MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fab97138b63949bba074d0510d3707f2ccf96632688086a36d1976dadb973fd1. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fab97138b63949bba074d0510d3707f2ccf96632688086a36d1976dadb973fd1
SHA3-384 hash: c46add9e16f801e7b1841dface54afdd5d08d4010c27b88a4d45e3b5b1e3e5ba1102b385c0013e806705f063b8d91d1d
SHA1 hash: 4345b5fb8073eba34c3c3b7c99cd953f334a8b8e
MD5 hash: 51ffa30e0bb9d0cfbfaf1196013fa002
humanhash: lemon-nevada-paris-lion
File name:51ffa30e0bb9d0cfbfaf1196013fa002.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:2'619'868 bytes
First seen:2024-10-04 10:15:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 49152:UbA30nbz7noruNu06uhaPSKhsToOVc6YlGa4SwvPrn0Gtkjz/+fM:Ub7bforB0UsoOVileSwvPrnLkjz/+k
Threatray 65 similar samples on MalwareBazaar
TLSH T152C5CF017E40CA11F0192633C2EF45084BB4AD516BA6F72B7EBA376E59123937D1DACB
TrID 76.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
16.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
3.0% (.EXE) Win64 Executable (generic) (10523/12/4)
1.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.2% (.EXE) Win32 Executable (generic) (4504/4/1)
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://a1035834.xsph.ru/L1nc0In.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://a1035834.xsph.ru/L1nc0In.php https://threatfox.abuse.ch/ioc/1333724/

Intelligence

File Origin
# of uploads :
1
# of downloads :
499
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
51ffa30e0bb9d0cfbfaf1196013fa002.exe
Verdict:
Malicious activity
Analysis date:
2024-10-04 10:16:18 UTC
Tags:
rat dcrat remote darkcrystal
Link:
https://app.any.run/tasks/5268d861-1b3c-40a8-a3f2-f1338ae41126

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.Trojan.Uztuby-9855059-0
Create hunting rule

Win.Ransomware.Clinix-9868408-0
Create hunting rule

Win.Packed.Msilmamut-9950860-0
Create hunting rule

Win.Packed.Uztuby-9963900-0
Create hunting rule

Win.Packed.Uztuby-9969968-0
Create hunting rule

Win.Malware.Uztuby-9972880-0
Create hunting rule

Win.Trojan.DarkKomet-9976180-0
Create hunting rule

Win.Trojan.Uztuby-10010740-0
Create hunting rule

SecuriteInfo.com.Trojan.Rasftuby.Gen.14.10239.27368.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66ffc0640fdf8887097d07db
Tags:
Powershell Phishing Autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the Windows subdirectories
Creating a file in the %temp% directory
Sending a UDP request
Unauthorized injection to a recently created process
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd cscript dcrat epmicrosoft_visual_cc explorer fingerprint installer lolbin microsoft_visual_cc overlay packed packed prometheus schtasks setupapi sfx shdocvw shell32
Link:
https://www.filescan.io/uploads/66ffc06c2413b9e0517407dd/reports/b1305712-04a4-4617-b9aa-be500097bb4e/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/fab97138b63949bba074d0510d3707f2ccf96632688086a36d1976dadb973fd1
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cabb02bd-1877-4cb8-9a47-96e59d3ecf46
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1525580
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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
Disable Task Manager(disabletaskmgr)
Disables the Windows task manager (taskmgr)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the user root directory
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
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)
Sigma detected: Execution from Suspicious Folder
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
Suricata IDS alerts 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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1525580 Sample: MmsIUhuSvr.exe Startdate: 04/10/2024 Architecture: WINDOWS Score: 100 67 a1035834.xsph.ru 2->67 85 Multi AV Scanner detection for domain / URL 2->85 87 Suricata IDS alerts for network traffic 2->87 89 Found malware configuration 2->89 91 14 other signatures 2->91 11 MmsIUhuSvr.exe 3 11 2->11         started        14 conhost.exe 2->14         started        17 gVlsMAuUHZXdHd.exe 2->17         started        19 4 other processes 2->19 signatures3 process4 dnsIp5 55 C:\Users\user\...\nvidiadriversdllhost.exe, PE32 11->55 dropped 57 C:\Users\...\2EJOc4PulvjckAM8hcyBQtPX.vbe, data 11->57 dropped 22 wscript.exe 1 11->22         started        25 cmd.exe 1 11->25         started        99 Antivirus detection for dropped file 14->99 101 Multi AV Scanner detection for dropped file 14->101 103 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 14->103 105 Machine Learning detection for dropped file 14->105 69 a1035834.xsph.ru 141.8.194.149, 49732, 49737, 49738 SPRINTHOSTRU Russian Federation 19->69 file6 signatures7 process8 signatures9 93 Windows Scripting host queries suspicious COM object (likely to drop second stage) 22->93 27 cmd.exe 1 22->27         started        29 conhost.exe 25->29         started        process10 process11 31 nvidiadriversdllhost.exe 6 24 27->31         started        35 reg.exe 27->35         started        37 conhost.exe 27->37         started        file12 59 C:\Windows\System32\...\gVlsMAuUHZXdHd.exe, PE32 31->59 dropped 61 C:\Windows\Migration\WTR\conhost.exe, PE32 31->61 dropped 63 C:\Windows\AppReadiness\gVlsMAuUHZXdHd.exe, PE32 31->63 dropped 65 7 other malicious files 31->65 dropped 71 Antivirus detection for dropped file 31->71 73 Multi AV Scanner detection for dropped file 31->73 75 Creates an undocumented autostart registry key 31->75 81 6 other signatures 31->81 39 cmd.exe 31->39         started        42 schtasks.exe 31->42         started        44 schtasks.exe 31->44         started        46 25 other processes 31->46 77 Disable Task Manager(disabletaskmgr) 35->77 79 Disables the Windows task manager (taskmgr) 35->79 signatures13 process14 signatures15 95 Drops executables to the windows directory (C:\Windows) and starts them 39->95 48 gVlsMAuUHZXdHd.exe 39->48         started        51 conhost.exe 39->51         started        53 w32tm.exe 39->53         started        97 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 42->97 process16 signatures17 83 Multi AV Scanner detection for dropped file 48->83
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fab97138b63949bba074d0510d3707f2ccf96632688086a36d1976dadb973fd1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fab97138b63949bba074d0510d3707f2ccf96632688086a36d1976dadb973fd1/
Threat name:
ByteCode-MSIL.Trojan.Uztuby
Create hunting rule
Status:
Malicious
First seen:
2024-10-01 13:00:00 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7k4xcofwhfe3xidu2biq2nyh6lgpszrsncaini3ndf3nvw4xh7iq._file
Verdict:
malicious
Label(s):
dcrat
Create hunting rule
Similar samples:
132d4d7f1635c8c0a5bc723e1bee6d2475cce461fefad80f07d74ad1fbd12357
DCRat
533c1f6d82962094e076116e5eaf643dd440eff83861ccf26334bc553fb6d129
DCRat
e1b8ed2880ce666a4d5f4fe82efb15594f53b4d5883b727753948cba14404905
DCRat
e23b924ff1c1b8a67aebc3b98711c63e12832e2bdd41ff8a52b15685bfabfc6d
DCRat
error
DCRat
fab97138b63949bba074d0510d3707f2ccf96632688086a36d1976dadb973fd1
DCRat
+ 55 additional samples on MalwareBazaar
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat discovery evasion infostealer persistence rat
Link:
https://tria.ge/reports/241004-masg3ssfpb/
Behaviour
Modifies registry class
Modifies registry key
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Disables Task Manager via registry modification
DCRat payload
DcRat
Modifies WinLogon for persistence
Process spawned unexpected child process
Verdict:
Malicious
Tags:
rat dcrat
YARA:
MAL_EXE_DCRat_Jul_08_2
Link:
https://app.threat.zone/submission/ecc10be5-abbd-4dee-b13d-7008b8dd03bf
Unpacked files
SH256 hash:
89dc4a49a1339de24b1b4d58497b9b444ff7cf84cc4849bd45081d5d9b71e7a2
MD5 hash:
b9cd3b9885097dc52d4a4092c6663296
SHA1 hash:
d4b82555fd1ef891fa3e3b275c833ba8e311da9d
Link:
https://www.unpac.me/results/d17aa5ec-d8a2-4b59-98ce-9e047de487bb/
SH256 hash:
4e7559a9539caf9238081cc71ca062ac4b5cf35c132ab2cff639f96f71878bb6
MD5 hash:
eee2cbc8116cf91009dcd705456753f4
SHA1 hash:
7119a961d3556cb1c912dec91e40b098b6b57f8e
Link:
https://www.unpac.me/results/d17aa5ec-d8a2-4b59-98ce-9e047de487bb/
SH256 hash:
a6961717611d5e276dc288c7a79e4b53db54326e46ca7b6c516247aaf1539071
MD5 hash:
8372644a8f15ad1bacabfdd948d22c02
SHA1 hash:
590024c7af62c018a8f123b3ee4000da9c76bb57
Link:
https://www.unpac.me/results/d17aa5ec-d8a2-4b59-98ce-9e047de487bb/
SH256 hash:
dd05ba436a6e864f28848bfbe223398cdac842aec4d9972f5be62186d492bb66
MD5 hash:
8a5aa77a37e78d726d2323c4da7f21e9
SHA1 hash:
40866f2cefb549d7f3694f88701c26847aab83f9
Link:
https://www.unpac.me/results/d17aa5ec-d8a2-4b59-98ce-9e047de487bb/
SH256 hash:
ec9314e0482f88ea0c5332fb48747c01f16827931f561b2d69023392ec647214
MD5 hash:
5c4462cfecfb6d9a5e134059b74d9723
SHA1 hash:
14b766ff8ed78fac7bc4e6fd1c5034f566efcb8c
Detections:
dcrat_user_ping_counter
Create hunting rule
Link:
https://www.unpac.me/results/d17aa5ec-d8a2-4b59-98ce-9e047de487bb/
SH256 hash:
71ee7a836339a5ba2cc6faf4aa9aaa81eed6886835c0edc27f62937e0f8e50af
MD5 hash:
3eebb92c199c010ac4994051c332ac8a
SHA1 hash:
09f228e35c52027a1eaf694274247796147d7f25
Link:
https://www.unpac.me/results/d17aa5ec-d8a2-4b59-98ce-9e047de487bb/
SH256 hash:
15d2d7470da66ec434a6da91d444dbc3fc6ebc54b8b4a9d225685b04c7bc4fde
MD5 hash:
96eb0486f024f992bc3e81641d96d3d0
SHA1 hash:
466d4db6c6fbbb5d58b2e089b15b6e39c0363f8e
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/d17aa5ec-d8a2-4b59-98ce-9e047de487bb/
Parent samples :
fab97138b63949bba074d0510d3707f2ccf96632688086a36d1976dadb973fd1
15d2d7470da66ec434a6da91d444dbc3fc6ebc54b8b4a9d225685b04c7bc4fde
SH256 hash:
fab97138b63949bba074d0510d3707f2ccf96632688086a36d1976dadb973fd1
MD5 hash:
51ffa30e0bb9d0cfbfaf1196013fa002
SHA1 hash:
4345b5fb8073eba34c3c3b7c99cd953f334a8b8e
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/d17aa5ec-d8a2-4b59-98ce-9e047de487bb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fab97138b63949bba074d0510d3707f2ccf96632688086a36d1976dadb973fd1

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:DotNet_Reactor
Create hunting rule
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
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

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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