MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08ff34daf0dbc1de8ec1b11ec1f1082a344fa82b1290180943db3941e7f090d6. 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


MassLogger


Vendor detections: 15


Intelligence 15 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 08ff34daf0dbc1de8ec1b11ec1f1082a344fa82b1290180943db3941e7f090d6
SHA3-384 hash: 2e00c0328e8ddf7c2cd42a9d824d084fda684d2ada9232d752bba981af27c56803c7d657cfbee31e65de1b7984dc8549
SHA1 hash: 21a7efb969dc1274aacdca907cd7b7ad2ce03d27
MD5 hash: 7a9823bdc4a01e9a2403c945ee5d46fe
humanhash: crazy-west-johnny-pluto
File name:08ff34daf0dbc1de8ec1b11ec1f1082a344fa82b1290180943db3941e7f090d6
Download: download sample
Signature MassLogger
Create hunting rule
File size:651'264 bytes
First seen:2025-04-08 08:31:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:u9U0WP3VNlMBEnDU+EfsvomibNmW3CqTOEaXU9f9BkqDkjBnnzq:uW0WiSn1Cs4NmWyqTOE2Up9+qgI
Threatray 34 similar samples on MalwareBazaar
TLSH T1B9D4F12DBF6EAE22C3DD1F77C013904841FAC55AE522F35A59D92CF80E62781C88BD56
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
dhash icon 16e8c8e8e8c8e812 (10 x SnakeKeylogger, 9 x Formbook, 6 x MassLogger)
Reporter adrian__luca
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
317
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
08ff34daf0dbc1de8ec1b11ec1f1082a344fa82b1290180943db3941e7f090d6
Verdict:
Malicious activity
Analysis date:
2025-04-08 13:09:38 UTC
Tags:
evasion snake keylogger stealer ims-api generic
Link:
https://app.any.run/tasks/dd6f7bd7-a4df-4b82-8ae5-b5934bd274ba

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=67f4e174e011fe619fad2445
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
DNS request
Connection attempt
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67f4df1d2d430c849e0c8061/reports/0b19a4de-1271-40c2-93f3-5457abe5043f/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/08ff34daf0dbc1de8ec1b11ec1f1082a344fa82b1290180943db3941e7f090d6
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/82272cb6-f55d-44e0-a75a-fc240e8c360c
Result
Threat name:
MSIL Logger, MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1659128
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1659128 Sample: ZyobOZ5e6Y.exe Startdate: 08/04/2025 Architecture: WINDOWS Score: 100 51 reallyfreegeoip.org 2->51 53 checkip.dyndns.org 2->53 55 checkip.dyndns.com 2->55 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Antivirus / Scanner detection for submitted sample 2->73 77 12 other signatures 2->77 8 ZyobOZ5e6Y.exe 7 2->8         started        12 WbDWWFS.exe 5 2->12         started        14 svchost.exe 2->14         started        signatures3 75 Tries to detect the country of the analysis system (by using the IP) 51->75 process4 dnsIp5 43 C:\Users\user\AppData\Roaming\WbDWWFS.exe, PE32 8->43 dropped 45 C:\Users\user\...\WbDWWFS.exe:Zone.Identifier, ASCII 8->45 dropped 47 C:\Users\user\AppData\Local\...\tmp8DA8.tmp, XML 8->47 dropped 49 C:\Users\user\AppData\...\ZyobOZ5e6Y.exe.log, ASCII 8->49 dropped 79 Uses schtasks.exe or at.exe to add and modify task schedules 8->79 81 Adds a directory exclusion to Windows Defender 8->81 83 Injects a PE file into a foreign processes 8->83 17 powershell.exe 23 8->17         started        20 powershell.exe 23 8->20         started        22 ZyobOZ5e6Y.exe 15 2 8->22         started        25 schtasks.exe 1 8->25         started        85 Antivirus detection for dropped file 12->85 87 Multi AV Scanner detection for dropped file 12->87 27 WbDWWFS.exe 12->27         started        29 schtasks.exe 12->29         started        31 WbDWWFS.exe 12->31         started        61 127.0.0.1 unknown unknown 14->61 file6 signatures7 process8 dnsIp9 63 Loading BitLocker PowerShell Module 17->63 33 conhost.exe 17->33         started        35 WmiPrvSE.exe 17->35         started        37 conhost.exe 20->37         started        57 checkip.dyndns.com 132.226.8.169, 49681, 49688, 80 UTMEMUS United States 22->57 59 reallyfreegeoip.org 104.21.112.1, 443, 49682, 49689 CLOUDFLARENETUS United States 22->59 39 conhost.exe 25->39         started        65 Tries to steal Mail credentials (via file / registry access) 27->65 67 Tries to harvest and steal browser information (history, passwords, etc) 27->67 41 conhost.exe 29->41         started        signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/08ff34daf0dbc1de8ec1b11ec1f1082a344fa82b1290180943db3941e7f090d6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/08ff34daf0dbc1de8ec1b11ec1f1082a344fa82b1290180943db3941e7f090d6/
Threat name:
Win32.Trojan.Jalapeno
Create hunting rule
Status:
Malicious
First seen:
2025-03-26 05:16:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bd7tjwxq3pa55dwbwepmd4iifi2e7kblckibqckd3m4udz7qsdla._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
novastealer
Create hunting rule
Similar samples:
1a98a78c6e63e52bd77d0a49c4738646e60c86e077174e523383509d2701f0e6
MassLogger
cf89ee5a964c6ba7ca2ac678c0727c0cde96b3a8a0268a103c1d529064dbc17e
MassLogger
e45ddc303aa4c0a7a0fd343d8620a299dbcf0ef799d98f92b3d2673f554a49fd
MassLogger
efa962fc10045f83da36ea363c43aba7a8d5ff3ec0e3aaa4c6480c2578b8c4fa
MassLogger
fd8e7b62caa0d61d214b44a53bebfb372c92b7153ef05b7a554604f1221a5beb
MassLogger
+ 24 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250408-kfky3s11g1/
Behaviour
Scheduled Task/Job: Scheduled Task
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
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/70748216-f1b6-4810-8eea-c1f37abf5eda
Unpacked files
SH256 hash:
08ff34daf0dbc1de8ec1b11ec1f1082a344fa82b1290180943db3941e7f090d6
MD5 hash:
7a9823bdc4a01e9a2403c945ee5d46fe
SHA1 hash:
21a7efb969dc1274aacdca907cd7b7ad2ce03d27
Link:
https://www.unpac.me/results/bcbc4f6b-18c8-4dc2-8ca5-c7ac86c3069e/
SH256 hash:
e51c036655740a2d67213eb509bfa0784a9c9bd407cfbbdbd30c98d8a7248a43
MD5 hash:
271c02c6ab02793551cbd181e8b8d408
SHA1 hash:
1d5453e7d39b0e8dd8f55ff958182439a8a3fbb4
Link:
https://www.unpac.me/results/bcbc4f6b-18c8-4dc2-8ca5-c7ac86c3069e/
SH256 hash:
9052c653967d2a7e37a08680a57a739e99f5ed7ba49b617d1455f1b5ea56bbc8
MD5 hash:
9e4e5aad385094e508b8d0a09085f116
SHA1 hash:
b406fa680a291c32b28779990f14a5d6b6145ea6
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/bcbc4f6b-18c8-4dc2-8ca5-c7ac86c3069e/
SH256 hash:
6cbba11f56d3cce85e254973673a830f16a227ef741ae157d644f356b8de8351
MD5 hash:
4e220dd19fda26a0da3d9488aab106d7
SHA1 hash:
d0d7364b24d2582ae6b3a60666d9663e4767a190
Detections:
win_404keylogger_g1
Create hunting rule
win_masslogger_w0
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Link:
https://www.unpac.me/results/bcbc4f6b-18c8-4dc2-8ca5-c7ac86c3069e/
Parent samples :
001a72194f343369305743fd94cbd8042f3b85299bbe26ba471c1d51ab03abae
fd8e7b62caa0d61d214b44a53bebfb372c92b7153ef05b7a554604f1221a5beb
08ff34daf0dbc1de8ec1b11ec1f1082a344fa82b1290180943db3941e7f090d6
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/08ff34daf0dbc1de8ec1b11ec1f1082a344fa82b1290180943db3941e7f090d6

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:crime_snake_keylogger
Create hunting rule
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
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:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Create hunting rule
Author:Elastic Security
Rule name:win_masslogger_w0
Create hunting rule
Author:govcert_ch

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 (HIGH_ENTROPY_VA)high

Comments