MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56eb3543f20a9a454e6ffeddd38cfed075a23bc1a99e66cfd71c3eb6111182aa. 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 1 YARA 8 File information Comments

SHA256 hash: 56eb3543f20a9a454e6ffeddd38cfed075a23bc1a99e66cfd71c3eb6111182aa
SHA3-384 hash: 81525edc3b4842b509d319a897ffde0ebb334a5c20a1ebd528d8a2a7305ad58d6a1935b351983373b564c63db8f15a14
SHA1 hash: 9a7633da75cbdda08d35de85fb687ab1d4d58677
MD5 hash: 16db11fed1b92345cbc154a5fb7f1fd8
humanhash: vermont-kitten-princess-johnny
File name:16db11fed1b92345cbc154a5fb7f1fd8.exe
Download: download sample
Signature OrcusRAT
File size:1'119'744 bytes
First seen:2022-04-12 07:21:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:b2A4MROxnFH/iJLrZlI0AilFEvxHiODsEYYYYYYYYYYYRYYYYYYYYYYC:b2jMiRKtrZlI0AilFEvxHic/YYYYYYYp
Threatray 104 similar samples on MalwareBazaar
TLSH T19635C0017BACBD46C0BE2AB472732AD90B75EC066051FA4F095472AD1DFB702BD26367
File icon (PE):PE icon
dhash icon 0cbc96aeaa86b2cc (1 x OrcusRAT, 1 x njrat)
Reporter abuse_ch
Tags:exe OrcusRAT


Avatar
abuse_ch
OrcusRAT C2:
109.171.5.62:7139

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
109.171.5.62:7139 https://threatfox.abuse.ch/ioc/518766/

Intelligence


File Origin
# of uploads :
1
# of downloads :
577
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
emQUy
Verdict:
Malicious activity
Analysis date:
2022-04-08 10:46:09 UTC
Tags:
installer 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
Searching for the window
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
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file
Setting a keyboard event handler
Creating a window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
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 control.exe explorer.exe explorer.exe keylogger obfuscated orcus packed qbot rat regedit.exe remote.exe rundll32.exe 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.spyw.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)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Protects its processes via BreakOnTermination flag
Yara detected Costura Assembly Loader
Yara detected Orcus RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 607630 Sample: ih4Y0nHtwf.exe Startdate: 12/04/2022 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 9 other signatures 2->44 7 ih4Y0nHtwf.exe 18 2->7         started        11 explor?r.exe 3 2->11         started        process3 file4 26 C:\Windows\SysWOW64\explor?r.exe, PE32 7->26 dropped 28 C:\Windows\...\explor?r.exe:Zone.Identifier, ASCII 7->28 dropped 30 C:\Windows\SysWOW64\explor?r.exe.config, XML 7->30 dropped 32 C:\Users\user\AppData\...\ih4Y0nHtwf.exe.log, ASCII 7->32 dropped 46 Detected unpacking (overwrites its own PE header) 7->46 48 Drops executables to the windows directory (C:\Windows) and starts them 7->48 13 explor?r.exe 2 7->13         started        17 csc.exe 3 7->17         started        signatures5 process6 dnsIp7 34 109.171.5.62, 49781, 7139 TTK-RTLRetailRU Russian Federation 13->34 36 192.168.2.1 unknown unknown 13->36 50 Antivirus detection for dropped file 13->50 52 Multi AV Scanner detection for dropped file 13->52 54 Detected unpacking (overwrites its own PE header) 13->54 56 3 other signatures 13->56 24 C:\Users\user\AppData\Local\...\ypup_yly.dll, PE32 17->24 dropped 20 conhost.exe 17->20         started        22 cvtres.exe 1 17->22         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Worm.Ainslot
Status:
Malicious
First seen:
2022-04-09 15:18:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
51
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:orcus rat spyware stealer
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in System32 directory
Executes dropped EXE
Orcurs Rat Executable
Orcus
Orcus Main Payload
Malware Config
C2 Extraction:
109.171.5.62:7139
Unpacked files
SH256 hash:
56eb3543f20a9a454e6ffeddd38cfed075a23bc1a99e66cfd71c3eb6111182aa
MD5 hash:
16db11fed1b92345cbc154a5fb7f1fd8
SHA1 hash:
9a7633da75cbdda08d35de85fb687ab1d4d58677
Malware family:
OrcusRAT
Verdict:
Malicious
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:MAL_Lokibot_Stealer
Description:Detects Lokibot Stealer Variants
Rule name:pe_imphash
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