MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56b1116c68622f76788ce820dab9dd88752e8b2801d1b5d08a00131f2438fbbf. 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: 13


Intelligence 13 IOCs YARA 16 File information Comments
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SHA256 hash: 56b1116c68622f76788ce820dab9dd88752e8b2801d1b5d08a00131f2438fbbf
SHA3-384 hash: f92d7848472aca59d2792ad77e58679aacdac5dbb342dce2314175de6ed5411ff590aa47f08d7507036d7ed4ed02cf5f
SHA1 hash: 9c25a2af541edaf48a14195752969d3df4c1f872
MD5 hash: d18ac65f12410514e600a01f6c6e4eb5
humanhash: sixteen-artist-fourteen-thirteen
File name:rBOQandDrawings_pdf.scr
Download: download sample
Signature MassLogger
Create hunting rule
File size:591'360 bytes
First seen:2025-02-24 02:30:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'651 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:QMr8I8adYeXY/e1mGXvCD+APu0SVpnykdUAV5UmONZozg62Q8Ra1T0:QMrbDREtr20SVpnykdsm6ZosaLT0
TLSH T1BDC4E0847219B901C9A9D7B40671F6B457386EAE9400E317AFE97CEF3CB6F460E09643
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon ae2f032b0b030b8e (9 x MassLogger, 6 x Formbook, 5 x AgentTesla)
Reporter FXOLabs
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
45
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.10427.29951.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67bbd9efa0fd713c335c91f4
Tags:
underscore dropper micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Creating a window
Сreating synchronization primitives
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67bbd9ef3afc3763bec2fa22/reports/03056ba1-14a8-4ad5-bdd6-bc186a0827d1/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/56b1116c68622f76788ce820dab9dd88752e8b2801d1b5d08a00131f2438fbbf
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/144a4ca3-d2ca-4858-9277-6d556781c4f4
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/1622436
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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: Silenttrinity Stager Msbuild Activity
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 schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
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: 1622436 Sample: rBOQandDrawings_pdf.scr.exe Startdate: 24/02/2025 Architecture: WINDOWS Score: 100 48 reallyfreegeoip.org 2->48 50 api.telegram.org 2->50 52 4 other IPs or domains 2->52 54 Suricata IDS alerts for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 64 13 other signatures 2->64 8 rBOQandDrawings_pdf.scr.exe 7 2->8         started        12 LiChkTG.exe 5 2->12         started        signatures3 60 Tries to detect the country of the analysis system (by using the IP) 48->60 62 Uses the Telegram API (likely for C&C communication) 50->62 process4 file5 34 C:\Users\user\AppData\Roaming\LiChkTG.exe, PE32 8->34 dropped 36 C:\Users\user\...\LiChkTG.exe:Zone.Identifier, ASCII 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmpB4C1.tmp, XML 8->38 dropped 40 C:\Users\...\rBOQandDrawings_pdf.scr.exe.log, ASCII 8->40 dropped 66 Uses schtasks.exe or at.exe to add and modify task schedules 8->66 68 Writes to foreign memory regions 8->68 70 Allocates memory in foreign processes 8->70 72 Adds a directory exclusion to Windows Defender 8->72 14 powershell.exe 23 8->14         started        17 MSBuild.exe 15 2 8->17         started        20 schtasks.exe 1 8->20         started        74 Multi AV Scanner detection for dropped file 12->74 76 Injects a PE file into a foreign processes 12->76 22 MSBuild.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 78 Loading BitLocker PowerShell Module 14->78 26 WmiPrvSE.exe 14->26         started        28 conhost.exe 14->28         started        42 api.telegram.org 149.154.167.220, 443, 49713, 49714 TELEGRAMRU United Kingdom 17->42 44 checkip.dyndns.com 193.122.6.168, 49706, 49710, 80 ORACLE-BMC-31898US United States 17->44 46 reallyfreegeoip.org 104.21.80.1, 443, 49708, 49712 CLOUDFLARENETUS United States 17->46 30 conhost.exe 20->30         started        80 Tries to steal Mail credentials (via file / registry access) 22->80 82 Tries to harvest and steal browser information (history, passwords, etc) 22->82 32 conhost.exe 24->32         started        signatures9 process10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/56b1116c68622f76788ce820dab9dd88752e8b2801d1b5d08a00131f2438fbbf
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/56b1116c68622f76788ce820dab9dd88752e8b2801d1b5d08a00131f2438fbbf/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-02-24 02:31:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k2yrc3dimixxm6em5aqnvoo5rb2s5cziahi3luekaajr6jby7o7q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution
Link:
https://tria.ge/reports/250224-czrlzazmw8/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
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
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/d55ce600-2dab-43dc-80b5-6c356f1e3df6
Unpacked files
SH256 hash:
56b1116c68622f76788ce820dab9dd88752e8b2801d1b5d08a00131f2438fbbf
MD5 hash:
d18ac65f12410514e600a01f6c6e4eb5
SHA1 hash:
9c25a2af541edaf48a14195752969d3df4c1f872
Link:
https://www.unpac.me/results/b59ce331-518d-4db5-a1ec-f76067eb04fd/
SH256 hash:
e80a463e16b14b43e4112cb8f0cb0cf44ff245be592202042373a02b9ea4deb9
MD5 hash:
bbea1aafd0d7058f6f46c8ceff355f96
SHA1 hash:
14ca07073c0a943129823d6532358a55761a203f
Link:
https://www.unpac.me/results/b59ce331-518d-4db5-a1ec-f76067eb04fd/
SH256 hash:
56cde2d472edff959bc886c37c3d782350921a8f5d7039ac259c78bb423cffb4
MD5 hash:
aa7aff7ba296c17e60c205de9dc27ed0
SHA1 hash:
c22ffd3bac2462db871f3c43d3974ee0775a000c
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/b59ce331-518d-4db5-a1ec-f76067eb04fd/
SH256 hash:
962a390826222177f5c456080f101ab75bbcc612cb0acff644d9d9732e1cc265
MD5 hash:
586ba2b840a30482bcdd8279127b0d42
SHA1 hash:
ef8987e3b7602d80df7cc7e1f121f933ffa4b127
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/b59ce331-518d-4db5-a1ec-f76067eb04fd/
Parent samples :
56b1116c68622f76788ce820dab9dd88752e8b2801d1b5d08a00131f2438fbbf
37aae7771ad135f657de4ece056a45d2754cb2fb31f81f8fb179730a83d98282
54f015287731308328345efdc18a593d3b5a57efdd04278efb9da7f5127df37f
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/56b1116c6862/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/56b1116c68622f76788ce820dab9dd88752e8b2801d1b5d08a00131f2438fbbf

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 56b1116c68622f76788ce820dab9dd88752e8b2801d1b5d08a00131f2438fbbf

(this sample)

  
Delivery method
Distributed via e-mail attachment

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

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