MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f86c0996827afa6134bffea4989e75c93098afa4fd5f3e4817934391b94b7c3. 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: 16


Intelligence 16 IOCs YARA 8 File information Comments

SHA256 hash: 7f86c0996827afa6134bffea4989e75c93098afa4fd5f3e4817934391b94b7c3
SHA3-384 hash: b89ff0bd36c7ae29ed4d128482026edc9549de0f3bd760c15e8ea9323419eacc4f170f683e9279a98efe68f19d44b6a0
SHA1 hash: fcd41347811e78a309752a22a9963bdb522734db
MD5 hash: 44ae8ad1d370d40fd924f60578de705a
humanhash: undress-early-island-autumn
File name:44ae8ad1d370d40fd924f60578de705a.exe
Download: download sample
Signature OrcusRAT
File size:932'864 bytes
First seen:2022-11-22 08:20:22 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 24576:7554MROxnFl3qzurrcI0AilFEvxHPJ8ooJ:7QMirlrrcI0AilFEvxHP
Threatray 290 similar samples on MalwareBazaar
TLSH T1A815BF113BACBD07C1BE36B9B3731AC917B8E90A5042FB4E185851AD1D9BB01FE16367
TrID 53.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
12.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.5% (.SCR) Windows screen saver (13097/50/3)
7.6% (.EXE) Win64 Executable (generic) (10523/12/4)
4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:exe OrcusRAT


Avatar
abuse_ch
OrcusRAT C2:
194.110.112.45:54956

Intelligence


File Origin
# of uploads :
1
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
44ae8ad1d370d40fd924f60578de705a.exe
Verdict:
Malicious activity
Analysis date:
2022-11-22 08:22:09 UTC
Tags:
rat orcus trojan

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
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
DNS request
Creating a window
Creating a file in the %AppData% directory
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
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 qbot rat regedit.exe rundll32.exe setupapi.dll shell32.dll stealer virus
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.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
Contains functionality to disable the Task Manager (.Net Source)
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
Snort IDS alert for network traffic
Uses dynamic DNS services
Yara detected Costura Assembly Loader
Yara detected Orcus RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 751439 Sample: ayCEsrFN8c.exe Startdate: 22/11/2022 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for dropped file 2->48 50 12 other signatures 2->50 8 ayCEsrFN8c.exe 8 2->8         started        11 Ck_unlocker.exe 3 2->11         started        13 Ck_unlocker.exe 2 2->13         started        15 Ck_unlocker.exe 2 2->15         started        process3 file4 30 C:\Program Files (x86)\...\Ck_unlocker.exe, PE32 8->30 dropped 32 C:\Users\user\AppData\...\ayCEsrFN8c.exe.log, ASCII 8->32 dropped 34 C:\...\Ck_unlocker.exe:Zone.Identifier, ASCII 8->34 dropped 36 C:\...\Ck_unlocker.exe.config, XML 8->36 dropped 17 Ck_unlocker.exe 1 5 8->17         started        process5 dnsIp6 38 dololow.ddns.net 194.110.112.45, 49711, 49718, 54956 FORCOM-ASPL Romania 17->38 40 192.168.2.1 unknown unknown 17->40 42 windowsupdatebg.s.llnwi.net 17->42 26 C:\Users\user\AppData\Roaming\Windows.exe, PE32 17->26 dropped 28 C:\Users\user\AppData\...\Windows.exe.config, XML 17->28 dropped 21 Windows.exe 2 17->21         started        file7 process8 signatures9 52 Antivirus detection for dropped file 21->52 54 Multi AV Scanner detection for dropped file 21->54 56 Machine Learning detection for dropped file 21->56 24 Windows.exe 21->24         started        process10
Threat name:
ByteCode-MSIL.Trojan.Sorcurat
Status:
Malicious
First seen:
2022-11-07 10:48:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:orcus persistence rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Orcurs Rat Executable
Orcus
Orcus main payload
Malware Config
C2 Extraction:
dololow.ddns.net:54956
Unpacked files
SH256 hash:
7f86c0996827afa6134bffea4989e75c93098afa4fd5f3e4817934391b94b7c3
MD5 hash:
44ae8ad1d370d40fd924f60578de705a
SHA1 hash:
fcd41347811e78a309752a22a9963bdb522734db
Detections:
win_orcus_rat_a0
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: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:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:MAL_BackNet_Nov18_1
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_BackNet_Nov18_1_RID2D6D
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:pe_imphash
Rule name:RAT_win_Orcus
Author:KrknSec
Description:Detects Orcus RAT
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.orcus_rat
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.

Comments