MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18851c5ea81a956ba94aa1df173349b05bb45865fe09bec6bf7e069ce6100f2e. 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: 18


Intelligence 18 IOCs 1 YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 18851c5ea81a956ba94aa1df173349b05bb45865fe09bec6bf7e069ce6100f2e
SHA3-384 hash: 2302bb1b74b9e58d84edabc853bfd685f6acfded5ed34cc61c0747018a09b389f36af6d3ca4c41bc6ccaf8d6268e329f
SHA1 hash: ed20edd050b68986325e059240c6165736865db1
MD5 hash: 1954887cb3505d283c86d6e3379bb120
humanhash: moon-equal-high-mirror
File name:1954887cb3505d283c86d6e3379bb120.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:1'294'336 bytes
First seen:2024-10-02 20:15:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:N8iAvkij/9iCaMtOT41VtCP3J0QbFUoKbScbIf4v7CUet7GKf3VL/iab:NJaYCRX1VcPujXWqKJ
TLSH T1E6556C01BE44CE11F0892A33D3EF46484BB49C516AA6E31B7DBA376D16123A73D1D9CB
TrID 51.8% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
22.1% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.4% (.EXE) Win64 Executable (generic) (10523/12/4)
4.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://409728cm.nyashkoon.top/nyashsupport.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://409728cm.nyashkoon.top/nyashsupport.php https://threatfox.abuse.ch/ioc/1333027/

Intelligence

File Origin
# of uploads :
1
# of downloads :
405
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
1954887cb3505d283c86d6e3379bb120.exe
Verdict:
Malicious activity
Analysis date:
2024-10-02 20:17:27 UTC
Tags:
rat dcrat remote darkcrystal netreactor susp-powershell wmi-base64
Link:
https://app.any.run/tasks/13cd25f9-c809-4c38-a81b-d7c901110693

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Msilmamut-9950860-0
Create hunting rule

Win.Packed.Uztuby-9963900-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66fdaa05780a9b632d228195
Tags:
Powershell Phishing Autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Enabling autorun
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd cscript dcrat explorer lolbin net_reactor obfuscated packed packed prometheus schtasks vbnet
Link:
https://www.filescan.io/uploads/66fdaa03168559661d51d3ee/reports/63c321b2-5f90-4ec0-a85b-d80c5b4e6705/overview
Verdict:
Malicious
Labled as:
Ransom.Prometheus.Generic
Link:
https://www.hybrid-analysis.com/sample/18851c5ea81a956ba94aa1df173349b05bb45865fe09bec6bf7e069ce6100f2e
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:
DCRat
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6e330c2d-82a6-44ee-a412-39fe2c59d562
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1524503
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates an autostart registry key pointing to binary in C:\Windows
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious values (likely registry only malware)
Creates multiple autostart registry keys
Creates processes via WMI
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Files With System Process Name In Unsuspected Locations
Suricata IDS alerts for network traffic
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: 1524503 Sample: WzGy1mEhJz.exe Startdate: 02/10/2024 Architecture: WINDOWS Score: 100 41 Suricata IDS alerts for network traffic 2->41 43 Found malware configuration 2->43 45 Antivirus detection for dropped file 2->45 47 11 other signatures 2->47 7 WzGy1mEhJz.exe 6 44 2->7         started        11 ZqlYbdmQmachsn.exe 2 2->11         started        13 ZqlYbdmQmachsn.exe 2 2->13         started        15 2 other processes 2->15 process3 file4 33 C:\Windows\...\ZqlYbdmQmachsn.exe, PE32 7->33 dropped 35 C:\Windows\Installer\...\ZqlYbdmQmachsn.exe, PE32 7->35 dropped 37 C:\Users\user\Videos\ZqlYbdmQmachsn.exe, PE32 7->37 dropped 39 14 other malicious files 7->39 dropped 49 Creates an undocumented autostart registry key 7->49 51 Creates autostart registry keys with suspicious values (likely registry only malware) 7->51 53 Creates multiple autostart registry keys 7->53 57 3 other signatures 7->57 17 schtasks.exe 7->17         started        19 schtasks.exe 7->19         started        21 schtasks.exe 7->21         started        23 2 other processes 7->23 55 Multi AV Scanner detection for dropped file 11->55 signatures5 process6 process7 25 schtasks.exe 17->25         started        27 schtasks.exe 17->27         started        29 schtasks.exe 17->29         started        31 6 other processes 17->31
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/18851c5ea81a956ba94aa1df173349b05bb45865fe09bec6bf7e069ce6100f2e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/18851c5ea81a956ba94aa1df173349b05bb45865fe09bec6bf7e069ce6100f2e/
Threat name:
ByteCode-MSIL.Ransomware.Prometheus
Create hunting rule
Status:
Malicious
First seen:
2024-09-30 23:05:54 UTC
File Type:
PE (.Net Exe)
AV detection:
32 of 37 (86.49%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dccryxvidkkwxkkkuhprom2jwbn3iwdf7ye35rv7pydjzzqqb4xa._file
Verdict:
malicious
Label(s):
dcrat
Create hunting rule
Similar samples:
error
DCRat
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat execution infostealer persistence rat spyware stealer
Link:
https://tria.ge/reports/241002-y145cavbmj/
Behaviour
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
DCRat payload
DcRat
Modifies WinLogon for persistence
Process spawned unexpected child process
Verdict:
Malicious
Tags:
rat dcrat
YARA:
MAL_EXE_DCRat_Jul_08_2
Link:
https://app.threat.zone/submission/23e951c8-17d8-450a-8011-fd2acab5cd84
Unpacked files
SH256 hash:
150bc49f9755f25221bfc445c7a067615cdb8de797c6c6ba873e3f56e0036799
MD5 hash:
62e2e1875fed8255a355ad33978871f8
SHA1 hash:
cbd378e64a125ba6b0306d126eec6bd4cecda46c
Link:
https://www.unpac.me/results/b74f73fb-284b-4c8f-bcc1-a91a6aa92313/
SH256 hash:
4e7559a9539caf9238081cc71ca062ac4b5cf35c132ab2cff639f96f71878bb6
MD5 hash:
eee2cbc8116cf91009dcd705456753f4
SHA1 hash:
7119a961d3556cb1c912dec91e40b098b6b57f8e
Link:
https://www.unpac.me/results/b74f73fb-284b-4c8f-bcc1-a91a6aa92313/
SH256 hash:
a6961717611d5e276dc288c7a79e4b53db54326e46ca7b6c516247aaf1539071
MD5 hash:
8372644a8f15ad1bacabfdd948d22c02
SHA1 hash:
590024c7af62c018a8f123b3ee4000da9c76bb57
Link:
https://www.unpac.me/results/b74f73fb-284b-4c8f-bcc1-a91a6aa92313/
SH256 hash:
c84dea67a6c2545d557a90c1a3e0bb8f98516c839a84449fa163433a7e0de858
MD5 hash:
22258e50376579879e7a14e2e1e6e632
SHA1 hash:
020b6c495704912c8e9b149f6c0c1d11339b42fd
Link:
https://www.unpac.me/results/b74f73fb-284b-4c8f-bcc1-a91a6aa92313/
SH256 hash:
18851c5ea81a956ba94aa1df173349b05bb45865fe09bec6bf7e069ce6100f2e
MD5 hash:
1954887cb3505d283c86d6e3379bb120
SHA1 hash:
ed20edd050b68986325e059240c6165736865db1
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/b74f73fb-284b-4c8f-bcc1-a91a6aa92313/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/18851c5ea81a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.91
Link:
https://yomi.yoroi.company/submissions/18851c5ea81a956ba94aa1df173349b05bb45865fe09bec6bf7e069ce6100f2e

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:BAZT_B5_NOCEXInvalidStream
Create hunting rule
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:DotNet_Reactor
Create hunting rule
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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