MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39a43ccb4d5295214586a645cfd977031be5680cad5a316db4326c42ba3d91fd. 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 1 YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 39a43ccb4d5295214586a645cfd977031be5680cad5a316db4326c42ba3d91fd
SHA3-384 hash: e726617cd666314094be3ae701199ff602d984ce5e9c88a9e9815022b903a57ee58ba7cd319f82b630797ff0eda84195
SHA1 hash: d1dd09dfeaa172e97c053e739a77130c241082f0
MD5 hash: fb0e5dfc9707e89deb23f5db9ebb3845
humanhash: september-fanta-delaware-fifteen
File name:FB0E5DFC9707E89DEB23F5DB9EBB3845.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:1'333'248 bytes
First seen:2025-09-20 21:05:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fd07fba8b12ffe7192d601c00a748022 (1 x XWorm)
ssdeep 12288:c88EjdI16dpjxPjEzeR6o6/1csO1VqYYXFp93oQRQ9eEjf7Hu/QFsVKvtkd1:98J4bjx7ECRxxVb+Ffo+Q9eEm//VWS1
TLSH T113555903F69885EEC55EC078C7A68336BA32B88D0624B6EB27D45B343E56F105F1D719
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10522/11/4)
12.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.1% (.ICL) Windows Icons Library (generic) (2059/9)
5.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:exe xworm


Avatar
abuse_ch
XWorm C2:
79.110.62.22:1131

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
79.110.62.22:1131 https://threatfox.abuse.ch/ioc/1596036/

Intelligence

File Origin
# of uploads :
1
# of downloads :
134
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FB0E5DFC9707E89DEB23F5DB9EBB3845.exe
Verdict:
Malicious activity
Analysis date:
2025-09-20 21:07:48 UTC
Tags:
auto-sch auto-drop
Link:
https://app.any.run/tasks/be7e1c44-a274-43bc-8f62-50b6485cc8d8

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/28465/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68cf1720e8f425f500f04239
Tags:
vmdetect emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Creating a file
Launching a process
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Сreating synchronization primitives
Sending a custom TCP request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 crypt evasive lolbin packed schtasks
Link:
https://www.filescan.io/uploads/68cf175073af424b47e8bf4f/reports/741f25dd-11f4-4041-ba36-ffe6978f91f5/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/39a43ccb4d5295214586a645cfd977031be5680cad5a316db4326c42ba3d91fd
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-09-17T11:30:00Z UTC
Last seen:
2025-09-17T11:30:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/39a43ccb4d5295214586a645cfd977031be5680cad5a316db4326c42ba3d91fd/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/1674c3ec-f0b6-4075-8e3b-a53251c04988
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1781233
Signature
Contain functionality to detect virtual machines
Found direct / indirect Syscall (likely to bypass EDR)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries pointing device information (via WMI, Win32_PointingDevice, often done to detect virtual machines)
Queries sensitive service information (via WMI, WIN32_SERVICE, often done to detect sandboxes)
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/39a43ccb4d5295214586a645cfd977031be5680cad5a316db4326c42ba3d91fd
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/fb0e5dfc9707e89deb23f5db9ebb3845
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/39a43ccb4d5295214586a645cfd977031be5680cad5a316db4326c42ba3d91fd/
Threat name:
Win64.Backdoor.Xworm
Create hunting rule
Status:
Suspicious
First seen:
2025-09-17 18:04:51 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hgsdzs2nkkkscrmguzc47wlxamn6k2amvvndc3nugjwefor5sh6q._file
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:donutloader family:xworm defense_evasion loader rat trojan
Link:
https://tria.ge/reports/250920-zxekysx1gs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Windows security modification
Detect Xworm Payload
Detects DonutLoader
DonutLoader
Donutloader family
Windows security bypass
Xworm
Xworm family
Malware Config
C2 Extraction:
79.110.62.22:1131
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cd51c051-6f61-4337-9b60-09290c45f66a
Unpacked files
SH256 hash:
39a43ccb4d5295214586a645cfd977031be5680cad5a316db4326c42ba3d91fd
MD5 hash:
fb0e5dfc9707e89deb23f5db9ebb3845
SHA1 hash:
d1dd09dfeaa172e97c053e739a77130c241082f0
Link:
https://www.unpac.me/results/63bfb8f4-a4c3-4b26-8933-cb6058191067/
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/39a43ccb4d5295214586a645cfd977031be5680cad5a316db4326c42ba3d91fd

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:ProgramLanguage_Rust
Create hunting rule
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:Rustyloader_mem_loose
Create hunting rule
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

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/28465/

Comments