MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea5dde14d246ccd06503dd2b05822618b7d62a9630ccd5d2351efd1e3ede9682. 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: 11


Intelligence 11 IOCs YARA 9 File information Comments

SHA256 hash: ea5dde14d246ccd06503dd2b05822618b7d62a9630ccd5d2351efd1e3ede9682
SHA3-384 hash: 6d5d8e21fb2d24791d3694fa454a726dae666977d2eba8c292e13f52b92a10a1ef3b741b1cfe3d826ec5a475df105642
SHA1 hash: a2f7c8ed47b957dbd05287f207dd4dc2b49a82b7
MD5 hash: 728c3048cd9b3a2830f9fc48cfca62c2
humanhash: william-cold-chicken-eighteen
File name:task.dll
Download: download sample
Signature OrcusRAT
File size:1'129'592 bytes
First seen:2026-02-12 09:19:41 UTC
Last seen:2026-02-12 10:25:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c65ed3a99850b1c3dea70f50ea322588 (6 x OrcusRAT)
ssdeep 24576:8yK2T7g4FwxPPATyiq7h0RxNOTMRyqUn9CiV:tT1+aTS+RTIqUn9XV
Threatray 12 similar samples on MalwareBazaar
TLSH T1E1359D1DADA900BAD077D039CA930546FBB278222720AEDF13D1035D9E67BF57A39319
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:dll exe OrcusRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
102
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Malware family:
ID:
1
File name:
task.dll
Verdict:
Malicious activity
Analysis date:
2026-02-12 09:19:56 UTC
Tags:
etherhiding evasion rat orcus loader arch-doc donutloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:
Result
Gathering data
Verdict:
Malicious
File Type:
dll x64
First seen:
2026-02-12T05:17:00Z UTC
Last seen:
2026-02-12T05:44:00Z UTC
Hits:
~100
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Benign windows process drops PE files
Changes memory attributes in foreign processes to executable or writable
Creates a thread in another existing process (thread injection)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sets debug register (to hijack the execution of another thread)
Sigma detected: RunDLL32 Spawning Explorer
Sigma detected: Suspect Svchost Activity
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected Orcus RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1868272 Sample: task.dll.exe Startdate: 12/02/2026 Architecture: WINDOWS Score: 100 76 polygon-rpc.com 2->76 78 ip-api.com 2->78 80 2 other IPs or domains 2->80 104 Suricata IDS alerts for network traffic 2->104 106 Malicious sample detected (through community Yara rule) 2->106 108 Antivirus detection for URL or domain 2->108 110 7 other signatures 2->110 12 loaddll64.exe 1 2->12         started        14 rundll32.exe 2->14         started        signatures3 process4 process5 16 rundll32.exe 1 12->16         started        19 cmd.exe 1 12->19         started        21 rundll32.exe 12->21         started        23 conhost.exe 12->23         started        signatures6 88 Changes memory attributes in foreign processes to executable or writable 16->88 90 Injects code into the Windows Explorer (explorer.exe) 16->90 92 Writes to foreign memory regions 16->92 94 3 other signatures 16->94 25 explorer.exe 48 11 16->25 injected 30 rundll32.exe 19->30         started        process7 dnsIp8 82 31.172.80.212, 443, 49690, 49691 DE-FIRSTCOLOwwwfirst-colonetDE Germany 25->82 84 polygon-rpc.com 208.65.176.248, 443, 49689, 49695 SHOREHAMTELUS United States 25->84 86 204.79.197.203, 443, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->86 68 b0fad232-366e-48a7-84ff-7e22460359a6.dll, PE32+ 25->68 dropped 112 System process connects to network (likely due to code injection or exploit) 25->112 114 Benign windows process drops PE files 25->114 116 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 25->116 124 2 other signatures 25->124 32 svchost.exe 1 12 25->32         started        37 svchost.exe 12 25->37         started        39 svchost.exe 4 25->39         started        41 3 other processes 25->41 118 Changes memory attributes in foreign processes to executable or writable 30->118 120 Injects code into the Windows Explorer (explorer.exe) 30->120 122 Writes to foreign memory regions 30->122 126 3 other signatures 30->126 file9 signatures10 process11 dnsIp12 70 ip-api.com 208.95.112.1, 49701, 49702, 80 TUT-ASUS United States 32->70 64 C:\ProgramData\wjefbrwb.f0v\app.dll, PE32+ 32->64 dropped 96 Sets debug register (to hijack the execution of another thread) 32->96 98 Modifies the context of a thread in another process (thread injection) 32->98 100 Unusual module load detection (module proxying) 32->100 43 rundll32.exe 3 32->43         started        72 91.92.240.114, 20000, 49738 THEZONEBG Bulgaria 37->72 66 C:\ProgramData\cuyhjdza.z0k\app.dll, PE32+ 37->66 dropped 46 rundll32.exe 3 37->46         started        74 91.92.240.204, 10000, 49707 THEZONEBG Bulgaria 39->74 102 Installs a global keyboard hook 39->102 file13 signatures14 process15 signatures16 128 Injects a PE file into a foreign processes 43->128 48 chrome.exe 7 43->48         started        50 msedge.exe 43->50         started        130 Writes to foreign memory regions 46->130 132 Allocates memory in foreign processes 46->132 134 Creates a thread in another existing process (thread injection) 46->134 52 chrome.exe 7 46->52         started        54 msedge.exe 46->54         started        process17 process18 56 WerFault.exe 21 48->56         started        58 WerFault.exe 50->58         started        60 WerFault.exe 52->60         started        62 WerFault.exe 54->62         started       
Gathering data
Gathering data
Result
Malware family:
Score:
  10/10
Tags:
family:donutloader family:orcus discovery loader persistence rat spyware stealer
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
cURL User-Agent
Browser Information Discovery
Looks up external IP address via web service
Loads dropped DLL
Downloads MZ/PE file
Orcurs Rat Executable
Detects DonutLoader
DonutLoader
Donutloader family
Orcus
Orcus family
Malware Config
C2 Extraction:
91.92.240.204:10000
Unpacked files
SH256 hash:
ea5dde14d246ccd06503dd2b05822618b7d62a9630ccd5d2351efd1e3ede9682
MD5 hash:
728c3048cd9b3a2830f9fc48cfca62c2
SHA1 hash:
a2f7c8ed47b957dbd05287f207dd4dc2b49a82b7
Malware family:
DonutLoader
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:ReflectiveLoader
Author:Florian Roth (Nextron Systems)
Description:Detects a unspecified hack tool, crack or malware using a reflective loader - no hard match - further investigation recommended
Reference:Internal Research
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants

File information


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

Web download

OrcusRAT

Executable exe ea5dde14d246ccd06503dd2b05822618b7d62a9630ccd5d2351efd1e3ede9682

(this sample)

  
Delivery method
Distributed via web download

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