MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46ac2ac73b0d42cacb46b0bdc9f2c359973d3dc2e20afe37576f611ce54550e8. 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: 46ac2ac73b0d42cacb46b0bdc9f2c359973d3dc2e20afe37576f611ce54550e8
SHA3-384 hash: 840b70c6dc9340c1129f033293cea2d92d6c887e5df725cb5f7fad8e57bdab8dbd0a86a6bafc9209266c5c35c1a9e8ad
SHA1 hash: 188af680ed4311ead325c06cbeb82bd618206cfe
MD5 hash: c9bd519f927e52af32103ce576867987
humanhash: river-carolina-lactose-high
File name:task.dll
Download: download sample
Signature OrcusRAT
File size:1'129'592 bytes
First seen:2026-02-12 09:20:50 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 24576:8yKBT7g4FwxPPATyiq7h0RxNOTMRyqUn9CiI2V:iT1+aTS+RTIqUn9XIg
Threatray 7 similar samples on MalwareBazaar
TLSH T153359E1DADA900BAE077D039CA930546FBB278222720AEDF13D1035D5E67BF57A39319
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:
_46ac2ac73b0d42cacb46b0bdc9f2c359973d3dc2e20afe37576f611ce54550e8.dll
Verdict:
Malicious activity
Analysis date:
2026-02-12 09:27:34 UTC
Tags:
etherhiding rat orcus evasion loader donutloader arch-doc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypto expired-cert explorer fingerprint invalid-signature lolbin masquerade microsoft_visual_cc packed signed
Result
Gathering data
Verdict:
Malicious
File Type:
dll x64
First seen:
2026-02-11T15:33:00Z UTC
Last seen:
2026-02-11T16:55:00Z 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: 1868264 Sample: task.dll.exe Startdate: 12/02/2026 Architecture: WINDOWS Score: 100 72 polygon-rpc.com 2->72 74 ip-api.com 2->74 76 bg.microsoft.map.fastly.net 2->76 88 Suricata IDS alerts for network traffic 2->88 90 Malicious sample detected (through community Yara rule) 2->90 92 Antivirus detection for URL or domain 2->92 94 7 other signatures 2->94 13 loaddll64.exe 1 2->13         started        15 rundll32.exe 2->15         started        signatures3 process4 process5 17 cmd.exe 1 13->17         started        19 rundll32.exe 1 13->19         started        22 rundll32.exe 13->22         started        24 conhost.exe 13->24         started        signatures6 26 rundll32.exe 17->26         started        96 Changes memory attributes in foreign processes to executable or writable 19->96 98 Injects code into the Windows Explorer (explorer.exe) 19->98 100 Writes to foreign memory regions 19->100 102 3 other signatures 19->102 process7 signatures8 112 Changes memory attributes in foreign processes to executable or writable 26->112 114 Injects code into the Windows Explorer (explorer.exe) 26->114 116 Writes to foreign memory regions 26->116 118 3 other signatures 26->118 29 explorer.exe 44 14 26->29 injected process9 dnsIp10 84 31.172.80.212, 443, 49688, 49690 DE-FIRSTCOLOwwwfirst-colonetDE Germany 29->84 86 polygon-rpc.com 69.4.232.9, 443, 49687, 49689 SOFTLAYERUS United States 29->86 70 95ed1fb1-fa7e-4867-b0e8-8275ebecf346.dll, PE32+ 29->70 dropped 128 System process connects to network (likely due to code injection or exploit) 29->128 130 Benign windows process drops PE files 29->130 132 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 29->132 134 3 other signatures 29->134 34 svchost.exe 1 12 29->34         started        39 svchost.exe 12 29->39         started        41 svchost.exe 4 29->41         started        43 3 other processes 29->43 file11 signatures12 process13 dnsIp14 78 ip-api.com 208.95.112.1, 49703, 49705, 80 TUT-ASUS United States 34->78 66 C:\ProgramData\kjkqp0hp.flo\app.dll, PE32+ 34->66 dropped 104 Sets debug register (to hijack the execution of another thread) 34->104 106 Modifies the context of a thread in another process (thread injection) 34->106 108 Unusual module load detection (module proxying) 34->108 45 rundll32.exe 3 34->45         started        80 91.92.240.114, 20000, 49744, 49746 THEZONEBG Bulgaria 39->80 68 C:\ProgramData\x31fmjuh.fmy\app.dll, PE32+ 39->68 dropped 48 rundll32.exe 39->48         started        82 91.92.240.204, 10000, 49706 THEZONEBG Bulgaria 41->82 110 Installs a global keyboard hook 41->110 file15 signatures16 process17 signatures18 120 Writes to foreign memory regions 45->120 122 Allocates memory in foreign processes 45->122 124 Creates a thread in another existing process (thread injection) 45->124 50 chrome.exe 7 45->50         started        52 msedge.exe 45->52         started        126 Injects a PE file into a foreign processes 48->126 54 chrome.exe 48->54         started        56 msedge.exe 48->56         started        process19 process20 58 WerFault.exe 21 50->58         started        60 WerFault.exe 52->60         started        62 WerFault.exe 54->62         started        64 WerFault.exe 56->64         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:
46ac2ac73b0d42cacb46b0bdc9f2c359973d3dc2e20afe37576f611ce54550e8
MD5 hash:
c9bd519f927e52af32103ce576867987
SHA1 hash:
188af680ed4311ead325c06cbeb82bd618206cfe
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 46ac2ac73b0d42cacb46b0bdc9f2c359973d3dc2e20afe37576f611ce54550e8

(this sample)

  
Delivery method
Distributed via web download

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