MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88bcfd1333254e092b3333c59f75e65c4991696f9d745358796b1dca1bd26dc9. 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
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SHA256 hash: 88bcfd1333254e092b3333c59f75e65c4991696f9d745358796b1dca1bd26dc9
SHA3-384 hash: d3b0610f678460c6701c911f9be4d02ac9e4ec6b8e93ede85cf4b2b39a9401c3e359a239acd02a23ee45c827a0ebf8a6
SHA1 hash: ab7587e4e80100699d3a9a68aef934722599c7a2
MD5 hash: db32e370c3fb8a14c59b629997fa5230
humanhash: minnesota-sad-eighteen-oscar
File name:Payment reciept.pdf.exe
Download: download sample
Signature MassLogger
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File size:550'912 bytes
First seen:2025-04-21 13:37:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:m8f2ThrAWMgUDMuk9ZAt5UQxPFS9WoNMiCg9/xyjMAUXz:ffKhrnMgUlSZm5UQxPA9Kw9/ar
Threatray 999 similar samples on MalwareBazaar
TLSH T132C4F115229EDC12D5BE27B12860D2388776BD8AA931CB8A5FD97CDB363F7044C40BD6
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 MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
485
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/3245/
Detection(s):
SecuriteInfo.com.BackDoor.AgentTeslaNET.41.31204.15643.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68064ad12203b3e10cd23fdc
Tags:
underscore virus micro msil
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
entropy masquerade obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/68064a3e90767142c3dddce3/reports/280d6ab8-25d2-43ab-8699-ca08bc5eaef7/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/88bcfd1333254e092b3333c59f75e65c4991696f9d745358796b1dca1bd26dc9
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/be40cb53-80e8-4f70-b526-6371e5bc8ae7
Result
Threat name:
MSIL Logger, MassLogger RAT
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1670323
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Sigma detected: Suspicious Double Extension File Execution
Suricata IDS alerts for network traffic
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
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: 1670323 Sample: Payment reciept.pdf.exe Startdate: 21/04/2025 Architecture: WINDOWS Score: 100 47 reallyfreegeoip.org 2->47 49 api.telegram.org 2->49 51 2 other IPs or domains 2->51 67 Suricata IDS alerts for network traffic 2->67 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 77 16 other signatures 2->77 8 Payment reciept.pdf.exe 7 2->8         started        12 DdrJFBGzC.exe 5 2->12         started        14 svchost.exe 1 1 2->14         started        signatures3 73 Tries to detect the country of the analysis system (by using the IP) 47->73 75 Uses the Telegram API (likely for C&C communication) 49->75 process4 dnsIp5 39 C:\Users\user\AppData\Roaming\DdrJFBGzC.exe, PE32 8->39 dropped 41 C:\Users\...\DdrJFBGzC.exe:Zone.Identifier, ASCII 8->41 dropped 43 C:\Users\user\AppData\Local\...\tmpE0FF.tmp, XML 8->43 dropped 45 C:\Users\user\...\Payment reciept.pdf.exe.log, ASCII 8->45 dropped 79 Adds a directory exclusion to Windows Defender 8->79 81 Injects a PE file into a foreign processes 8->81 17 powershell.exe 23 8->17         started        20 Payment reciept.pdf.exe 15 2 8->20         started        23 schtasks.exe 1 8->23         started        25 Payment reciept.pdf.exe 8->25         started        83 Multi AV Scanner detection for dropped file 12->83 27 DdrJFBGzC.exe 12->27         started        29 schtasks.exe 12->29         started        59 127.0.0.1 unknown unknown 14->59 file6 signatures7 process8 dnsIp9 61 Loading BitLocker PowerShell Module 17->61 31 WmiPrvSE.exe 17->31         started        33 conhost.exe 17->33         started        53 checkip.dyndns.com 132.226.8.169, 49710, 49714, 80 UTMEMUS United States 20->53 55 api.telegram.org 149.154.167.220, 443, 49719, 49720 TELEGRAMRU United Kingdom 20->55 57 reallyfreegeoip.org 104.21.16.1, 443, 49711, 49715 CLOUDFLARENETUS United States 20->57 35 conhost.exe 23->35         started        63 Tries to steal Mail credentials (via file / registry access) 27->63 65 Tries to harvest and steal browser information (history, passwords, etc) 27->65 37 conhost.exe 29->37         started        signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/88bcfd1333254e092b3333c59f75e65c4991696f9d745358796b1dca1bd26dc9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/88bcfd1333254e092b3333c59f75e65c4991696f9d745358796b1dca1bd26dc9/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-04-16 14:22:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
22 of 24 (91.67%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rc6p2eztevhaskztgpcz65pglrezc2lptv2fgwdznmo4ug6snxeq._file
Verdict:
malicious
Label(s):
novastealer
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
03260ed0ef22a3464f72a8e830d5762a789169557137f598c27cdf6de13d2dda
MassLogger
c06298e32597bfdf3374174b8f458169df5d561280f5aa11fd25868c67a5de9f
MassLogger
e6fe2241c57847a4911e325b6d3692839f9033de0c99ddeabd47e8d62022bcd1
MassLogger
f5c52eda1d72c1acd49b76060beccf510b12e07adb78196222797629eee60ae0
MassLogger
+ 989 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250421-qxefhsyns6/
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
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
MassLogger
Masslogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot7684442269:AAHyBaT8H-mnfAzG6IqYUZpSCdBj06ve7Sg/sendMessage?chat_id=7310966836
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/5320de54-d2de-4587-b498-7621bd3f5f22
Unpacked files
SH256 hash:
88bcfd1333254e092b3333c59f75e65c4991696f9d745358796b1dca1bd26dc9
MD5 hash:
db32e370c3fb8a14c59b629997fa5230
SHA1 hash:
ab7587e4e80100699d3a9a68aef934722599c7a2
Link:
https://www.unpac.me/results/12d70c8b-5809-4c34-ae4d-7dc85210063c/
SH256 hash:
3514914916a06dd6a008ebd792a3dea812face2587ea3fd691aaa64702b9a412
MD5 hash:
af5931cb38340dadc00900dd3ca24fc5
SHA1 hash:
5c68189addd34fd5d3105dae42d6c6a336401b12
Link:
https://www.unpac.me/results/12d70c8b-5809-4c34-ae4d-7dc85210063c/
SH256 hash:
a022dfc2ba76a60c6a06d8d73c207c85ee29e1285412b3c698fa66de78fabc4d
MD5 hash:
21709e6d37e606ce7a39b378974c3eca
SHA1 hash:
b4d9f1bd02cede96d5b40c1bbea14a39e4bbad89
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/12d70c8b-5809-4c34-ae4d-7dc85210063c/
Parent samples :
5bc7279ce397c3817451a66277b6313a9bb5a741672988e030337278c35acddb
88bcfd1333254e092b3333c59f75e65c4991696f9d745358796b1dca1bd26dc9
0c0d773a601757285e5a3da3e8c45a6bcd4d66ac0363397954de172c8a2da704
SH256 hash:
584c8b8098e3f99a5d321df7f8c077837d8bb764f47e9547788014ce9e58814f
MD5 hash:
ee3bf5f304dfddea6d46f63479b3df92
SHA1 hash:
d6a8a7a43d236cefcdfae44cd5e7545f7eb5a206
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/12d70c8b-5809-4c34-ae4d-7dc85210063c/
Malware family:
PrivateLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/88bcfd133325/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/88bcfd1333254e092b3333c59f75e65c4991696f9d745358796b1dca1bd26dc9

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
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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.

Malspam

MassLogger

Executable exe 88bcfd1333254e092b3333c59f75e65c4991696f9d745358796b1dca1bd26dc9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/3245/

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

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