious
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

File information


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

Comments