MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 641d3b5292b32444f764cbd3d410750f6358e3382e19d1b23f549995cd668c10. 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: 14


Intelligence 14 IOCs 1 YARA 10 File information Comments

SHA256 hash: 641d3b5292b32444f764cbd3d410750f6358e3382e19d1b23f549995cd668c10
SHA3-384 hash: cccfbacb11c7bbd084256791006d6bfef1a81f3d1acfd91ee4912308597b3ac7415bd44adc1fa408a45adab33cd2d923
SHA1 hash: 9e25500517cd1bc10cfbe3fd76539b4f6ef0cb09
MD5 hash: b941cec1a1c25b304d7e6efb8452264d
humanhash: fruit-double-purple-friend
File name:b941cec1a1c25b304d7e6efb8452264d.exe
Download: download sample
Signature DCRat
File size:2'039'792 bytes
First seen:2025-05-01 07:28:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (431 x NirCmd, 392 x DCRat, 52 x RedLineStealer)
ssdeep 49152:7Br3AHImfqprYDoYJAW99DwSSPym986qf03:F0HGsD7CW99DSab6OU
TLSH T13B951281F7C0CC73F17528376A2597187A2DB9181FD08ABB638C754CB8325C196F9E6A
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 0955c64a96985100 (3 x DCRat, 1 x AsyncRAT, 1 x Petya)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://81.94.155.48/VideotempSecureDefault/eternal/CentraltempApiVm/ExternalSecureprotectAsyncCdn.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://81.94.155.48/VideotempSecureDefault/eternal/CentraltempApiVm/ExternalSecureprotectAsyncCdn.php https://threatfox.abuse.ch/ioc/1514466/

Intelligence


File Origin
# of uploads :
1
# of downloads :
402
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
start.exe
Verdict:
Malicious activity
Analysis date:
2025-04-24 22:35:53 UTC
Tags:
rat dcrat remote darkcrystal

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
virus 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 Program Files subdirectories
Creating a file in the %temp% directory
Launching a process
Using the Windows Management Instrumentation requests
Connection attempt
Sending an HTTP POST request
Unauthorized injection to a recently created process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm fingerprint installer microsoft_visual_cc net overlay overlay packed packer_detected sfx
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8.Gen;Trojan.Uztuby
Result
Threat name:
DCRat, PureLog Stealer, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
Found malware configuration
Joe Sandbox ML detected suspicious sample
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Suspicious File Creation In Uncommon AppData Folder
Suricata IDS alerts for network traffic
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
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1678908 Sample: glxcWGzu3Z.exe Startdate: 01/05/2025 Architecture: WINDOWS Score: 100 60 Suricata IDS alerts for network traffic 2->60 62 Found malware configuration 2->62 64 Antivirus detection for URL or domain 2->64 66 10 other signatures 2->66 10 glxcWGzu3Z.exe 3 6 2->10         started        process3 file4 46 C:\intoSessionSvc\containerServersvc.exe, MS-DOS 10->46 dropped 48 C:\...c98vGzxbE1gJl5WDP6J8PyE8.vbe, data 10->48 dropped 13 wscript.exe 1 10->13         started        process5 signatures6 76 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->76 16 cmd.exe 1 13->16         started        process7 process8 18 containerServersvc.exe 3 23 16->18         started        22 conhost.exe 16->22         started        file9 38 C:\Windows\...\e7tGhsuHdJ46KxbA5rt9w.exe, MS-DOS 18->38 dropped 40 C:\Users\user\Desktop\zmsXGVus.log, PE32 18->40 dropped 42 C:\Users\user\Desktop\wfvOkDAw.log, PE32 18->42 dropped 44 10 other malicious files 18->44 dropped 68 Antivirus detection for dropped file 18->68 70 Multi AV Scanner detection for dropped file 18->70 24 cmd.exe 1 18->24         started        signatures10 process11 signatures12 72 Uses ping.exe to sleep 24->72 74 Uses ping.exe to check the status of other devices and networks 24->74 27 yi3ayCU1Gad.exe 14 577 24->27         started        32 conhost.exe 24->32         started        34 PING.EXE 1 24->34         started        36 chcp.com 1 24->36         started        process13 dnsIp14 58 81.94.155.48, 49686, 49687, 49688 WESTCALL-ASRU Russian Federation 27->58 50 C:\Users\user\Desktop\oEtzwfok.log, PE32 27->50 dropped 52 C:\Users\user\Desktop\fsrbbHSF.log, PE32 27->52 dropped 54 C:\Users\user\Desktop\dYybrDUH.log, PE32 27->54 dropped 56 4 other malicious files 27->56 dropped 78 Antivirus detection for dropped file 27->78 80 Multi AV Scanner detection for dropped file 27->80 82 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 27->82 84 2 other signatures 27->84 file15 signatures16
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Status:
Malicious
First seen:
2025-04-24 22:37:22 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
Win.Trojan.Uztuby-9855059-0 dcrat
YARA:
n/a
Unpacked files
SH256 hash:
641d3b5292b32444f764cbd3d410750f6358e3382e19d1b23f549995cd668c10
MD5 hash:
b941cec1a1c25b304d7e6efb8452264d
SHA1 hash:
9e25500517cd1bc10cfbe3fd76539b4f6ef0cb09
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
5c65978b3d43bfeb06758919a17be1c4cc23dc796b6d6ffdf55c24d40aa7b8a0
MD5 hash:
feb01333f3528986943cb229f2ff2a23
SHA1 hash:
bd282c2dc22a037295e85d73189526f653ad4a0e
SH256 hash:
2b93377ea087225820a9f8e4f331005a0c600d557242366f06e0c1eae003d669
MD5 hash:
d8bf2a0481c0a17a634d066a711c12e9
SHA1 hash:
7cc01a58831ed109f85b64fe4920278cedf3e38d
SH256 hash:
fca817af4c5a969dc25e1853694d3f54b17984c4fa8c0e17bbfcce494164fbb5
MD5 hash:
1df6b71bb5b48b63f0e25503b5f889bd
SHA1 hash:
8d9936dc03f3e94959a755d69a30f9f1b70b230a
SH256 hash:
b2110a6e2b80f14f39c97e4b438f7d664d9923d6d47f9cfeb269a48e8832d4d6
MD5 hash:
4e2347c9f413cb2d0204cdcbe476706b
SHA1 hash:
677b7a8f7245d7986444731a56b908b4127d4a40
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24 INDICATOR_EXE_Packed_DotNetReactor
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:mpress_2_xx_net
Author:Kevin Falcoz
Description:MPRESS v2.XX .NET
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: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_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.

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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