MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4d825f30a5eca160477549e98355ae8c6c54ecc3f0cd89e1a9936760f374ce4. 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: 8


Intelligence 8 IOCs 1 YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4d825f30a5eca160477549e98355ae8c6c54ecc3f0cd89e1a9936760f374ce4
SHA3-384 hash: 0781da9061bda2f0b5a45517022c5e65e8c790304169c655a2ee0c8f9f7a7a520365eb7adc4b575dbe27975be0f64d8e
SHA1 hash: 70a8a303c5b44e89c56dea9b5d0b91737e3f3e8e
MD5 hash: d2e3d68aa8ee416954e55523d7e26b6b
humanhash: delta-oranges-white-georgia
File name:b4d825f30a5eca160477549e98355ae8c6c54ecc3f0cd.exe
Download: download sample
Signature OrcusRAT
Create hunting rule
File size:1'058'304 bytes
First seen:2022-06-17 21:28:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:rYPb3JF9mPwbFgpxaE51ITy8efW5tOZZBfaoY3YXgLrrAq:sbZiwqD1IO8iW5tAkoY3YXgLrrA
TLSH T12F3512347079D682CFBFB23FC74654652F33A2032272F35A684926C96962E415F8B71B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe OrcusRAT


Avatar
abuse_ch
OrcusRAT C2:
107.182.128.18:3030

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
107.182.128.18:3030 https://threatfox.abuse.ch/ioc/716164/

Intelligence

File Origin
# of uploads :
1
# of downloads :
525
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/281062/
Detection(s):
SecuriteInfo.com.Variant.Tedy.125157.1224.5300.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Searching for synchronization primitives
Launching the process to interact with network services
Creating a file in the Windows subdirectories
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a single autorun event
Adding exclusions to Windows Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
packed
Link:
https://www.filescan.io/uploads/62acf25c473553ed319ab9d9/reports/a164804b-7e0f-4627-a6f8-5533bbb9f88b/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5c933e4b-7224-43e2-b9cf-dbfc316302a8
Result
Threat name:
Orcus
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1015476
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Adds a new user with administrator rights
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to disable the Task Manager (.Net Source)
Contains functionality to hide user accounts
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious names
Disables UAC (registry)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Malicious sample detected (through community Yara rule)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Orcus RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 647972 Sample: b4d825f30a5eca160477549e983... Startdate: 17/06/2022 Architecture: WINDOWS Score: 100 68 Malicious sample detected (through community Yara rule) 2->68 70 Yara detected UAC Bypass using CMSTP 2->70 72 Yara detected AntiVM3 2->72 74 11 other signatures 2->74 8 b4d825f30a5eca160477549e98355ae8c6c54ecc3f0cd.exe 7 8 2->8         started        12 svchost.exe 2->12         started        14 svchost.exe 2->14         started        16 10 other processes 2->16 process3 dnsIp4 62 C:\Windows\Resources\Themes\...\svchost.exe, PE32 8->62 dropped 76 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->76 78 Creates autostart registry keys with suspicious names 8->78 80 Creates an autostart registry key pointing to binary in C:\Windows 8->80 84 5 other signatures 8->84 19 net.exe 8->19         started        21 b4d825f30a5eca160477549e98355ae8c6c54ecc3f0cd.exe 8->21         started        24 net.exe 1 8->24         started        34 11 other processes 8->34 64 C:\Windows\Temp\oeem1w30.inf, Windows 12->64 dropped 26 conhost.exe 12->26         started        28 cmstp.exe 12->28         started        82 Changes security center settings (notifications, updates, antivirus, firewall) 14->82 30 MpCmdRun.exe 14->30         started        66 127.0.0.1 unknown unknown 16->66 32 conhost.exe 16->32         started        36 2 other processes 16->36 file5 signatures6 process7 file8 38 conhost.exe 19->38         started        40 net1.exe 19->40         started        60 C:\Program Files (x86)\Orcus\Orcus.exe, PE32 21->60 dropped 42 Orcus.exe 21->42         started        44 conhost.exe 24->44         started        46 net1.exe 1 24->46         started        48 conhost.exe 30->48         started        50 conhost.exe 34->50         started        52 conhost.exe 34->52         started        54 10 other processes 34->54 process9 process10 56 conhost.exe 38->56         started        58 conhost.exe 42->58         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4d825f30a5eca160477549e98355ae8c6c54ecc3f0cd89e1a9936760f374ce4/
Threat name:
ByteCode-MSIL.Trojan.Tedy
Create hunting rule
Status:
Malicious
First seen:
2022-06-17 21:29:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
8 of 40 (20.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtmcl4ykl3fbmbdxkspjqnk25ddmktwmh4gnrhq2te3hmdzxjtsa._file
Result
Malware family:
orcus
Create hunting rule
Score:
  10/10
Tags:
family:orcus evasion persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220617-1bwg1sfhe2/
Behaviour
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Windows security modification
Executes dropped EXE
Looks for VMWare Tools registry key
Grants admin privileges
Looks for VirtualBox Guest Additions in registry
Orcurs Rat Executable
Orcus
UAC bypass
Windows security bypass
Malware Config
C2 Extraction:
107.182.128.18:3030
Unpacked files
SH256 hash:
b4d825f30a5eca160477549e98355ae8c6c54ecc3f0cd89e1a9936760f374ce4
MD5 hash:
d2e3d68aa8ee416954e55523d7e26b6b
SHA1 hash:
70a8a303c5b44e89c56dea9b5d0b91737e3f3e8e
Link:
https://www.unpac.me/results/6be8b2dc-307f-4019-9273-74ab6fdad76c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/b4d825f30a5eca160477549e98355ae8c6c54ecc3f0cd89e1a9936760f374ce4

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/281062/

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