MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42cd6c3cc45e612b61212bf371842e76252fd1230397ebf46cda8cf2fd68a9e2. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 42cd6c3cc45e612b61212bf371842e76252fd1230397ebf46cda8cf2fd68a9e2
SHA3-384 hash: 71a287d63935a1827b298c4591301bc1b372dd52bc53017a3610a71fc3c36d18f1f541debff0cf86b7bf0dcc9cf0507c
SHA1 hash: dbf80ced74be9b7bb6119a1759d7bfdeb9831058
MD5 hash: 0d6ca56cd43b8c2fc8bf43beaecd7415
humanhash: avocado-double-kitten-black
File name:42cd6c3cc45e612b61212bf371842e76252fd1230397ebf46cda8cf2fd68a9e2
Download: download sample
Signature MassLogger
Create hunting rule
File size:590'344 bytes
First seen:2025-04-08 08:31:31 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:e62iNczJ+Wnqn++0HFaDx7dI6QgnwSX+MwbcFVJu6ZHEvpQIkR:n1qzMicDjITgnw9AvtZC0
TLSH T18FC4F16C9758D603CA5267B50AB1F63427792DCEF410C3079FEDADEBB962B109D40293
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 adrian__luca
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
313
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
42cd6c3cc45e612b61212bf371842e76252fd1230397ebf46cda8cf2fd68a9e2
Verdict:
Malicious activity
Analysis date:
2025-04-08 13:14:07 UTC
Tags:
snake keylogger evasion stealer ims-api generic
Link:
https://app.any.run/tasks/30569f73-4e24-4f76-9608-d5b85f5f944d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f4e158e011fe619fad23d2
Tags:
agenttesla masslogger
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
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:
expired-cert infostealer invalid-signature obfuscated packed packed packer_detected signed vbnet
Link:
https://www.filescan.io/uploads/67f4df186258a97207fbfd1c/reports/8743a0c6-30b6-4775-b8b6-8635344d1465/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/42cd6c3cc45e612b61212bf371842e76252fd1230397ebf46cda8cf2fd68a9e2
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f466ce22-e556-4f78-9d0f-8c79b5566525
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/1659612
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
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: 1659612 Sample: V0i6SP6Amk.exe Startdate: 08/04/2025 Architecture: WINDOWS Score: 100 49 reallyfreegeoip.org 2->49 51 checkip.dyndns.org 2->51 53 checkip.dyndns.com 2->53 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Sigma detected: Scheduled temp file as task from temp location 2->73 77 10 other signatures 2->77 9 V0i6SP6Amk.exe 7 2->9         started        13 svchost.exe 2->13         started        signatures3 75 Tries to detect the country of the analysis system (by using the IP) 49->75 process4 dnsIp5 41 C:\Users\user\AppData\Roaming41nzLUig.exe, PE32 9->41 dropped 43 C:\Users\user\...43nzLUig.exe:Zone.Identifier, ASCII 9->43 dropped 45 C:\Users\user\AppData\Local\Temp\tmp4CE.tmp, XML 9->45 dropped 47 C:\Users\user\AppData\...\V0i6SP6Amk.exe.log, ASCII 9->47 dropped 79 Uses schtasks.exe or at.exe to add and modify task schedules 9->79 81 Adds a directory exclusion to Windows Defender 9->81 83 Injects a PE file into a foreign processes 9->83 16 NnzLUig.exe 5 9->16         started        19 powershell.exe 23 9->19         started        21 powershell.exe 23 9->21         started        23 2 other processes 9->23 59 127.0.0.1 unknown unknown 13->59 file6 signatures7 process8 dnsIp9 61 Multi AV Scanner detection for dropped file 16->61 63 Injects a PE file into a foreign processes 16->63 26 NnzLUig.exe 16->26         started        29 schtasks.exe 16->29         started        65 Loading BitLocker PowerShell Module 19->65 31 conhost.exe 19->31         started        33 WmiPrvSE.exe 19->33         started        35 conhost.exe 21->35         started        55 checkip.dyndns.com 158.101.44.242, 49686, 49688, 80 ORACLE-BMC-31898US United States 23->55 57 reallyfreegeoip.org 104.21.48.1, 443, 49687, 49689 CLOUDFLARENETUS United States 23->57 67 Tries to steal Mail credentials (via file / registry access) 23->67 37 conhost.exe 23->37         started        signatures10 process11 signatures12 85 Tries to steal Mail credentials (via file / registry access) 26->85 87 Tries to harvest and steal browser information (history, passwords, etc) 26->87 39 conhost.exe 29->39         started        process13
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/42cd6c3cc45e612b61212bf371842e76252fd1230397ebf46cda8cf2fd68a9e2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/42cd6c3cc45e612b61212bf371842e76252fd1230397ebf46cda8cf2fd68a9e2/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-03-26 15:27:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ilgwypgelzqswyjbfpzxdbbooyss7ujdaol6x5dm3kgpf7livhra._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250408-kfkcjssks9/
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/b603ab1b-828f-4d38-8d13-e5afa4cb041e
Unpacked files
SH256 hash:
42cd6c3cc45e612b61212bf371842e76252fd1230397ebf46cda8cf2fd68a9e2
MD5 hash:
0d6ca56cd43b8c2fc8bf43beaecd7415
SHA1 hash:
dbf80ced74be9b7bb6119a1759d7bfdeb9831058
Link:
https://www.unpac.me/results/7b74d2dc-bb3a-4d46-848f-8d217c5ae5aa/
SH256 hash:
565225a8561134b4966c139430b4d6945eedd45444d8435a48c6e7f41f7f7e30
MD5 hash:
3aebca61c665584c799acf55900cb26e
SHA1 hash:
3717a4f60d2822dfd8effda5490c93e7ccb38ebc
Link:
https://www.unpac.me/results/7b74d2dc-bb3a-4d46-848f-8d217c5ae5aa/
SH256 hash:
77a072f8d641a0eb051a6d2266052b63d8c9d30eda86b39e823544824f9c3c02
MD5 hash:
d51b19c43672ba39ce5bdbcd2b4bccdb
SHA1 hash:
63fa95e05e87d1bc4cc8b13176cce8d5fc482276
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/7b74d2dc-bb3a-4d46-848f-8d217c5ae5aa/
Parent samples :
425397d3fa010ac45d55deae6d844054bd0749c64b4b731ced34f1e5d4bfc514
3324d8b4800573fb4561832dad50f8041c0f8fe6da803c8c10a43e4155ffd8b7
4b3ed5cefa81dc79adf5fc75cbe448da1b89f9937e642fac40b4295714d2aad3
42cd6c3cc45e612b61212bf371842e76252fd1230397ebf46cda8cf2fd68a9e2
28014eac5aec5ce9c4a2f6e162021bb5ac6fe3fea7b1eeb7bb2093d97afc2a98
ef31c771e1f44656fdc9e84c3745d8bef369879697c144110edac6b814878ee3
9fb47b33659773bb9ac4b4c224f9dfda0152f8a062a4d73f2e22c6db694e3473
861b9d85f642873dd0f034f6f946e3791c4cf94c6687527320d26a2f217fa04c
15bfc047dc5728762fff3022cc31477614834a05dbf83f16a639e6db1034ab72
c7de64db20145557f5070412a4e15d4d2a00487974e8fce0f4bc3ee42999bd04
fec56617a813954d1022f62e9b2755711fac4b5cdc6e1caa445aca1f279bd324
ed9560d7b80ecab2224cf3bc6f60f11108e75f73df736939e3c3a1d4e2d38300
SH256 hash:
8cff10f3c6e4e40f72f26782cb4cf97c20926bc0a95f33734d30d869301c372a
MD5 hash:
df20bf2b62b6f140d4938f10f199a842
SHA1 hash:
af1534442c43bbcdbf9573d506291d04af86d84f
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/7b74d2dc-bb3a-4d46-848f-8d217c5ae5aa/
Malware family:
PrivateLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/42cd6c3cc45e/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/42cd6c3cc45e612b61212bf371842e76252fd1230397ebf46cda8cf2fd68a9e2

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
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)

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