MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa01711384b8a62cbaeb23e7b84fc3845ace6d3049df232d389d00aac8f2e5ef. 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: aa01711384b8a62cbaeb23e7b84fc3845ace6d3049df232d389d00aac8f2e5ef
SHA3-384 hash: d2850360c0193fd6aa02188010b3d41f0ee37d048993cb60d2c494c88cb1e0a3ed993e305ca3bce25b8de983a928cb9c
SHA1 hash: ccd2cc2f1e2287409830cc25f8fcaa069ab359fc
MD5 hash: 8507fd5841bf0b818bb8f9f55d3d860c
humanhash: magazine-charlie-fruit-enemy
File name:8507FD5841BF0B818BB8F9F55D3D860C.exe
Download: download sample
Signature OrcusRAT
Create hunting rule
File size:1'547'776 bytes
First seen:2021-09-10 15:11:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 24576:sLpXk+b6umJBDAJeqtg0HVqmv4BOBcVKtfx/IDe3IBlJmDvxR5nwwu:sLfqBDAfg0HQmv4PI/IDeE7AvxRKw
Threatray 3 similar samples on MalwareBazaar
TLSH T1F265CE1037EC8E25E5EE1B38E0B4561497F9FC57A67AD79E2804F5AA0CB3B4189113B3
dhash icon 0000004020000000 (4 x OrcusRAT)
Reporter abuse_ch
Tags:exe OrcusRAT


Avatar
abuse_ch
OrcusRAT C2:
185.175.56.98:50721

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
185.175.56.98:50721 https://threatfox.abuse.ch/ioc/219763/

Intelligence

File Origin
# of uploads :
1
# of downloads :
899
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8507FD5841BF0B818BB8F9F55D3D860C.exe
Verdict:
Malicious activity
Analysis date:
2021-09-10 15:12:51 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/917fd633-cc30-4998-9f2f-a7c4036661b1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/186928/
Detection(s):
Win.Packed.Bulz-9891845-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
DNS request
Sending a UDP request
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/feac3dbb-e786-40fe-8625-4a1da64c099b
Result
Threat name:
Orcus
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/848885
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Creates an undocumented autostart registry key
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses powershell Test-Connection to delay payload execution;
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Orcus RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 481314 Sample: iRLW5wwrfn.exe Startdate: 10/09/2021 Architecture: WINDOWS Score: 100 55 youtube.com 2->55 57 outlook.com 2->57 59 2 other IPs or domains 2->59 75 Found malware configuration 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Multi AV Scanner detection for dropped file 2->79 81 8 other signatures 2->81 8 iRLW5wwrfn.exe 8 2->8         started        12 svchost.exe 2->12         started        15 svchost.exe 2->15         started        17 2 other processes 2->17 signatures3 process4 dnsIp5 49 C:\Users\user\AppData\...\DllProtection.exe, PE32 8->49 dropped 51 C:\Users\user\AppData\Local\Temp\RegAsm.exe, PE32 8->51 dropped 53 C:\Users\user\AppData\...\iRLW5wwrfn.exe.log, ASCII 8->53 dropped 89 Creates an undocumented autostart registry key 8->89 91 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->91 93 Writes to foreign memory regions 8->93 95 2 other signatures 8->95 19 RegAsm.exe 8->19         started        24 powershell.exe 18 8->24         started        26 powershell.exe 18 8->26         started        28 5 other processes 8->28 73 192.168.2.1 unknown unknown 12->73 file6 signatures7 process8 dnsIp9 61 185.175.56.98, 49800, 49806, 50721 HOSTHATCHUS Germany 19->61 45 C:\Windows\SysWOW64\WindowsInput.exe, PE32 19->45 dropped 47 C:\Windows\SysWOW64\WindowsInput.exe.config, XML 19->47 dropped 83 Drops executables to the windows directory (C:\Windows) and starts them 19->83 85 Tries to harvest and steal browser information (history, passwords, etc) 19->85 87 Installs a global keyboard hook 19->87 30 WindowsInput.exe 19->30         started        63 facebook.com 24->63 33 conhost.exe 24->33         started        65 outlook.com 26->65 35 conhost.exe 26->35         started        67 youtube.com 28->67 69 google.com 28->69 71 google.com 28->71 37 conhost.exe 28->37         started        39 conhost.exe 28->39         started        41 conhost.exe 28->41         started        43 conhost.exe 28->43         started        file10 signatures11 process12 signatures13 97 Antivirus detection for dropped file 30->97 99 Multi AV Scanner detection for dropped file 30->99
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aa01711384b8a62cbaeb23e7b84fc3845ace6d3049df232d389d00aac8f2e5ef/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-05 20:21:13 UTC
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=viaxce4exctczoxlept3qt6dqrnm43jqjhpsgljytuakvshs4xxq._file
Verdict:
malicious
Similar samples:
99965cce8132e8c36dfbbe2a7ef0a4db936f147098e8a8cd8bca5d5ec577d192
OrcusRAT
a1bfd3062830a957dd155259a74105c272a235c979e1c10b5ca9123d360adfa7
OrcusRAT
d60c9957cdbed60b3f054a942fe9878d23283f6662d16888695adc5e7b3e951e
OrcusRAT
Result
Malware family:
orcus
Create hunting rule
Score:
  10/10
Tags:
family:orcus botnet:client rat spyware stealer
Link:
https://tria.ge/reports/210910-sk7mmsdddk/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Orcurs Rat Executable
Orcus
Malware Config
C2 Extraction:
216.250.97.121:50721
Unpacked files
SH256 hash:
9d63cba490be070e362f8282784f774f81abe2d6066f74727d296a9208b858f4
MD5 hash:
ca40a352a81a3a7f5e6cb665f5896da3
SHA1 hash:
c51afd70809df6cc4960470e93782e819e70b6d6
Link:
https://www.unpac.me/results/69575fb0-fa60-4e7a-827a-55d914c38638/
SH256 hash:
f9595aa5808fea3f36c49725b3dad90adfb853d035944c18471ae98128a0c525
MD5 hash:
579904aa72ec5431a5c66fb08495db26
SHA1 hash:
66303a109d8615006a7287e8ef6e9b7d9b6dd525
Link:
https://www.unpac.me/results/69575fb0-fa60-4e7a-827a-55d914c38638/
SH256 hash:
aa01711384b8a62cbaeb23e7b84fc3845ace6d3049df232d389d00aac8f2e5ef
MD5 hash:
8507fd5841bf0b818bb8f9f55d3d860c
SHA1 hash:
ccd2cc2f1e2287409830cc25f8fcaa069ab359fc
Link:
https://www.unpac.me/results/69575fb0-fa60-4e7a-827a-55d914c38638/
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/aa01711384b8a62cbaeb23e7b84fc3845ace6d3049df232d389d00aac8f2e5ef

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_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
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/186928/

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