MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b7b7e697954f5882dd6d3e8ee6197bab6c445dbd3a5af1118caa0e1ad908a9a. 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 YARA 3 File information Comments

SHA256 hash: 4b7b7e697954f5882dd6d3e8ee6197bab6c445dbd3a5af1118caa0e1ad908a9a
SHA3-384 hash: cd7d39cc5f665c04b41c8b339a65ad1deb784d4579910524b35a320d99f7dd4877eb921faba66e96ffb69af4a2759a78
SHA1 hash: 5aa5d092a699c319c4d000f61eb526445b11662d
MD5 hash: a8a4603bc85e306e0fdd17655e4820e4
humanhash: lemon-illinois-ceiling-sad
File name:a8a4603bc85e306e0fdd17655e4820e4.exe
Download: download sample
Signature DCRat
File size:3'817'238 bytes
First seen:2024-06-11 18:05:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e8a30656287fe831c9782204ed10cd68 (7 x LummaStealer, 3 x RedLineStealer, 2 x DCRat)
ssdeep 49152:fEuq6liv5bT20EgaBojf0nMyPbCqbfgIpoXW85SAmCgVibEuYUZzMA/y8N7RDnwG:fFqpbSdgaqADhpoXB5lbkHoNM9ZFv8
TLSH T1D106230AF39515F9E567C77889424981E6B63C060760AADF13F6097A6F233A0DE3F361
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
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://a0991799.xsph.ru/698d3620.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
365
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
fdef3bd7f14535f73bfcbe2741792c3c2c9cd10af69be1bd1bc1c41d5daeb71c.exe
Verdict:
Malicious activity
Analysis date:
2024-06-11 15:33:02 UTC
Tags:
xworm rat dcrat remote darkcrystal

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
Banker Encryption Execution Generic Network Other Static Stealth Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the %AppData% directory
Connection attempt
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the Windows subdirectories
Sending a UDP request
Unauthorized injection to a recently created process
Blocking the User Account Control
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Blocking a possibility to launch for the Windows Task Manager (taskmgr)
Enabling autorun by creating a file
Enabling autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bladabindi fingerprint lolbin microsoft_visual_cc overlay packed setupapi shdocvw shell32
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:
DCRat, XWorm
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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 detection for dropped file
Antivirus detection for URL or domain
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 multiple autostart registry keys
Creates processes via WMI
Disable UAC(promptonsecuredesktop)
Disables UAC (registry)
Found malware configuration
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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: Schedule system process
Sigma detected: System File Execution Location Anomaly
Sigma detected: WScript or CScript Dropper
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected DCRat
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1455415 Sample: ywXeiXEvP2.exe Startdate: 11/06/2024 Architecture: WINDOWS Score: 100 74 letter-takes.gl.at.ply.gg 2->74 82 Snort IDS alert for network traffic 2->82 84 Found malware configuration 2->84 86 Malicious sample detected (through community Yara rule) 2->86 88 16 other signatures 2->88 12 ywXeiXEvP2.exe 10 2->12         started        15 FMxFFfLOKpqCLtTFEmbkPKJrDwH.exe 2->15         started        18 conhost.exe 2->18         started        20 conhost.exe 2->20         started        signatures3 process4 file5 72 C:\Users\user\AppData\Local\...\Result.exe, PE32 12->72 dropped 22 Result.exe 3 12->22         started        112 Multi AV Scanner detection for dropped file 15->112 signatures6 process7 file8 54 C:\Users\user\AppData\Local\...\XClient.exe, PE32 22->54 dropped 56 C:\Users\user\AppData\...\DCRatBuild.exe, PE32 22->56 dropped 90 Antivirus detection for dropped file 22->90 92 Multi AV Scanner detection for dropped file 22->92 94 Machine Learning detection for dropped file 22->94 26 DCRatBuild.exe 3 11 22->26         started        30 XClient.exe 5 22->30         started        signatures9 process10 dnsIp11 66 C:\Users\user\AppData\...\ServerWeb.exe, PE32 26->66 dropped 68 C:\Users\user\AppData\...\UGsUclNNu9UBh.vbe, data 26->68 dropped 104 Antivirus detection for dropped file 26->104 106 Multi AV Scanner detection for dropped file 26->106 108 Machine Learning detection for dropped file 26->108 33 wscript.exe 1 26->33         started        36 wscript.exe 26->36         started        76 letter-takes.gl.at.ply.gg 147.185.221.19, 50230, 53164, 53165 SALSGIVERUS United States 30->76 78 127.0.0.1 unknown unknown 30->78 70 C:\Users\user\AppData\Roaming\XClient.exe, PE32 30->70 dropped 110 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 30->110 file12 signatures13 process14 signatures15 80 Windows Scripting host queries suspicious COM object (likely to drop second stage) 33->80 38 cmd.exe 33->38         started        process16 process17 40 ServerWeb.exe 38->40         started        44 conhost.exe 38->44         started        file18 58 C:\...\FMxFFfLOKpqCLtTFEmbkPKJrDwH.exe, PE32 40->58 dropped 60 C:\...\FMxFFfLOKpqCLtTFEmbkPKJrDwH.exe, PE32 40->60 dropped 62 C:\...\FMxFFfLOKpqCLtTFEmbkPKJrDwH.exe, PE32 40->62 dropped 64 11 other malicious files 40->64 dropped 96 Antivirus detection for dropped file 40->96 98 Multi AV Scanner detection for dropped file 40->98 100 Creates an undocumented autostart registry key 40->100 102 7 other signatures 40->102 46 schtasks.exe 40->46         started        48 schtasks.exe 40->48         started        50 schtasks.exe 40->50         started        52 23 other processes 40->52 signatures19 process20
Threat name:
Win64.Trojan.DisguisedXMRigMiner
Status:
Malicious
First seen:
2024-06-06 11:42:07 UTC
File Type:
PE+ (Exe)
Extracted files:
40
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat family:xworm evasion infostealer persistence rat trojan
Behaviour
Creates scheduled task(s)
Modifies registry class
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Adds Run key to start application
Checks whether UAC is enabled
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Disables Task Manager via registry modification
DCRat payload
DcRat
Detect Xworm Payload
Modifies WinLogon for persistence
Process spawned unexpected child process
UAC bypass
Xworm
Malware Config
C2 Extraction:
127.0.0.1:50230
letter-takes.gl.at.ply.gg:50230
Unpacked files
SH256 hash:
9a75e3d28b75744ce468224b00ca5caedd73df7f71c797df2cbee2e9ac2d9a81
MD5 hash:
57d593692c8428b66ed146e1fac689b7
SHA1 hash:
e9318d78efd4639d510ed9f39c8c3fca74ba9e14
Detections:
MALWARE_Win_XWorm win_mal_XWorm INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA MALWARE_Win_AsyncRAT
SH256 hash:
eb6807bb8e8a8c33e96a32e4086774747b3a296998440d7921afa4b59d7c0811
MD5 hash:
f0377b60ea28f2e8f7b0c48c3cd2b675
SHA1 hash:
89ec54e53f2af06a0d3e25aae524282baa495df2
Detections:
win_xorist_auto
SH256 hash:
0c2c8f5d98e7c90cc061bd3c88614ce9dc817c1406c55921a1b507d8e0b4caff
MD5 hash:
386803113da04c7643cf318da2e4c259
SHA1 hash:
78ac53aeddb649ad4039f17485c825e319c14f90
Detections:
XWorm MALWARE_Win_XWorm win_mal_XWorm INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA MALWARE_Win_AsyncRAT
SH256 hash:
d4482ca83d2a2dbd011c63739477e90893728af1a0b4e5fbc6413009573f7702
MD5 hash:
1be2b217087429a8397f448c9c7b8f8d
SHA1 hash:
4507e83e00cc18d738452d9217f4dfa19ca9d2de
Detections:
XWorm MALWARE_Win_XWorm win_mal_XWorm INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA MALWARE_Win_AsyncRAT
SH256 hash:
b59342163ea5752e627b1eb236f42a9882f15fdff96ca77eba7b20e416f4a4f3
MD5 hash:
7ec6bc11e4b2e409845e3160ec47f5d7
SHA1 hash:
c1a1a62f844556fd150c7515e124e98bf6d79a02
SH256 hash:
4b7b7e697954f5882dd6d3e8ee6197bab6c445dbd3a5af1118caa0e1ad908a9a
MD5 hash:
a8a4603bc85e306e0fdd17655e4820e4
SHA1 hash:
5aa5d092a699c319c4d000f61eb526445b11662d
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:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
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 (FORCE_INTEGRITY)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
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::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

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