MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab1c952a12e853bd77e417cd98b3cc4a1310a0f61c93f37f657a4724545a06f2. 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: ab1c952a12e853bd77e417cd98b3cc4a1310a0f61c93f37f657a4724545a06f2
SHA3-384 hash: 2a7b9142b44fffb2903c69d00f1fd95cd47401edddae1b2bc2e1c645ac99e1811a58f9aa945cd231d96b5a5349741db4
SHA1 hash: 5f7d963e8b7d2fcd75a4374f2da02672754f57b8
MD5 hash: e34f469b24a30e7a056e47f90b1d722d
humanhash: burger-two-green-massachusetts
File name:e34f469b24a30e7a056e47f90b1d722d
Download: download sample
Signature XWorm
Create hunting rule
File size:14'848 bytes
First seen:2024-03-02 17:56:44 UTC
Last seen:2024-03-04 03:29:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:3R0wqwlbU/TN2qKGq7O/aC+s39wPS6Vz/:3RxuTB/H9wPS6B
TLSH T1FD621A0883D48176CDFE1AB2ACA641410BB1F518C813FFBFA988E25D5E733554AD3A32
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter zbetcheckin
Tags:32 exe xworm

Intelligence

File Origin
# of uploads :
2
# of downloads :
306
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
redline
Create hunting rule
ID:
1
File name:
4363463463464363463463463.bin (1).zip
Verdict:
Malicious activity
Analysis date:
2024-03-03 09:55:03 UTC
Tags:
hausbomber loader stealer redline opendir vidar risepro evasion ramnit trojan amadey xworm remote payload asyncrat rat raccoon recordbreaker
Link:
https://app.any.run/tasks/14446acd-aeaa-41fb-84f2-030b7aacb857

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Creating a window
Searching for synchronization primitives
Enabling the 'hidden' option for recently created files
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Creating a file in the mass storage device
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
explorer lolbin
Link:
https://www.filescan.io/uploads/65e368752ffc4d27ab7cbc52/reports/2b46d549-ac30-4f11-8444-28a0f73ce114/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/ab1c952a12e853bd77e417cd98b3cc4a1310a0f61c93f37f657a4724545a06f2
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/8db89222-cead-4876-a5b8-b43bf1188c04
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1401965
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains process injector
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Benign windows process drops PE files
Creates a thread in another existing process (thread injection)
Injects code into the Windows Explorer (explorer.exe)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Sigma detected: Files With System Process Name In Unsuspected Locations
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1401965 Sample: NnYPRjsbBX.exe Startdate: 02/03/2024 Architecture: WINDOWS Score: 100 33 new-coder.cc 2->33 35 nc.bmexcellentfocus.net 2->35 37 api.msn.com 2->37 43 Snort IDS alert for network traffic 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 8 other signatures 2->49 8 NnYPRjsbBX.exe 14 4 2->8         started        12 explorer.exe 2->12         started        14 explorer.exe 19 2->14         started        16 explorer.exe 2->16         started        signatures3 process4 dnsIp5 41 nc.bmexcellentfocus.net 153.92.8.74, 443, 49710 AS-HOSTINGERLT Germany 8->41 57 Injects code into the Windows Explorer (explorer.exe) 8->57 59 Writes to foreign memory regions 8->59 61 Allocates memory in foreign processes 8->61 63 Creates a thread in another existing process (thread injection) 8->63 18 explorer.exe 45 9 8->18 injected 23 conhost.exe 8->23         started        65 Query firmware table information (likely to detect VMs) 12->65 signatures6 process7 dnsIp8 39 new-coder.cc 107.175.3.10, 49711, 7536 AS-COLOCROSSINGUS United States 18->39 31 C:\ProgramData\SecurityHealthSystray.exe, PE32+ 18->31 dropped 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Benign windows process drops PE files 18->53 55 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 18->55 25 SecurityHealthSystray.exe 18->25         started        27 SecurityHealthSystray.exe 18->27         started        29 WerFault.exe 18->29         started        file9 signatures10 process11
Score:
37%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/ab1c952a12e853bd77e417cd98b3cc4a1310a0f61c93f37f657a4724545a06f2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ab1c952a12e853bd77e417cd98b3cc4a1310a0f61c93f37f657a4724545a06f2/
Threat name:
ByteCode-MSIL.Trojan.Vigorf
Create hunting rule
Status:
Malicious
First seen:
2024-03-02 17:57:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vmojkkqs5bj3257ec7gzrm6mjijrbihwdsj7g73fpjdsivc2a3za._file
Verdict:
malicious
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm persistence rat trojan
Link:
https://tria.ge/reports/240302-wjky2agb49/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Adds Run key to start application
Drops startup file
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
new-coder.cc:7536
Unpacked files
SH256 hash:
ab1c952a12e853bd77e417cd98b3cc4a1310a0f61c93f37f657a4724545a06f2
MD5 hash:
e34f469b24a30e7a056e47f90b1d722d
SHA1 hash:
5f7d963e8b7d2fcd75a4374f2da02672754f57b8
Link:
https://www.unpac.me/results/fedad5b7-da5b-4104-8b95-4fad9edcac38/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ab1c952a12e8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.92
Link:
https://yomi.yoroi.company/submissions/ab1c952a12e853bd77e417cd98b3cc4a1310a0f61c93f37f657a4724545a06f2

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:MSIL_TinyDownloader_Generic
Create hunting rule
Author:albertzsigovits
Description:Detects small-sized dotNET downloaders
Rule name:NET
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 ab1c952a12e853bd77e417cd98b3cc4a1310a0f61c93f37f657a4724545a06f2

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2774400/

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 (GUARD_CF)high

Comments


Avatar
zbet commented on 2024-03-02 17:56:44 UTC

url : hxxps://107.175.3.10//Users/VB%20Shellcode%20inject_20240225222048575.exe