MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28027fae1edf2324a8165c9f1a82273f958385c4947e8750a6bdcf29ec2e4906. 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: 11


Intelligence 11 IOCs 1 YARA 12 File information Comments

SHA256 hash: 28027fae1edf2324a8165c9f1a82273f958385c4947e8750a6bdcf29ec2e4906
SHA3-384 hash: 6f7ec5b3b31fabd5c42788fedeb14ae491a0141c616310d2d1448b9249817b21c7843b582a33f6596a44d11232809fd5
SHA1 hash: 26dc8e8926e6e3a4d3983d2a0321d4f3b9fc1c95
MD5 hash: 5aa7713fd72747a1eba1cd2186964478
humanhash: eleven-yellow-jig-kentucky
File name:5AA7713FD72747A1EBA1CD2186964478.exe
Download: download sample
Signature OrcusRAT
File size:939'520 bytes
First seen:2021-06-20 20:35:51 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 24576:Ghf4MROxnFD3Iw8XlrrcI0AilFEvxHPSWooJ:GSMiJkrrcI0AilFEvxHP
Threatray 55 similar samples on MalwareBazaar
TLSH BA15BF013BACBD06C1BE7678B7771AC90FB8E9066052FB4F085861AD1D9B701BE1536B
Reporter abuse_ch
Tags:exe OrcusRAT


Avatar
abuse_ch
OrcusRAT C2:
178.154.244.45:2

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
178.154.244.45:2 https://threatfox.abuse.ch/ioc/137813/

Intelligence


File Origin
# of uploads :
1
# of downloads :
1'079
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5AA7713FD72747A1EBA1CD2186964478.exe
Verdict:
Malicious activity
Analysis date:
2021-06-20 20:38:35 UTC
Tags:
rat orcus

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.spyw.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
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Costura Assembly Loader
Yara detected Orcus RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 437387 Sample: eENtfPFNcE.exe Startdate: 20/06/2021 Architecture: WINDOWS Score: 100 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 8 other signatures 2->57 7 eENtfPFNcE.exe 10 2->7         started        11 svchost.exe 2->11         started        13 svchost.exe 2->13         started        16 10 other processes 2->16 process3 dnsIp4 37 C:\Windows\WindowsWD\Windowsdefender.exe, PE32 7->37 dropped 39 C:\Windows\SysWOW64\WindowsInput.exe, PE32 7->39 dropped 41 C:\...\Windowsdefender.exe:Zone.Identifier, ASCII 7->41 dropped 43 3 other malicious files 7->43 dropped 65 Drops executables to the windows directory (C:\Windows) and starts them 7->65 18 Windowsdefender.exe 11 7->18         started        23 WindowsInput.exe 2 4 7->23         started        67 Changes security center settings (notifications, updates, antivirus, firewall) 11->67 25 MpCmdRun.exe 11->25         started        49 127.0.0.1 unknown unknown 13->49 file5 signatures6 process7 dnsIp8 45 orcustop4ik.duckdns.org 178.154.244.45, 2, 49729, 49734 YANDEXCLOUDRU Russian Federation 18->45 47 192.168.2.1 unknown unknown 18->47 29 C:\Users\user\AppData\Local\...\turbojpeg.dll, PE32 18->29 dropped 31 C:\Users\user\...\TurboJpegWrapper.dll, PE32 18->31 dropped 33 C:\Users\user\AppData\Local\...\SharpDX.dll, PE32 18->33 dropped 35 3 other files (none is malicious) 18->35 dropped 59 Antivirus detection for dropped file 18->59 61 Machine Learning detection for dropped file 18->61 63 Installs a global keyboard hook 18->63 27 conhost.exe 25->27         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.Orcus
Status:
Malicious
First seen:
2021-06-18 21:18:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
37 of 46 (80.43%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:orcus rat spyware stealer
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Loads dropped DLL
Executes dropped EXE
Orcurs Rat Executable
Orcus
Orcus Main Payload
Unpacked files
SH256 hash:
28027fae1edf2324a8165c9f1a82273f958385c4947e8750a6bdcf29ec2e4906
MD5 hash:
5aa7713fd72747a1eba1cd2186964478
SHA1 hash:
26dc8e8926e6e3a4d3983d2a0321d4f3b9fc1c95
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:Glasses
Author:Seth Hardy
Description:Glasses family
Rule name:GlassesCode
Author:Seth Hardy
Description:Glasses code features
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: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:pe_imphash
Rule name:Select_from_enumeration
Author:James_inthe_box
Description:IP and port combo
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.

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