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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d56acf53cf6d4c419dedeef42bb3058afecfc467c60388d8f49505ac17582d31. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d56acf53cf6d4c419dedeef42bb3058afecfc467c60388d8f49505ac17582d31
SHA3-384 hash: 60d8cd329c0bd1da6110fb0599869f5ca0294215f65c87326be2c51ddf76e0e0948fc9602d8d53107c26b3cec6e38bbf
SHA1 hash: d788b7b52e9b05612101c77bc7aa1dfa94e5b76f
MD5 hash: 037b6246bfb5e3f237ba49fa266e97a6
humanhash: mirror-louisiana-april-nine
File name:AppHost.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:125'440 bytes
First seen:2025-05-21 22:03:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 81c5d9e57a2c8d1980c6c76277447131 (2 x XWorm, 1 x RemcosRAT, 1 x AsyncRAT)
ssdeep 1536:iyK/Odm8HsnTpb91VfSM8YbIE0+tSQohrwT5zOXszPMsWeLbd/9dl5ZF6/JzLLLS:iyKmdiXQMaE00loaT5zMsx1/XwJON
TLSH T1BEC36B4B73B530F8E17B8279C4910A05E772B8350760ABAF07B446662F236D59D3EF62
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter skocherhan
Tags:exe thomson101 xworm


Avatar
skocherhan
https://github.com/thomson101/WHO/releases/download/Release/AppHost.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
462
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
AppHost.exe
Verdict:
Malicious activity
Analysis date:
2025-05-21 22:06:13 UTC
Tags:
susp-powershell
Link:
https://app.any.run/tasks/f4efcfb6-df46-46bd-9e16-6573724fe4e5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=682e4e63c28c67d66643f57c
Tags:
ransomware virus pmax
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% directory
Running batch commands
Creating a process with a hidden window
Unauthorized injection to a system process
Moving of the original file
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm base64 microsoft_visual_cc
Link:
https://www.filescan.io/uploads/682e4daee336a33801dc2fda/reports/e34477dd-669b-4bb7-92ee-7afa6339ed77/overview
Verdict:
Malicious
Labled as:
Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/d56acf53cf6d4c419dedeef42bb3058afecfc467c60388d8f49505ac17582d31
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/71692d23-cb6d-43ae-a6d3-ac63410a41d7
Result
Threat name:
Koadic, XWorm
Create hunting rule
Detection:
malicious
Classification:
evad.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1696336
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates / moves files in alternative data streams (ADS)
Deletes itself after installation
Disable Windows Defender real time protection (registry)
Disables Windows Defender (deletes autostart)
Disables Windows Defender (via service or powershell)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Modifies Windows Defender protection settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sigma detected: Disable Important Scheduled Task
Sigma detected: Disable Windows Defender AV Security Monitoring
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell Defender Disable Scan Feature
Sigma detected: Powerup Write Hijack DLL
Suricata IDS alerts for network traffic
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Koadic BAT payload
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1696336 Sample: AppHost.exe Startdate: 22/05/2025 Architecture: WINDOWS Score: 100 51 objects.githubusercontent.com 2->51 53 github.com 2->53 63 Suricata IDS alerts for network traffic 2->63 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 14 other signatures 2->69 10 AppHost.exe 2 2->10         started        13 svchost.exe 2->13         started        signatures3 process4 dnsIp5 79 Creates / moves files in alternative data streams (ADS) 10->79 81 Deletes itself after installation 10->81 83 Writes to foreign memory regions 10->83 85 Disable Windows Defender real time protection (registry) 10->85 16 powershell.exe 18 43 10->16         started        55 127.0.0.1 unknown unknown 13->55 signatures6 process7 dnsIp8 45 140.82.112.3, 443, 49695 GITHUBUS United States 16->45 47 github.com 140.82.114.4, 443, 49683 GITHUBUS United States 16->47 49 objects.githubusercontent.com 185.199.110.133, 443, 49684, 49696 FASTLYUS Netherlands 16->49 41 C:\Users\user\AppData\Roaming\Adobe.exe, PE32 16->41 dropped 43 C:\Users\user\AppData\...\0seqemtok4f.bat, Unicode 16->43 dropped 57 Uses cmd line tools excessively to alter registry or file data 16->57 59 Loading BitLocker PowerShell Module 16->59 61 Powershell drops PE file 16->61 21 cmd.exe 1 16->21         started        24 WmiPrvSE.exe 16->24         started        26 conhost.exe 16->26         started        file9 signatures10 process11 signatures12 71 Uses cmd line tools excessively to alter registry or file data 21->71 73 Uses schtasks.exe or at.exe to add and modify task schedules 21->73 75 Modifies Windows Defender protection settings 21->75 77 Disables Windows Defender (via service or powershell) 21->77 28 reg.exe 21->28         started        31 powershell.exe 21->31         started        33 powershell.exe 21->33         started        35 43 other processes 21->35 process13 signatures14 87 Disables Windows Defender (deletes autostart) 28->87 89 Disable Windows Defender real time protection (registry) 28->89 91 Uses cmd line tools excessively to alter registry or file data 31->91 37 reg.exe 31->37         started        39 reg.exe 33->39         started        93 Loading BitLocker PowerShell Module 35->93 process15
Score:
92%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d56acf53cf6d4c419dedeef42bb3058afecfc467c60388d8f49505ac17582d31
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d56acf53cf6d4c419dedeef42bb3058afecfc467c60388d8f49505ac17582d31/
Threat name:
Win64.Malware.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-05-03 19:50:29 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
25 of 37 (67.57%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2vvm6u6pnvgedhpn532cxmyfrl7m7rdhyybyrwhusuc2yf2yfuyq._file
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm defense_evasion evasion execution persistence rat trojan
Link:
https://tria.ge/reports/250521-1yjrqsdn5x/
Behaviour
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Modifies Security services
Deletes itself
Executes dropped EXE
Blocklisted process makes network request
Detect Xworm Payload
Modifies Windows Defender DisableAntiSpyware settings
Modifies Windows Defender Real-time Protection settings
Modifies security service
Xworm
Xworm family
Malware Config
C2 Extraction:
80.85.154.131:2618
Unpacked files
SH256 hash:
d56acf53cf6d4c419dedeef42bb3058afecfc467c60388d8f49505ac17582d31
MD5 hash:
037b6246bfb5e3f237ba49fa266e97a6
SHA1 hash:
d788b7b52e9b05612101c77bc7aa1dfa94e5b76f
Link:
https://www.unpac.me/results/9d19ab51-9bcd-490c-955c-34747cb2c18f/
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/d56acf53cf6d4c419dedeef42bb3058afecfc467c60388d8f49505ac17582d31

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:Base64_Encoded_Powershell_Directives
Create hunting rule
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:SUSP_PowerShell_Base64_Decode
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects PowerShell code to decode Base64 data. This can yield many FP

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 (GUARD_CF)high
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::OpenProcess
KERNEL32.dll::WriteProcessMemory
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegSetValueExW

Comments