MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 53943895601cbc79561cb30c9957715400d82a255d97ce36fe1b383bf3c240da. 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: 9
| SHA256 hash: | 53943895601cbc79561cb30c9957715400d82a255d97ce36fe1b383bf3c240da |
|---|---|
| SHA3-384 hash: | ea2b40b429323ae2436f21991ab45eedf53b4528b85a73ab05b00ea36fc830620fbcbb1393c249407eebe0a66caff195 |
| SHA1 hash: | 6e4aa9a62dc23d23e176551d0d35baebd9fb73cb |
| MD5 hash: | 2a1c375935c741c5c329a614389e75f7 |
| humanhash: | stairway-california-uncle-fourteen |
| File name: | 2A1C375935C741C5C329A614389E75F7.exe |
| Download: | download sample |
| Signature | OrcusRAT |
| File size: | 941'568 bytes |
| First seen: | 2021-04-18 03:35:31 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger) |
| ssdeep | 24576:l554MROxnFD3crXYf1rrcI0AilFEvxHPSooA:lQMiJFrrcI0AilFEvxHP |
| Threatray | 45 similar samples on MalwareBazaar |
| TLSH | AB15BF113BACBD06C1BE7678B7771AC90FB8E9066042FB4F085861AD1D9B701BE16367 |
| Reporter |  abuse_ch |
| Tags: | exe OrcusRAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 98.229.214.124:10134 | https://threatfox.abuse.ch/ioc/8850/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
1'218
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2A1C375935C741C5C329A614389E75F7.exe
Verdict:
Malicious activity
Analysis date:
2021-04-18 03:37:30 UTC
Tags:
rat orcus
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
OrcusRAT
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Creating a service
Creating a file
Sending a UDP request
Launching a service
Creating a file in the Program Files subdirectories
Enabling the 'hidden' option for recently created files
Creating a window
Creating a file in the %temp% directory
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun for a service
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
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:
Orcus
Detection:
malicious
Classification:
troj.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
Yara detected Costura Assembly Loader
Yara detected Orcus RAT
Behaviour
Behavior Graph:
Gathering data
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 35 additional samples on MalwareBazaar
Result
Malware family:
orcus
Score:
10/10
Tags:
family:orcus persistence rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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
Loads dropped DLL
Executes dropped EXE
Orcus
Orcus Main Payload
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: | Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| Rule name: | CAP_HookExKeylogger |
|---|---|
| Author: | Brian C. Bell -- @biebsmalwareguy |
| Reference: | https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar |
| Rule name: | Chrome_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Chrome in files like avemaria |
| Rule name: | INDICATOR_SUSPICIOUS_GENInfoStealer |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing common artifcats observed in infostealers |
| Rule name: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| Rule name: | MAL_BackNet_Nov18_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects BackNet samples |
| Reference: | https://github.com/valsov/BackNet |
| Rule name: | Select_from_enumeration |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.