MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37dca6fead2c458e48bb710355fc277cc4ec0c9566c6db7fc84f65f2f3b006d3. 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: 15


Intelligence 15 IOCs YARA 8 File information Comments
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SHA256 hash: 37dca6fead2c458e48bb710355fc277cc4ec0c9566c6db7fc84f65f2f3b006d3
SHA3-384 hash: ba5206f59138a1a5bd1e1012e943c4051690172cce91585c61ac9a8c47abf8393b503892d020f8b857611223c2d34db6
SHA1 hash: a37b98d1370b49408767830a3b91b405611295bf
MD5 hash: a15c9a856753e623bd53b6e06967fe2d
humanhash: wolfram-kitten-quebec-massachusetts
File name:37dca6fead2c458e48bb710355fc277cc4ec0c9566c6db7fc84f65f2f3b006d3
Download: download sample
Signature OrcusRAT
Create hunting rule
File size:945'664 bytes
First seen:2022-11-09 12:56:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:jyt4MROxnFH3YurWrZlI0AilFEvxHikZ:jy6MihirZlI0AilFEvxHi
Threatray 300 similar samples on MalwareBazaar
TLSH T17515BF013FACBD0AC1BF27B8B2B31AC907B8E9066452FB4E1858619D1DAF701BD55367
TrID 53.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
12.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.6% (.SCR) Windows screen saver (13097/50/3)
7.7% (.EXE) Win64 Executable (generic) (10523/12/4)
4.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon ecf4dcdcdcdcdcd4 (1 x OrcusRAT)
Reporter adrian__luca
Tags:exe OrcusRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
207
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
orcus
Create hunting rule
ID:
1
File name:
37dca6fead2c458e48bb710355fc277cc4ec0c9566c6db7fc84f65f2f3b006d3
Verdict:
Malicious activity
Analysis date:
2022-11-09 12:55:30 UTC
Tags:
rat orcus
Link:
https://app.any.run/tasks/ed6ef5ca-463f-4945-80ff-5dfc2801f350

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/331210/
Detection(s):
Win.Packed.Passwordstealera-9752380-0
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Win.Packed.Generic-9805849-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Creating a service
Creating a file
Launching a service
Searching for synchronization primitives
Creating a file in the Program Files subdirectories
Enabling the 'hidden' option for recently created files
Creating a window
Creating a file in the %AppData% directory
Enabling autorun for a service
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm backnet cmd.exe explorer.exe keylogger orcus packed rat regedit.exe rundll32.exe setupapi.dll shell32.dll stealer
Link:
https://www.filescan.io/uploads/636ba3a05ae98d57706896f5/reports/d618d18f-7427-4f51-b7eb-f7ab7d660f39/overview
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.
Malware family:
Orcus RAT
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d07e58ec-ace8-49dd-aa4d-b30bfc9c3a41
Result
Threat name:
Orcus
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1109278
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
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
Protects its processes via BreakOnTermination flag
Sigma detected: Dot net compiler compiles file from suspicious location
Yara detected Costura Assembly Loader
Yara detected Orcus RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 741956 Sample: xG7ciJ68Pu.exe Startdate: 09/11/2022 Architecture: WINDOWS Score: 100 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for dropped file 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 10 other signatures 2->58 8 xG7ciJ68Pu.exe 20 2->8         started        12 Orcus.exe 3 2->12         started        14 Orcus.exe 2 2->14         started        16 2 other processes 2->16 process3 file4 42 C:\Windows\SysWOW64\WindowsInput.exe, PE32 8->42 dropped 44 C:\Program Files\Orcus\Orcus.exe, PE32 8->44 dropped 46 C:\Windows\SysWOW64\WindowsInput.exe.config, XML 8->46 dropped 48 4 other malicious files 8->48 dropped 68 Drops executables to the windows directory (C:\Windows) and starts them 8->68 18 Orcus.exe 1 5 8->18         started        23 WindowsInput.exe 2 4 8->23         started        25 csc.exe 3 8->25         started        signatures5 process6 dnsIp7 50 192.168.1.6, 3455 unknown unknown 18->50 36 C:\Users\user\AppData\...\OrcusWatchdog.exe, PE32 18->36 dropped 38 C:\Users\user\...\OrcusWatchdog.exe.config, XML 18->38 dropped 60 Protects its processes via BreakOnTermination flag 18->60 27 OrcusWatchdog.exe 2 18->27         started        62 Antivirus detection for dropped file 23->62 64 Multi AV Scanner detection for dropped file 23->64 66 Machine Learning detection for dropped file 23->66 40 C:\Users\user\AppData\Local\...\a4sfavmf.dll, PE32 25->40 dropped 30 conhost.exe 25->30         started        32 cvtres.exe 1 25->32         started        file8 signatures9 process10 signatures11 70 Antivirus detection for dropped file 27->70 72 Multi AV Scanner detection for dropped file 27->72 74 Machine Learning detection for dropped file 27->74 34 OrcusWatchdog.exe 27->34         started        process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37dca6fead2c458e48bb710355fc277cc4ec0c9566c6db7fc84f65f2f3b006d3/
Threat name:
ByteCode-MSIL.Trojan.Sorcurat
Create hunting rule
Status:
Malicious
First seen:
2022-11-09 12:57:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
33 of 40 (82.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g7okn7vnfrcy4sf3oebvl7bhptcoydevm3dnw76ij5s7f45qa3jq._file
Verdict:
malicious
Similar samples:
34938ed9b91925ba09897f31798583bf54fb74dc11573c75cfd05451d815358f
OrcusRAT
3f5687b0fee4cdf84c8a5b762cf686d6ae31754703cd5e8b22ca2f9cfc97bc2e
OrcusRAT
4191e8e2d78daa7f7dd3dd728e4a284e6dd217be80b71c5215839a447952ce2a
OrcusRAT
56eb3543f20a9a454e6ffeddd38cfed075a23bc1a99e66cfd71c3eb6111182aa
OrcusRAT
6b2bc89a82c41241a24f0a8c7972b563e30303bf7c277d767ac5766510e8f03e
OrcusRAT
9162035bdf58571f4addb781f7501a55337a2437c0022e0cb5cf9f0162bcf8f2
OrcusRAT
e877ee10428a6a81a83caaa9222466efbc4635a719613d63f813d8dc49baef8f
OrcusRAT
+ 290 additional samples on MalwareBazaar
Result
Malware family:
orcus
Create hunting rule
Score:
  10/10
Tags:
family:orcus persistence rat spyware stealer
Link:
https://tria.ge/reports/221109-p6xssaafbj/
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 Windows directory
Drops file in System32 directory
Adds Run key to start application
Drops desktop.ini file(s)
Checks computer location settings
Executes dropped EXE
Orcurs Rat Executable
Orcus
Orcus main payload
Malware Config
C2 Extraction:
192.168.1.6:3455
Unpacked files
SH256 hash:
37dca6fead2c458e48bb710355fc277cc4ec0c9566c6db7fc84f65f2f3b006d3
MD5 hash:
a15c9a856753e623bd53b6e06967fe2d
SHA1 hash:
a37b98d1370b49408767830a3b91b405611295bf
Detections:
win_orcus_rat_a0
Create hunting rule
Link:
https://www.unpac.me/results/f87857e6-9eed-4678-ba7e-9b63b03686ae/
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/37dca6fead2c458e48bb710355fc277cc4ec0c9566c6db7fc84f65f2f3b006d3

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_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:MAL_BackNet_Nov18_1
Create hunting rule
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_BackNet_Nov18_1_RID2D6D
Create hunting rule
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:pe_imphash
Create hunting rule
Rule name:RAT_win_Orcus
Create hunting rule
Author:KrknSec
Description:Detects Orcus RAT
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.orcus_rat
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/331210/

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