MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7. 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


XenoRAT


Vendor detections: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7
SHA3-384 hash: 7b0fae30fe7bef1b7da40e9223b0ecd302ea590cbd1b095d67c03d56cbadeab1adf3edba23174d50090a290cd3e82391
SHA1 hash: e206af96ff648951608eaf599627635ddff7ecd8
MD5 hash: 33f2e874128d3a24588e1c89927042bd
humanhash: alanine-oxygen-network-friend
File name:Dekont-Mayis.exe
Download: download sample
Signature XenoRAT
Create hunting rule
File size:248'320 bytes
First seen:2024-05-14 07:38:45 UTC
Last seen:2024-05-14 08:31:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:gRRan2neJf5QvtapiSgICS86G3vsMP1i8FvEOPDv5bq1RFI:gRTeJf5mappgICS+3xPFvrPDv5bq1I
TLSH T1F2345A9D726072DFC867C5B2DEA82DA4FB6478B7471B4203A42715ADAE4C897CF140F2
TrID 28.5% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4504/4/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter abuse_ch
Tags:exe geo TUR XenoRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
302
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7.exe
Verdict:
Malicious activity
Analysis date:
2024-05-14 08:42:07 UTC
Tags:
xenorat rat
Link:
https://app.any.run/tasks/abfc4c7b-ef6b-41f7-b309-849d2dde1fd0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
PUA.Win.Packed.ConfuserEx-6391397-0
Create hunting rule

PUA.Win.Packed.ConfuserEx-6582917-0
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a process from a recently created file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
confuser confuserex packed packed
Link:
https://www.filescan.io/uploads/66431520148f01a7073f99b1/reports/5fce9be6-fc40-404b-bd6a-baf9bd1b84a8/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7
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:
Malicious
Link:
https://analyze.intezer.com/analyses/9bc48311-5411-4a78-9efb-503c4c43aa91
Result
Threat name:
XenoRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1441130
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected XenoRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1441130 Sample: Dekont-Mayis.exe Startdate: 14/05/2024 Architecture: WINDOWS Score: 100 52 dns.dobiamfollollc.online 2->52 56 Multi AV Scanner detection for domain / URL 2->56 58 Antivirus / Scanner detection for submitted sample 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 62 6 other signatures 2->62 11 Dekont-Mayis.exe 1 2->11         started        14 Dekont-Mayis.exe 2->14         started        signatures3 process4 signatures5 64 Detected unpacking (changes PE section rights) 11->64 66 Injects a PE file into a foreign processes 11->66 16 Dekont-Mayis.exe 4 11->16         started        19 Dekont-Mayis.exe 11->19         started        21 Dekont-Mayis.exe 11->21         started        23 Dekont-Mayis.exe 2 14->23         started        25 Dekont-Mayis.exe 2 14->25         started        27 Dekont-Mayis.exe 2 14->27         started        process6 file7 48 C:\Users\user\AppData\...\Dekont-Mayis.exe, PE32 16->48 dropped 29 Dekont-Mayis.exe 16->29         started        32 WerFault.exe 2 19->32         started        34 WerFault.exe 2 21->34         started        process8 signatures9 68 Antivirus detection for dropped file 29->68 70 Multi AV Scanner detection for dropped file 29->70 72 Machine Learning detection for dropped file 29->72 74 2 other signatures 29->74 36 Dekont-Mayis.exe 5 29->36         started        40 Dekont-Mayis.exe 2 29->40         started        42 Dekont-Mayis.exe 2 29->42         started        process10 dnsIp11 54 dns.dobiamfollollc.online 91.92.243.131, 1283 THEZONEBG Bulgaria 36->54 50 C:\Users\user\AppData\Local\...\tmpEC64.tmp, ASCII 36->50 dropped 44 schtasks.exe 1 36->44         started        file12 process13 process14 46 conhost.exe 44->46         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-05-13 06:03:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7ozfd6mrni3c4ut6sywe4kyjkd3v3yrcn47dbeubh6rv5nrzfo3q._file
Result
Malware family:
xenorat
Create hunting rule
Score:
  10/10
Tags:
family:xenorat rat trojan
Link:
https://tria.ge/reports/240514-jgzm7afd8t/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
XenorRat
Malware Config
C2 Extraction:
dns.dobiamfollollc.online
Unpacked files
SH256 hash:
79b315305079f3cdf15ff04463ade270a4056b90d8b95937f19455f47603b1ed
MD5 hash:
2e6acdcea8f62c62efccd790b8cce3f7
SHA1 hash:
44fa27c411545d32955ad7e342ff0462ad49a776
Link:
https://www.unpac.me/results/0e449b57-04f3-4848-9cf3-3d8ccb228f0f/
Parent samples :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 hash:
fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7
MD5 hash:
33f2e874128d3a24588e1c89927042bd
SHA1 hash:
e206af96ff648951608eaf599627635ddff7ecd8
Detections:
INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Link:
https://www.unpac.me/results/0e449b57-04f3-4848-9cf3-3d8ccb228f0f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fbb251f9916a/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/fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7

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:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
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.

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