MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdef3bd7f14535f73bfcbe2741792c3c2c9cd10af69be1bd1bc1c41d5daeb71c. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fdef3bd7f14535f73bfcbe2741792c3c2c9cd10af69be1bd1bc1c41d5daeb71c
SHA3-384 hash: f1912588ef6a335358da0f486c817b9707b5160419cc63a11a5ee3b48ab464939c1930566e9ce4eb5f1400a757036755
SHA1 hash: db17fd6f2e44cebb01a93265779e623ec75dbffb
MD5 hash: 4e24fdbec5a768f78ad89177e71c4846
humanhash: mexico-lamp-harry-hawaii
File name:4e24fdbec5a768f78ad89177e71c4846.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:3'878'912 bytes
First seen:2024-06-11 15:30:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d59a4a699610169663a929d37c90be43 (75 x DCRat, 22 x njrat, 15 x SalatStealer)
ssdeep 49152:bGEuq6liv5bT20EgaBojf0nMyPbCqbfgIpoXW85SAmCgVibEuYUZzMA/y8N7RDn6:aFqpbSdgaqADhpoXB5lbkHoNM9ZFv/
TLSH T1CD06230AF79505F9E567C77889424941E6B63C060760AAEF13F6097A6F233A0DE3F361
TrID 65.0% (.EXE) InstallShield setup (43053/19/16)
15.8% (.EXE) Win64 Executable (generic) (10523/12/4)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
3.1% (.EXE) Win16/32 Executable Delphi generic (2072/23)
3.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 200cb9b1f0681660 (1 x DCRat)
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 :
379
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
fdef3bd7f14535f73bfcbe2741792c3c2c9cd10af69be1bd1bc1c41d5daeb71c.exe
Verdict:
Malicious activity
Analysis date:
2024-06-11 15:33:02 UTC
Tags:
xworm rat dcrat remote darkcrystal
Link:
https://app.any.run/tasks/439922d4-4100-426c-b1d7-390ade11451f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.Trojan.Injector-6297685-1
Create hunting rule

Win.Trojan.Agent-345883
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66686e75a439c6d6b0877abfwin7simulatehigh_evasion
Tags:
Banker Encryption Execution Generic Network Other Static Stealth Variant Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a window
Searching for the window
Searching for synchronization primitives
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the %AppData% directory
Running batch commands
Creating a process with a hidden window
DNS request
Connection attempt
Using the Windows Management Instrumentation requests
Launching a process
Unauthorized injection to a recently created process
Blocking the User Account Control
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Enabling autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi borland_delphi fingerprint lolbin nanocore packed setupapi shdocvw shell32
Link:
https://www.filescan.io/uploads/66686db8ee1e16e3eb154402/reports/5ec3f031-e567-4a9e-bbcb-83a339742aa8/overview
Verdict:
Malicious
Labled as:
TrojanDropper.Delf
Link:
https://www.hybrid-analysis.com/sample/fdef3bd7f14535f73bfcbe2741792c3c2c9cd10af69be1bd1bc1c41d5daeb71c
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:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/28a29bbb-ff54-4f6a-b0d4-a6216edb7fca
Result
Threat name:
DCRat, XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1455281
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 / Scanner detection for submitted 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)
Drops executable to a common third party application directory
Drops PE files to the user root directory
Drops PE files with benign system names
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
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: New RUN Key Pointing to Suspicious Folder
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1455281 Sample: 2RfhxxWcuH.exe Startdate: 11/06/2024 Architecture: WINDOWS Score: 100 78 letter-takes.gl.at.ply.gg 2->78 90 Snort IDS alert for network traffic 2->90 92 Found malware configuration 2->92 94 Malicious sample detected (through community Yara rule) 2->94 96 19 other signatures 2->96 12 2RfhxxWcuH.exe 2 2->12         started        16 FYseoTJZvWjZpvMoqsBU.exe 2->16         started        18 audiodg.exe 2->18         started        20 2 other processes 2->20 signatures3 process4 file5 76 C:\Users\user\AppData\Local\Temp\Result.exe, PE32+ 12->76 dropped 118 Uses schtasks.exe or at.exe to add and modify task schedules 12->118 120 Creates processes via WMI 12->120 22 Result.exe 10 12->22         started        26 schtasks.exe 12->26         started        28 schtasks.exe 12->28         started        30 24 other processes 12->30 122 Multi AV Scanner detection for dropped file 16->122 signatures6 process7 file8 74 C:\Users\user\AppData\Local\...\Result.exe, PE32 22->74 dropped 114 Multi AV Scanner detection for dropped file 22->114 32 Result.exe 3 22->32         started        signatures9 process10 file11 56 C:\Users\user\AppData\Local\...\XClient.exe, PE32 32->56 dropped 58 C:\Users\user\AppData\...\DCRatBuild.exe, PE32 32->58 dropped 84 Antivirus detection for dropped file 32->84 86 Multi AV Scanner detection for dropped file 32->86 88 Machine Learning detection for dropped file 32->88 36 DCRatBuild.exe 3 11 32->36         started        40 XClient.exe 5 32->40         started        signatures12 process13 dnsIp14 68 C:\Users\user\AppData\...\ServerWeb.exe, PE32 36->68 dropped 70 C:\Users\user\AppData\...\UGsUclNNu9UBh.vbe, data 36->70 dropped 106 Antivirus detection for dropped file 36->106 108 Multi AV Scanner detection for dropped file 36->108 110 Machine Learning detection for dropped file 36->110 43 wscript.exe 1 36->43         started        46 wscript.exe 36->46         started        80 letter-takes.gl.at.ply.gg 147.185.221.19, 49705, 49710, 49719 SALSGIVERUS United States 40->80 82 127.0.0.1 unknown unknown 40->82 72 C:\Users\user\AppData\Roaming\XClient.exe, PE32 40->72 dropped 112 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 40->112 file15 signatures16 process17 signatures18 116 Windows Scripting host queries suspicious COM object (likely to drop second stage) 43->116 48 cmd.exe 43->48         started        process19 process20 50 ServerWeb.exe 48->50         started        54 conhost.exe 48->54         started        file21 60 C:\Windows\Temp\FYseoTJZvWjZpvMoqsBU.exe, PE32 50->60 dropped 62 C:\Windows\Registration\CRMLog\csrss.exe, PE32 50->62 dropped 64 C:\Windows\...\FYseoTJZvWjZpvMoqsBU.exe, PE32 50->64 dropped 66 11 other malicious files 50->66 dropped 98 Antivirus detection for dropped file 50->98 100 Multi AV Scanner detection for dropped file 50->100 102 Creates an undocumented autostart registry key 50->102 104 9 other signatures 50->104 signatures22
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fdef3bd7f14535f73bfcbe2741792c3c2c9cd10af69be1bd1bc1c41d5daeb71c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fdef3bd7f14535f73bfcbe2741792c3c2c9cd10af69be1bd1bc1c41d5daeb71c/
Threat name:
Win32.Trojan.DisguisedXMRigMiner
Create hunting rule
Status:
Malicious
First seen:
2024-06-06 11:42:07 UTC
File Type:
PE (Exe)
Extracted files:
46
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7xxtxv7riu27oo74xytuc6jmhqwjzuik62n6dpi3yhcb2xnow4oa._file
Verdict:
malicious
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:dcrat family:xworm evasion infostealer persistence rat trojan
Link:
https://tria.ge/reports/240611-sx2bdssdkl/
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
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
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/30f7a2cf-2025-44a0-879c-fa975a6898a8
Unpacked files
SH256 hash:
eb6807bb8e8a8c33e96a32e4086774747b3a296998440d7921afa4b59d7c0811
MD5 hash:
f0377b60ea28f2e8f7b0c48c3cd2b675
SHA1 hash:
89ec54e53f2af06a0d3e25aae524282baa495df2
Detections:
win_xorist_auto
Create hunting rule
Link:
https://www.unpac.me/results/bb10a806-7bbe-4d64-8a6a-e78211bd5afa/
Parent samples :
fdef3bd7f14535f73bfcbe2741792c3c2c9cd10af69be1bd1bc1c41d5daeb71c
4b7b7e697954f5882dd6d3e8ee6197bab6c445dbd3a5af1118caa0e1ad908a9a
SH256 hash:
fc2e18e07bec14fc4c43859feb27332129a20aea52abdd41cd1a28c6ffd99057
MD5 hash:
30bb32f9d2b50d06224f7acc9d437aac
SHA1 hash:
4e03b6ce90d987a355cfa74d058fc9f0ad024666
Link:
https://www.unpac.me/results/bb10a806-7bbe-4d64-8a6a-e78211bd5afa/
SH256 hash:
0c2c8f5d98e7c90cc061bd3c88614ce9dc817c1406c55921a1b507d8e0b4caff
MD5 hash:
386803113da04c7643cf318da2e4c259
SHA1 hash:
78ac53aeddb649ad4039f17485c825e319c14f90
Detections:
XWorm
Create hunting rule
MALWARE_Win_XWorm
Create hunting rule
win_mal_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/bb10a806-7bbe-4d64-8a6a-e78211bd5afa/
Parent samples :
fdef3bd7f14535f73bfcbe2741792c3c2c9cd10af69be1bd1bc1c41d5daeb71c
4b7b7e697954f5882dd6d3e8ee6197bab6c445dbd3a5af1118caa0e1ad908a9a
SH256 hash:
d4482ca83d2a2dbd011c63739477e90893728af1a0b4e5fbc6413009573f7702
MD5 hash:
1be2b217087429a8397f448c9c7b8f8d
SHA1 hash:
4507e83e00cc18d738452d9217f4dfa19ca9d2de
Detections:
XWorm
Create hunting rule
MALWARE_Win_XWorm
Create hunting rule
win_mal_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/bb10a806-7bbe-4d64-8a6a-e78211bd5afa/
Parent samples :
fdef3bd7f14535f73bfcbe2741792c3c2c9cd10af69be1bd1bc1c41d5daeb71c
4b7b7e697954f5882dd6d3e8ee6197bab6c445dbd3a5af1118caa0e1ad908a9a
SH256 hash:
b59342163ea5752e627b1eb236f42a9882f15fdff96ca77eba7b20e416f4a4f3
MD5 hash:
7ec6bc11e4b2e409845e3160ec47f5d7
SHA1 hash:
c1a1a62f844556fd150c7515e124e98bf6d79a02
Link:
https://www.unpac.me/results/bb10a806-7bbe-4d64-8a6a-e78211bd5afa/
SH256 hash:
fdef3bd7f14535f73bfcbe2741792c3c2c9cd10af69be1bd1bc1c41d5daeb71c
MD5 hash:
4e24fdbec5a768f78ad89177e71c4846
SHA1 hash:
db17fd6f2e44cebb01a93265779e623ec75dbffb
Link:
https://www.unpac.me/results/bb10a806-7bbe-4d64-8a6a-e78211bd5afa/
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/fdef3bd7f14535f73bfcbe2741792c3c2c9cd10af69be1bd1bc1c41d5daeb71c

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:BAZT_B5_NOCEXInvalidStream
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:pe_imphash
Create hunting rule
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:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteA
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::GetWindowsDirectoryA
kernel32.dll::GetSystemDirectoryA
kernel32.dll::GetTempPathA

Comments