MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e1066410bbc74c71ba34b418969d751286c9a1890a1d913eddfc858391bb5b1b. 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: 17


Intelligence 17 IOCs YARA 16 File information Comments
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SHA256 hash: e1066410bbc74c71ba34b418969d751286c9a1890a1d913eddfc858391bb5b1b
SHA3-384 hash: 553f34839964d0074d7fc5cf8355a07c209b69a61de2966c2583e7be35b2a4e6d97d48d6ae519867b9df970955eb366f
SHA1 hash: 3dd34acc991804ef96a73f26c0c9759d04efe3de
MD5 hash: 0d4235edce16d148661fbd335df2f978
humanhash: spring-foxtrot-three-fourteen
File name:BLinvoice and shipment permit.pdf.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:549'888 bytes
First seen:2025-04-18 13:26:05 UTC
Last seen:2025-05-09 12:37:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:+qf2ThrRAprA5Wmsm82KMcLRxBpMu99q0xzilTvf5GUp3:FfKhrCpMum8PMc1HpR940kTvfJ
Threatray 628 similar samples on MalwareBazaar
TLSH T1CDC4E109329E8C02D1BE1BB11971D27883767E8BA835CB4A5FDA6CDB367B7041C50B97
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 :
3
# of downloads :
492
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BLinvoice and shipment permit.pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-04-18 13:31:27 UTC
Tags:
snake keylogger evasion stealer telegram netreactor ims-api generic
Link:
https://app.any.run/tasks/e33b6fc2-a17b-44a6-b707-ce26baf7cf9f

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/2868/
Detection(s):
SecuriteInfo.com.BackDoor.AgentTeslaNET.41.6932.19626.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=680255dd2203b3e10cd10a85
Tags:
underscore virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
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
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
entropy masquerade obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/680252f2931404048d804606/reports/80b795bb-6055-4bdf-bcae-8587e73b8607/overview
Verdict:
Malicious
Labled as:
Trojan.GenericS
Link:
https://www.hybrid-analysis.com/sample/e1066410bbc74c71ba34b418969d751286c9a1890a1d913eddfc858391bb5b1b
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3275c8aa-4f2e-4251-af84-1ab4c99e60c8
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/1668403
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: 1668403 Sample: BLinvoice and shipment perm... Startdate: 18/04/2025 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 BLinvoice and shipment permit.pdf.exe 7 2->8         started        12 IpUkcyNLYoKOPW.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\...\IpUkcyNLYoKOPW.exe, PE32 8->39 dropped 41 C:\...\IpUkcyNLYoKOPW.exe:Zone.Identifier, ASCII 8->41 dropped 43 C:\Users\user\AppData\Local\...\tmpD3F6.tmp, XML 8->43 dropped 45 BLinvoice and ship... permit.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 BLinvoice and shipment permit.pdf.exe 15 2 8->20         started        23 schtasks.exe 1 8->23         started        83 Multi AV Scanner detection for dropped file 12->83 25 IpUkcyNLYoKOPW.exe 12->25         started        27 schtasks.exe 12->27         started        29 IpUkcyNLYoKOPW.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 conhost.exe 17->31         started        33 WmiPrvSE.exe 17->33         started        53 api.telegram.org 149.154.167.220, 443, 49719, 49722 TELEGRAMRU United Kingdom 20->53 55 checkip.dyndns.com 193.122.130.0, 49712, 49717, 80 ORACLE-BMC-31898US United States 20->55 57 reallyfreegeoip.org 104.21.64.1, 443, 49713, 49718 CLOUDFLARENETUS United States 20->57 35 conhost.exe 23->35         started        63 Tries to steal Mail credentials (via file / registry access) 25->63 65 Tries to harvest and steal browser information (history, passwords, etc) 25->65 37 conhost.exe 27->37         started        signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e1066410bbc74c71ba34b418969d751286c9a1890a1d913eddfc858391bb5b1b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e1066410bbc74c71ba34b418969d751286c9a1890a1d913eddfc858391bb5b1b/
Threat name:
ByteCode-MSIL.Trojan.MassLogger
Create hunting rule
Status:
Malicious
First seen:
2025-04-16 08:52:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4edgief3y5ghdoruwqmjnhlvckdmtimjbiozcpw57scyhen3lmnq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
novastealer
Create hunting rule
Similar samples:
37da80758e0acd6993e9a2639927c5bcbf8388526fa93168a9b70f6619775df9
MassLogger
be838fc4e67ed12838f4d0ec554524d54e80a03a3949ced4edfb958edbcb24b8
MassLogger
c06298e32597bfdf3374174b8f458169df5d561280f5aa11fd25868c67a5de9f
MassLogger
e6fe2241c57847a4911e325b6d3692839f9033de0c99ddeabd47e8d62022bcd1
MassLogger
+ 618 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/250418-qpkybstydx/
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
MassLogger
Masslogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot7563203487:AAHhSgz1iFnK1H20SCy9LplVO72JVDjbi_Y/sendMessage?chat_id=6726002655
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/6f0e3bf2-a89b-478b-8048-1ed688a45ea8
Unpacked files
SH256 hash:
e1066410bbc74c71ba34b418969d751286c9a1890a1d913eddfc858391bb5b1b
MD5 hash:
0d4235edce16d148661fbd335df2f978
SHA1 hash:
3dd34acc991804ef96a73f26c0c9759d04efe3de
Link:
https://www.unpac.me/results/79de4fed-cf42-4375-aadd-cc9cf048e635/
SH256 hash:
2b17a907b15e26a7a2c51616f78c4605ec5989f7dca90e9cbe96a7156aeffb4f
MD5 hash:
98b8107fed6d812b0fdcb3b148ddc1db
SHA1 hash:
2c4b97e2399fb6e1bc03f59d706ed5468de34bbe
Link:
https://www.unpac.me/results/79de4fed-cf42-4375-aadd-cc9cf048e635/
SH256 hash:
93bf0ec063183becee081b2e2d3fdcbb543cadf4e703f13fddad65e47457d55c
MD5 hash:
c0b2ccb433ac2d97ff70327bcce559ef
SHA1 hash:
526a237a2ccc2460ada16978db85028265563206
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/79de4fed-cf42-4375-aadd-cc9cf048e635/
SH256 hash:
3a6a265dec9b2d90580ae1ac6d2378dd14fa085f67cc0167aacdfcc1af452c76
MD5 hash:
ff4879a30c4cd8b25e4f554302c2edea
SHA1 hash:
c54b171707f597fca666afab844caf11ee4b1a71
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/79de4fed-cf42-4375-aadd-cc9cf048e635/
Parent samples :
e1066410bbc74c71ba34b418969d751286c9a1890a1d913eddfc858391bb5b1b
6f4997b2a236ae5d05902e64165d6ab9a95b5055903956a24ee92e8eda908d87
ff4db439382a9ca82cd888269b1b53a31e8272fe9225e4cd2ed96d05a43b154c
Malware family:
PrivateLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e1066410bbc7/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/e1066410bbc74c71ba34b418969d751286c9a1890a1d913eddfc858391bb5b1b

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.

Malspam

MassLogger

Executable exe e1066410bbc74c71ba34b418969d751286c9a1890a1d913eddfc858391bb5b1b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/2868/

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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