MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb8df076a9c27ca87f349a751a3f74d8f121ec0e96da996942d02099510085ea. 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



OrcusRAT


Vendor detections: 20


Intelligence 20 IOCs 1 YARA 22 File information Comments

SHA256 hash: eb8df076a9c27ca87f349a751a3f74d8f121ec0e96da996942d02099510085ea
SHA3-384 hash: ec5201392f69c7564e113ecf3003c258d8de6e434f61d682d635ae7c23d654f2246cdd3e10fd6d8b7b61e9205ed01e72
SHA1 hash: c284a7ab268252b72eb9af58acdb984f0ea537f9
MD5 hash: fe25a1e820f837a06b4df91d2f88709d
humanhash: hotel-crazy-missouri-beryllium
File name:eb8df076a9c27ca87f349a751a3f74d8f121ec0e96da9.exe
Download: download sample
Signature OrcusRAT
File size:3'112'960 bytes
First seen:2025-08-28 21:55:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 49152:8O5PuhZKMJKOKQRboFmFiKgJ98TV1AypQxb9o9JnCmWI/nkrrzI0AilFCvxHI:8KWGIKQRoFmFiKw96SypSb9o9JCmZ/n
Threatray 271 similar samples on MalwareBazaar
TLSH T15EE512417BECAE07C2BE2BB8BA730EC907B9EA02A452FB0E0450616D1D9F345BD55357
TrID 58.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
13.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.4% (.EXE) Win64 Executable (generic) (10522/11/4)
5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter abuse_ch
Tags:exe OrcusRAT


Avatar
abuse_ch
OrcusRAT C2:
91.237.124.194:10134

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
91.237.124.194:10134 https://threatfox.abuse.ch/ioc/1576650/

Intelligence


File Origin
# of uploads :
1
# of downloads :
74
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
55073fbca764ca83d9710cd3dc7c2d66.exe
Verdict:
Malicious activity
Analysis date:
2025-08-28 21:52:31 UTC
Tags:
rat orcus auto-reg loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
dropper packed orcus micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Creating a service
Creating a file
Launching a service
Searching for synchronization primitives
Creating a file in the Program Files subdirectories
Enabling the 'hidden' option for recently created files
Connection attempt
Sending a custom TCP request
Creating a window
Creating a file in the %AppData% directory
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun for a service
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
agenttesla anti-debug anti-vm base64 cmd evasive explorer fingerprint infostealer lolbin obfuscated orcus orcusrat packed quasarrat reconnaissance regedit rundll32 stealer stealer threat vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-24T13:10:00Z UTC
Last seen:
2025-08-24T13:10:00Z UTC
Hits:
~100
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to disable the Task Manager (.Net Source)
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Reads the Security eventlog
Reads the System eventlog
Suricata IDS alerts for network traffic
Yara detected Orcus RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1767342 Sample: eb8df076a9c27ca87f349a751a3... Startdate: 28/08/2025 Architecture: WINDOWS Score: 100 51 Suricata IDS alerts for network traffic 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 10 other signatures 2->57 8 eb8df076a9c27ca87f349a751a3f74d8f121ec0e96da9.exe 10 2->8         started        12 svchost.exe 2->12         started        14 svchost.exe 1 1 2->14         started        17 10 other processes 2->17 process3 dnsIp4 39 C:\Windows\SysWOW64\WindowsInput.exe, PE32 8->39 dropped 41 C:\Program Files (x86)\...\System32.exe, PE32 8->41 dropped 43 C:\Windows\SysWOW64\WindowsInput.exe.config, XML 8->43 dropped 45 3 other malicious files 8->45 dropped 67 Drops executables to the windows directory (C:\Windows) and starts them 8->67 19 System32.exe 1 5 8->19         started        23 WindowsInput.exe 2 4 8->23         started        69 Changes security center settings (notifications, updates, antivirus, firewall) 12->69 26 MpCmdRun.exe 12->26         started        49 127.0.0.1 unknown unknown 14->49 file5 signatures6 process7 dnsIp8 47 91.237.124.194, 10134, 49712, 49724 MIRATEL-UA-ASUA Ukraine 19->47 35 C:\Users\user\AppData\Roaming\System32.exe, PE32 19->35 dropped 37 C:\Users\user\AppData\...\System32.exe.config, XML 19->37 dropped 28 System32.exe 19->28         started        59 Antivirus detection for dropped file 23->59 61 Multi AV Scanner detection for dropped file 23->61 63 Reads the Security eventlog 23->63 65 Reads the System eventlog 23->65 31 conhost.exe 26->31         started        file9 signatures10 process11 signatures12 71 Antivirus detection for dropped file 28->71 73 Multi AV Scanner detection for dropped file 28->73 33 System32.exe 28->33         started        process13
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Sorcurat
Status:
Malicious
First seen:
2025-08-24 09:31:00 UTC
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:orcus defense_evasion discovery persistence rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in System32 directory
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Modifies trusted root certificate store through registry
Orcurs Rat Executable
Orcus
Orcus family
Orcus main payload
Malware Config
C2 Extraction:
91.237.124.194:10134
Verdict:
Malicious
Tags:
rat orcus_rat stealer agent_tesla Win.Packed.Generic-9805849-0
YARA:
win_orcus_rat_simple_strings_dec_2023 Agenttesla_type2 JPCERTCC_Agenttesla_Type2
Unpacked files
SH256 hash:
eb8df076a9c27ca87f349a751a3f74d8f121ec0e96da996942d02099510085ea
MD5 hash:
fe25a1e820f837a06b4df91d2f88709d
SHA1 hash:
c284a7ab268252b72eb9af58acdb984f0ea537f9
Detections:
win_orcus_rat_a0 OrcusRAT
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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:ByteCode_MSIL_Backdoor_OrcusRAT
Author:ReversingLabs
Description:Yara rule that detects OrcusRAT backdoor.
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_Fody
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Author:ditekSHen
Description:Detects executables containing common artifacts observed in infostealers
Rule name:Lumma_Stealer_Detection
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RAT_win_Orcus
Author:KrknSec
Description:Detects Orcus RAT
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.orcus_rat
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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:win_orcus_rat_simple_strings_dec_2023
Author:Matthew @ Embee_Research
Description:Strings observed in Orcus RAT

File information


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

Comments