MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7a92905d66ebecd0d8853b4947e6c1256b471af7cad1c84ef22765d1b5a5a67. 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 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c7a92905d66ebecd0d8853b4947e6c1256b471af7cad1c84ef22765d1b5a5a67
SHA3-384 hash: beab75e1447d79d12fb3dc72df0216829a57e33c084e00c64c1fe478ce13bc27112f29571057682155897a9abf46ee94
SHA1 hash: 33c2c9b9dda0ed3779709e226ae5ebfdf307429c
MD5 hash: 7e03ff259234f34d9b568d866b841fb2
humanhash: michigan-winner-lake-nevada
File name:7e03ff259234f34d9b568d866b841fb2
Download: download sample
Signature OrcusRAT
Create hunting rule
File size:3'112'960 bytes
First seen:2023-02-19 23:26:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 49152:T6K3PHJZKMvup/RGA1Ub/6U3bFaAypQxbzkso9JnCmaR/nkrrzI0AilFCvxHI:TVGUu1D1Uj6UnypSbzPo9JCm2/n
Threatray 372 similar samples on MalwareBazaar
TLSH T135E512417BECAE03C2BE27B8B6731EC807B9E9066546FB0E0860526D1D9F311BD65367
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 zbetcheckin
Tags:32 exe OrcusRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
295
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
orcus
Create hunting rule
ID:
1
File name:
7e03ff259234f34d9b568d866b841fb2
Verdict:
Malicious activity
Analysis date:
2023-02-19 23:27:56 UTC
Tags:
trojan rat orcus
Link:
https://app.any.run/tasks/207b4628-cfb6-41e3-a6bb-7ed5dc267d45

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/368262/
Detection(s):
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 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
Creating a window
Creating a file in the %AppData% directory
Using the Windows Management Instrumentation requests
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 cmd.exe explorer.exe keylogger orcus packed rat regedit.exe rundll32.exe setupapi.dll shell32.dll stealer virus
Link:
https://www.filescan.io/uploads/63f2b04901b99ad33e7e8642/reports/52b73d0b-8e3d-4afe-a439-16f9f6d42003/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c7a92905d66ebecd0d8853b4947e6c1256b471af7cad1c84ef22765d1b5a5a67
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/e7f89e87-4a4b-46b7-b108-3f41922e71f0
Result
Threat name:
Orcus
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1178893
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
Drops PE files with benign system names
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)
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Orcus RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 811719 Sample: bP6bYdkfNB.exe Startdate: 20/02/2023 Architecture: WINDOWS Score: 100 57 Snort IDS alert for network traffic 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for dropped file 2->61 63 8 other signatures 2->63 8 bP6bYdkfNB.exe 9 2->8         started        12 svchost.exe 2->12 injected 14 svchost.exe 2->14         started        16 12 other processes 2->16 process3 file4 45 C:\Windows\SysWOW64\WindowsInput.exe, PE32 8->45 dropped 47 C:\Program Files (x86)\svchost.exe, PE32 8->47 dropped 49 C:\Users\user\AppData\...\bP6bYdkfNB.exe.log, ASCII 8->49 dropped 51 2 other malicious files 8->51 dropped 75 Drops executables to the windows directory (C:\Windows) and starts them 8->75 77 Drops PE files with benign system names 8->77 18 svchost.exe 1 5 8->18         started        23 WindowsInput.exe 2 4 8->23         started        25 consent.exe 12->25         started        27 svchost.exe 12->27         started        29 svchost.exe 12->29         started        79 Changes security center settings (notifications, updates, antivirus, firewall) 14->79 31 MpCmdRun.exe 14->31         started        81 Query firmware table information (likely to detect VMs) 16->81 signatures5 process6 dnsIp7 55 193.138.195.211, 10134, 49700, 49704 TEENTELECOMRO Romania 18->55 41 C:\Users\user\AppData\Roaming\svchost.exe, PE32 18->41 dropped 43 C:\Users\user\AppData\...\svchost.exe.config, XML 18->43 dropped 69 System process connects to network (likely due to code injection or exploit) 18->69 33 svchost.exe 4 18->33         started        71 Multi AV Scanner detection for dropped file 23->71 73 Writes to foreign memory regions 25->73 37 conhost.exe 31->37         started        file8 signatures9 process10 dnsIp11 53 192.168.2.1 unknown unknown 33->53 65 Antivirus detection for dropped file 33->65 67 Multi AV Scanner detection for dropped file 33->67 39 svchost.exe 33->39         started        signatures12 process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c7a92905d66ebecd0d8853b4947e6c1256b471af7cad1c84ef22765d1b5a5a67/
Threat name:
ByteCode-MSIL.Trojan.Sorcurat
Create hunting rule
Status:
Malicious
First seen:
2023-02-17 00:32:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
33 of 39 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y6ussbown27m2dmiko2ji7tmcjlli4nppswrzbhpej3f2g22ljtq._file
Verdict:
malicious
Similar samples:
4191e8e2d78daa7f7dd3dd728e4a284e6dd217be80b71c5215839a447952ce2a
OrcusRAT
4b632ccdd041def4ecbaf20f41033ebcd8317ad696ccc66de1544868f1d7fb61
OrcusRAT
6b2bc89a82c41241a24f0a8c7972b563e30303bf7c277d767ac5766510e8f03e
OrcusRAT
7f86c0996827afa6134bffea4989e75c93098afa4fd5f3e4817934391b94b7c3
OrcusRAT
82cc38f97def6e5bf1516cef6f5e030313e1049a3ff7ef1ce354a4a6b1fe73c9
OrcusRAT
ae5f5b21ed6c542b8c62f6f9c793af3d16df27af886ca753e87269989c09207f
OrcusRAT
e877ee10428a6a81a83caaa9222466efbc4635a719613d63f813d8dc49baef8f
OrcusRAT
+ 362 additional samples on MalwareBazaar
Result
Malware family:
orcus
Create hunting rule
Score:
  10/10
Tags:
family:orcus botnet:sln persistence rat spyware stealer
Link:
https://tria.ge/reports/230219-3fe2yagc91/
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 System32 directory
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Orcurs Rat Executable
Orcus
Orcus main payload
Malware Config
C2 Extraction:
193.138.195.211:10134
Unpacked files
SH256 hash:
c7a92905d66ebecd0d8853b4947e6c1256b471af7cad1c84ef22765d1b5a5a67
MD5 hash:
7e03ff259234f34d9b568d866b841fb2
SHA1 hash:
33c2c9b9dda0ed3779709e226ae5ebfdf307429c
Detections:
win_orcus_rat_a0
Create hunting rule
Link:
https://www.unpac.me/results/d6db2635-90b1-4657-83d1-5a94f6ff8d2d/
Malware family:
OrcusRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c7a92905d66e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c7a92905d66ebecd0d8853b4947e6c1256b471af7cad1c84ef22765d1b5a5a67

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: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 c7a92905d66ebecd0d8853b4947e6c1256b471af7cad1c84ef22765d1b5a5a67

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2545234/
Cape
Cape
https://www.capesandbox.com/analysis/368262/

Comments


Avatar
zbet commented on 2023-02-19 23:27:02 UTC

url : hxxp://193.138.195.211:8000/test.exe