MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d92ee183633151e24c7ab0e670f8cd15f41defcf9b927780176d9b7bbe3c97f1. 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 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d92ee183633151e24c7ab0e670f8cd15f41defcf9b927780176d9b7bbe3c97f1
SHA3-384 hash: 4f4879cf19c6504ccf0e479fe37a1c4e1f2f28aa7d2528e986ccde6b48dc520c6dc489f580dc3d492ec5480f44656071
SHA1 hash: 81b0296d3b7d26c5f49b37efb16f4ef629a4515a
MD5 hash: 3f6eac5e302d3ab1afea43f7082ecd38
humanhash: lactose-december-earth-low
File name:3f6eac5e302d3ab1afea43f7082ecd38.exe
Download: download sample
Signature OrcusRAT
Create hunting rule
File size:1'025'536 bytes
First seen:2020-12-14 20:02:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:rL1gSBMAwLgF5Vk37dG1lFlWcYT70pxnnaaoawylBa2Ley+trZNrI0AilFEvxHvy:e6w4MROxnFzay6rZlI0AilFEvxHifh
Threatray 34 similar samples on MalwareBazaar
TLSH 06251633FA596C8DCBB9193669224DB40675DC0ED0B1FE2A04E4DA5B2F5B700A93B353
Reporter abuse_ch
Tags:exe OrcusRAT RAT


Avatar
abuse_ch
OrcusRAT C2:
104.248.32.109:22998

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'550
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3f6eac5e302d3ab1afea43f7082ecd38.exe
Verdict:
Malicious activity
Analysis date:
2020-12-14 20:02:17 UTC
Tags:
rat orcus
Link:
https://app.any.run/tasks/6d16065f-0190-4fb4-98e9-5e5e6782925b

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/108038/
Detection(s):
Win.Packed.Passwordstealera-9803747-0
Create hunting rule

Win.Packed.Generic-9805849-0
Create hunting rule

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
Creating a file in the Program Files subdirectories
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file
Sending a UDP request
Setting a keyboard event handler
Creating a window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/562611
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 PE files with benign system names
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 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
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Yara detected Costura Assembly Loader
Yara detected Orcus RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 330396 Sample: nsmTqwT9sZ.exe Startdate: 14/12/2020 Architecture: WINDOWS Score: 100 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for dropped file 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 14 other signatures 2->55 7 nsmTqwT9sZ.exe 19 2->7         started        11 svchost.exe 2->11         started        13 svchost.exe 9 1 2->13         started        16 9 other processes 2->16 process3 dnsIp4 35 C:\Program Files\Chlebeek\svchost.exe, PE32 7->35 dropped 37 C:\Users\user\AppData\...\kpzljc2c.cmdline, UTF-8 7->37 dropped 39 C:\Users\user\AppData\...\nsmTqwT9sZ.exe.log, ASCII 7->39 dropped 41 2 other malicious files 7->41 dropped 61 Drops PE files with benign system names 7->61 18 svchost.exe 1 2 7->18         started        22 csc.exe 3 7->22         started        63 Changes security center settings (notifications, updates, antivirus, firewall) 11->63 25 MpCmdRun.exe 11->25         started        45 127.0.0.1 unknown unknown 13->45 47 192.168.2.1 unknown unknown 16->47 file5 signatures6 process7 dnsIp8 43 104.248.32.109, 22998, 49726 DIGITALOCEAN-ASNUS United States 18->43 57 System process connects to network (likely due to code injection or exploit) 18->57 59 Installs a global keyboard hook 18->59 33 C:\Users\user\AppData\Local\...\kpzljc2c.dll, PE32 22->33 dropped 27 conhost.exe 22->27         started        29 cvtres.exe 1 22->29         started        31 conhost.exe 25->31         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d92ee183633151e24c7ab0e670f8cd15f41defcf9b927780176d9b7bbe3c97f1/
Threat name:
ByteCode-MSIL.Trojan.Orcusrat
Create hunting rule
Status:
Malicious
First seen:
2020-12-11 21:43:40 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3exoda3dgfi6etd2wdthb6gncx2b336ptojhpaaxnwnxxpr4s7yq._file
Verdict:
malicious
Similar samples:
0a724325d6c34ee680d393db2ab074eb37c5c9c1cd5985e51382d275d97daa10
OrcusRAT
2060ac076d0fc563f875a2256d6fc88d0b5609df077e8313388b12f6221a3a75
OrcusRAT
4e963b9768467dcf18787fe4b197a1b9efe76a2108cdf0f73c6f81407c6dca95
OrcusRAT
53e4f5df0428b043d69593a2875bace25b99e5f2b9f7fc7630a4f8ef5b75251f
OrcusRAT
85b315f053164c0910b88178383f3271d8faef791d4cb35442f246c91bd80225
OrcusRAT
8a80a506f1a921b1af4b1b3fd6d37737622a3fd75e10efb44da9956b590cd185
OrcusRAT
966aa9010dcd3fdd35f00b995066013f1a686c4b8364cd5037b5eaed6f1140df
OrcusRAT
b52960b7ce7ae8c007c59626859816296471b7810036baaa7b7b86c2cd6d6218
OrcusRAT
b9657cd9005b01b162ce90306ba1b7c7c3df3551fba5f008efd780086f461e72
OrcusRAT
f7e7dfe0a2e59a746679694100b4549408a7e5513d3b1cf4bee0ba981f5e1703
OrcusRAT
+ 24 additional samples on MalwareBazaar
Result
Malware family:
orcus
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:orcus keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/201214-rhd62yvrax/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops file in Windows directory
Adds Run key to start application
JavaScript code in executable
Drops desktop.ini file(s)
Executes dropped EXE
AgentTesla Payload
AgentTesla
Orcus
Orcus Main Payload
Unpacked files
SH256 hash:
d92ee183633151e24c7ab0e670f8cd15f41defcf9b927780176d9b7bbe3c97f1
MD5 hash:
3f6eac5e302d3ab1afea43f7082ecd38
SHA1 hash:
81b0296d3b7d26c5f49b37efb16f4ef629a4515a
Link:
https://www.unpac.me/results/3ae608e0-c3f4-462d-a633-316bd913c313/
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/d92ee183633151e24c7ab0e670f8cd15f41defcf9b927780176d9b7bbe3c97f1

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:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:MAL_BackNet_Nov18_1
Create hunting rule
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:Select_from_enumeration
Create hunting rule
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.

Web download

OrcusRAT

Executable exe d92ee183633151e24c7ab0e670f8cd15f41defcf9b927780176d9b7bbe3c97f1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/917418/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/108038/

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