MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 889b17b03c70694ed6c4ecfa01cbf78f4e75e09c91cf2ac3f0a978f2ed5d9785. 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 5 File information Comments

SHA256 hash: 889b17b03c70694ed6c4ecfa01cbf78f4e75e09c91cf2ac3f0a978f2ed5d9785
SHA3-384 hash: f39b4d15f0ffc00447cd91d1134502cc25b3a0dba75d5da542cff510fd99dc0a3b884180791074e55585a444cb15bbe2
SHA1 hash: 010682183996c17f20015541c30a1d1240e31f71
MD5 hash: 2249fd1ccc3fff8085d19b5c61794307
humanhash: three-queen-virginia-kilo
File name:2249fd1ccc3fff8085d19b5c61794307.exe
Download: download sample
Signature DCRat
File size:3'664'174 bytes
First seen:2024-06-22 22:20:13 UTC
Last seen:2024-06-22 23:23:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (430 x NirCmd, 392 x DCRat, 52 x RedLineStealer)
ssdeep 98304:ysncRgH3N9GYPmDgqc6dJTGaKVQMr3FsNoZsw:PncRgHd9G7gqc6b0bSNMz
Threatray 293 similar samples on MalwareBazaar
TLSH T19B063381BAC099B2D51308B39AB667017A3DBD310B69CEEF6714B54EDF218C0D7363A5
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
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://82.146.46.5/asynccentral/PythonProcesseternal/542/Generator/JsSql.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://82.146.46.5/asynccentral/PythonProcesseternal/542/Generator/JsSql.php https://threatfox.abuse.ch/ioc/1287904/

Intelligence


File Origin
# of uploads :
2
# of downloads :
498
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
889b17b03c70694ed6c4ecfa01cbf78f4e75e09c91cf2ac3f0a978f2ed5d9785.exe
Verdict:
Malicious activity
Analysis date:
2024-06-22 22:23:16 UTC
Tags:
evasion telegram dcrat netreactor rat remote darkcrystal exfiltration

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Banker Encryption Execution Generic Network Other Static Stealth Uztuby Dexter
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 Program Files subdirectories
Using the Windows Management Instrumentation requests
Launching a process
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
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.
Result
Threat name:
PureLog Stealer, zgRAT
Detection:
malicious
Classification:
spre.troj.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus detection for dropped file
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
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Infects executable files (exe, dll, sys, html)
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
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Schedule system process
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic
Suspicious execution chain found
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
Uses the Telegram API (likely for C&C communication)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1461151 Sample: 4h4b4EWVNU.exe Startdate: 23/06/2024 Architecture: WINDOWS Score: 100 83 api.telegram.org 2->83 85 ipinfo.io 2->85 101 Snort IDS alert for network traffic 2->101 103 Antivirus detection for dropped file 2->103 105 Multi AV Scanner detection for dropped file 2->105 109 12 other signatures 2->109 11 4h4b4EWVNU.exe 3 6 2->11         started        14 lsass.exe 2->14         started        16 conhost.exe 2->16         started        19 9 other processes 2->19 signatures3 107 Uses the Telegram API (likely for C&C communication) 83->107 process4 file5 65 C:\bridgePerf\comdriver.exe, PE32 11->65 dropped 21 wscript.exe 1 11->21         started        67 C:\Users\user\Desktop\wWbjgbYz.log, PE32 14->67 dropped 69 C:\Users\user\Desktop\wNEjwpFC.log, PE32 14->69 dropped 71 C:\Users\user\Desktop\uLRAaGBH.log, PE32 14->71 dropped 73 22 other malicious files 14->73 dropped 91 Multi AV Scanner detection for dropped file 16->91 signatures6 process7 signatures8 111 Windows Scripting host queries suspicious COM object (likely to drop second stage) 21->111 113 Suspicious execution chain found 21->113 24 cmd.exe 1 21->24         started        process9 process10 26 comdriver.exe 23 53 24->26         started        31 conhost.exe 24->31         started        dnsIp11 87 api.telegram.org 149.154.167.220, 443, 49718 TELEGRAMRU United Kingdom 26->87 89 ipinfo.io 34.117.186.192, 443, 49715, 49717 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 26->89 75 C:\bridgePerf\powershell.exe, PE32 26->75 dropped 77 C:\bridgePerf\lsass.exe, PE32 26->77 dropped 79 C:\Windows\apppatch\ppTvcTrLHqJMT.exe, PE32 26->79 dropped 81 28 other malicious files 26->81 dropped 115 Multi AV Scanner detection for dropped file 26->115 117 Creates an undocumented autostart registry key 26->117 119 Creates autostart registry keys with suspicious values (likely registry only malware) 26->119 121 6 other signatures 26->121 33 cmd.exe 26->33         started        36 csc.exe 26->36         started        39 csc.exe 26->39         started        41 29 other processes 26->41 file12 signatures13 process14 file15 93 Uses ping.exe to sleep 33->93 95 Uses ping.exe to check the status of other devices and networks 33->95 57 4 other processes 33->57 61 C:\Program Files (x86)\...\msedge.exe, PE32 36->61 dropped 97 Infects executable files (exe, dll, sys, html) 36->97 43 conhost.exe 36->43         started        45 cvtres.exe 36->45         started        63 C:\Windows\...\SecurityHealthSystray.exe, PE32 39->63 dropped 47 conhost.exe 39->47         started        49 cvtres.exe 39->49         started        99 Loading BitLocker PowerShell Module 41->99 51 conhost.exe 41->51         started        53 conhost.exe 41->53         started        55 conhost.exe 41->55         started        59 10 other processes 41->59 signatures16 process17
Threat name:
Win32.Trojan.DCRat
Status:
Malicious
First seen:
2024-06-17 01:08:47 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution persistence spyware stealer
Behaviour
Modifies registry class
Modifies system certificate store
Runs ping.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in System32 directory
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Modifies WinLogon for persistence
Process spawned unexpected child process
Unpacked files
SH256 hash:
2b93377ea087225820a9f8e4f331005a0c600d557242366f06e0c1eae003d669
MD5 hash:
d8bf2a0481c0a17a634d066a711c12e9
SHA1 hash:
7cc01a58831ed109f85b64fe4920278cedf3e38d
SH256 hash:
7a080d8bd178ec02c7f39f7f941479074c450c4fdd8e963c993d2fb5537c7708
MD5 hash:
16b480082780cc1d8c23fb05468f64e7
SHA1 hash:
6fddf86f9f0fbaa189f5cb79e44999a3f1ac2b26
SH256 hash:
74d14535b2f10b5343c5daa600a5d7d5c021ef57f8d045f168df4732ecd4aafa
MD5 hash:
91d0c8fb3dea2d52bbe3d1c8690e08d9
SHA1 hash:
74ed78d0e58e90d367f07fc66309499520d6c993
Detections:
INDICATOR_EXE_Packed_DotNetReactor
SH256 hash:
889b17b03c70694ed6c4ecfa01cbf78f4e75e09c91cf2ac3f0a978f2ed5d9785
MD5 hash:
2249fd1ccc3fff8085d19b5c61794307
SHA1 hash:
010682183996c17f20015541c30a1d1240e31f71
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:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
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

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