MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb003ee23ef2d78631a2ff8bff716d6fc04b6234a0b4b4de1045fff3c7125c43. 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



DCRat


Vendor detections: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: eb003ee23ef2d78631a2ff8bff716d6fc04b6234a0b4b4de1045fff3c7125c43
SHA3-384 hash: 2a099defc64f8d44dd0962747506885b2bb54a63ea425a3ccab27e4cd02b916e5a5c8269ec9c11323d0a700000648e4a
SHA1 hash: c37a9fef3a0e373b82f44798e042fc2a09221e85
MD5 hash: 2493fec769cdc844e2a7a2f0d610ec00
humanhash: oxygen-johnny-oklahoma-moon
File name:HEUR-Backdoor.MSIL.LightStone.gen-eb003ee23ef.exe
Download: download sample
Signature DCRat
File size:1'206'272 bytes
First seen:2023-01-08 11:30:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:bIqtD/bAE2g5Az3/GHFWFEHIol+EGxOzT+4:/JomIMvGEzi
Threatray 3'220 similar samples on MalwareBazaar
TLSH T1814527027A46DD03D0691737C9EF442807A8AD027BA6DA1E7E9F339C7452BB75D0E1CA
TrID 47.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.4% (.SCR) Windows screen saver (13097/50/3)
6.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://a0561978.xsph.ru/polldb.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
HEUR-Backdoor.MSIL.LightStone.gen-eb003ee23ef.exe
Verdict:
Malicious activity
Analysis date:
2023-01-08 11:31:01 UTC
Tags:
trojan rat backdoor dcrat

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

Behaviour
Launching a process
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
DNS request
Connecting to a non-recommended domain
Sending an HTTP GET request
Searching for the window
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Creating a file in the system32 subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Unauthorized injection to a system process
Gathering data
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 method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: Schedule system process
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 780094 Sample: HEUR-Backdoor.MSIL.LightSto... Startdate: 08/01/2023 Architecture: WINDOWS Score: 100 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for dropped file 2->56 58 Antivirus / Scanner detection for submitted sample 2->58 60 11 other signatures 2->60 7 HEUR-Backdoor.MSIL.LightStone.gen-eb003ee23ef.exe 1 25 2->7         started        11 RuntimeBroker.exe 2 2->11         started        14 Registry.exe 3 2->14         started        16 3 other processes 2->16 process3 dnsIp4 40 C:\Windows\System32\...\RuntimeBroker.exe, PE32 7->40 dropped 42 C:\Windows\System32\...\RuntimeBroker.exe, PE32 7->42 dropped 44 C:\Windows\System32\CompPkgSup\lsass.exe, PE32 7->44 dropped 46 10 other malicious files 7->46 dropped 62 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->62 64 Drops executables to the windows directory (C:\Windows) and starts them 7->64 66 Uses schtasks.exe or at.exe to add and modify task schedules 7->66 74 2 other signatures 7->74 18 schtasks.exe 1 7->18         started        20 RuntimeBroker.exe 3 7->20         started        23 schtasks.exe 1 7->23         started        25 4 other processes 7->25 50 192.168.2.1 unknown unknown 11->50 52 a0561978.xsph.ru 11->52 68 Antivirus detection for dropped file 11->68 70 Multi AV Scanner detection for dropped file 11->70 72 Machine Learning detection for dropped file 11->72 file5 signatures6 process7 dnsIp8 27 conhost.exe 18->27         started        48 a0561978.xsph.ru 141.8.197.42, 49695, 49696, 49697 SPRINTHOSTRU Russian Federation 20->48 30 conhost.exe 23->30         started        32 conhost.exe 25->32         started        34 conhost.exe 25->34         started        36 conhost.exe 25->36         started        38 conhost.exe 25->38         started        process9 signatures10 76 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 27->76
Threat name:
ByteCode-MSIL.Backdoor.LightStone
Status:
Malicious
First seen:
2021-07-17 23:27:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
31 of 41 (75.61%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat infostealer rat
Behaviour
Creates scheduled task(s)
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Checks computer location settings
Executes dropped EXE
DCRat payload
DcRat
Unpacked files
SH256 hash:
eb003ee23ef2d78631a2ff8bff716d6fc04b6234a0b4b4de1045fff3c7125c43
MD5 hash:
2493fec769cdc844e2a7a2f0d610ec00
SHA1 hash:
c37a9fef3a0e373b82f44798e042fc2a09221e85
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: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