MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f2151b2fd626d5139a7a292b4faffdedcc45346953b0ce71fa281615e6f350a. 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: 17


Intelligence 17 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9f2151b2fd626d5139a7a292b4faffdedcc45346953b0ce71fa281615e6f350a
SHA3-384 hash: 14eee6187e15af7259feab8902798d532b2c8a9761e217bb68600ffe1aab4ba12b75511110b0c0c09eb0599a2bd31312
SHA1 hash: c0436e7d59d3be57a1edc94ce52a5e03312aa368
MD5 hash: 41394beb6f31b8215c7b9d0b8d412c3e
humanhash: zebra-september-fix-georgia
File name:cheker.exe
Download: download sample
Signature OrcusRAT
Create hunting rule
File size:943'616 bytes
First seen:2023-03-06 17:45:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:n6A4MROxnF43F9MQrrZlI0AilFEvxHihrTE:n6jMiG4wrZlI0AilFEvxHih
Threatray 157 similar samples on MalwareBazaar
TLSH T10015BF013FADBD17C1BE2A75A7731AD807B8E8066052FB4E086851AD1DEF701BD163A7
TrID 53.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
12.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.5% (.SCR) Windows screen saver (13097/50/3)
7.6% (.EXE) Win64 Executable (generic) (10523/12/4)
4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter Anonymous
Tags:exe OrcusRAT


Avatar
Anonymous
Retrieved from https://disk.yandex.ru/d/htM3ZEUEuUtaYA

Intelligence

File Origin
# of uploads :
1
# of downloads :
269
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
orcus
Create hunting rule
ID:
1
File name:
cheker.exe
Verdict:
Malicious activity
Analysis date:
2023-03-06 17:49:20 UTC
Tags:
rat orcus
Link:
https://app.any.run/tasks/235fd38c-8bd9-4e24-a38d-5161b5c74a3f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
OrcusRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/372096/
Detection(s):
Win.Packed.Passwordstealera-9752380-0
Create hunting rule

Win.Packed.Generic-9805849-0
Create hunting rule

Win.Malware.Wacatac-9835217-0
Create hunting rule

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
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
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
Sending a custom TCP request
Setting a keyboard event handler
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 virus
Link:
https://www.filescan.io/uploads/640626db47dff094b528909b/reports/cd77484b-ec6d-4dcf-994e-6c5c7f67da64/overview
Verdict:
Malicious
Labled as:
BKDR_ORCUSRAT.SM
Link:
https://www.hybrid-analysis.com/sample/9f2151b2fd626d5139a7a292b4faffdedcc45346953b0ce71fa281615e6f350a
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.
Malware family:
Orcus RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0b75e562-6276-4575-b4e5-8280a2172240
Result
Threat name:
Orcus
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1188005
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
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
Snort IDS alert for network traffic
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Orcus RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 820880 Sample: cheker.exe Startdate: 06/03/2023 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus detection for dropped file 2->57 59 9 other signatures 2->59 7 cheker.exe 22 2->7         started        11 svchost.exe 2->11         started        13 svchost.exe 3 2->13         started        15 11 other processes 2->15 process3 file4 39 C:\Windows\SysWOW64\WindowsInput.exe, PE32 7->39 dropped 41 C:\Program Files\svhost\svhost.exe, PE32 7->41 dropped 43 C:\Windows\SysWOW64\WindowsInput.exe.config, XML 7->43 dropped 45 4 other malicious files 7->45 dropped 61 Drops executables to the windows directory (C:\Windows) and starts them 7->61 17 WindowsInput.exe 2 4 7->17         started        20 svhost.exe 1 2 7->20         started        23 csc.exe 3 7->23         started        63 Changes security center settings (notifications, updates, antivirus, firewall) 11->63 25 MpCmdRun.exe 1 11->25         started        65 Query firmware table information (likely to detect VMs) 13->65 signatures5 process6 file7 47 Antivirus detection for dropped file 17->47 49 Multi AV Scanner detection for dropped file 17->49 51 Machine Learning detection for dropped file 17->51 33 C:\Users\user\AppData\Roaming\svhost.exe, PE32 20->33 dropped 35 C:\Users\user\AppData\...\svhost.exe.config, XML 20->35 dropped 37 C:\Users\user\AppData\Local\...\zjaj1vhm.dll, PE32 23->37 dropped 27 conhost.exe 23->27         started        29 cvtres.exe 1 23->29         started        31 conhost.exe 25->31         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9f2151b2fd626d5139a7a292b4faffdedcc45346953b0ce71fa281615e6f350a/
Threat name:
ByteCode-MSIL.Trojan.Sorcurat
Create hunting rule
Status:
Malicious
First seen:
2023-03-06 18:02:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
32 of 39 (82.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=t4qvdmx5mjwvconhukjlj6x733omiu2gsu5qzzy7ukawcxtpgufa._file
Verdict:
malicious
Similar samples:
37dca6fead2c458e48bb710355fc277cc4ec0c9566c6db7fc84f65f2f3b006d3
OrcusRAT
3f5687b0fee4cdf84c8a5b762cf686d6ae31754703cd5e8b22ca2f9cfc97bc2e
OrcusRAT
56eb3543f20a9a454e6ffeddd38cfed075a23bc1a99e66cfd71c3eb6111182aa
OrcusRAT
6b2bc89a82c41241a24f0a8c7972b563e30303bf7c277d767ac5766510e8f03e
OrcusRAT
792b7667e65e06c5f66ad7c29d7af541bcc355c1a8b24e5694c51fd79f22680c
OrcusRAT
82cc38f97def6e5bf1516cef6f5e030313e1049a3ff7ef1ce354a4a6b1fe73c9
OrcusRAT
9162035bdf58571f4addb781f7501a55337a2437c0022e0cb5cf9f0162bcf8f2
OrcusRAT
+ 147 additional samples on MalwareBazaar
Result
Malware family:
orcus
Create hunting rule
Score:
  10/10
Tags:
family:orcus persistence rat spyware stealer
Link:
https://tria.ge/reports/230306-wb98ysed53/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
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:
147.185.221.229:56094
Unpacked files
SH256 hash:
9f2151b2fd626d5139a7a292b4faffdedcc45346953b0ce71fa281615e6f350a
MD5 hash:
41394beb6f31b8215c7b9d0b8d412c3e
SHA1 hash:
c0436e7d59d3be57a1edc94ce52a5e03312aa368
Detections:
win_orcus_rat_a0
Create hunting rule
Link:
https://www.unpac.me/results/880a0b14-b7fc-43c1-9009-de5978b99de0/
Malware family:
OrcusRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9f2151b2fd62/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9f2151b2fd626d5139a7a292b4faffdedcc45346953b0ce71fa281615e6f350a

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
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:MAL_BackNet_Nov18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_BackNet_Nov18_1_RID2D6D
Create hunting rule
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:pe_imphash
Create hunting rule
Rule name:RAT_win_Orcus
Create hunting rule
Author:KrknSec
Description:Detects Orcus RAT
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.orcus_rat
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.

Web download

OrcusRAT

Executable exe 9f2151b2fd626d5139a7a292b4faffdedcc45346953b0ce71fa281615e6f350a

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/372096/

Comments