MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c39365657b596c0e0d5599d177ec383659d23d24d1e529fcf2eeef2c8f82e5f0. 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: 15


Intelligence 15 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c39365657b596c0e0d5599d177ec383659d23d24d1e529fcf2eeef2c8f82e5f0
SHA3-384 hash: 7cc22a2855cc90d82689a4656eb1fd28b780cbe4e08e70efe3ffd31aff81091982bc6cdd5661bd39c81f0ca86523c979
SHA1 hash: d7017e07983727cf7401f403671e69b55b8b9da4
MD5 hash: 036c0cd48a482a5747a07e965ac6c6f5
humanhash: bacon-maryland-kitten-sink
File name:WDMFT505_BL_JPTYO01_EMOTO_1017_000103_008DA21581-MAIL.scr
Download: download sample
Signature XWorm
Create hunting rule
File size:445'440 bytes
First seen:2023-10-31 06:52:42 UTC
Last seen:2023-10-31 08:40:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:VUR66OoaKUk62w97VQ+TY11/d13H+YAcms:VUR6OG2cpTY11/d13eA
Threatray 103 similar samples on MalwareBazaar
TLSH T199942240168887BAFAD843BF907826600BF9D158B980EF9D4EC874C57D7E7835F29636
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 08b266ca84c862b4 (6 x AgentTesla, 6 x Formbook, 4 x Loki)
Reporter abuse_ch
Tags:exe scr xworm

Intelligence

File Origin
# of uploads :
2
# of downloads :
318
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
WDMFT505_BL_JPTYO01_EMOTO_1017_000103_008DA21581-MAIL.scr
Verdict:
Malicious activity
Analysis date:
2023-10-31 08:10:17 UTC
Tags:
xworm remote sinkhole
Link:
https://app.any.run/tasks/6b36fd11-5f47-41ec-b9ac-cdbb517113fc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XWorm
Create hunting rule
Link:
https://www.capesandbox.com/analysis/457259/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Launching a process
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6540a45072356e4f29e986d1/reports/ed348219-45fa-4601-aebd-2264c58b58bd/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c39365657b596c0e0d5599d177ec383659d23d24d1e529fcf2eeef2c8f82e5f0
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/16dbbe2b-dd2f-4dcf-b1d9-3d3574a8d6da
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1334683
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Found malware configuration
Injects a PE file into a foreign processes
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)
Yara detected AntiVM3
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1334683 Sample: WDMFT505_BL_JPTYO01_EMOTO_1... Startdate: 31/10/2023 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 9 other signatures 2->42 8 WDMFT505_BL_JPTYO01_EMOTO_1017_000103_008DA21581-MAIL.scr.exe 3 2->8         started        process3 signatures4 44 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->44 46 Bypasses PowerShell execution policy 8->46 48 Adds a directory exclusion to Windows Defender 8->48 50 Injects a PE file into a foreign processes 8->50 11 WDMFT505_BL_JPTYO01_EMOTO_1017_000103_008DA21581-MAIL.scr.exe 6 8->11         started        process5 dnsIp6 34 104.250.180.178, 49718, 7054 M247GB United States 11->34 32 C:\Users\user\AppData\Roaming\MVPL.exe, PE32 11->32 dropped 52 Adds a directory exclusion to Windows Defender 11->52 16 powershell.exe 23 11->16         started        18 powershell.exe 23 11->18         started        20 powershell.exe 21 11->20         started        22 powershell.exe 11->22         started        file7 signatures8 process9 process10 24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        30 conhost.exe 22->30         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c39365657b596c0e0d5599d177ec383659d23d24d1e529fcf2eeef2c8f82e5f0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c39365657b596c0e0d5599d177ec383659d23d24d1e529fcf2eeef2c8f82e5f0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-10-31 01:49:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yojwkzl3lfwa4dkvthixp3bygzm5epje2hsst7hs53xszd4c4xya._file
Verdict:
malicious
Similar samples:
024cc35017b7cf3e59c195fe45d3fd56ed418035fe7cd157d18ae2866632fe1a
XWorm
1ea45894bbfc448142256e5eec21349889852f550b4ed53f0aca814a6c642335
XWorm
39332270e15778b5c51e1c2339d67f9d7572d54fe92b53636b39bbbc73f73830
XWorm
55c7da2f4d95013b4e729edb54cfe78213bbcf01aec9c70357ff3f4d36cc871f
XWorm
5825bde73102349f8a9ba272fce964413be3563bb4c4ef17dff41c2fed460932
XWorm
8c528cd58be0b7d450d7f94ee72e15b42059a28937ad39d73a915861e72e5932
XWorm
bf0021cff2f4f3ac204eca9821369176f8d16480510d53465ba2d239524ec7b6
XWorm
c48ecc22b1d6a955c8e6346661d51b528cc5233909e0f3a6665353f63fea6343
XWorm
e4b2f31e7c9fb2df6cf161898f23653c49d758f8f733e5910b99f3fd998569e0
XWorm
ea87bdca84791d7b13f4fae8744f3ef3ec81261be2b57f4dde80d9a2bcebdb2d
XWorm
+ 93 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/231031-hnpacshb4y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Loads dropped DLL
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/99138732-150e-40f9-a596-a50b89e1b5ce/
SH256 hash:
93ca605624087821e8b5650f918f085356a85b645e725d3e88578a5a811a56a9
MD5 hash:
940b0685a4186296ce2a7ebe338d4c2e
SHA1 hash:
b6f16e4957a934cc23f045fa5ddfd8336ba1492c
Link:
https://www.unpac.me/results/99138732-150e-40f9-a596-a50b89e1b5ce/
SH256 hash:
57ed68bfc9cd544bab94b6079966bc08c44fe1c65e85cfab5061d61299f0654e
MD5 hash:
b12fcfb5e0ca2a0c0b08600c596a70c8
SHA1 hash:
a20cbe61586aa035f84f6ebb14b7447e1197923d
Detections:
win_delivery_check_g0
Create hunting rule
Link:
https://www.unpac.me/results/99138732-150e-40f9-a596-a50b89e1b5ce/
SH256 hash:
321b9837024c717dd5b2ad4217a7e2734e368bdb58918437baf42f46a34149b1
MD5 hash:
91412a60691a2512ab0becb2f7002a32
SHA1 hash:
70fe342dd601a4b6a3fb67202c9ea3b3fea31b5c
Link:
https://www.unpac.me/results/99138732-150e-40f9-a596-a50b89e1b5ce/
SH256 hash:
c39365657b596c0e0d5599d177ec383659d23d24d1e529fcf2eeef2c8f82e5f0
MD5 hash:
036c0cd48a482a5747a07e965ac6c6f5
SHA1 hash:
d7017e07983727cf7401f403671e69b55b8b9da4
Link:
https://www.unpac.me/results/99138732-150e-40f9-a596-a50b89e1b5ce/
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/c39365657b596c0e0d5599d177ec383659d23d24d1e529fcf2eeef2c8f82e5f0

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:win_delivery_check_g0
Create hunting rule

File information

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

Malspam

XWorm

Executable exe c39365657b596c0e0d5599d177ec383659d23d24d1e529fcf2eeef2c8f82e5f0

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/457259/

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