MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b87707b4ec5d92bfb2e13e04201fe95df291612511a4023001d0ec7fcbf88cb3. 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: 17


Intelligence 17 IOCs 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b87707b4ec5d92bfb2e13e04201fe95df291612511a4023001d0ec7fcbf88cb3
SHA3-384 hash: dd928b1b912da73543ac526b1a3a01e354d67e0fca468af8a170b1bd5cbb80561b9853b0e0a2280774a35327641df3cf
SHA1 hash: fe3667e5c6a3056dac5bae9f2d718466a0b246bc
MD5 hash: bc1fb66921db74a0051917b26a4bd316
humanhash: timing-twelve-nuts-foxtrot
File name:bc1fb66921db74a0051917b26a4bd316.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:2'937'141 bytes
First seen:2025-01-03 06:55:17 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 24576:2TbBv5rUyXVgTcFTujpEPnECw7sUL/4cIG5IuUe1QdcqTHmdyptKB1njjR4nqHFK:IBJ2cFcWPnyMcQmQmqycMxFNyNl
TLSH T195D5A0203DEB502AF173EFB54AE4759ADA6FB6B33B07589E205003864713A81DDD163E
TrID 74.5% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
16.2% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
2.9% (.EXE) Win64 Executable (generic) (10522/11/4)
1.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://86.110.194.28/Test/Authpython/eternalUniversal7/EternalRequestTest/Testdatalife/processorWindowsDatalifepublic.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://86.110.194.28/Test/Authpython/eternalUniversal7/EternalRequestTest/Testdatalife/processorWindowsDatalifepublic.php https://threatfox.abuse.ch/ioc/1377512/

Intelligence

File Origin
# of uploads :
1
# of downloads :
519
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
bc1fb66921db74a0051917b26a4bd316.exe
Verdict:
Malicious activity
Analysis date:
2025-01-03 07:05:57 UTC
Tags:
dcrat rat remote darkcrystal susp-powershell wmi-base64 api-base64 stealer exfiltration
Link:
https://app.any.run/tasks/a9fa889a-761f-436f-9aea-3eb38b5cfe11

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.VBS.Encrypted.Gen.UNOFFICIAL
Create hunting rule

Win.Packed.QuasarRAT-10014495-0
Create hunting rule

Win.Packed.Uztuby-10015799-0
Create hunting rule

Win.Packed.Uztuby-10017372-0
Create hunting rule

SecuriteInfo.com.Trojan.GenericKD.38920448.13962.7593.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67778a0574a2bd296e25400a
Tags:
virus sage msil
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
Creating a file in the %temp% directory
Launching a process
Sending a UDP request
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8.Gen;Trojan.Uztuby
Link:
https://www.hybrid-analysis.com/sample/b87707b4ec5d92bfb2e13e04201fe95df291612511a4023001d0ec7fcbf88cb3
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:
Dark Crystal RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8207a834-4673-404d-a814-a9aa553e252c
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1583613
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops executable to a common third party application directory
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Loading BitLocker PowerShell Module
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
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: Files With System Process Name In Unsuspected Locations
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1583613 Sample: updIMdPUj8.exe Startdate: 03/01/2025 Architecture: WINDOWS Score: 100 85 Suricata IDS alerts for network traffic 2->85 87 Found malware configuration 2->87 89 Antivirus detection for dropped file 2->89 91 10 other signatures 2->91 10 updIMdPUj8.exe 3 6 2->10         started        13 svchost.exe 2->13         started        process3 dnsIp4 73 C:\...\hypersurrogateComponentdhcp.exe, PE32 10->73 dropped 75 wW6msodKQlyf4uIuEt...9vzHkuk0mZkwmTg.vbe, data 10->75 dropped 16 wscript.exe 1 10->16         started        79 127.0.0.1 unknown unknown 13->79 file5 process6 signatures7 81 Windows Scripting host queries suspicious COM object (likely to drop second stage) 16->81 83 Suspicious execution chain found 16->83 19 cmd.exe 1 16->19         started        process8 process9 21 hypersurrogateComponentdhcp.exe 3 40 19->21         started        25 conhost.exe 19->25         started        file10 57 C:\Windows\TAPI\ZWgKQlTqcrSB.exe, PE32 21->57 dropped 59 C:\Users\user\Desktop\zomqzklW.log, PE32 21->59 dropped 61 C:\Users\user\Desktop\zgCYVAKQ.log, PE32 21->61 dropped 63 27 other malicious files 21->63 dropped 93 Antivirus detection for dropped file 21->93 95 Multi AV Scanner detection for dropped file 21->95 97 Machine Learning detection for dropped file 21->97 99 4 other signatures 21->99 27 cmd.exe 21->27         started        30 powershell.exe 23 21->30         started        32 powershell.exe 23 21->32         started        34 3 other processes 21->34 signatures11 process12 signatures13 109 Uses ping.exe to sleep 27->109 111 Drops executables to the windows directory (C:\Windows) and starts them 27->111 113 Uses ping.exe to check the status of other devices and networks 27->113 36 ZWgKQlTqcrSB.exe 27->36         started        41 conhost.exe 27->41         started        55 2 other processes 27->55 115 Found many strings related to Crypto-Wallets (likely being stolen) 30->115 117 Loading BitLocker PowerShell Module 30->117 43 conhost.exe 30->43         started        45 conhost.exe 32->45         started        47 WmiPrvSE.exe 32->47         started        49 conhost.exe 34->49         started        51 conhost.exe 34->51         started        53 conhost.exe 34->53         started        process14 dnsIp15 77 86.110.194.28, 49736, 49737, 49738 RACKTECHRU Russian Federation 36->77 65 C:\Users\user\Desktop\yeGIODyj.log, PE32 36->65 dropped 67 C:\Users\user\Desktop\yViIeRfn.log, PE32 36->67 dropped 69 C:\Users\user\Desktop\tahrXlpt.log, PE32 36->69 dropped 71 21 other malicious files 36->71 dropped 101 Multi AV Scanner detection for dropped file 36->101 103 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 36->103 105 Found many strings related to Crypto-Wallets (likely being stolen) 36->105 107 2 other signatures 36->107 file16 signatures17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b87707b4ec5d92bfb2e13e04201fe95df291612511a4023001d0ec7fcbf88cb3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b87707b4ec5d92bfb2e13e04201fe95df291612511a4023001d0ec7fcbf88cb3/
Threat name:
Win32.Trojan.Uztuby
Create hunting rule
Status:
Malicious
First seen:
2024-12-31 14:40:18 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xb3qpnhmlwjl7mxbhyccah7jlxzjcyjfcgsaemab2dwh7s7yrszq._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 discovery execution infostealer rat
Link:
https://tria.ge/reports/250103-hqcdkstkdv/
Behaviour
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
DCRat payload
DcRat
Dcrat family
Verdict:
Malicious
Tags:
rat dcrat Win.Packed.QuasarRAT-10014495-0
YARA:
MAL_EXE_DCRat_Jul_08_2
Link:
https://app.threat.zone/submission/adac3430-ff9a-43e2-aeb0-a0a28237559f
Unpacked files
SH256 hash:
2b93377ea087225820a9f8e4f331005a0c600d557242366f06e0c1eae003d669
MD5 hash:
d8bf2a0481c0a17a634d066a711c12e9
SHA1 hash:
7cc01a58831ed109f85b64fe4920278cedf3e38d
Link:
https://www.unpac.me/results/96437b38-7604-42ae-b618-247f0f9403c8/
SH256 hash:
13dda59fc5ee0467673409903b23b4d245d6dfb6991d7ffd049a377755898428
MD5 hash:
78811478611e5c353aa236232af826bb
SHA1 hash:
604c2ce7245082fe2e47bab0d2119f96d2435fe1
Link:
https://www.unpac.me/results/96437b38-7604-42ae-b618-247f0f9403c8/
SH256 hash:
ee08091f6fbca8bff62f6c75ce5bb74cf86bdf8acf80d2497c399f01fcbde59d
MD5 hash:
8a121b557a98b065a7cd2eb30882362d
SHA1 hash:
87d030319ecab583fb3b68f152c10d780a4ba757
Detections:
cn_utf8_windows_terminal
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Create hunting rule
Link:
https://www.unpac.me/results/96437b38-7604-42ae-b618-247f0f9403c8/
SH256 hash:
b87707b4ec5d92bfb2e13e04201fe95df291612511a4023001d0ec7fcbf88cb3
MD5 hash:
bc1fb66921db74a0051917b26a4bd316
SHA1 hash:
fe3667e5c6a3056dac5bae9f2d718466a0b246bc
Link:
https://www.unpac.me/results/96437b38-7604-42ae-b618-247f0f9403c8/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b87707b4ec5d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b87707b4ec5d92bfb2e13e04201fe95df291612511a4023001d0ec7fcbf88cb3

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
Create hunting rule
Author:Nikolaos 'n0t' Totosis
Description:DCRat Payload
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Create hunting rule
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
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

Comments