MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37435cb1937605bc54b865e27c56b97165e0eadd7c2eadcb1479d9ff83c6b117. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments

SHA256 hash: 37435cb1937605bc54b865e27c56b97165e0eadd7c2eadcb1479d9ff83c6b117
SHA3-384 hash: 5b7aab087146f94f4002e65a39435d14d3f44b2578fae1b760451b512ca0ca5d21bda9494ad2d81e0aef3f707c12a415
SHA1 hash: 36623aa1bf73328ace614516307c120d94c9b8f9
MD5 hash: 362f636ddba3eefb2a9ba0628b6ed60d
humanhash: sierra-michigan-massachusetts-oscar
File name:DEC___OC10122025.exe
Download: download sample
Signature XWorm
File size:662'528 bytes
First seen:2025-12-11 14:32:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Wy/NRX3l0V7olLLdyRZzuuujkqTlAb0z:7/3l0VmLLduZhuL
Threatray 7 similar samples on MalwareBazaar
TLSH T147E49D012BE94A98F1BF9738A971151887F5FC03DB36DB1E2EA850ED1972F909961333
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter James_inthe_box
Tags:exe xworm

Intelligence


File Origin
# of uploads :
1
# of downloads :
120
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
DEC___OC10122025.exe
Verdict:
Malicious activity
Analysis date:
2025-12-11 14:33:23 UTC
Tags:
netreactor auto-startup remote xworm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
95.7%
Tags:
quasar virus micro remo
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 crypt obfuscated obfuscated obfuscated vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-10T14:36:00Z UTC
Last seen:
2025-12-13T10:18:00Z UTC
Hits:
~1000
Detections:
Trojan.MSIL.Inject.sb Trojan.MSIL.Inject.c Trojan.MSIL.Inject.b HEUR:Trojan-Spy.WinLNK.Xegumumune.gen Backdoor.MSIL.XWorm.a VHO:Backdoor.Win32.Agent.gen Trojan.Win32.Injuke.pigq HEUR:Trojan.MSIL.Quasar.gen Backdoor.Agent.TCP.C&C Trojan.MSIL.Agent.sb Backdoor.MSIL.XWorm.b PDM:Trojan.Win32.Generic HEUR:Trojan.MSIL.Inject.gen Trojan.WinLNK.Agent.fb
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.84 Win 32 Exe x86
Threat name:
Win32.Backdoor.XWorm
Status:
Malicious
First seen:
2025-12-10 20:25:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm collection discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
.NET Reactor proctector
Drops startup file
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
petro4prime.ydns.eu:5909
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
37435cb1937605bc54b865e27c56b97165e0eadd7c2eadcb1479d9ff83c6b117
MD5 hash:
362f636ddba3eefb2a9ba0628b6ed60d
SHA1 hash:
36623aa1bf73328ace614516307c120d94c9b8f9
SH256 hash:
222b04688d1e2030192b188f099ecfd52bd7af6b986ac93e141a80f2766da879
MD5 hash:
c71e17acab65a4dd054c78c0481c7674
SHA1 hash:
63b0d563f15ab5b92c337ef37d741004623d0f62
SH256 hash:
2673d470353413edfb567ff7479395dc52824db6469520ebe8d91dbca2bccac2
MD5 hash:
e5be1fdba36d5032726313afe4c7dd63
SHA1 hash:
c65ebe77906cec3bcb5e805a327f1aa823be57ca
Please note that we are no longer able to provide a coverage score for Virus Total.

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:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments