MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac9a5bcaab71d2d86441883093adfeaf6cf6927da63a14311cff5e857e17ba35. 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: 15


Intelligence 15 IOCs 1 YARA 14 File information Comments

SHA256 hash: ac9a5bcaab71d2d86441883093adfeaf6cf6927da63a14311cff5e857e17ba35
SHA3-384 hash: d49928a34c9ff0a1a5d85331960d12f9ce3900f8120c6fa9edc483869b7cb88b8adc1bded971e3e9e25fb42644774569
SHA1 hash: 1c6b9423ee8e4742a3f01d00584832cdad751262
MD5 hash: 8f54822b692d629ea831f055d3afed63
humanhash: lemon-west-social-thirteen
File name:OLkGMsG.exe
Download: download sample
Signature DCRat
File size:1'175'838 bytes
First seen:2025-07-29 15:05:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (389 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 24576:2TbBv5rUyXVYyo+aB3Jq019qN5cw6K6t7lr:IBJno+uZqW/w65lr
Threatray 2'473 similar samples on MalwareBazaar
TLSH T1EF451A203AEB0036F177AFB159D1799E866EF9F377169E8E305042CA8712780DD9173A
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10522/11/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:DCRat exe RAT


Avatar
abuse_ch
DCRat C2:
http://45.150.34.142/Sqltest/Temp42Game/PipeFlowerCdn/Requestupdate5/gametoVoiddb/php/2db/1db/1bigload/securegeo/videoimage/baseProcessorEternal/videotopythonapiPublic.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://45.150.34.142/Sqltest/Temp42Game/PipeFlowerCdn/Requestupdate5/gametoVoiddb/php/2db/1db/1bigload/securegeo/videoimage/baseProcessorEternal/videotopythonapiPublic.php https://threatfox.abuse.ch/ioc/1562039/

Intelligence


File Origin
# of uploads :
1
# of downloads :
44
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
OLkGMsG.exe
Verdict:
Malicious activity
Analysis date:
2025-07-29 15:14:22 UTC
Tags:
auto-sch auto-reg dcrat rat remote darkcrystal exfiltration stealer wmi-base64 susp-powershell

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
autorun shell micro sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Loading a suspicious library
Creating a file in the Windows subdirectories
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the %temp% directory
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
Enabling autorun
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8.Gen;Trojan.Uztuby
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Creates an autostart registry key pointing to binary in C:\Windows
Creates an undocumented autostart registry key
Creates multiple autostart registry keys
Creates processes via WMI
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Infects executable files (exe, dll, sys, html)
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Execution from Suspicious Folder
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Suspicious execution chain found
Tries to harvest and steal browser information (history, passwords, etc)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected DCRat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1746423 Sample: OLkGMsG.exe Startdate: 29/07/2025 Architecture: WINDOWS Score: 100 96 Suricata IDS alerts for network traffic 2->96 98 Found malware configuration 2->98 100 Antivirus detection for dropped file 2->100 102 15 other signatures 2->102 10 OLkGMsG.exe 3 6 2->10         started        13 hmpvoSmt75oit.exe 2->13         started        17 iqQSncQCv322TuuO.exe 2->17         started        19 11 other processes 2->19 process3 dnsIp4 62 C:\...\surrogateAgentcomponentdhcp.exe, PE32 10->62 dropped 64 MdeIFOxYPxCE8cCAOL...xWi8G5IaM1dWLeu.vbe, data 10->64 dropped 21 wscript.exe 1 10->21         started        82 45.150.34.142, 49686, 49687, 49688 CLOUD-SOUTHUS Ukraine 13->82 66 C:\Users\user\Desktop\sgizOJpU.log, PE32 13->66 dropped 68 C:\Users\user\Desktop\jDaKeQZn.log, PE32 13->68 dropped 70 C:\Users\user\Desktop\hsDJexum.log, PE32 13->70 dropped 72 3 other malicious files 13->72 dropped 116 Found many strings related to Crypto-Wallets (likely being stolen) 13->116 118 Tries to harvest and steal browser information (history, passwords, etc) 13->118 120 Antivirus detection for dropped file 17->120 122 Multi AV Scanner detection for dropped file 17->122 84 127.0.0.1 unknown unknown 19->84 file5 signatures6 process7 signatures8 104 Windows Scripting host queries suspicious COM object (likely to drop second stage) 21->104 106 Suspicious execution chain found 21->106 24 cmd.exe 1 21->24         started        process9 process10 26 surrogateAgentcomponentdhcp.exe 9 28 24->26         started        30 conhost.exe 24->30         started        file11 74 C:\Windows\bcastdvr\04G577mooPXRld9jM9.exe, PE32 26->74 dropped 76 C:\Users\user\Desktop\wHWYKxhq.log, PE32 26->76 dropped 78 C:\Users\user\Desktop\uKvQpxSv.log, PE32 26->78 dropped 80 11 other malicious files 26->80 dropped 108 Antivirus detection for dropped file 26->108 110 Multi AV Scanner detection for dropped file 26->110 112 Creates an undocumented autostart registry key 26->112 114 5 other signatures 26->114 32 cmd.exe 26->32         started        35 powershell.exe 23 26->35         started        37 csc.exe 4 26->37         started        40 4 other processes 26->40 signatures12 process13 file14 86 Uses ping.exe to sleep 32->86 88 Uses ping.exe to check the status of other devices and networks 32->88 42 conhost.exe 32->42         started        56 3 other processes 32->56 90 Found many strings related to Crypto-Wallets (likely being stolen) 35->90 92 Loading BitLocker PowerShell Module 35->92 44 conhost.exe 35->44         started        60 C:\Windows\...\SecurityHealthSystray.exe, PE32 37->60 dropped 94 Infects executable files (exe, dll, sys, html) 37->94 46 conhost.exe 37->46         started        48 cvtres.exe 1 37->48         started        50 conhost.exe 40->50         started        52 conhost.exe 40->52         started        54 conhost.exe 40->54         started        58 2 other processes 40->58 signatures15 process16
Gathering data
Threat name:
Win32.Backdoor.DCRat
Status:
Malicious
First seen:
2025-07-28 23:40:24 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat discovery execution infostealer persistence rat spyware stealer
Behaviour
Modifies registry class
Runs ping.exe
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
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 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
Dcrat family
Modifies WinLogon for persistence
Process spawned unexpected child process
Verdict:
Malicious
Tags:
rat dcrat Win.Trojan.Uztuby-9855059-0
YARA:
MAL_EXE_DCRat_Jul_08_2
Unpacked files
SH256 hash:
ac9a5bcaab71d2d86441883093adfeaf6cf6927da63a14311cff5e857e17ba35
MD5 hash:
8f54822b692d629ea831f055d3afed63
SHA1 hash:
1c6b9423ee8e4742a3f01d00584832cdad751262
SH256 hash:
d1b92814d44e9a47e59a75234395337bb20bfe2e9cdbae28b26b5c88ea84efc3
MD5 hash:
1ba27d8ed76bf230fe42c74ca17d79a9
SHA1 hash:
f241d0286f962c26bbc885cdd29a60e814c819e4
Detections:
cn_utf8_windows_terminal INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
SH256 hash:
2b93377ea087225820a9f8e4f331005a0c600d557242366f06e0c1eae003d669
MD5 hash:
d8bf2a0481c0a17a634d066a711c12e9
SHA1 hash:
7cc01a58831ed109f85b64fe4920278cedf3e38d
SH256 hash:
80e1a5e95a2412691095f76c4e812cf623c3c63ae5a79545c99745f27e023050
MD5 hash:
91fb2078c1dd5d8307149d9ea288fff9
SHA1 hash:
91f1473740ca436583ea9817c42727c8eacabb8d
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:DCRat
Author:Nikolaos 'n0t' Totosis
Description:DCRat Payload
Rule name:dcrat_
Author:Michelle Khalil
Description:This rule detects unpacked dcrat malware samples.
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:RSharedStrings
Author:Katie Kleemola
Description:identifiers for remote and gmremote
Rule name:SelfExtractingRAR
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

DCRat

Executable exe ac9a5bcaab71d2d86441883093adfeaf6cf6927da63a14311cff5e857e17ba35

(this sample)

  
Delivery method
Distributed via web download

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
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

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