MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f1764a28d27f381701d9254166241607a37a02eb2fe80d682baf15236da5b7e. 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: 12

Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash:	7f1764a28d27f381701d9254166241607a37a02eb2fe80d682baf15236da5b7e
SHA3-384 hash:	4f07321e8e338ac0abebdedafa099e5d44723b1be8879c66ee083a545229b18218523b7dfde01dafeca42fe8b3ab0ccd
SHA1 hash:	8f19c7dbdde308e463b0412d73ea7083b1bcc816
MD5 hash:	28badf3eb1aa6ce975fee86e6ec1dc14
humanhash:	lamp-zebra-tango-gee
File name:	UPS tracking details.exe
Download:	download sample
Signature	XWorm Create hunting rule
File size:	871'424 bytes
First seen:	2025-03-03 07:43:34 UTC
Last seen:	2025-03-03 12:03:13 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	12288:vWMnQ1Kfk7AEYQCJSsFlsIQfYl2N3qWkj9d/qArFK6eNXwC94EBTR+:uj7AEYQCQaKbA63+jPqAUNXjBBT0
Threatray	2'914 similar samples on MalwareBazaar
TLSH	T147058D6B6302CE19D7D52A753A67A1385331CD72E127BB4B261C217E1CE33791E863CA
TrID	44.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 34.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 6.3% (.EXE) Win64 Executable (generic) (10522/11/4) 3.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
Reporter	abuse_ch
Tags:	exe UPS xworm

Intelligence

File Origin

# of uploads :

# of downloads :

452

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

UPS tracking details.exe

Verdict:

Malicious activity

Analysis date:

2025-03-03 07:56:29 UTC

Tags:

opendir netreactor purecrypter remote xworm

Link:

https://app.any.run/tasks/e37763e0-d685-4496-ba24-9b720535e039

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Verdict:

Clean

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67c55eaec668b65489be9a87

Tags:

n/a

Result

Verdict:

Clean

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

DNS request

Connection attempt

Verdict:

Malicious

Labled as:

RiskWare[Obfuscator]/MSIL.Reactor

Link:

https://www.hybrid-analysis.com/sample/7f1764a28d27f381701d9254166241607a37a02eb2fe80d682baf15236da5b7e

Result

Verdict:

UNKNOWN

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/2ea128ad-24af-4bf5-95ee-b3d5235a8da0

Result

Threat name:

PureLog Stealer, XWorm

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1627808

Signature

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

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

C2 URLs / IPs found in malware configuration

Downloads files with wrong headers with respect to MIME Content-Type

Drops VBS files to the startup folder

Found malware configuration

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 string decryption to hide its real strings

Sigma detected: Drops script at startup location

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Yara detected AntiVM3

Yara detected Costura Assembly Loader

Yara detected PureLog Stealer

Yara detected XWorm

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/7f1764a28d27f381701d9254166241607a37a02eb2fe80d682baf15236da5b7e

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/7f1764a28d27f381701d9254166241607a37a02eb2fe80d682baf15236da5b7e/

Threat name:

Win32.Backdoor.Xworm

Status:

Malicious

First seen:

2025-03-03 05:25:13 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=p4lwjiune7zyc4a5sjkbmysbmb5dpibowl7ibvucxlyvenw2ln7a._file

Result

Malware family:

xworm

Score:

10/10

Tags:

family:xworm discovery rat trojan

Link:

https://tria.ge/reports/250303-jkxb8sslw7/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Checks computer location settings

Drops startup file

Executes dropped EXE

Detect Xworm Payload

Suspicious use of NtCreateUserProcessOtherParentProcess

Xworm

Xworm family

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/bd861491-df53-41f5-b1ac-1fadc359bc3c

Unpacked files

SH256 hash:

7f1764a28d27f381701d9254166241607a37a02eb2fe80d682baf15236da5b7e

MD5 hash:

28badf3eb1aa6ce975fee86e6ec1dc14

SHA1 hash:

8f19c7dbdde308e463b0412d73ea7083b1bcc816

Link:

https://www.unpac.me/results/5d36b2ea-3dd2-43b1-9101-5b96aeb8421d/

Malware family:

XWorm

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/7f1764a28d27/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/7f1764a28d27f381701d9254166241607a37a02eb2fe80d682baf15236da5b7e

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:	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:	Lumma_Stealer_Detection Create hunting rule
Author:	ashizZz
Description:	Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:	https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/

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:	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.

No further information available

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_DLL_CHARACTERISTICS	Missing dll Security Characteristics (GUARD_CF)	high

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