MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e963b9768467dcf18787fe4b197a1b9efe76a2108cdf0f73c6f81407c6dca95. 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


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4e963b9768467dcf18787fe4b197a1b9efe76a2108cdf0f73c6f81407c6dca95
SHA3-384 hash: b5252c8cff1782d4b47f79133c5ffc5fa2ed7479ab0c41209e22428327a786ab2554a85ddbee0989b3fa646e1f6221b0
SHA1 hash: 06369131e46e415cbef79553fd0a60e4163c59ea
MD5 hash: c0b3ea3b93f88f06cd43b31c4950f724
humanhash: uranus-sierra-maine-tennis
File name:Octosniff1.exe
Download: download sample
Signature OrcusRAT
Create hunting rule
File size:1'041'408 bytes
First seen:2020-10-05 03:03:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:IkY4MROxnFZ32kTZUrZlI0AilFEvxHijXF+:Ik7Mi7erZlI0AilFEvxHib
Threatray 21 similar samples on MalwareBazaar
TLSH DA25CF017FACBD0AD1BE2674A2731AF50775EC1A5091FA4E149831AD0DFB740BE263A7
Reporter vm001cn
Tags:Orcus OrcusRAT RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
3'304
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/68032/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Sending a UDP request
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Creating a service
Creating a file
Launching a service
Creating a file in the %AppData% subdirectories
DNS request
Creating a window
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Enabling autorun for a service
Connection attempt to an infection source
Enabling autorun
Enabling autorun by creating a file
Result
Threat name:
Orcus
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/480972
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)
Creates an undocumented autostart registry key
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Suspicious Csc.exe Source File Folder
Yara detected Costura Assembly Loader
Yara detected Orcus RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 292926 Sample: Octosniff1.exe Startdate: 05/10/2020 Architecture: WINDOWS Score: 100 61 Multi AV Scanner detection for domain / URL 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus detection for dropped file 2->65 67 12 other signatures 2->67 8 Octosniff1.exe 20 2->8         started        12 svchost.exe 2->12         started        14 svchost.exe 1 1 2->14         started        17 5 other processes 2->17 process3 dnsIp4 47 C:\Windows\SysWOW64\WindowsInput.exe, PE32 8->47 dropped 49 C:\Users\user\AppData\Roaming\...\Orcus.exe, PE32 8->49 dropped 51 C:\Windows\SysWOW64\WindowsInput.exe.config, XML 8->51 dropped 53 4 other malicious files 8->53 dropped 77 Drops executables to the windows directory (C:\Windows) and starts them 8->77 19 Orcus.exe 1 5 8->19         started        24 WindowsInput.exe 2 4 8->24         started        26 csc.exe 3 8->26         started        79 Changes security center settings (notifications, updates, antivirus, firewall) 12->79 28 MpCmdRun.exe 12->28         started        57 127.0.0.1 unknown unknown 14->57 59 192.168.2.1 unknown unknown 14->59 file5 signatures6 process7 dnsIp8 55 nickman12-46565.portmap.io 193.161.193.99, 46565, 49701, 49702 BITREE-ASRU Russian Federation 19->55 41 C:\Users\user\AppData\...\System_Debug.exe, PE32 19->41 dropped 43 C:\Users\user\...\System_Debug.exe.config, XML 19->43 dropped 69 Antivirus detection for dropped file 19->69 71 Multi AV Scanner detection for dropped file 19->71 73 Creates an undocumented autostart registry key 19->73 75 Machine Learning detection for dropped file 19->75 30 System_Debug.exe 19->30         started        45 C:\Users\user\AppData\Local\...\d4s5gse7.dll, PE32 26->45 dropped 33 conhost.exe 26->33         started        35 cvtres.exe 1 26->35         started        37 conhost.exe 28->37         started        file9 signatures10 process11 signatures12 81 Antivirus detection for dropped file 30->81 83 Multi AV Scanner detection for dropped file 30->83 39 System_Debug.exe 30->39         started        process13
Detection:
orcusrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4e963b9768467dcf18787fe4b197a1b9efe76a2108cdf0f73c6f81407c6dca95/
Threat name:
ByteCode-MSIL.Trojan.Sorcurat
Create hunting rule
Status:
Malicious
First seen:
2020-10-03 13:59:55 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j2ldxf3iiz646gdyp7sldf5bxhx6o2rbbdg7b5z4n6aua7dnzkkq._file
Verdict:
malicious
Similar samples:
05bb212dd186eaa7c2fa17ad094fd56f55fa203f488f1e150532aa23c86c9bf8
OrcusRAT
0a724325d6c34ee680d393db2ab074eb37c5c9c1cd5985e51382d275d97daa10
OrcusRAT
53e4f5df0428b043d69593a2875bace25b99e5f2b9f7fc7630a4f8ef5b75251f
OrcusRAT
74d6d0213855d53e4edad91ee620009558a9df2f6f925be9e81ba54df4b3b11d
OrcusRAT
966aa9010dcd3fdd35f00b995066013f1a686c4b8364cd5037b5eaed6f1140df
OrcusRAT
9efca9fb9aadcdec3f3e23fda67899c67dda0d7178636a5691e15d6b62e01649
OrcusRAT
ba381e6d45fa8afdd935d625f596fdf7fa87ef463a34135b43bf361e9f377f2e
OrcusRAT
bf5d5c28bec7bdcf41fad771fd465ba6bb9a56e053c9470a6e10293466109d3c
OrcusRAT
da027d0065fa09308efb93370437a0495a3bcec56325fb9846d807066a9abf86
OrcusRAT
fba06b673dc919c4060f2bd4e264ec23cf1bc96002e30c96191eb1e41ccf57a8
OrcusRAT
+ 11 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla persistence
Link:
https://tria.ge/reports/201005-njjc499b6x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Drops file in System32 directory
Modifies service
JavaScript code in executable
Drops desktop.ini file(s)
Executes dropped EXE
AgentTesla Payload
ServiceHost packer
AgentTesla
Unpacked files
SH256 hash:
4e963b9768467dcf18787fe4b197a1b9efe76a2108cdf0f73c6f81407c6dca95
MD5 hash:
c0b3ea3b93f88f06cd43b31c4950f724
SHA1 hash:
06369131e46e415cbef79553fd0a60e4163c59ea
Link:
https://www.unpac.me/results/47e4264b-f117-4c6f-b39f-77b22af6213c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/4e963b9768467dcf18787fe4b197a1b9efe76a2108cdf0f73c6f81407c6dca95

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:MAL_BackNet_Nov18_1
Create hunting rule
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet

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/68032/

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