MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5bb65b35daf83870a25646b84be125f497c655138b58f4ae4cbd249f2997aa0. 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


XWorm


Vendor detections: 18


Intelligence 18 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d5bb65b35daf83870a25646b84be125f497c655138b58f4ae4cbd249f2997aa0
SHA3-384 hash: dc0ec6ea0efa9775b8c06123aca0cc96407eac61c930e3ff66ff783e57e038b6d29d502f12022d78e33975f61ae84e2a
SHA1 hash: e2dd36fd738326611cc8d80462451beb842b2d93
MD5 hash: e501c275814bfcb58fe845c38227d5c5
humanhash: foxtrot-grey-floor-angel
File name:F.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:913'408 bytes
First seen:2024-07-02 04:50:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9f4693fc0c511135129493f2161d1e86 (250 x Neshta, 15 x Formbook, 14 x AgentTesla)
ssdeep 12288:WpJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9djS0TMS9:OJ39LyjbJkQFMhmC+6GD9d7n9
TLSH T173157D22F2D18437D1361B3D9C6B93A5583ABE512E38754F3BE83E4D5F3A68128252D3
TrID 44.2% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
30.0% (.EXE) Win32 Executable Borland Delphi 5 (451463/56/28)
17.4% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
3.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
0.9% (.EXE) Win32 Executable Delphi generic (14182/79/4)
dhash icon 31f0f0ccccc0e071 (1 x XWorm)
Reporter lontze7
Tags:exe Neshta xred xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
156
Origin country :
GR GR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d5bb65b35daf83870a25646b84be125f497c655138b58f4ae4cbd249f2997aa0.exe
Verdict:
Malicious activity
Analysis date:
2024-07-02 06:22:20 UTC
Tags:
evasion xworm amsi-bypass
Link:
https://app.any.run/tasks/c087ad3b-42b6-4423-8a90-013e902b5812

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
PUA.Win.Packer.D1s1g-5
Create hunting rule

PUA.Win.Packer.D1s1g-2
Create hunting rule

PUA.Win.Packer.D1s1g-1
Create hunting rule

Win.Trojan.Emotet-9850453-0
Create hunting rule

Win.Trojan.Generic-9936029-0
Create hunting rule

Win.Packed.njRAT-10002074-1
Create hunting rule

Win.Packed.Msilzilla-10019837-0
Create hunting rule

Win.Packed.Loveletter-10023052-0
Create hunting rule

Win.Dropper.Nanocore-10024427-0
Create hunting rule

Win.Packed.Msilzilla-10024501-0
Create hunting rule

Win.Packed.Loveletter-10024677-0
Create hunting rule

Win.Packed.Msilzilla-10024808-0
Create hunting rule

Win.Packed.Msilzilla-10026193-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL
Create hunting rule

Win.Malware.Delf-6899401-0
Create hunting rule

Win.Trojan.Neshta-157
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6683874c251d4687fe42d425win10vpnfull_triage
Tags:
Encryption Execution Generic Infostealer Network Other Spreading Static Stealth Trojan Neshta Neshta
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file in the Windows directory
Modifying an executable file
Creating a window
Searching for synchronization primitives
Creating a file
Enabling the 'hidden' option for recently created files
Moving a recently created file
DNS request
Connection attempt
Sending an HTTP GET request
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a process with a hidden window
Creating a file in the Program Files subdirectories
Enabling autorun with the shell\open\command registry branches
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Infecting executable files
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat backdoor borland_delphi cmd emotet fingerprint fingerprint hacktool lolbin neshta njrat overlay packed rat remote shell32 virus
Link:
https://www.filescan.io/uploads/668387366be3b3c7c234fcc9/reports/db80299f-d229-4462-9375-929f14dbefeb/overview
Verdict:
Malicious
Labled as:
Virus.Neshta
Link:
https://www.hybrid-analysis.com/sample/d5bb65b35daf83870a25646b84be125f497c655138b58f4ae4cbd249f2997aa0
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/c7fc5534-e1db-44ee-b1fe-f854b21bf308
Result
Threat name:
AsyncRAT, Neshta, XWorm
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1465838
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Creates an undocumented autostart registry key
Drops executable to a common third party application directory
Drops executables to the windows directory (C:\Windows) and starts them
Drops or copies MsMpEng.exe (Windows Defender, likely to bypass HIPS)
Drops PE files to the document folder of the user
Drops PE files with a suspicious file extension
Found malware configuration
Infects executable files (exe, dll, sys, html)
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample is not signed and drops a device driver
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected Neshta
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1465838 Sample: F.exe Startdate: 02/07/2024 Architecture: WINDOWS Score: 100 91 freedns.afraid.org 2->91 93 xred.mooo.com 2->93 95 5 other IPs or domains 2->95 117 Snort IDS alert for network traffic 2->117 119 Multi AV Scanner detection for domain / URL 2->119 121 Found malware configuration 2->121 125 22 other signatures 2->125 11 F.exe 5 2->11         started        15 EXCEL.EXE 2->15         started        18 svchost.com 2->18         started        signatures3 123 Uses dynamic DNS services 91->123 process4 dnsIp5 83 C:\Windows\svchost.com, PE32 11->83 dropped 85 C:\Users\user\AppData\Local\Temp\chrome.exe, PE32 11->85 dropped 87 C:\Users\user\AppData\Local\Temp\...\F.exe, PE32 11->87 dropped 89 113 other malicious files 11->89 dropped 137 Creates an undocumented autostart registry key 11->137 139 Drops PE files with a suspicious file extension 11->139 141 Drops or copies MsMpEng.exe (Windows Defender, likely to bypass HIPS) 11->141 143 2 other signatures 11->143 20 F.exe 1 5 11->20         started        107 s-part-0032.t-0009.t-msedge.net 13.107.246.60, 443, 49850, 49851 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 15->107 23 Synaptics.exe 18->23         started        file6 signatures7 process8 file9 69 C:\Users\user\Desktop\._cache_F.exe, PE32 20->69 dropped 71 C:\ProgramData\Synaptics\Synaptics.exe, PE32 20->71 dropped 73 C:\ProgramData\Synaptics\RCXAC4B.tmp, PE32 20->73 dropped 25 ._cache_F.exe 20 6 20->25         started        30 Synaptics.exe 65 20->30         started        process10 dnsIp11 97 ip-api.com 208.95.112.1, 49709, 80 TUT-ASUS United States 25->97 99 45.141.26.232, 49849, 49854, 49855 SPECTRAIPSpectraIPBVNL Netherlands 25->99 75 C:\ProgramData\XClient.exe, PE32 25->75 dropped 127 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 25->127 129 Protects its processes via BreakOnTermination flag 25->129 131 Drops executables to the windows directory (C:\Windows) and starts them 25->131 135 3 other signatures 25->135 32 svchost.com 25->32         started        36 svchost.com 25->36         started        38 svchost.com 25->38         started        40 svchost.com 25->40         started        101 freedns.afraid.org 69.42.215.252, 49714, 80 AWKNET-LLCUS United States 30->101 103 drive.usercontent.google.com 142.250.184.225, 443, 49717, 49718 GOOGLEUS United States 30->103 105 docs.google.com 216.58.206.78, 443, 49711, 49712 GOOGLEUS United States 30->105 77 C:\Users\user\Documents\BJZFPPWAPT\~$cache1, PE32 30->77 dropped 79 C:\Users\user\AppData\Local\...\cyXtjfIL.exe, PE32 30->79 dropped 81 C:\Users\user\AppData\Local\...\RCXAE3F.tmp, PE32 30->81 dropped 133 Drops PE files to the document folder of the user 30->133 42 WerFault.exe 30->42         started        file12 signatures13 process14 file15 61 C:\...\maintenanceservice.exe, PE32 32->61 dropped 63 C:\Program Files (x86)\...\misc.exe, PE32 32->63 dropped 65 C:\Program Files (x86)\...\misc.exe, PE32 32->65 dropped 67 35 other malicious files 32->67 dropped 109 Bypasses PowerShell execution policy 32->109 111 Adds a directory exclusion to Windows Defender 32->111 113 Sample is not signed and drops a device driver 32->113 115 Infects executable files (exe, dll, sys, html) 32->115 44 powershell.exe 32->44         started        47 powershell.exe 36->47         started        49 powershell.exe 38->49         started        51 powershell.exe 40->51         started        signatures16 process17 signatures18 145 Loading BitLocker PowerShell Module 44->145 53 conhost.exe 44->53         started        55 conhost.exe 47->55         started        57 conhost.exe 49->57         started        59 conhost.exe 51->59         started        process19
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d5bb65b35daf83870a25646b84be125f497c655138b58f4ae4cbd249f2997aa0
Detection:
xworm
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d5bb65b35daf83870a25646b84be125f497c655138b58f4ae4cbd249f2997aa0/
Threat name:
Win32.Virus.Neshuta
Create hunting rule
Status:
Malicious
First seen:
2024-06-25 10:59:37 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2w5wlm25v6byocrfmrvyjpqsl5exyzkrhc2y6sxezpjet4uzpkqa._file
Verdict:
malicious
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:neshta family:xworm execution persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/240702-fgtkdswgpa/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Modifies system executable filetype association
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Neshta
Xworm
Malware Config
C2 Extraction:
45.141.26.232:6666
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/259f0c74-3411-4f5b-bb0b-70dd8b880f13
Unpacked files
SH256 hash:
9a64b5728eef4de86778fbca03c84a64923ec9b901ca8b16277fc691f3567666
MD5 hash:
76fcf5160f19a49da44978548cf3fa1e
SHA1 hash:
aa2c21f652e98b834fe6e2d43657df89379b0b4d
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/fcccfda5-fcbe-4232-9717-2d66d1299ef9/
SH256 hash:
b9eae90f8e942cc4586d31dc484f29079651ad64c49f90d99f86932630c66af2
MD5 hash:
c0ef4d6237d106bf51c8884d57953f92
SHA1 hash:
f1da7ecbbee32878c19e53c7528c8a7a775418eb
Link:
https://www.unpac.me/results/fcccfda5-fcbe-4232-9717-2d66d1299ef9/
SH256 hash:
9b4c2268038d9ba16d799535c04c219ab052e2cd8453304f2abe7acd15c972f8
MD5 hash:
dae769bdb0e2870455e068c0d0b59f6a
SHA1 hash:
599f33f8dda77ae818777726bcf0c664a04f306d
Detections:
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
mal_xred_backdoor
Create hunting rule
Link:
https://www.unpac.me/results/fcccfda5-fcbe-4232-9717-2d66d1299ef9/
SH256 hash:
d5bb65b35daf83870a25646b84be125f497c655138b58f4ae4cbd249f2997aa0
MD5 hash:
e501c275814bfcb58fe845c38227d5c5
SHA1 hash:
e2dd36fd738326611cc8d80462451beb842b2d93
Detections:
MAL_Malware_Imphash_Mar23_1
Create hunting rule
MAL_Neshta_Generic
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
mal_xred_backdoor
Create hunting rule
Link:
https://www.unpac.me/results/fcccfda5-fcbe-4232-9717-2d66d1299ef9/
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/d5bb65b35daf83870a25646b84be125f497c655138b58f4ae4cbd249f2997aa0

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:Borland
Create hunting rule
Author:malware-lu
Rule name:ByteCode_MSIL_Backdoor_AsyncRAT
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:D1S1Gv11betaD1N
Create hunting rule
Author:malware-lu
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:MAL_Malware_Imphash_Mar23_1
Create hunting rule
Author:Arnim Rupp
Description:Detects malware by known bad imphash or rich_pe_header_hash
Reference:https://yaraify.abuse.ch/statistics/
Rule name:MAL_Neshta_Generic
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Neshta malware
Reference:Internal Research
Rule name:MAL_Neshta_Generic_RID2DC9
Create hunting rule
Author:Florian Roth
Description:Detects Neshta malware
Reference:Internal Research
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:vbaproject_bin
Create hunting rule
Author:CD_R0M_
Description:{76 62 61 50 72 6f 6a 65 63 74 2e 62 69 6e} is hex for vbaproject.bin. Macros are often used by threat actors. Work in progress - Ran out of time
Rule name:yara_template
Create hunting rule

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

XWorm

Executable exe d5bb65b35daf83870a25646b84be125f497c655138b58f4ae4cbd249f2997aa0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2917694/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2918461/

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
MULTIMEDIA_APICan Play Multimediagdi32.dll::StretchDIBits
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteA
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIkernel32.dll::GetDriveTypeA
kernel32.dll::GetStartupInfoA
kernel32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WinExec
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryA
kernel32.dll::CreateFileA
kernel32.dll::DeleteFileA
kernel32.dll::GetWindowsDirectoryA
kernel32.dll::GetFileAttributesA
kernel32.dll::FindFirstFileA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
advapi32.dll::RegSetValueExA

Comments