MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf8e5046effb930f4cbe727954ff23e2f02d6a91257ddca491d080f07018c5b6. 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 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf8e5046effb930f4cbe727954ff23e2f02d6a91257ddca491d080f07018c5b6
SHA3-384 hash: 7f03bf9e9d1e49e2c9f949b44a32c0768b042ef8e640709277160b136320d474234148617724829afa1c77a21f0cdc8c
SHA1 hash: e676b09f930e97a404b4dfd1a173989c39fb2681
MD5 hash: b7de42db6732cca194950ed4b2958762
humanhash: three-moon-apart-colorado
File name:b7de42db6732cca194950ed4b2958762
Download: download sample
Signature XWorm
Create hunting rule
File size:358'400 bytes
First seen:2024-11-01 19:45:29 UTC
Last seen:2025-01-16 08:25:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:2yScVyir/fDNsNINOgKSKN6dNbSeUKmU:ZDaNC
Threatray 475 similar samples on MalwareBazaar
TLSH T16474A50073E46D63E0768BF5197B964443B9FA9D60F5F6CE8C4394CA39E0FA45E12A23
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
File icon (PE):PE icon
dhash icon d4d49a9c9696d8d4 (1 x Vidar, 1 x XWorm)
Reporter zbetcheckin
Tags:32 exe xworm

Intelligence

File Origin
# of uploads :
3
# of downloads :
403
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b7de42db6732cca194950ed4b2958762
Verdict:
Suspicious activity
Analysis date:
2024-11-01 20:04:58 UTC
Tags:
evasion
Link:
https://app.any.run/tasks/23b6deae-2017-4e19-a890-bd0679103cc1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.PossibleThreat.12958.15254.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6725300549e92a05dde24c55
Tags:
exploit micro
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed packed packer_detected
Link:
https://www.filescan.io/uploads/672530046c05056815e13879/reports/c962c82f-9c10-4b26-8c80-8e22238b76bd/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/cf8e5046effb930f4cbe727954ff23e2f02d6a91257ddca491d080f07018c5b6
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:
Malicious
Link:
https://analyze.intezer.com/analyses/1501e8e4-cfe0-4af8-aad8-a42b32e5a1d2
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1547076
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
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)
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1547076 Sample: aYLsj8zqvn.exe Startdate: 01/11/2024 Architecture: WINDOWS Score: 100 30 ip-api.com 2->30 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 40 11 other signatures 2->40 8 aYLsj8zqvn.exe 7 2->8         started        12 Application.exe 5 2->12         started        signatures3 process4 file5 22 C:\ProgramData\wziQALvd\Application.exe, PE32 8->22 dropped 24 C:\Users\user\AppData\...\wziQALvd.url, MS 8->24 dropped 26 C:\Users\user\AppData\...\aYLsj8zqvn.exe.log, CSV 8->26 dropped 28 C:\...\Application.exe:Zone.Identifier, ASCII 8->28 dropped 42 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->42 44 Writes to foreign memory regions 8->44 46 Injects a PE file into a foreign processes 8->46 14 aspnet_compiler.exe 15 2 8->14         started        48 Antivirus detection for dropped file 12->48 50 Multi AV Scanner detection for dropped file 12->50 52 Machine Learning detection for dropped file 12->52 18 aspnet_compiler.exe 1 12->18         started        signatures6 process7 dnsIp8 32 ip-api.com 208.95.112.1, 49739, 80 TUT-ASUS United States 14->32 54 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 14->54 20 WerFault.exe 22 16 14->20         started        signatures9 process10
Score:
89%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cf8e5046effb930f4cbe727954ff23e2f02d6a91257ddca491d080f07018c5b6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf8e5046effb930f4cbe727954ff23e2f02d6a91257ddca491d080f07018c5b6/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-11-01 18:42:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
16 of 23 (69.57%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z6hfarxp7ojq6tf6oj4vj7zd4lyc22urev65zjer2capa4ayyw3a._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
b29fb89932c2a4b8c10a2be6b5c0e5fccbe6f4e9a5eca3562983accd0b4d76c7
XWorm
bb86852cf19f43f30561b6deb1f31735bebe157fcecdc74f5b7ba453c253b367
XWorm
cf8e5046effb930f4cbe727954ff23e2f02d6a91257ddca491d080f07018c5b6
XWorm
d59be31a606192749c0cc0f10b44634ef7179879b35cf793b0dfba49a1cc26cf
XWorm
error
XWorm
+ 465 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm discovery rat trojan
Link:
https://tria.ge/reports/241101-yrywzawmdn/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
Drops startup file
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
crazyrdp.africa:7000
Verdict:
Malicious
Tags:
xworm asyncrat xworm
YARA:
n/a
Link:
https://app.threat.zone/submission/225b2c36-bfd3-4728-a119-747e9003e84e
Unpacked files
SH256 hash:
4bc896c400e431cc39aaa09edce1f5d7e929919377b02b314b542f2c1530db60
MD5 hash:
4d4dd89b204f286642821805b3368f1b
SHA1 hash:
261b88c7c82c66471fc75eb89c3f8c0abcf603f3
Link:
https://www.unpac.me/results/b73ccf94-4acf-4fce-a4b9-742361add12f/
SH256 hash:
cf8e5046effb930f4cbe727954ff23e2f02d6a91257ddca491d080f07018c5b6
MD5 hash:
b7de42db6732cca194950ed4b2958762
SHA1 hash:
e676b09f930e97a404b4dfd1a173989c39fb2681
Link:
https://www.unpac.me/results/b73ccf94-4acf-4fce-a4b9-742361add12f/
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cf8e5046effb/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/cf8e5046effb930f4cbe727954ff23e2f02d6a91257ddca491d080f07018c5b6

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: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

File information

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

Web download

XWorm

Executable exe cf8e5046effb930f4cbe727954ff23e2f02d6a91257ddca491d080f07018c5b6

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3270072/

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


Avatar
zbet commented on 2024-11-01 19:45:30 UTC

url : hxxp://185.215.113.16/inc/xyaw4fkp.exe