MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23c9fe013be7bed47c421bb84e272c492787dc16d773596263d4f25f638d8e6f. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 23c9fe013be7bed47c421bb84e272c492787dc16d773596263d4f25f638d8e6f
SHA3-384 hash: 406b726b2c11a2e7e078356e33a64f2bbbf811725c34fd59d079f610dc666103b2b1cd03108dcbeb117cc52a14cbbb6c
SHA1 hash: 6313c4d71f8f32c3a9a09aec53ad077450e93c6d
MD5 hash: 4875520c9ca5448cbb60c1d6a602e5ef
humanhash: oklahoma-monkey-william-beryllium
File name:HEUR-Backdoor.MSIL.LightStone.gen-23c9fe013be.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:1'105'408 bytes
First seen:2022-12-30 17:10:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 24576:hJM+dq9GY9XzAnEUlZs7kQOg7tUhyy3F+4:/58URq5szc
Threatray 3'180 similar samples on MalwareBazaar
TLSH T14235F5027688DD02D0A91637C9EFC42807B8FD436B62DA1B7E9F339C64563A75D0E5CA
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://a0562386.xsph.ru/externalVideoauth.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
178
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
HEUR-Backdoor.MSIL.LightStone.gen-23c9fe013be.exe
Verdict:
Malicious activity
Analysis date:
2022-12-30 17:11:47 UTC
Tags:
trojan rat backdoor dcrat
Link:
https://app.any.run/tasks/49571de5-69a3-45c2-bb3c-bffa824b226f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Malware.Uztuby-9848412-0
Create hunting rule

Win.Packed.Uztuby-9851623-0
Create hunting rule

Win.Packed.Uztuby-9875336-0
Create hunting rule

Win.Packed.Uztuby-9877681-0
Create hunting rule

Win.Malware.Uztuby-9878616-0
Create hunting rule

Win.Packed.Uztuby-9878626-0
Create hunting rule

Win.Packed.Uztuby-9878629-0
Create hunting rule

Win.Packed.Uztuby-9878755-0
Create hunting rule

Win.Malware.Uztuby-9878756-0
Create hunting rule

Win.Packed.Basic-9892827-0
Create hunting rule

Win.Packed.Basic-9952747-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Creating a file
Launching a process
Creating a file in the system32 subdirectories
Creating a file in the Program Files subdirectories
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
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm cmd.exe dcrat explorer.exe hacktool obfuscated packed stealer
Link:
https://www.filescan.io/uploads/63af1ba7a70bef46551c3df6/reports/1a875ea3-4294-4c2f-b0a3-2a4f8845d6f3/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/abb4f94a-6f99-4828-8389-a115529ccac4
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1143270
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 ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 776000 Sample: HEUR-Backdoor.MSIL.LightSto... Startdate: 30/12/2022 Architecture: WINDOWS Score: 100 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 7 other signatures 2->57 7 HEUR-Backdoor.MSIL.LightStone.gen-23c9fe013be.exe 4 17 2->7         started        11 wininit.exe 14 3 2->11         started        14 winlogon.exe 3 2->14         started        16 backgroundTaskHost.exe 3 2->16         started        process3 dnsIp4 41 C:\Windows\...\backgroundTaskHost.exe, PE32 7->41 dropped 43 C:\Windows\System32\...\winlogon.exe, PE32 7->43 dropped 45 C:\Recovery\wininit.exe, PE32 7->45 dropped 47 4 other malicious files 7->47 dropped 63 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->63 65 Uses schtasks.exe or at.exe to add and modify task schedules 7->65 67 Drops PE files with benign system names 7->67 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->69 18 cmd.exe 1 7->18         started        21 schtasks.exe 1 7->21         started        23 schtasks.exe 1 7->23         started        25 schtasks.exe 1 7->25         started        49 a0562386.xsph.ru 141.8.197.42, 49695, 49696, 80 SPRINTHOSTRU Russian Federation 11->49 71 Antivirus detection for dropped file 11->71 73 Multi AV Scanner detection for dropped file 11->73 75 Machine Learning detection for dropped file 11->75 file5 signatures6 process7 signatures8 59 Uses ping.exe to sleep 18->59 61 Uses ping.exe to check the status of other devices and networks 18->61 27 wininit.exe 2 18->27         started        29 conhost.exe 18->29         started        31 PING.EXE 1 18->31         started        33 chcp.com 1 18->33         started        35 conhost.exe 21->35         started        37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/23c9fe013be7bed47c421bb84e272c492787dc16d773596263d4f25f638d8e6f/
Threat name:
ByteCode-MSIL.Backdoor.LightStone
Create hunting rule
Status:
Malicious
First seen:
2021-07-16 20:09:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=epe74aj3467ni7ccdo4e4jzmjetypxaw25zvsytd2tzf6y4nrzxq._file
Verdict:
malicious
Similar samples:
1586be1a8d88a8593cb0d5ed7f779fc672a0e58c4d5b385dc926469af9163a85
DCRat
346b769168c5fc8865428098350048f6e604a7a7bd5846bf03d99e4244663706
DCRat
58a7160bc9c6b737602ae6560a308cc5a824807f6ba4fb61efc5d5bb0c41ff91
DCRat
629c671a92b4a3af617c2d8fe133430ab77aac0acb07914f047f8868eb9ed92a
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8a5bec4293f13f84bbbcf619299eff545fe08f3276d9530381abd41d31a60300
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bb55fcf1625411295d87059f3116db4109ef0783504fbce9c5eca05ef72d45e0
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d1cdb6b3145e1b6d65ef1d8f5864484678e0436b34d8c8e674471332c11b099e
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d700e68d1c067c7bb297805d8429aa95cde9b6ec484c490ebdb01fc9689b1a31
DCRat
+ 3'170 additional samples on MalwareBazaar
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat infostealer rat
Link:
https://tria.ge/reports/221230-vp9nxabc6w/
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
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1b28b605-cde6-4ea7-b879-f0498b38be51
Unpacked files
SH256 hash:
2ccddb6d5756aaf811e5af7bd88a440d9e996840de2f0675faed25370af7f8b0
MD5 hash:
eeab72efbb3892dd1b133b9f9fbf47d2
SHA1 hash:
3f851df0b4eda9af04da6195536a517b19d66e4d
Link:
https://www.unpac.me/results/730cc0f4-533a-4798-a9d9-e5d70ebff4b0/
SH256 hash:
23c9fe013be7bed47c421bb84e272c492787dc16d773596263d4f25f638d8e6f
MD5 hash:
4875520c9ca5448cbb60c1d6a602e5ef
SHA1 hash:
6313c4d71f8f32c3a9a09aec53ad077450e93c6d
Link:
https://www.unpac.me/results/730cc0f4-533a-4798-a9d9-e5d70ebff4b0/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/23c9fe013be7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.50
Link:
https://yomi.yoroi.company/submissions/23c9fe013be7bed47c421bb84e272c492787dc16d773596263d4f25f638d8e6f

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
Create hunting rule
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.

Comments