MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1780430ff5ad71b8c89b9c59d2924b16cb7fd07da479b8b394846c792f7523cb. 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: 15


Intelligence 15 IOCs YARA 7 File information Comments

SHA256 hash: 1780430ff5ad71b8c89b9c59d2924b16cb7fd07da479b8b394846c792f7523cb
SHA3-384 hash: 18ee475a7690447b127473e9492ec93e8caf6a39407ce9f4ed1a07ed2a92e7357160f07cac7230e3d34aefc16aaf2e19
SHA1 hash: 275ec0e362cb074d5f080aaa41c25a8ecebe3205
MD5 hash: ac0431f34683bcbbb2cf23aaf29ea8cf
humanhash: florida-minnesota-south-quiet
File name:ac0431f34683bcbbb2cf23aaf29ea8cf.exe
Download: download sample
Signature OrcusRAT
File size:938'496 bytes
First seen:2022-10-19 06:00:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:r6w4MROxnFD3674S4xrZlI0AilFEvxHiBO:r6TMiJtrZlI0AilFEvxHi
Threatray 128 similar samples on MalwareBazaar
TLSH T17415BF013FACBD07C1BE6678B6731AC90FB8E8066452FB4E085861AD1DAF741BD16367
TrID 53.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
12.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.6% (.SCR) Windows screen saver (13101/52/3)
7.7% (.EXE) Win64 Executable (generic) (10523/12/4)
4.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:exe OrcusRAT RAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
ac0431f34683bcbbb2cf23aaf29ea8cf.exe
Verdict:
Malicious activity
Analysis date:
2022-10-19 06:31:37 UTC
Tags:
rat orcus

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
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
Creating a window
Creating a file in the %AppData% directory
Enabling autorun for a service
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm backnet cmd.exe explorer.exe keylogger orcus packed rat regedit.exe rundll32.exe setupapi.dll shell32.dll stealer
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
troj.expl.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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Sigma detected: Dot net compiler compiles file from suspicious location
Yara detected Costura Assembly Loader
Yara detected Orcus RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 725857 Sample: c363sqXqo2.exe Startdate: 19/10/2022 Architecture: WINDOWS Score: 100 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus detection for dropped file 2->63 65 Antivirus / Scanner detection for submitted sample 2->65 67 11 other signatures 2->67 8 c363sqXqo2.exe 20 2->8         started        12 svchost.exe 2->12         started        14 svchost.exe 3 2->14         started        16 14 other processes 2->16 process3 dnsIp4 47 C:\Windows\SysWOW64\WindowsInput.exe, PE32 8->47 dropped 49 C:\Program Files\orc\orc.exe, PE32 8->49 dropped 51 C:\Windows\SysWOW64\WindowsInput.exe.config, XML 8->51 dropped 53 4 other malicious files 8->53 dropped 75 Drops executables to the windows directory (C:\Windows) and starts them 8->75 19 orc.exe 1 5 8->19         started        23 WindowsInput.exe 2 4 8->23         started        26 csc.exe 3 8->26         started        77 Changes security center settings (notifications, updates, antivirus, firewall) 12->77 28 MpCmdRun.exe 12->28         started        79 Query firmware table information (likely to detect VMs) 14->79 55 192.168.2.1 unknown unknown 16->55 file5 signatures6 process7 dnsIp8 57 173.225.115.99, 80 WEBAIR-INTERNET-3CA United States 19->57 59 146.70.143.176, 49721, 49726, 49731 TENET-1ZA United Kingdom 19->59 41 C:\Users\user\AppData\Roaming\Watchdog.exe, PE32 19->41 dropped 43 C:\Users\user\AppData\...\Watchdog.exe.config, XML 19->43 dropped 30 Watchdog.exe 19->30         started        69 Antivirus detection for dropped file 23->69 71 Multi AV Scanner detection for dropped file 23->71 73 Machine Learning detection for dropped file 23->73 45 C:\Users\user\AppData\Local\...\6byly_y3.dll, PE32 26->45 dropped 33 conhost.exe 26->33         started        35 cvtres.exe 1 26->35         started        37 conhost.exe 28->37         started        file9 signatures10 process11 signatures12 81 Antivirus detection for dropped file 30->81 83 Multi AV Scanner detection for dropped file 30->83 85 Machine Learning detection for dropped file 30->85 39 Watchdog.exe 30->39         started        process13
Threat name:
ByteCode-MSIL.Worm.Ainslot
Status:
Malicious
First seen:
2022-09-30 23:52:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:orcus persistence rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Adds Run key to start application
Drops desktop.ini file(s)
Checks computer location settings
Executes dropped EXE
Orcurs Rat Executable
Orcus
Orcus main payload
Malware Config
C2 Extraction:
146.70.143.176:81
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1780430ff5ad71b8c89b9c59d2924b16cb7fd07da479b8b394846c792f7523cb
MD5 hash:
ac0431f34683bcbbb2cf23aaf29ea8cf
SHA1 hash:
275ec0e362cb074d5f080aaa41c25a8ecebe3205
Detections:
win_orcus_rat_a0
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:INDICATOR_EXE_Packed_Fody
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:MAL_BackNet_Nov18_1
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_BackNet_Nov18_1_RID2D6D
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

OrcusRAT

Executable exe 1780430ff5ad71b8c89b9c59d2924b16cb7fd07da479b8b394846c792f7523cb

(this sample)

  
Delivery method
Distributed via web download

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