MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e71fc1170426b7f5407b292a1b880a1bf5475b7990af6ddf4b82312fc2da6611. 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 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e71fc1170426b7f5407b292a1b880a1bf5475b7990af6ddf4b82312fc2da6611
SHA3-384 hash: 8e4ce82ae02ad1690bf65f0cc4dc59e4da67fc554bac6a80ea72314bdfdc80c3f358131f68bff9b246250210a20d1424
SHA1 hash: 1de6c68b5da51cc8b681fbfcb5f2e6e7238dd496
MD5 hash: 3a59355cf62dd850d29cf00ba7ff478b
humanhash: foxtrot-robert-butter-red
File name:start.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:2'667'602 bytes
First seen:2025-04-24 22:37:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7e0a0e8f80bbd1a9c0078e57256f1c3d (5 x GCleaner, 4 x LummaStealer, 3 x CoinMiner)
ssdeep 49152:pgqKIXzyMq7WZdCeFt9PYANWibArFrdnmJxQcJ7XJ9GHv6oGCbYKox+wP:pzFq4sgVN9bARxnmzZJ75sP6HCbYKoxV
TLSH T126C51289E3E44CFCF0A7B174A8528806F7BA784D03E1965F039C65562F272A16DFEB11
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
dhash icon 0955c64a96985100 (3 x DCRat, 1 x AsyncRAT, 1 x Petya)
Reporter thedudefello
Tags:DCRat exe trojan

Intelligence

File Origin
# of uploads :
1
# of downloads :
550
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
start.exe
Verdict:
Malicious activity
Analysis date:
2025-04-24 22:35:53 UTC
Tags:
rat dcrat remote darkcrystal
Link:
https://app.any.run/tasks/a8cf764b-bfa8-47b5-b59a-254cbc2d8ee6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/3938/
Detection(s):
Win.Dropper.Nanocore-9986456-0
Create hunting rule

Win.Malware.Bladabindi-10008357-0
Create hunting rule

Win.Packed.Bladabindi-10017056-0
Create hunting rule

Win.Malware.Zenpak-10017873-0
Create hunting rule

Win.Malware.Zusy-10017928-0
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=680abf19a37ff28e12996461
Tags:
dropper shell sage
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% directory
Running batch commands
Creating a process from a recently created file
Launching a process
Launching cmd.exe command interpreter
Creating a file
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Forced system process termination
Loading a suspicious library
Creating a file in the Program Files subdirectories
Unauthorized injection to a recently created process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm cmd evasive findstr fingerprint installer lolbin microsoft_visual_cc net overlay overlay packed packer_detected sfx
Link:
https://www.filescan.io/uploads/680abd21218c4a98ade0da63/reports/8d077853-8a8e-4101-b107-d0523df21709/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/e71fc1170426b7f5407b292a1b880a1bf5475b7990af6ddf4b82312fc2da6611
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1dcf84f2-7b11-4cb8-9b93-b2facf60f8c1
Result
Threat name:
DCRat, PureLog Stealer, zgRAT
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1673679
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Disables the Smart Screen filter
Drops PE files with benign system names
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
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
Sigma detected: Rundll32 Execution Without Parameters
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Uses cmd line tools excessively to alter registry or file data
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)
Wscript starts Powershell (via cmd or directly)
Yara detected DCRat
Yara detected Powershell download and execute
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1673679 Sample: start.exe Startdate: 25/04/2025 Architecture: WINDOWS Score: 100 88 Suricata IDS alerts for network traffic 2->88 90 Found malware configuration 2->90 92 Antivirus detection for dropped file 2->92 94 15 other signatures 2->94 11 start.exe 9 2->11         started        14 svchost.exe 2->14         started        process3 dnsIp4 80 C:\Users\user\AppData\Local\...\catlavan.exe, PE32 11->80 dropped 82 C:\Users\user\AppData\Local\...\catlavan.bat, ASCII 11->82 dropped 17 catlavan.exe 3 6 11->17         started        21 cmd.exe 13 11->21         started        86 127.0.0.1 unknown unknown 14->86 file5 process6 file7 60 C:\intoSessionSvc\containerServersvc.exe, MS-DOS 17->60 dropped 62 C:\intoSessionSvc\Zzu9QKoSu4w.bat, ASCII 17->62 dropped 96 Multi AV Scanner detection for dropped file 17->96 23 wscript.exe 1 17->23         started        98 Wscript starts Powershell (via cmd or directly) 21->98 100 Uses ping.exe to sleep 21->100 102 Uses cmd line tools excessively to alter registry or file data 21->102 104 3 other signatures 21->104 26 powershell.exe 23 21->26         started        28 powershell.exe 21->28         started        30 powershell.exe 21->30         started        32 27 other processes 21->32 signatures8 process9 signatures10 108 Wscript starts Powershell (via cmd or directly) 23->108 110 Windows Scripting host queries suspicious COM object (likely to drop second stage) 23->110 34 cmd.exe 23->34         started        112 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 26->112 114 Queries memory information (via WMI often done to detect virtual machines) 26->114 116 Loading BitLocker PowerShell Module 26->116 36 WmiPrvSE.exe 28->36         started        118 Disables the Smart Screen filter 32->118 38 net1.exe 32->38         started        process11 process12 40 containerServersvc.exe 34->40         started        44 conhost.exe 34->44         started        file13 72 C:\Windows\debugbehaviorgraphgAfxc9H9sqHqk198oXun.exe, MS-DOS 40->72 dropped 74 C:\Users\user\Desktop\zplBMZmx.log, PE32 40->74 dropped 76 C:\Users\user\Desktop\txIbkthJ.log, PE32 40->76 dropped 78 10 other malicious files 40->78 dropped 120 Multi AV Scanner detection for dropped file 40->120 122 Drops PE files with benign system names 40->122 46 cmd.exe 40->46         started        signatures14 process15 signatures16 124 Uses ping.exe to sleep 46->124 49 lsass.exe 46->49         started        54 conhost.exe 46->54         started        56 chcp.com 46->56         started        58 PING.EXE 46->58         started        process17 dnsIp18 84 81.94.155.48, 49722, 49723, 49724 WESTCALL-ASRU Russian Federation 49->84 64 C:\Users\user\Desktop\ticmJGZj.log, PE32 49->64 dropped 66 C:\Users\user\Desktop\mlomgreu.log, PE32 49->66 dropped 68 C:\Users\user\Desktop\jlavpILE.log, PE32 49->68 dropped 70 4 other malicious files 49->70 dropped 106 Tries to harvest and steal browser information (history, passwords, etc) 49->106 file19 signatures20
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e71fc1170426b7f5407b292a1b880a1bf5475b7990af6ddf4b82312fc2da6611
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e71fc1170426b7f5407b292a1b880a1bf5475b7990af6ddf4b82312fc2da6611/
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Create hunting rule
Status:
Malicious
First seen:
2025-04-24 22:37:22 UTC
File Type:
PE+ (Exe)
Extracted files:
45
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=44p4cfyee237kqd3fevbxcakdp2uow3zscxw3x2lqiys7qw2myiq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/250424-2j1blswway/
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
Checks computer location settings
Executes dropped EXE
Verdict:
Malicious
Tags:
Win.Dropper.Nanocore-9986456-0 dcrat
YARA:
n/a
Link:
https://app.threat.zone/submission/26f9fa27-6038-466e-8867-0e327a63683f
Unpacked files
SH256 hash:
e71fc1170426b7f5407b292a1b880a1bf5475b7990af6ddf4b82312fc2da6611
MD5 hash:
3a59355cf62dd850d29cf00ba7ff478b
SHA1 hash:
1de6c68b5da51cc8b681fbfcb5f2e6e7238dd496
Link:
https://www.unpac.me/results/ef5fbd05-28ce-48fe-b9e7-3c56413be44d/
SH256 hash:
641d3b5292b32444f764cbd3d410750f6358e3382e19d1b23f549995cd668c10
MD5 hash:
b941cec1a1c25b304d7e6efb8452264d
SHA1 hash:
9e25500517cd1bc10cfbe3fd76539b4f6ef0cb09
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/ef5fbd05-28ce-48fe-b9e7-3c56413be44d/
Parent samples :
e71fc1170426b7f5407b292a1b880a1bf5475b7990af6ddf4b82312fc2da6611
641d3b5292b32444f764cbd3d410750f6358e3382e19d1b23f549995cd668c10
SH256 hash:
9c0766859442861a34d4c24343e103773e3b34ca1b4eaf25ee8d2157d4f55f3d
MD5 hash:
20fe97d0b5f64d6136f14dfbd5a7ebbd
SHA1 hash:
b5af85245c49febb400e9c4d3ebc53f1a4e27dc7
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/ef5fbd05-28ce-48fe-b9e7-3c56413be44d/
Parent samples :
e71fc1170426b7f5407b292a1b880a1bf5475b7990af6ddf4b82312fc2da6611
9c0766859442861a34d4c24343e103773e3b34ca1b4eaf25ee8d2157d4f55f3d
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e71fc1170426/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/e71fc1170426b7f5407b292a1b880a1bf5475b7990af6ddf4b82312fc2da6611

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/3938/

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
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::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

Comments