MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfdcb766fdbf5c8be70594c09b75907bca9a35c61f1245721f82a8fc07f5b424. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dfdcb766fdbf5c8be70594c09b75907bca9a35c61f1245721f82a8fc07f5b424
SHA3-384 hash: dbc2407fc3a12cf5634fa7537da7b65b4e96c779fa5a2f799481f7edb940f651ad810143b738a2256b5f19caebdfded0
SHA1 hash: c7db07f00f91483c9360a32371bbb8b1681ed2de
MD5 hash: cabee3b3963cae4f1a8344167a35397c
humanhash: five-princess-network-papa
File name:fed1744007643.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:440'832 bytes
First seen:2023-07-25 13:46:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:q+S7JbeW4Gc8yJYFuVWnory7z3KNldg2qCpQAFObra8/JHCCxHkyxQIF3hqj4pqA:q+2bp4UFu7NNAE3uI0
Threatray 132 similar samples on MalwareBazaar
TLSH T14F9485B1362254C9C18A1DB8CEB7366133A739BCF885364CE89B772F5653265241EB0F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon f0cc86a38a86e0f0 (1 x LgoogLoader, 1 x XWorm)
Reporter Anonymous
Tags:exe xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
356
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fed1744007643.exe
Verdict:
Malicious activity
Analysis date:
2023-07-25 13:49:29 UTC
Tags:
xworm remote
Link:
https://app.any.run/tasks/b2c21704-1f00-42a5-aefb-e05d740ad86e

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/432225/
Detection(s):
SecuriteInfo.com.Variant.Ransom.Loki.8883.22180.24277.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Launching a process
Running batch commands
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a file
Creating a window
DNS request
Using the Windows Management Instrumentation requests
Creating a process from a recently created file
Setting a global event handler for the keyboard
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd lolbin obfuscated packed packed
Link:
https://www.filescan.io/uploads/64bfd257ae1d636281d2c4a9/reports/f281dcf3-aa53-46c2-877d-7ffd0ca8811b/overview
Verdict:
Malicious
Labled as:
Ransom.Loki.Generic
Link:
https://www.hybrid-analysis.com/sample/dfdcb766fdbf5c8be70594c09b75907bca9a35c61f1245721f82a8fc07f5b424
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7d29fd4d-c5fa-4ee7-bb42-8393c5270634
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1279194
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
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
Snort IDS alert for network traffic
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1279194 Sample: fed1744007643.exe Startdate: 25/07/2023 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 8 other signatures 2->68 7 fed1744007643.exe 2 2->7         started        11 fed1744007643.exe 2->11         started        13 fed1744007643.exe 2->13         started        process3 file4 54 C:\Users\user\...\fed1744007643.exe.log, CSV 7->54 dropped 72 Writes to foreign memory regions 7->72 74 Allocates memory in foreign processes 7->74 76 Injects a PE file into a foreign processes 7->76 15 cmd.exe 3 7->15         started        18 cmd.exe 2 7->18         started        21 RegAsm.exe 2 7->21         started        24 cmd.exe 1 7->24         started        78 Multi AV Scanner detection for dropped file 11->78 80 Machine Learning detection for dropped file 11->80 26 cmd.exe 11->26         started        28 cmd.exe 1 11->28         started        32 2 other processes 11->32 30 cmd.exe 13->30         started        34 3 other processes 13->34 signatures5 process6 dnsIp7 56 C:\Users\user\AppData\...\fed1744007643.exe, PE32 15->56 dropped 58 C:\...\fed1744007643.exe:Zone.Identifier, ASCII 15->58 dropped 36 conhost.exe 15->36         started        70 Uses schtasks.exe or at.exe to add and modify task schedules 18->70 38 conhost.exe 18->38         started        60 newxworm.duckdns.org 87.120.88.94, 49705, 7000 NET1-ASBG Bulgaria 21->60 40 conhost.exe 24->40         started        42 schtasks.exe 1 24->42         started        48 2 other processes 26->48 44 conhost.exe 28->44         started        50 2 other processes 30->50 46 conhost.exe 32->46         started        52 2 other processes 34->52 file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dfdcb766fdbf5c8be70594c09b75907bca9a35c61f1245721f82a8fc07f5b424/
Threat name:
Win32.Ransomware.Loki
Create hunting rule
Status:
Malicious
First seen:
2023-07-25 13:47:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=37olozx5x5oixzyfstajw5mqppfjunogd4jek4q7qkupyb7vwqsa._file
Verdict:
malicious
Similar samples:
05cd3a132abf900939da0da8053eca52743a0fed69b535ebdd4bbc6a76017697
XWorm
2b56e825cc2e772bc4fc4ba70da59ecdb9ff305982bcef1af9f577ff6cd07875
XWorm
30659ba72c4977c6017c45a45909442417c5bc07e7f3a2392b352d29494cb226
XWorm
35dcbe95b9ca79381e4d0a11561194439d554ed6e245b2e73700ece1f60fe884
XWorm
8acc5e78093d75cd1679b3314f7e79d8a3135a51a65d92d6fe36ed263e6a5860
XWorm
8bf39c82088d376f612259550f253fe8c6a5a747de4c4b7b22077f47dd321ffe
XWorm
a447fee5372ccb5a4efc5daf48f497d921a7dc01d3d4f24dd3c4319da9f55ae4
XWorm
cd1843ecfb7e612247ae3b9a7da451834d5dc9e7152e9721a9d56c73df8b3a0b
XWorm
+ 122 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm rat trojan
Link:
https://tria.ge/reports/230725-q3jbnade2t/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Executes dropped EXE
Xworm
Malware Config
C2 Extraction:
newxworm.duckdns.org:7000
Unpacked files
SH256 hash:
5eada5d4cbba3ac7547f4eb22c8d478b517356d7a48d90c416b4be5a2657cb2f
MD5 hash:
a44c37a64860e263e493056f641e4836
SHA1 hash:
ec5fc0bfddcb0e2d4fa2a28d90301e7899c73803
Detections:
XWorm
Create hunting rule
Link:
https://www.unpac.me/results/349d5487-93af-4030-b8c0-cfa640456990/
Parent samples :
05cd3a132abf900939da0da8053eca52743a0fed69b535ebdd4bbc6a76017697
dfdcb766fdbf5c8be70594c09b75907bca9a35c61f1245721f82a8fc07f5b424
SH256 hash:
dfdcb766fdbf5c8be70594c09b75907bca9a35c61f1245721f82a8fc07f5b424
MD5 hash:
cabee3b3963cae4f1a8344167a35397c
SHA1 hash:
c7db07f00f91483c9360a32371bbb8b1681ed2de
Link:
https://www.unpac.me/results/349d5487-93af-4030-b8c0-cfa640456990/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dfdcb766fdbf/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/dfdcb766fdbf5c8be70594c09b75907bca9a35c61f1245721f82a8fc07f5b424

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

Cape
Cape
https://www.capesandbox.com/analysis/432225/

Comments