MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7761d76284feb79783d96c62b2088d14b39d9f5b485b429f2c0f69d081201629. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7761d76284feb79783d96c62b2088d14b39d9f5b485b429f2c0f69d081201629
SHA3-384 hash: acee006a16d0c547aaec7c330c4985790b66800119bb32c30fdf1a8e1c81ae68d6a9f71d7066fc986347dbf76bf5a603
SHA1 hash: 8602839b452d344aa3004c37fc1356d0aff131ff
MD5 hash: a71aaa9e10f9dc8701c208df3832a3b8
humanhash: wolfram-lemon-ceiling-alpha
File name:SecuriteInfo.com.Trojan.DownLoader46.62233.27769.15465
Download: download sample
Signature XWorm
Create hunting rule
File size:260'096 bytes
First seen:2024-06-12 14:25:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:HAlG9hpBZvPIqkwawp2H24qBszT98CUgR8/PTSk+c8:gChpBZvPItGK2L2hSDD
TLSH T17B446C412BE8C96BEEAE17B5E4B2060067B4F106D251E78B388C65ED5F6374069133BF
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter SecuriteInfoCom
Tags:exe xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
364
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7761d76284feb79783d96c62b2088d14b39d9f5b485b429f2c0f69d081201629.exe
Verdict:
Malicious activity
Analysis date:
2024-06-12 14:37:33 UTC
Tags:
xworm
Link:
https://app.any.run/tasks/0d4e1a43-a3b6-46b1-9e52-6763575558ef

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.DownLoader46.62233.27769.15465.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6669afeca2bce47be7d80135win7simulatehigh_evasion
Tags:
Encryption Execution Generic Network Static Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the system32 directory
Enabling the 'hidden' option for recently created files
Launching a process
Creating a process with a hidden window
Creating a file
Creating a process from a recently created file
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Connection attempt to an infection source
Setting a global event handler for the keyboard
Query of malicious DNS domain
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
asyncrat control lolbin remote schtasks vbnet
Link:
https://www.filescan.io/uploads/6669b007ef9fdf64aa6a706f/reports/c4d2642e-0bcf-466d-899e-e154c9aa2601/overview
Verdict:
Malicious
Labled as:
Marsilia.Generic
Link:
https://www.hybrid-analysis.com/sample/7761d76284feb79783d96c62b2088d14b39d9f5b485b429f2c0f69d081201629
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/d68bdcfe-9db5-4cb6-b3bd-d90bce4089d5
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1456068
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
Bypasses PowerShell execution policy
Drops executables to the windows directory (C:\Windows) and starts them
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 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 uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1456068 Sample: SecuriteInfo.com.Trojan.Dow... Startdate: 12/06/2024 Architecture: WINDOWS Score: 100 30 drive.usercontent.google.com 2->30 32 8.tcp.ngrok.io 2->32 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 8 other signatures 2->46 8 svchost?.exe 14 3 2->8         started        12 SecuriteInfo.com.Trojan.DownLoader46.62233.27769.15465.exe 1 2->12         started        signatures3 process4 dnsIp5 34 drive.usercontent.google.com 142.250.184.193, 443, 49714 GOOGLEUS United States 8->34 36 3.142.167.54, 11208, 49743, 49744 AMAZON-02US United States 8->36 38 8.tcp.ngrok.io 3.142.81.166, 11208, 49715, 49716 AMAZON-02US United States 8->38 48 Antivirus detection for dropped file 8->48 50 Multi AV Scanner detection for dropped file 8->50 52 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->52 56 4 other signatures 8->56 15 powershell.exe 9 8->15         started        18 powershell.exe 9 8->18         started        28 C:\Windows\System32\svchost?.exe, PE32 12->28 dropped 54 Uses schtasks.exe or at.exe to add and modify task schedules 12->54 20 schtasks.exe 1 12->20         started        file6 signatures7 process8 signatures9 58 Loading BitLocker PowerShell Module 15->58 22 conhost.exe 15->22         started        24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        process10
Score:
72%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7761d76284feb79783d96c62b2088d14b39d9f5b485b429f2c0f69d081201629
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7761d76284feb79783d96c62b2088d14b39d9f5b485b429f2c0f69d081201629/
Threat name:
ByteCode-MSIL.Trojan.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2024-05-02 23:46:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o5q5oyue723zpa6znrrlecencszz3h23jbnufhzmb5u5bajacyuq._file
Verdict:
malicious
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm execution rat trojan
Link:
https://tria.ge/reports/240612-rrve8asapp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in System32 directory
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/91216479-5660-482f-b081-9d9d448166bd
Unpacked files
SH256 hash:
96595ae66b99cd392d0aa69da8ed7ad69affcdf0731e785bcc474c33b5094773
MD5 hash:
3104737e86d59919380e95c5d85a624d
SHA1 hash:
a0190f12732a7b95d84d5b3da3257815b8e6af46
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/e0ae792f-06f8-40bf-8029-515aa49c78e7/
SH256 hash:
7761d76284feb79783d96c62b2088d14b39d9f5b485b429f2c0f69d081201629
MD5 hash:
a71aaa9e10f9dc8701c208df3832a3b8
SHA1 hash:
8602839b452d344aa3004c37fc1356d0aff131ff
Link:
https://www.unpac.me/results/e0ae792f-06f8-40bf-8029-515aa49c78e7/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7761d76284fe/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/7761d76284feb79783d96c62b2088d14b39d9f5b485b429f2c0f69d081201629

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:pe_imphash
Create hunting rule
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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments