MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d81e8904bd7fe99cb71dca45476edd03b67f687c057c338fc8177784f151b34b. 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: 14

Intelligence 14 IOCs YARA 15 File information Comments

SHA256 hash:	d81e8904bd7fe99cb71dca45476edd03b67f687c057c338fc8177784f151b34b
SHA3-384 hash:	1b8ce307a4f70e1892ec43ff501a55835f021bad914acd20e8cc2591b784dfee37e9906003161a257381031f7c3f93fc
SHA1 hash:	2bfd00a3b870c5586c0e4013e38e10bd0e38380e
MD5 hash:	df7ffcfe26edcc3903178cdac8057dff
humanhash:	yankee-spring-blue-lactose
File name:	1744952705432a34cd002a31b04e333172dc6923edb797be49bd0d9ca0d64fff0279e46f32383.dat-decoded
Download:	download sample
Signature	XWorm Create hunting rule
File size:	1'631'744 bytes
First seen:	2025-04-18 05:05:08 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	38ee7a3330d2a1e6b78f67dcf8ce65db (2 x RemcosRAT, 1 x XWorm)
ssdeep	24576:jbg7CHw+F/9tD6GX4IaC6ORg9TgmVCy+70DJHLAfTM++5NTC:j2iuSsTgmVCy601Hu+5
Threatray	50 similar samples on MalwareBazaar
TLSH	T15375AE22A1D1543ED03259F8CC6AAE95F419BCE0DA2C55813BF84E4D0AEA74C75393BF
TrID	95.7% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58) 1.5% (.EXE) Win64 Executable (generic) (10522/11/4) 0.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 0.6% (.EXE) Win32 Executable (generic) (4504/4/1) 0.2% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika	pebin
dhash icon	e470f02460e9b131 (2 x RemcosRAT, 1 x DBatLoader, 1 x RedLineStealer)
Reporter	abuse_ch
Tags:	base64-decoded exe xworm

abuse_ch

Malware dropped as base64 encoded payload

Intelligence

File Origin

# of uploads :

# of downloads :

588

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

1744952705432a34cd002a31b04e333172dc6923edb797be49bd0d9ca0d64fff0279e46f32383.dat-decoded

Verdict:

Malicious activity

Analysis date:

2025-04-18 05:06:10 UTC

Tags:

delphi dbatloader loader crypto-regex netreactor xworm

Link:

https://app.any.run/tasks/189550df-6ee1-43b4-9c7e-635de82b724a

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/2784/

Detection(s):

Win.Trojan.Modiloader-10042434-0

Verdict:

Malicious

Score:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6801e24b2203b3e10cd0c637

Tags:

autorun delphi emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Creating a window

Creating a file

Running batch commands

Creating a process with a hidden window

Launching a process

Creating a process from a recently created file

Setting a keyboard event handler

Unauthorized injection to a recently created process

Unauthorized injection to a recently created process by context flags manipulation

Query of malicious DNS domain

Enabling autorun by creating a file

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/d81e8904bd7fe99cb71dca45476edd03b67f687c057c338fc8177784f151b34b

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/5dafd158-6bcb-4092-b915-528d325c6d8c

Result

Threat name:

DBatLoader, PureLog Stealer, XWorm

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1668145

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains potential unpacker

Allocates many large memory junks

Allocates memory in foreign processes

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Contains functionality to log keystrokes (.Net Source)

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Drops or copies cmd.exe with a different name (likely to bypass HIPS)

Drops PE files to the user root directory

Drops PE files with a suspicious file extension

Found malware configuration

Installs a global keyboard hook

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Sample uses process hollowing technique

Sample uses string decryption to hide its real strings

Sigma detected: DLL Search Order Hijackig Via Additional Space in Path

Sigma detected: Execution from Suspicious Folder

Uses dynamic DNS services

Uses ping.exe to check the status of other devices and networks

Uses ping.exe to sleep

Uses schtasks.exe or at.exe to add and modify task schedules

Writes to foreign memory regions

Yara detected DBatLoader

Yara detected PureLog Stealer

Yara detected XWorm

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/d81e8904bd7fe99cb71dca45476edd03b67f687c057c338fc8177784f151b34b

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/d81e8904bd7fe99cb71dca45476edd03b67f687c057c338fc8177784f151b34b/

Threat name:

Win32.Trojan.ModiLoader

Status:

Malicious

First seen:

2025-04-18 05:03:46 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

29 of 38 (76.32%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=3apisbf5p7uzzny5zjcuo3w5ao3h62d4av6dhd6ic53yj4krwnfq._file

Result

Malware family:

xworm

Score:

10/10

Tags:

family:modiloader family:xworm discovery rat trojan

Link:

https://tria.ge/reports/250418-fq4rqatvf1/

Behaviour

Runs ping.exe

Scheduled Task/Job: Scheduled Task

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Program crash

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Suspicious use of SetThreadContext

Checks computer location settings

Executes dropped EXE

ModiLoader Second Stage

Detect Xworm Payload

ModiLoader, DBatLoader

Modiloader family

Xworm

Xworm family

Malware Config

C2 Extraction:

xwormdnslogs.ddns.net:3360
xwormnewlog.duckdns.org:3360
xwormnotcreated.duckdns.org:3360
xwormuncreated.duckdns.org:3360

Verdict:

Malicious

Tags:

Win.Trojan.Modiloader-10042434-0

YARA:

n/a

Link:

https://app.threat.zone/submission/548e8dac-f67a-4ade-bb43-485669cafc87

Unpacked files

SH256 hash:

d81e8904bd7fe99cb71dca45476edd03b67f687c057c338fc8177784f151b34b

MD5 hash:

df7ffcfe26edcc3903178cdac8057dff

SHA1 hash:

2bfd00a3b870c5586c0e4013e38e10bd0e38380e

Link:

https://www.unpac.me/results/aed138f9-072f-4eb8-b338-fd18738349e7/

Malware family:

RedNet

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/d81e8904bd7f/report/overview.html

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/d81e8904bd7fe99cb71dca45476edd03b67f687c057c338fc8177784f151b34b

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:	BobSoftMiniDelphiBoBBobSoft Create hunting rule
Author:	malware-lu

Rule name:	Borland Create hunting rule
Author:	malware-lu

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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:	pe_detect_tls_callbacks Create hunting rule

Rule name:	shellcode Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

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)

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	Typical_Malware_String_Transforms Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects typical strings in a reversed or otherwise modified form
Reference:	Internal Research

Rule name:	Typical_Malware_String_Transforms_RID3473 Create hunting rule
Author:	Florian Roth
Description:	Detects typical strings in a reversed or otherwise modified form
Reference:	Internal Research

Rule name:	Windows_Generic_Threat_d7b57912 Create hunting rule
Author:	Elastic Security

File information

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

432a34cd002a31b04e333172dc6923edb797be49bd0d9ca0d64fff0279e46f32

XWorm

exe d81e8904bd7fe99cb71dca45476edd03b67f687c057c338fc8177784f151b34b

(this sample)

Dropped by

SHA256 432a34cd002a31b04e333172dc6923edb797be49bd0d9ca0d64fff0279e46f32

Dropped by

MD5 66159ba1f7a9954ee2e3f19c46c82520

Cape

https://www.capesandbox.com/analysis/2784/

URLhaus

https://urlhaus.abuse.ch/url/3516520/

Delivery method

Distributed via web download

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
COM_BASE_API	Can Download & Execute components	ole32.dll::CoCreateInstance
WIN32_PROCESS_API	Can Create Process and Threads	kernel32.dll::CloseHandle kernel32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	kernel32.dll::LoadLibraryExA kernel32.dll::LoadLibraryA kernel32.dll::GetStartupInfoA kernel32.dll::GetDiskFreeSpaceA kernel32.dll::GetCommandLineA
WIN_BASE_IO_API	Can Create Files	kernel32.dll::CreateFileA kernel32.dll::GetFileAttributesA kernel32.dll::FindFirstFileA version.dll::GetFileVersionInfoSizeA version.dll::GetFileVersionInfoA
WIN_REG_API	Can Manipulate Windows Registry	advapi32.dll::RegOpenKeyExA advapi32.dll::RegQueryValueExA
WIN_USER_API	Performs GUI Actions	user32.dll::ActivateKeyboardLayout user32.dll::CreateMenu user32.dll::FindWindowA user32.dll::PeekMessageA user32.dll::PeekMessageW user32.dll::CreateWindowExA

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